Service manual

ManualsBrandsDaikin ManualsAir ConditionerFHYP35BV1

ESIE03-01

Service Manual

Sky Air R407C

L-series

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Summary of content (390 pages)

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ESIE03-01 SV p< p> Service Manual Sky Air R407C L-series
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ESIE03-01 SV p< p> Service Manual Sky Air R407C L-series
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ESIE03–01 Table of Contents 1 1 Introduction 1.1 1.2 About This Manual .................................................................................. Combination Overview: Outdoor Units of the Sky Air L-Series ............... 1–ix 1–x Part 1 System Outline 1 3 General Outline: Outdoor Units 1.1 1.2 1.3 1.4 1.5 2 What Is in This Chapter? ........................................................................ RP71L7V1, RP71L7W1, RYP71L7V1, RYP71L7W1..............................
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ESIE03–01 1 3 3 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 4 5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 What Is in This Chapter? ......................................................................... RP71L7, RP100L7 and RP125L7: Outdoor Unit ..................................... RYP71L7, RYP100L7 and RYP125L7: Outdoor Unit .............................. FHYBP, FHYCP, FUYP, FAYP, FDYP, FHYP, FHYKP and FDYMP ...... Piping Components ....................................................................
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ESIE03–01 7 Wiring Diagrams: Indoor Units 7.1 7.2 7.3 7.4 7.7 7.8 7.9 7.10 7.11 What Is in This Chapter? ........................................................................ FHYBP35B7V1, FHYBP45B7V1, FHYBP60B7V1 and FHYBP71B7V1. FHYBP100B7V1 and FHYBP125B7V1 .................................................. FHYCP35B7V1, FHYCP45B7V1, FHYCP60B7V1, FHYCP71B7V1, FHYCP100B7V1 and FHYCP125B7V1 ....................... FDYP125B7V1.............................................................................
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ESIE03–01 1 2 2.1 2.2 2.3 2.4 2.5 2.6 2.7 3 3 What Is in This Chapter? ......................................................................... Dry Keep Mode........................................................................................ Freeze-Up Function ................................................................................. Outdoor Fan Starting Control in Cooling or Dry Keep Mode.................... Normal Outdoor Fan Control in Cooling Operation..................................
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ESIE03–01 2 Error Codes: Indoor Units 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 3 3–25 3–26 3–27 3–29 3–31 3–32 3–34 3–36 Error Codes: Outdoor Units 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 4 What Is in This Chapter? ........................................................................ Malfunctioning Indoor PCB ..............................................................(A1) Malfunctioning Drain Water Level System .......................................
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ESIE03–01 1 5 Additional Checks for Troubleshooting 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 5.11 5.12 5.13 3 4 What Is in This Chapter? ......................................................................... Indoor Unit: Checking the Fan Motor Hall IC ........................................... Indoor Unit: Checking the Power Supply Wave Form.............................. Outdoor Unit: Checking the Refrigerant System......................................
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ESIE03–01 3 Test Run and Operation Data 3.1 3.2 3.3 General Operation Data .......................................................................... RP71L7V1, RP71L7W1, RP100L7V1, RP100L7W1 and RP125L7W1 .. RYP71L7V1, RYP71L7W1, RYP100L7V1, RYP100L7W1 and RYP125L7W1 .................................................................................. 4–34 4–36 1 4–37 Part 5 Disassembly and Maintenance 1 1.1 1.2 1.3 1.4 1.5 1.6 1.
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ESIE03–01 1 3 4 5 viii Table of Contents
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ESIE03–01 Introduction Part 0 1 Introduction 1.1 About This Manual Target group This service manual is intended for and should only be used by qualified engineers. Purpose of this manual This service manual contains all the information you need to do the necessary repair and maintenance tasks for the Sky Air L-series room air conditioners.
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Introduction Combination Overview: Outdoor Units of the Sky Air L-Series P “P” stands for pair combination. P “T” stands for twin, triple or double twin combination.
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ESIE03–01 1 4 Part 1 System Outline What is in this part? Part 1 – System Outline 3 This part contains the following chapters: Chapter See page 1–General Outline: Outdoor Units 1–3 2–General Outline: Indoor Units 1–13 3–Specifications 1–47 4–Functional Diagrams 1–63 5–Switch Box Layout 1–77 6–Wiring Diagrams: Outdoor Units 1–91 7–Wiring Diagrams: Indoor Units 1–99 8–PCB Layout 1–111 4 5 1–1
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ESIE03–01 11 3 5 1–2 Part 1 – System Outline
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ESIE03–01 General Outline: Outdoor Units Part 1 1 General Outline: Outdoor Units 1.1 What Is in This Chapter? Introduction General outline Part 1 – System Outline This chapter contains the following information on the outdoor units: P Outlook and dimensions P Installation and service space P Components. 1 3 This chapter contains the following general outlines: General outline See page 1.2–RP71L7V1, RP71L7W1, RYP71L7V1, RYP71L7W1 1–4 1.
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General Outline: Outdoor Units 11 1.2 ESIE03–01 RP71L7V1, RP71L7W1, RYP71L7V1, RYP71L7W1 Outlook and dimensions The illustration below shows the outlook and the dimensions of the unit (mm). Installation and service space See page 1–10.
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ESIE03–01 Components General Outline: Outdoor Units 1 The table below contains the different components of the unit. No.
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General Outline: Outdoor Units 11 1.3 ESIE03–01 RP100L7V1, RP100L7W1, RYP100L7V1, RYP100L7W1 Outlook and dimensions The illustration below shows the outlook and the dimensions of the unit (mm). Installation and service space See page 1–10.
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ESIE03–01 Components General Outline: Outdoor Units 1 The table below contains the different components of the unit. No.
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General Outline: Outdoor Units 11 1.4 ESIE03–01 RP125L7W1 and RYP125L7W1 Outlook and dimensions The illustration below shows the outlook and the dimensions of the unit (mm). Installation and service space See page 1–10. 3 4 5 .
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ESIE03–01 Components General Outline: Outdoor Units 1 The table below contains the different components of the unit. No.
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General Outline: Outdoor Units 11 1.5 ESIE03–01 RP71L7V1, RP71L7W1, RP100L7V1, RP100L7W1, RP125L7W1, RYP71L7V1, RYP71L7W1, RYP100L7V1, RYP100L7W1, RYP125L7W1: Installation and Service Space Non stacked The illustrations and table below show the required installation and service space (mm). The values in brackets are for the 100 and 125 class.
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ESIE03–01 Stacked General Outline: Outdoor Units The illustration below shows the required installation and service space (mm). The values in brackets are for the 100 and 125 class. P Do not stack more than one unit. P ± 100 mm is required for the drain pipe. P Seal A in order to prevent outlet air from bypassing.
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General Outline: Outdoor Units ESIE03–01 11 3 4 5 1–12 Part 1 – System Outline
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ESIE03–01 General Outline: Indoor Units Part 1 2 General Outline: Indoor Units 2.1 What Is in This Chapter? Introduction General outline Part 1 – System Outline This chapter contains the following information on the indoor units: P Outlook and dimensions P Installation and service space P Components. 1 3 This chapter contains the following general outlines: General outline See page 2.2–FHYCP35B7V1, FHYCP45B7V1, FHYCP60B7V1 and FHYCP71B7V1 1–14 2.3–FHYBP35B7V1 and FHYBP45B7V1 1–16 2.
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General Outline: Indoor Units 11 2.2 ESIE03–01 FHYCP35B7V1, FHYCP45B7V1, FHYCP60B7V1 and FHYCP71B7V1 Outlook and dimensions The illustration below shows the outlook and the dimensions of the unit (mm).
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ESIE03–01 The illustration below shows the required installation and service space. When a discharge grille is closed (e.g. 3-way blow application), the required space is 200 mm or more (mm). 15 15 00 or mo 0 r 0o mo 15 0 r 0o mo A Part 1 – System Outline 00 or mo re re 15 Components 1 re re 3 4 1000 or more Installation and service space General Outline: Indoor Units 5 The table below contains the different components of the unit. No.
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General Outline: Indoor Units FHYBP35B7V1 and FHYBP45B7V1 The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm). 60 25 595 1 8 3 10 130 67 135 2x65 = 150 215 245 300 3 315 Suspension bolt 195 65 C 800 50 9 3x150 = 450 A 57 45 B 46 2 485 350 or more 700 460 200 Outlook, dimensions and installation and service space 150 11 2.3 ESIE03–01 6 4 5 300 or more 4 View A View B 6x65 = View C 390 160 P.C.D.
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ESIE03–01 FHYBP60B7V1 and FHYBP71B7V1 The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm). 60 25 50 Suspension bolt 315 3 10 8 195 130 1 2x65 = 150 215 245 135 67 65 300 800 595 9 5x150 = 750 A 57 45 46 2 785 6 4 350 or more 1000 760 C 1 200 Outlook, dimensions and installation and service space 150 2.4 General Outline: Indoor Units B 3 5 500 or more View A View B View C 11x65 = 715 141.5 107 115.
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General Outline: Indoor Units FHYBP100B7V1 and FHYBP125B7V1 The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm). 60 25 595 Suspension bolt 3 8 3 195 130 10 9 7x150 = 1050 57 45 A 46 2 1185 6 4 5 B 500 or more View A View B 16x65 = View C 1040 160 P.C.D.
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ESIE03–01 2.6 General Outline: Indoor Units FHYCP100B7V1 and FHYCP125B7V1 Outlook and dimensions 1 The illustration below shows the outlook and the dimensions of the unit (mm). B 860~890 Ceiling opening 680 Suspension position 420 300 or less 780 Suspension position 860~890 Ceiling opening 10 420 12 x M4 3 D 4 C 3 12 x M4 55 298 150 150 125 194.
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General Outline: Indoor Units 11 Installation and service space ESIE03–01 The illustration below shows the installation and service space (mm). When a discharge grille is closed (e.g. 3-way blow application), the required space is 200 mm or more. 15 0 r 0o mo re 15 15 00 or mo 00 or mo re re 3 15 o 00 rm ore 5 A Components 1–20 1000 or more 4 The table below contains the different components of the unit. No.
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ESIE03–01 2.7 General Outline: Indoor Units FDYP125B7V1 Outlook, dimensions and installation and service space 1 The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm). 82 96 131 662 331 220 174 30 4 20 350 55 A 3 ≥ 350 5 2 3 1 39 1150 189 ≥ 300 ≥ 300 4 1400 202 26.5 View A ≥ 300 694 5 353 Service space Components Part 1 – System Outline The table below contains the different components of the unit. No.
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General Outline: Indoor Units 11 2.8 ESIE03–01 FHYP35BV1 and FHYP45BV1 The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm).
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ESIE03–01 Components Part 1 – System Outline General Outline: Indoor Units 1 The table below contains the different components of the unit. No.
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General Outline: Indoor Units 11 2.9 ESIE03–01 FHYP60BV1 and FHYP71BV1 The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm).
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ESIE03–01 Components Part 1 – System Outline General Outline: Indoor Units 1 The table below contains the different components of the unit. No.
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General Outline: Indoor Units 11 2.10 ESIE03–01 FHYP100BV1 The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm).
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ESIE03–01 Components Part 1 – System Outline General Outline: Indoor Units 1 The table below contains the different components of the unit. No.
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General Outline: Indoor Units 11 2.11 ESIE03–01 FHYP125BV1 The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm).
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ESIE03–01 Components Part 1 – System Outline General Outline: Indoor Units 1 The table below contains the different components of the unit. No.
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General Outline: Indoor Units 11 2.12 ESIE03–01 FUYP71BV17 The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm).
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ESIE03–01 Components General Outline: Indoor Units 1 The table below contains the different components of the unit. No. Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Air outlet 5 Air suction grille 6 Corner decoration panel 7 Right pipe / wiring connection 8 Rear pipe / wiring connection 9 Pipe through cover 10 Accessory drain elbow — Name plate: In case of a wireless remote controller, this position is a signal receiver.
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General Outline: Indoor Units 11 2.13 ESIE03–01 FUYP100BV17 and FUYP125BV17 The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm).
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ESIE03–01 Components General Outline: Indoor Units 1 The table below contains the different components of the unit. No. Component 1 Liquid pipe connection 2 Gas pipe connection 3 Drain pipe connection 4 Air outlet 5 Air suction grille 6 Corner decoration panel 7 Right pipe / wiring connection 8 Rear pipe / wiring connection 9 Pipe through cover 10 Accessory drain elbow — Name plate: In case of a wireless remote controller, this position is a signal receiver.
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General Outline: Indoor Units 11 2.14 ESIE03–01 FAYP71LV1 Outlook and dimensions The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm).
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ESIE03–01 Components General Outline: Indoor Units The table below contains the different components of the unitThe table below contains the different components of the unit. No.
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General Outline: Indoor Units 11 2.15 ESIE03–01 FAYP100BV1 Outlook and dimensions The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm).
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ESIE03–01 Components General Outline: Indoor Units 1 The table below contains the different components of the unit. No. Component 1 Front grille 2 Air filter 3 Discharge outlet 4 Gas pipe connection 5 Liquid pipe connection 6 Drain pipe connection (O.D. 26 mm) 7 Grounding terminal M4 (inside the cover) 8 Slit hole for right piping connection 9 Slit hole for left piping connection — Name plate: In case of a wireless remote controller, this position is a signal receiver.
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General Outline: Indoor Units FHYKP35BV17 and FHYKP45BV17 r 0o 20 re mo or 00 15 r e mo Required space 4 200 or more 200 or m 3 Hole The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm). ore Outlook and dimensions Fresh air intake position 11 2.
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ESIE03–01 Components General Outline: Indoor Units 1 The table below contains the different components of the unit. No.
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General Outline: Indoor Units FHYKP60BV17 and FHYKP71BV17 Suspension bolt Hole Suspension position Ceiling opening Front discharge dust connection postion 5 or 00 15 re r mo 0o 20 re mo Required space 4 200 or more 200 or more 3 Hole The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm). Fresh air intake position Outlook and dimensions 1000 or more 11 2.
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ESIE03–01 Components General Outline: Indoor Units 1 The table below contains the different components of the unit. No.
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General Outline: Indoor Units 11 2.18 ESIE03–01 FDYMP71~100L7V1 Outlook and dimensions The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm).
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ESIE03–01 Components General Outline: Indoor Units 1 The table below contains the different components of the unit. No. Component 1 Liquid pipe connection 2 Gas pipe connection 3 Remote controller wiring connection 4 Power supply connection 5 Drain pipe connection (O.D.
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General Outline: Indoor Units 11 2.19 ESIE03–01 FDYMP125L7V1 Outlook and dimensions The illustration below shows the outlook, the dimensions and the installation and service space of the unit (mm).
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ESIE03–01 Components General Outline: Indoor Units 1 The table below contains the different components of the unit. No. Component 1 Liquid pipe connection 2 Gas pipe connection 3 Remote controller wiring connection 4 Power supply connection 5 Drain pipe connection (O.D.
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General Outline: Indoor Units ESIE03–01 11 3 4 5 1–46 Part 1 – System Outline
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ESIE03–01 Specifications Part 1 3 Specifications 3.1 What Is in This Chapter? Introduction This chapter contains the following information: P Technical specifications P Electrical specifications. Options For possible options, refer to OHE03-2 or the installation manual. Outdoor units This chapter contains the following specifications: Indoor units Part 1 – System Outline 1 3 4 Specifications See page 3.2–RP71 1–48 3.3–RP100 and RP125 1–50 3.
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Specifications 11 3.2 ESIE03–01 RP71 Technical specifications The table below contains the technical specifications. Specification Model x No. Compressor 3 5 RP71L7W1 JT90FA-YE x 1 Type Hermetically sealed scroll type Refrigerant oil type DAPHNE FVC68D Speed rpm Oil charge 1200 cc Length 859 mm Rows x stages x fin pitch 2 x 34 x 2.0 mm No of passes 6 Outdoor Face area 0.634 m² Heat exchanger Tube type HI-XSS Cooling tube Fin type Non sym.
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ESIE03–01 Electrical Data Specifications 1 The table below contains the electrical specifications. Unit combination Power supply Indoor unit Outdoor unit Hz-Volts FHYCP71 RP71L7V1 FUYP71 RP71L7V1 Compressor MCA TOCA MFA 50-230 15.1 23.2 50-230 15.0 23.2 FHYP71 RP71L7V1 50-230 FHYKP71 RP71L7V1 50-230 FAYP71 RP71L7V1 Voltage range LRA RLA 32 72 32 72 OFM IFM kW FLA kW 11.1 0.065 0.6 0.045 FLA 0.6 11.0 0.065 0.6 0.045 0.6 0.6 15.0 23.2 32 72 11.0 0.
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Specifications 11 3.3 ESIE03–01 RP100 and RP125 Technical specifications The table below contains the technical specifications. Specification RP100L7V1 Rp100L7W1 Rp125L7W1 Model x No. JT125FA-V1N x1 JT125FA-YE x 1 JT160FA-YE x 1 Type Hermetically sealed scroll type Crankcase heater — Refrigerant oil type DAPHNE FVC68D Speed rpm Oil charge 1500 cc Length 859 mm Compressor 3 4 Rows x stages x fin pitch 2 X 52 X 2.0 mm No of passes 10 Outdoor Face area 0.
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ESIE03–01 Electrical Data Specifications 1 The table below contains the electrical specifications. Unit combination Power supply Indoor unit Outdoor unit Hz-Volts FHYCP100 RP100L7V1 FUYP100 Voltage range Compressor MCA TOCA MFA 50-230 22.7 34.8 RP100L7V1 50-230 22.4 FHYP100 RP100L7V1 50-230 FAYP100 RP100L7V1 50-230 Max.50Hz-264V Min.50Hz-198V LRA RLA 40 97 34.8 40 22.5 34.5 21.7 34.2 OFM IFM kW FLA kW FLA 16.7 0.090 0.8 0.090 1.0 97 16.5 0.090 0.8 0.
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Specifications 11 3.4 ESIE03–01 RYP71, RYP100 and RYP125 Technical The table below contains the technical specifications. specifications Specification Compressor 3 RYP71L7W1 RYP100L7V1 RYP100L7W1 RYP125L7W1 JT90FA-V1N x 1 JT90FA-YE x 1 JT125FA-V1N x 1 JT125FA-YE x 1 JT160FA-YE x 1 Type Hermetically sealed scroll type Crankcase heater — Refrigerant oil type DAPHNE FVC68D No.
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ESIE03–01 Electrical Data Specifications Unit combination Power supply Indoor unit Outdoor unit Hz-Volts FHYCP71 RYP71L7V1 FUYP71 RYP71L7V1 TOCA MFA 50-230 15.1 23.2 50-230 14.7 23.2 FHYP71 RYP71L7V1 50-230 FHYKP71 RYP71L7V1 50-230 FAYP71 RYP71L7V1 Voltage range Compressor MCA LRA RLA 32 72 32 72 OFM IFM kW FLA kW 11.1 0.065 0.6 0.045 FLA 0.6 10.8 0.065 0.6 0.045 0.6 0.6 15.6 23.2 32 72 11.5 0.065 0.6 0.062 14.4 23.1 32 72 10.6 0.065 0.6 0.
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Specifications 11 ESIE03–01 Unit combination Power supply Voltage range Compressor OFM IFM Indoor unit Outdoor unit Hz-Volts MCA TOCA MFA LRA RLA kW FLA kW FLA FHYCP125 RY(E)P125L7W1 50-400/230 12.2 15.3 20 59 7.9 0.065+ 0.085 0.6+ 07 0.09 1.0 FUYP125 RY(E)P125L7W1 50-400/230 11.4 15.3 20 59 7.3 0.065+ 0.085 0.6+ 0.7 0.09 1.0 FHYP125 RY(E)P125L7W1 50-400/230 12.1 15.0 20 59 8.1 0.065+ 0.085 0.6+ 0.7 0.13 0.7 FHYBP125 RY(E)P125L7W1 50-400/230 12.
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ESIE03–01 3.5 Specifications FHYCP 1 Technical specifications The table below contains the technical specifications. Specification Heat exchanger Fan FHYCP35B7V1 Rows x stages x fin pitch FHYCP71B7V1 FHYCP100B7V1 Face area 0.331 m² 0.
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Specifications 11 3.6 ESIE03–01 FHYBP Technical specifications The table below contains the technical specifications. Specification Heat exchanger 3 Fan FHYBP35B7V1 Length Rows x stages x fin pitch 3 x 14 x 1.75 mm No. of passes 4 Face area 0.132 m² Tube type Hi-XA Fin type Fin Rhombus type Empty tube hole 4 No. of fans 1 Nominal air flow (cooling) H: 11.
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ESIE03–01 3.7 Specifications FDYP Technical specifications 1 The table below contains the technical specifications. Specification Heat exchanger Fan Refrigerant circuit FDYP125B7V1 Rows x stages x fin pitch 0.338 m² Tube type Hi-XA Fin type MLH7 fin hydrophilia Nominal air flow (cooling) 43 m³/min Fan motor model DPA216-178NB Fan speed 3 steps Drive Direct drive Static external pressure (50/60 Hz) 0-150 Pa Type R407C Filter class Eurovent 4/5 (EU2), EN 779 5G2) Max.
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Specifications 11 3.8 ESIE03–01 FHYP Technical specifications The table below contains the technical specifications. Specification Heat exchanger 3 4 Fan FHYP35BV1 Length 2 x 12 x 1.75 mm No. of passes 6 Face area 0.182 m² Tube type N-hiX tubes Fin type Cross fin coil (multi louvre fins) Fan motor 1–58 3 x 12 x 1.75 mm 11 0.233 m² 0.293 m² 0.
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ESIE03–01 3.9 Specifications FUYP Technical specifications 1 The table below contains the technical specifications. Specification Heat exchanger Fan FUYP71BV17 Length Rows x stages x fin pitch 3 x 6 x 1.8 mm No. of passes 8 Face area 0.265 m² Tube type N-hiX tubes 3 x 8 x 1.8 mm 12 0.
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Specifications 11 3.10 ESIE03–01 FAYP and FHYKP Technical specifications The table below contains the technical specifications. Specification Heat exchanger 3 Fan Length 5 Electrical specifications Fan motor 1–60 FHYKP60BV1 2 x 12 x 1.4 mm 2 x 11 x 1.75 mm 5 9 Face area 0.289 m² 0.332 m² 0.186 m² 0.
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ESIE03–01 3.11 Specifications FDYMP Technical specifications 1 The table below contains the technical specifications. Specification Heat exchanger Fan FDYMP71L7V1 Rows x stages x fin pitch 3 x 14 x 1.75 mm No. of passes 7 13 Face area 0.226 m² 0.344 m² Tube type HI-XA Ø7 Fin type Fin Rhombus type Empty tube hole 0 No.
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Specifications ESIE03–01 11 3 4 5 1–62 Part 1 – System Outline
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ESIE03–01 Functional Diagrams Part 1 4 Functional Diagrams 4.1 What Is in This Chapter? Introduction Functional diagrams Part 1 – System Outline This chapter contains the following information: P Functional diagrams P Pipe connection diameters. 1 3 This chapter contains the following functional diagrams: Functional diagram See page 4.2–RP71L7, RP100L7 and RP125L7: Outdoor Unit 1–64 4.3–RYP71L7, RYP100L7 and RYP125L7: Outdoor Unit 1–68 4.
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Functional Diagrams 11 4.2 ESIE03–01 RP71L7, RP100L7 and RP125L7: Outdoor Unit Functional diagram The illustration below shows the functional diagram of the refrigeration circuit. 18 8 7 6 10 3 R2T 4 8 2b 11 R1T 5 4 3 Components For a description of the components, see ’Piping Components’ on page 1–75. Pipe connection diameters The table below contains the refrigerant pipe connection diameters.
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ESIE03–01 Functional diagram: Pair Functional Diagrams 1 The illustration below shows the functional diagram of the refrigeration circuit. Outdoor unit: RP71L7V1, RP71L7W1, RP100L7V1, RP100L7W1 RP125L7W1 7 R2T Liquid 8 3 Gas Components For a description of the components, see ’Piping Components’ on page 1–75. Pipe connection diameters The table below contains the refrigerant pipe connection diameters (O.D.). Model ∅ Gas pipe (flare) ∅ Liquid pipe (flare) RP71L7V1 15.9 mm 9.
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Functional Diagrams 11 Functional diagram: Twin ESIE03–01 The illustration below shows the functional diagram of the refrigeration circuit. 7 R2T 14 Liquid Gas Outdoor unit: RP71L7V1, RP71L7W1, RP100L7V1, RP100L7W1 or RP125L7W1 3 7 Liquid R2T Gas 4 14 Liquid Gas 5 Components For a description of the components, see ’Piping Components’ on page 1–75. Pipe connection diameters The table below contains the refrigerant pipe connection diameters (O.D.).
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ESIE03–01 Functional diagram: Triple Functional Diagrams 1 The illustration below shows the functional diagram of the refrigeration circuit. 7 R2T 14 Liquid Gas 7 Outdoor unit: RP100L7V1, RP100L7W1 or RP125L7W1 3 R2T Liquid 14 Liquid 4 Gas Gas 7 R2T 5 14 Liquid Gas Components For a description of the components, see ’Piping Components’ on page 1–75. Pipe connection diameters The table below contains the refrigerant pipe connection diameters (O.D.).
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Functional Diagrams 11 4.3 ESIE03–01 RYP71L7, RYP100L7 and RYP125L7: Outdoor Unit Functional diagram The illustration below shows the functional diagram of the refrigeration circuit. 8 6 18 15a 15a 7 8 15a 15a 3 21 10 4 16 8 13 12 5 Gas Liquid piping piping 2b 11 3 4 Components For a description of the components, see ’Piping Components’ on page 1–75. Pipe connection diameters The table below contains the refrigerant pipe connection diameters.
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ESIE03–01 Functional diagram: Pair Functional Diagrams 1 The illustration below shows the functional diagram of the refrigeration circuit. 7 Outdoor unit: RYP71L7V1, RYP71L7W1, RYP100L7V1, RYP100L7W1 or RYP125L7W1 Liquid 8 Gas 3 Components For a description of the components, see ’Piping Components’ on page 1–75. Pipe connection diameters The table below contains the refrigerant pipe connection diameters (O.D.). Model ∅ Gas pipe (flare) ∅ Liquid pipe (flare) RYP71L7V1 15.9 mm 9.
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Functional Diagrams 11 Functional diagram: Twin ESIE03–01 The illustration below shows the functional diagram of the refrigeration circuit. 7 14 Liquid Outdoor unit: RYP71L7V1, RYP71L7W1, RYP100L7V1, RYP100L7W1 or RYP125L7W1 3 4 Gas 7 Liquid Gas 14 Liquid Gas 5 Components For a description of the components, see ’Piping Components’ on page 1–75. Pipe connection diameters The table below contains the refrigerant pipe connection diameters (O.D.).
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ESIE03–01 Functional diagram: Triple Functional Diagrams 1 The illustration below shows the functional diagram of the refrigeration circuit. 7 14 Liquid Gas 7 Outdoor unit: RYP100L7V1, RYP100L7W1 or RYP125L7W1 3 Liquid 14 Liquid 4 Gas Gas 7 5 14 Liquid Gas Components For a description of the components, see ’Piping Components’ on page 1–75. Pipe connection diameters The table below contains the refrigerant pipe connection diameters (O.D.).
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Functional Diagrams 11 4.4 ESIE03–01 FHYBP, FHYCP, FUYP, FAYP, FDYP, FHYP, FHYKP and FDYMP Functional diagram The illustration below shows the functional diagram of the refrigeration circuit. 7 3 Cooling 1a 8 Heating 1a 4 5 Components For a description of the components, see ’Piping Components’ on page 1–75. Pipe connection diameters The table below contains the refrigerant pipe connection diameters. Model ∅ Gas pipe (flare) ∅ Liquid pipe (flare) FHYBP35B7V1 12.70 mm 6.
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ESIE03–01 Functional Diagrams Model ∅ Gas pipe (flare) ∅ Liquid pipe (flare) FHYP35BV1 12.70 mm 6.35 mm 15.90 mm 9.52 mm 1 FHYP45BV1 FHYP60BV1 FHYP71BV1 FHYP100BV1 19.05 mm FHYP125BV1 FHYKP35BV1 12.70 mm 6.35 mm 15.90 mm 9.52 mm FDYMP71L7V1 12.0~12.4 mm 18.6~19.0 mm FDYMP100L7V1 12.0~12.4 mm 22.9~23.
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Functional Diagrams ESIE03–01 11 3 4 5 1–74 Part 1 – System Outline
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ESIE03–01 4.5 Components The table below contains the different components of the functional diagrams. No. Component Function / remark 1a Flare connection See pipe connection diameter. 1b Flange connection 2a Liquid stop valve 2b Liquid stop valve with service port 3 Gas stop valve with service port The gas stop valve is used as shut-off valve in case of a pump-down. 4 Compressor The compressor can restart after 3 min from last stop.
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ESIE03–01 1–76 Part 1 – System Outline
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ESIE03–01 Switch Box Layout Part 1 5 Switch Box Layout 5.1 What Is in This Chapter? Introduction This chapter shows the switch box components. Outdoor units This chapter contains the following switch box layouts: Indoor units Part 1 – System Outline 1 3 Switch box layout See page 5.2–R(Y)P71-100L7V1 1–78 5.3–R(Y)P71~100L7W1 1–79 5.4–R(Y)P125L7W1 1–80 4 This chapter contains the following switch box layouts: Switch box layout See page 5.
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Switch Box Layout 11 5.2 ESIE03–01 R(Y)P71-100L7V1 Switch box The illustration below shows the switch box layout. - - - - - 3 4 5 - Components 1–78 - - The table below contains the components of the switch box.
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ESIE03–01 5.3 Switch Box Layout R(Y)P71~100L7W1 Switch box 1 The illustration below shows the switch box layout. X1M PCB1 PCB2 3 4 5 F1C Components Part 1 – System Outline K1M C1R T1R The table below contains the components of the switch box.
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Switch Box Layout 11 5.4 ESIE03–01 R(Y)P125L7W1 Switch box The illustration below shows the switch box layout. X1M PCB2 PCB1 3 4 5 F1C Components 1–80 K1M C2R C1R T1R The table below contains the components of the switch box.
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ESIE03–01 5.5 Switch Box Layout FHYCP35B7V1, FHYCP45B7V1, FHYCP60B7V1, FHYCP71B7V1, FHYCP100B7V1 and FHYCP125B7V1 Switch box 1 The illustration below shows the switch box layout. T1R PCB1 C1R 3 4 X1M Components Part 1 – System Outline X2M 5 The table below contains the components of the switch box.
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Switch Box Layout 11 5.6 ESIE03–01 FHYBP35B7V1, FHYBP45B7V1, FHYBP60B7V1, FHYBP71B7V1, FHYBP100B7V1 and FHYBP125B7V1 Switch box The illustration below shows the switch box layout. C1R PCB1 3 4 5 T1R Components 1–82 X1M X2M The table below contains the components of the switch box.
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ESIE03–01 5.7 Switch Box Layout FDYP125B7V1 Switch box 1 The illustration below shows the switch box layout. PCB1 PCB2 K1F 3 4 5 T1R Components Part 1 – System Outline X1M The table below contains the components of the switch box.
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Switch Box Layout 11 5.8 ESIE03–01 FHYP35BV1, FHYP45BV1, FHYP60BV1, FHYP71BV1, FHYP100BV1 and FHYP125BV1 Switch box The illustration below shows the switch box layout. PCB1 C1R T1R 3 4 R1T Components 5 1–84 X1M X2M The table below contains the components of the switch box.
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ESIE03–01 5.9 Switch Box Layout FUYP71BV17, FUYP100BV17 and FUYP125BV17 Switch box 1 The illustration below shows the switch box layout. PCB1 3 4 5 X2M Components Part 1 – System Outline X1M C1R PCB2 The table below contains the components of the switch box.
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Switch Box Layout 11 5.10 ESIE03–01 FAYP100BV1 Switch box The illustration below shows the switch box layout. PCB2 PCB1 C1R X1M 3 4 X2M 5 Components 1–86 The table below contains the components of the switch box.
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ESIE03–01 5.11 Switch Box Layout FAYP71LV1 Switch box 1 The illustration below shows the switch box layout. 3 4 5 Components The table below contains the components of the switch box.
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Switch Box Layout 11 5.12 ESIE03–01 FHYKP35BV1, FHYKP45BV1, FHYKP60BV1 and FHYKP71BV1 Switch box The illustration below shows the switch box layout. X2M C1R PCB1 X1M 3 PCB2 4 Components 5 1–88 The table below contains the components of the switch box.
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ESIE03–01 5.13 Switch Box Layout FDYMP71~125L7V1 Switch box 1 The illustration below shows the switch box layout. 3 4 5 Components The table below contains the components of the switch box.
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Switch Box Layout ESIE03–01 11 3 4 5 1–90 Part 1 – System Outline
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ESIE03–01 Wiring Diagrams: Outdoor Units Part 1 6 Wiring Diagrams: Outdoor Units 6.1 What Is in This Chapter? Introduction This chapter contains the wiring diagrams of the outdoor units. Wiring diagrams This chapter contains the following wiring diagrams: Part 1 – System Outline 1 3 Wiring diagram See page 6.2–RP71-100L7V1 1–92 6.3–RP71-100L7W1 1–93 6.4–RP125L7W1 1–94 6.5–RYP71-100L7V1 1–95 6.6–RYP71-100L7W1 1–96 6.
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Wiring Diagrams: Outdoor Units 11 6.2 ESIE03–01 RP71-100L7V1 Wiring diagram The illustration below shows the wiring diagram of the unit.
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ESIE03–01 6.3 Wiring Diagrams: Outdoor Units RP71-100L7W1 Wiring diagram 1 The illustration below shows the wiring diagram of the unit.
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Wiring Diagrams: Outdoor Units 11 6.4 ESIE03–01 RP125L7W1 Wiring diagram The illustration below shows the wiring diagram of the unit.
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ESIE03–01 6.5 Wiring Diagrams: Outdoor Units RYP71-100L7V1 Wiring diagram 1 The illustration below shows the wiring diagram of the unit.
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Wiring Diagrams: Outdoor Units 11 6.6 ESIE03–01 RYP71-100L7W1 Wiring diagram The illustration below shows the wiring diagram of the unit.
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ESIE03–01 6.7 Wiring Diagrams: Outdoor Units RYP125L7W1 Wiring diagram 1 The illustration below shows the wiring diagram of the unit.
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Wiring Diagrams: Outdoor Units ESIE03–01 11 3 4 5 1–98 Part 1 – System Outline
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ESIE03–01 Wiring Diagrams: Indoor Units Part 1 7 Wiring Diagrams: Indoor Units 7.1 What Is in This Chapter? Introduction This chapter contains the wiring diagrams of the indoor units. Wiring diagrams This chapter contains the following wiring diagrams: Part 1 – System Outline 1 3 Wiring diagram See page 7.2–FHYBP35B7V1, FHYBP45B7V1, FHYBP60B7V1 and FHYBP71B7V1 1–100 7.3–FHYBP100B7V1 and FHYBP125B7V1 1–101 7.
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Wiring Diagrams: Indoor Units 11 7.2 ESIE03–01 FHYBP35B7V1, FHYBP45B7V1, FHYBP60B7V1 and FHYBP71B7V1 Wiring diagram The illustration below shows the wiring diagram of the unit.
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ESIE03–01 7.3 Wiring Diagrams: Indoor Units FHYBP100B7V1 and FHYBP125B7V1 Wiring diagram 1 The illustration below shows the wiring diagram of the unit.
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Wiring Diagrams: Indoor Units 11 7.4 ESIE03–01 FHYCP35B7V1, FHYCP45B7V1, FHYCP60B7V1, FHYCP71B7V1, FHYCP100B7V1 and FHYCP125B7V1 Wiring diagram The illustration below shows the wiring diagram of the unit.
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ESIE03–01 7.5 Wiring Diagrams: Indoor Units FDYP125B7V1 Wiring diagram 1 The illustration below shows the wiring diagram of the unit.
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Wiring Diagrams: Indoor Units 11 7.6 ESIE03–01 FHYP35BV1, FHYP45BV1, FHYP60BV1, FHYP71BV1, FHYP100BV1 and FHYP125BV1 Wiring diagram The illustration below shows the wiring diagram of the unit.
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ESIE03–01 7.7 Wiring Diagrams: Indoor Units FUYP71BV17, FUYP100BV17 and FUYP125BV17 Wiring diagram 1 The illustration below shows the wiring diagram of the unit.
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Wiring Diagrams: Indoor Units 11 7.8 ESIE03–01 FAYP100BV1 Wiring diagram The illustration below shows the wiring diagram of the unit.
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ESIE03–01 7.9 Wiring Diagrams: Indoor Units FAYP71LV1 Wiring diagram 1 The illustration below shows the wiring diagram of the unit.
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Wiring Diagrams: Indoor Units 11 7.10 ESIE03–01 FHYKP35BV1, FHYKP45BV1, FHYKP60BV1 and FHYKP71BV1 Wiring diagram The illustration below shows the wiring diagram of the unit.
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ESIE03–01 7.11 Wiring Diagrams: Indoor Units FDYMP71~125L7V Wiring diagram 1 The illustration below shows the wiring diagram of the unit.
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Wiring Diagrams: Indoor Units ESIE03–01 11 3 4 5 1–110 Part 1 – System Outline
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ESIE03–01 PCB Layout Part 1 8 PCB Layout 8.1 What Is in This Chapter? Introduction PCB layouts Part 1 – System Outline This chapter contains the following information: P It describes which unit uses which PCB types P It shows the PCB connectors. 1 3 This chapter contains the following PCB layouts: PCB layout See page 8.2–R(Y)P71~125L7V1 and R(Y)P71~125L7W1 1–112 8.3–FHYCP35~125B7V1 1–113 8.4–FHYBP35~125B7V1 1–114 8.5–FDYP125~250B7V1 1–115 8.6–FUYP71~125BV1(7) 1–116 8.
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PCB Layout 11 8.2 ESIE03–01 R(Y)P71~125L7V1 and R(Y)P71~125L7W1 PCB The illustration below shows the PCB connectors. X14A X15A X9A X25A X22A X11A X12A X8A X27A X7A 3 X24A 4 X40A X2A 5 Connectors 1–112 X10A X6A X4A X26A X5A X1A The table below describes the PCB connectors.
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ESIE03–01 8.3 PCB Layout FHYCP35~125B7V1 Applicable PCB 1 The table below contains the applicable PCB number and unit of this PCB type. PCB No. Unit EC0059 FHYCP35/45/60/71/100/125B7V1 The illustration below shows the PCB connectors. X27A X11A X10A X33A X19A X23A X30A X5A X35A X20A X24A X15A X25A X18A X40A Connectors Part 1 – System Outline X36A 3 4 The table below describes the PCB connectors.
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PCB Layout 11 8.4 ESIE03–01 FHYBP35~125B7V1 Applicable PCB The table below contains the applicable PCB numbers and units of this PCB type. PCB No. Unit EC0060A FHYBP35/45/60/71B7V1 EC0061A (illustrated below) FHYBP100/125B7V1 The illustration below shows the PCB connectors. X33A X11A 3 X25A X27A X15A 4 X23A X18A X21A X19A 5 X30A Connectors 1–114 X35A X10A X50A X5A X40A The table below describes the PCB connectors.
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ESIE03–01 8.5 PCB Layout FDYP125~250B7V1 Applicable PCB 1 The table below contains the applicable PCB number and unit of this PCB type. PCB No. Unit EC0062A (illustrated below) FDYP125/200/250B7V1 The illustration below shows the PCB connectors. X33A X11A X25A X27A 3 X15A X31A X23A X18A X21A X19A X30A Connectors Part 1 – System Outline X35A X10A X50A X5A 4 X40A 5 The table below describes the PCB connectors.
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PCB Layout 11 8.6 ESIE03–01 FUYP71~125BV1(7) Applicable PCB The table below contains the applicable PCB number and unit of this PCB type. PCB No. Unit EC0065 FUYP71/100/125BV17 The illustration below shows the PCB connectors. X33A X11A X27A X14A 3 X15A X40A X20A X23A 4 X29A X18A X25A X19A X35A 5 Connectors 1–116 X30A X10A X5A X24A The table below describes the PCB connectors.
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ESIE03–01 8.7 PCB Layout FHYKP35~71BV1 Applicable PCB 1 The table below contains the applicable PCB number and unit of this PCB type. PCB No. Unit EC0063 FHYKP35/45/60/71BV1 The illustration below shows the PCB connectors. X33A X11A X29A X25A X27A X14A 3 X15A X23A X18A X21A X19A X30A X35A Connectors Part 1 – System Outline X10A X5A 4 X40A 5 The table below describes the PCB connectors.
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PCB Layout 11 8.8 ESIE03–01 FHYP35~125BV1 Applicable PCB The table below contains the applicable PCB number and unit of this PCB type. PCB No. Unit EC0055 FHYP35/45/60/71/100/125BV1 The illustration below shows the PCB connectors. X33A X11A X27A X14A 3 X15A X40A X20A X23A X29A X18A 4 X25A X19A X35A 5 Connectors X30A X10A X5A X24A X26A The table below describes the PCB connectors.
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ESIE03–01 8.9 PCB Layout FAYP100BV1 Applicable PCB 1 The table below contains the applicable PCB number and unit of this PCB type. PCB No. Unit ECOO64 FAYP100BV1 The illustration below shows the PCB connectors. X27A X5A X10A X23A 3 X11A X18A X19A X98A 4 X40A X20A Connectors Part 1 – System Outline X25A X29A X24A X35A X26A X30A X14A X15A 5 The table below describes the PCB connectors.
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PCB Layout 11 8.10 ESIE03–01 FAYP71LV1 Applicable The table below contains the applicable PCB number and unit of this PCB type. PCB No. Unit ECO109 set (No X40A on PCB) FAYP71LV1 see PCB FAYP~L PCB The illustration below shows the PCB connectors. Connectors The table below describes the PCB connectors.
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ESIE03–01 8.11 PCB Layout FDYMP71~125L7V1 Applicable PCB 1 The table below contains the applicable PCB number and unit of this PCB type. PCB No. Unit EW203 FDYMP71/100/125L7V1 The illustration below shows the PCB connectors. 3 4 5 Connectors The table below describes the PCB connectors.
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PCB Layout ESIE03–01 11 3 4 5 1–122 Part 1 – System Outline
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ESIE03–01 4 Part 2 Functional Description What is in this part? 2 3 This part contains the following chapters: Chapter See page 1–General Functionality 2–3 2–Overview of the cooling mode functions 2–27 3–Overview of the heating mode functions 2–39 4 5 Part 2 – Functional Description 2–1
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ESIE03–01 1 2 3 5 2–2 Part 2 – Functional Description
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ESIE03–01 General Functionality Part 2 1 1 General Functionality 2 1.1 What Is in This Chapter? Introduction This chapter contains information on the functions used to control the system. Understanding these functions is vital when diagnosing a malfunction that is related to the functional control. Overview This chapter contains the following topics: Topic See page 1.2–Functions of Thermistors 2–4 1.3–Operating Modes and Control Modes 2–6 1.
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General Functionality 1 1.2 ESIE03–01 Functions of Thermistors Locating the thermistors The thermistors on the illustration below are used to control the system. This control secures a proper operation and prevents problems of the unit. Functions of the thermistors The table below contains the thermistor functions of the large h/p. 2 3 4 5 Thermistor 1 Location Indoor heat exchanger Wiring symbol Mode Function R2T Cooling P Optimise discharge temp. (evap. temp.
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ESIE03–01 General Functionality Thermistor 2 Location Indoor air return Mode Function R1T Cooling P Thermostat control P Start-up control expansion valve and outdoor unit fan P Outdoor fan speed control P Thermostat control P Start-up control expansion valve and outdoor unit fan P Integral capacity calculation (to determine defrost) P Peak cut-off P Optimise discharge temp. (cond. temp.) P Outdoor fan speed control (O.L.) P Optimise discharge temp. (evap. temp.
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General Functionality 1 1.3 Operating Modes and Control Modes Operating modes 2 ESIE03–01 Control modes The two operating modes are: P Normal operating mode P Forced operating mode. The table below contains the different control modes of the Sky Air B-series air conditioners.
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ESIE03–01 1.4 General Functionality Forced Operating Mode (Emergency Operation) Applicable units Purpose The forced operating mode is applicable for the following units: Model type For this unit, you can go to... RP71-125L Forced cooling mode RYP71-125L P Forced cooling mode P Forced heating mode 2 The table below describes the purpose of the forced operating mode. If... Before switching 1 3 Then...
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General Functionality 1 ESIE03–01 Step Action 4 Switch the emergency switch on the outdoor PCB to the forced mode you prefer. ON COOL ON 2 1 2 OFF HEAT Switch 2 is not applicable for the c/o units. 3 4 5 Turn ON the power. Before switching back Before moving the switches back to normal operating mode, make sure to turn OFF the power firstly. Starting conditions You can operate the system manually by changing the emergency switch on the indoor and outdoor PCB from “normal” to “emergency”.
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ESIE03–01 Time chart General Functionality The time chart below illustrates emergency operation. P In cooling, the unit runs for 20 min and then stops for 10 min in order to avoid freeze-up of the indoor coil. P During emergency operation, do not attempt to operate the equipment from the remote controller. The remote controller shows 88 while the emergency operation is active on the indoor unit.
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General Functionality 1 1.5 Outdoor Unit Identification Function Applicable units 2 3 4 ESIE03–01 The outdoor unit identification function is applicable for the following units: Model type Model name Cassette FHYCP and FUYP Corner FHYKP Ceiling FUYP Wall FAYP Duct FDYP, FHYBP and FDYMP Purpose The purpose of the outdoor unit identification function is to enable the indoor unit to automatically determine which operating mode has to be set in function of the outdoor unit type (c/o or h/p).
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ESIE03–01 1.6 General Functionality Thermostat Control 1 Applicable units All units Purpose The purpose of thermostat control is to control the compressor operation, by sensing the suction air. Preventing thermostat OFF conditions The thermostat control prevents the thermostat from turning OFF in the following conditions: ∆Tr Time chart P Initial operation for the first 2.5 min, or P Defrosting, or P Forced operating mode. 2 3 The table below shows how to calculate ∆Tr. In...
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General Functionality 1 Preset temp. range ESIE03–01 The table below illustrates the preset temperature range.
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ESIE03–01 1.7 General Functionality Forced Thermostat OFF 1 Applicable units All indoor units Purpose The outdoor unit independently turns its thermostat OFF by means of control other than thermostat OFF commands from the indoor unit. Method The table below contains the different conditions for which the thermostat is turned OFF by the outdoor unit. Thermostat OFF control Indicator Starting conditions Result Reset 3 Freeze-up function: See page 2–29.
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General Functionality 1 2 1.8 ESIE03–01 HPS and LPS Function Applicable units R(Y)P71-125L Purpose HPS (High-Pressure Switch) If the pressure at the discharge side of the compressor becomes abnormally high, the HPS stops the unit automatically in order to prevent it from breaking down. LPS (Low-Pressure Switch) If the pressure at the suction side of the compressor becomes abnormally low, the LPS stops the unit automatically in order to prevent it from breaking down.
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ESIE03–01 1.9 General Functionality Simulated Operation Function 1 Applicable units P Purpose The purpose of the simulated operation function is to avoid the unit from stopping if the heat exchanger thermistor or air thermistor is malfunctioning. Method If the air thermistor (for all models listed) or the heat exchanger thermistor is malfunctioning (out of its normal range), simulated operation is carried out while malfunction is displayed on the remote controller.
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General Functionality 1 2 1.10 Discharge Pipe Temperature Control Applicable units R(Y)P71-125L Purpose The purpose of the discharge pipe temperature control is to prevent a discharge pipe temperature that is too high or too low. Low temp. starting conditions The table below contains the low temperature conditions to start the discharge pipe temperature control. 3 Function Description Starting conditions Wet operation Prevents liquid suction to the compressor. P Change in E.V.
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ESIE03–01 1.11 General Functionality Gas Shortage Function 1 Purpose The purpose of the gas shortage function is to detect refrigerant shortage before the unit stops due to a discharge temperature that is too high. Method When the thermostat is turned OFF due to a discharge pipe temperature that is too high and the E.V. opening is 450 pulses or more, the gas shortage error is activated. However, operation does not stop due to gas shortage. 2 To check the gas shortage error (U0), see page 3–62.
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General Functionality 1 1.12 ESIE03–01 Drain Pump Control Applicable units The drain pump control is applicable for the following units: 2 3 Model type Model name Cassette FHYCP (standard) and FUYP (standard) Duct FHYBP (standard) and FDYP (optional) Corner FHYKP (standard) Ceiling FHYP (optional) Purpose The purpose of the drain pump control is to control the water draining from the drain pan.
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ESIE03–01 General Functionality Detection system All applicable units use a drain pan water level detection system of the float type. Float type: During start-up The time chart below illustrates the drain pump control during start-up. 1 Water level abnormality 2 Float switch Normal ON Compressor OFF ON 3 Drain pump OFF 5 min Error processing 5s 5 min Abnormal Normal 1 min 20 Float type: During operation (compr. ON) 4 The time chart below illustrates the drain pump control during start-up.
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General Functionality 1 1.13 Fan and Flap Operations Heating operation Function 2 Hot start after defrost Defrost 3 4 ESIE03–01 Thermostat OFF The table below contains the fan and flap operations. In...
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ESIE03–01 1.14 General Functionality Auto-Restart Function 1 Applicable units All units Purpose The purpose of the auto-restart function is to resume the same operating mode after the power was turned OFF as when the unit was operating. Turning OFF power When you have to turn OFF the power supply in order to carry out maintenance, make sure to turn the remote controller’s ON/OFF switch OFF firstly.
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General Functionality 1 2 1.15 Using Conditions for Remote Controller Thermostat Applicable units All units Wired remote controllers The remote controller thermostat is only available in wired remote controls. Conditions in which the rem. contr. thermostat is not used Even when the “use remote controller thermostat” is selected in service mode, the remote controller thermostat is not always used. 3 The table below contains the conditions in which the remote controller thermostat is not used.
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ESIE03–01 1.16 General Functionality Overcurrent Protection Function 1 Purpose The purpose of the “Overcurrent Protection Function” is to protect the unit against excessive current drains. Method If the Current Transducer detects an overcurrent, the unit will trip on E6 error after 4 times detection. Unit Compressor Current (A) RYP71L7V1 JT90FA-V1N 25.3 RYP71L7W1 JT90FA-YE 11.5 RYP100L7V1 JT125FA-V1N 38 RYP100L7W1 JT125FA-YE 11.
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General Functionality 1 2 1.17 ESIE03–01 Expansion Valve Control Applicable units R(Y)P71-125L Start-up control When the compressor starts, a pump down operation is carried out in order to avoid liquid pumping. The liquid receiver fills up and a minimum refrigerant amount is passed to the compressor. This minimum refrigerant amount is required to avoid discharge pipe temperatures that are too high. The opening degree of the expansion valve depends on the start-up number.
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ESIE03–01 Normal control General Functionality 1 The optimum discharge pipe temperature is calculated based on: P Indoor and outdoor heat exchanger temperature P Actual discharge pipe temperature P Outdoor ambient temperature. The expansion valve is controlled in order for the discharge temperature to approach the optimum temperature.
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General Functionality ESIE03–01 1 2 3 4 5 2–26 Part 2 – Functional Description
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ESIE03–01 Overview of the cooling mode functions Part 2 2 1 Overview of the cooling mode functions 2 2.1 What Is in This Chapter? Introduction This chapter contains information on the functions used to control the system when the system is in cooling mode. Understanding these functions is vital when diagnosing a malfunction that is related to the functional control. Overview This chapter contains the following topics: Topic See page 2.2–Dry Keep Mode 2–28 2.3–Freeze-Up Function 2–29 2.
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Overview of the cooling mode functions 1 2 2.2 Dry Keep Mode Applicable units All units Purpose The purpose of the dry keep mode is to remove humidity while maintaining the room temperature. Method The points of thermostat ON or OFF are determined according to the suction air temperature at start-up of the unit operation. The set temperature and flow rate are not displayed on the remote controller. Suction air temp.
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ESIE03–01 2.3 Overview of the cooling mode functions Freeze-Up Function Starting conditions 1 In order to avoid formation of ice on the indoor heat exchanger in cooling and dry mode, the system automatically starts up a freeze-up cycle when some specific conditions are fulfilled. 2 Graph 3 4 Field settings The table below contains the values of A, B, C, D, E and F in function of the DIP switch settings on the outdoor PCB.
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Overview of the cooling mode functions 1 Conditions 2a ESIE03–01 In case indoor unit is connected: DSW 2-3 DSW 2-4 ON (*) 2 3 Start Conditions (OR) P Te ≤ -1°C for 40 minutes accumulated compressor operation time· P Te ≤ A°C for 1 minute continuous after ≥ 8 minutes continuous compressor operation time Stop Conditions P Te > 7°C for 10 minutes continuously (*) Position of DSW2-4 irrelevant Conditions 2b 4 In case option box EKRPER is connected: DSW 2-3 DSW 2-4 ON (*) Start Conditions (
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ESIE03–01 Target discharge pipe temperature control (Tk) Overview of the cooling mode functions 1 When changing DS2-4 to ON, also the target discharge pipe temperature control (Tk control) is changed DS2-4 OFF (Factory set) DS2-3 ON (Field set) When Outdoor Ambient > 12°C : Factory set condition is applicable (left figure). When Outdoor Ambient ≤ 12°C : 2 3 By allowing a lower discharge pipe temperature, the expansion valve closing will be limited, hence avoiding a drastic drop in Low Pressure.
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Overview of the cooling mode functions 1 Caution ESIE03–01 P Final capacity result when using DS2-4 will depend on the total condition of the installation site. P Be sure to take into account the restrictions towards internal humidity when using DS2-4 P Possibility of using DS2-4 should be evaluated by a professional responsible installer for each installation site. P Do not set DS2-4 in combination with the option EKRPER.
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ESIE03–01 2.4 Overview of the cooling mode functions Outdoor Fan Starting Control in Cooling or Dry Keep Mode 1 Applicable units P R(Y)P71-125L Purpose The purpose is to avoid that the discharge pressure would start to rise, and stop the unit. Method: R(Y)P71-125L When the compressor starts, the fan keeps running for 3 min at starting fan speed. The starting fan speed depends on the ambient temperature.
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Overview of the cooling mode functions 1 Different fan speeds ESIE03–01 The table below explains the meaning of L, H and HH fan speed. 71 and 100 125 1 fan Upper fan (MF1) Lower fan (MF2) OFF OFF OFF OFF L L L L H H H H HH HH HH HH Fan operation 2 3 L-tap starting compensation When the outdoor fan is operated from OFF to L-tap, the fan motor does not turn, because of lack of starting torque.
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ESIE03–01 2.5 Overview of the cooling mode functions Normal Outdoor Fan Control in Cooling Operation 1 Applicable units R(Y)P71-125L Purpose The purpose of this normal outdoor fan control is to ensure a correct discharge pressure in function of the outdoor air and indoor room temperature. Method The table below shows in which conditions the outdoor fan works at low or high speed. Condition Fan Speed Ta < -7°C OFF Ta < 41.7 - 0.84 x Tr L speed Ta > 45.7 - 0.
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Overview of the cooling mode functions 1 Fan speed control graph ESIE03–01 The graph below shows the relation between inside and outside temperature and the fan speed:. Outside air temp. (Ta) (°CDB) 2 Ta < 36.5 - 0.5 Tr (H tap return condition) 3 Ta > 33.5 - 0.5 Tr (L tap condition) Indoor suction air temp.
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ESIE03–01 2.6 Overview of the cooling mode functions High Pressure Protection Control in Cooling Operation 1 Applicable units R(Y)P71-125L Purpose The purpose of the high pressure protection is to prevent a shutdown due to an error. Method The thermostat turns OFF immediately before HPS activation according to the outdoor heat exchanger temperature (Tc). Outd. unit heat exchanger temp. (Tc) Thermostat control 2 3 HPS retry 6th time: E3-error Max.
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Overview of the cooling mode functions 1 2 2.7 ESIE03–01 Condensation Avoidance Control Applicable units FHYP Operating modes Regardless of whether the thermostat is ON or OFF, the condensation avoidance control can function in the following operating modes: Method 3 P Cooling (automatic), or P Dry keep.
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ESIE03–01 Overview of the heating mode functions Part 2 3 1 Overview of the heating mode functions 2 3.1 What Is in This Chapter? Introduction This chapter contains information on the functions used to control the system during heating mode. Understanding these functions is vital when diagnosing a malfunction that is related to the functional control. This chapter is only applicable to h/p units. Overview This chapter contains the following topics: Topic See page 3.2–Defrost Control 2–40 3.
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Overview of the heating mode functions 1 2 3.2 ESIE03–01 Defrost Control Applicable units P RYP71-125L Purpose The purpose of the defrost control is to prevent frost on the outdoor heat exchanger coil. This frost forms when the unit is in heating position. Starting conditions: RYP71-125L The defrosting starts when either condition 1 or 2 has been realized.
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ESIE03–01 Heating integral capacity Overview of the heating mode functions The integral heating capacity is calculated by using the indoor unit data (R2T - R1T) divided by the compressor running time. Max. integral capacity value Integral capacity 2 Diminishing integral capacity 3 Compr. ON time Defrosting Heating Defrost control RYP71-125L 4 The illustration below shows the defrost control. Defrosting start Outd. unit heat exchager temp. (Tc) ON OFF 4-way valve ON OFF Outd. unit fan Ind.
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Overview of the heating mode functions 1 2 Defrost ending RYP71-125L ESIE03–01 Note Control and time Description 4 Hot start after defrost The unit remains in the hot start standby (indoor unit fan OFF) mode for: P 40 s after defrost ending, or P Until the indoor heat exchanger temperature increases. The defrost operation ends: P After 10 min, or P As soon as one of the following conditions is met after 1 min or more: - Outdoor heat exchanger temp. ≥ 10°C 3 - Discharge pipe temp. > 120°C.
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ESIE03–01 3.3 Overview of the heating mode functions Draft Avoidance Control 1 Applicable units 1 The draft avoidance control 1 is applicable for the following units: Model type Model name Cassette FHYCP and FUYP Corner FHYKP Ceiling FUYP Wall FAYP 2 Purpose The purpose of the draft avoidance control 1 is to avoid draft, which is very uncomfortable for the end users.
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Overview of the heating mode functions 1 Used inputs 2 ESIE03–01 The draft avoidance control 1 uses the following inputs: Input Connection on indoor PCB Connection on outdoor PCB Limit switch for flap 33S — No.
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ESIE03–01 3.4 Overview of the heating mode functions Draft Avoidance Control 2 Applicable units 1 The draft avoidance control 2 is applicable for the following units: Model type Model name Cassette FHYCP and FUYP Corner FHYKP Ceiling FUYP Wall FAYP 2 Purpose The purpose of the draft avoidance control 2 is to avoid draft when the flap is moving.
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Overview of the heating mode functions 1 2 3.5 4-way Valve Control Applicable units RYP71-125L Purpose The purpose of the 4-way valve control is to control how the superheated refrigerant passes through the 4-way valve. The 4-way valve control carries out the changeover switching of the 4-way valve. This changeover switching is only carried out during operation, because pressure difference is required to move the internal cylinder. 3 Method 4 5 ESIE03–01 Time chart When...
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ESIE03–01 3.6 Overview of the heating mode functions Starting Outdoor Fan Control in Heating Mode 1 Applicable units RYP71-125L Purpose The purpose of the starting outdoor fan control is to control the fan speed in function of the indoor and outdoor unit air temperature. Method The illustration below shows the fan starting control in heating mode. P LPS is not detected for 3 min after start-up. P The starting fan speed lasts 5 min.
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Overview of the heating mode functions 1 ESIE03–01 Time charts 2 3 4 5 2–48 Part 2 – Functional Description
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ESIE03–01 3.7 Overview of the heating mode functions Normal Outdoor Fan Control in Heating Mode Applicable units RYP71-125L Purpose The purpose of the normal outdoor fan control is to: Method 1 P Reduce the chance of overload during high ambient temperature. P Reduce the chance of icing up. 2 Normal fan control operation is done after 5 min of starting fan control operation. 3 The operation range is divided into three areas (A, B and C). Indoor heat exchanger temp. Outdoor air temp.
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Overview of the heating mode functions 1 Different fan speeds ESIE03–01 The table below explains the meaning of L, H and HH fan speed.
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ESIE03–01 4 Part 3 Troubleshooting What is in this part? 33 This part contains the following chapters: Chapter See page 1–Troubleshooting 3–3 2–Error Codes: Indoor Units 3–25 3–Error Codes: Outdoor Units 3–37 4–Error Codes: System Malfunctions 3–61 5–Additional Checks for Troubleshooting 3–71 4 5 Part 3 – Troubleshooting 3–1
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ESIE03–01 1 33 5 3–2 Part 3 – Troubleshooting
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ESIE03–01 Troubleshooting Part 3 1 Troubleshooting 1.1 What Is in This Chapter? Introduction When a problem occurs, you have to check all possible malfunctions. This chapter gives a general idea of where to look for malfunctions. Not all repair procedures are described. Some procedures are considered common practice. Overview Part 3 – Troubleshooting 1 33 This chapter contains the following topics: Topic See page 1.2–Overview of General Problems 3–4 1.
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Troubleshooting 1 1.
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ESIE03–01 Troubleshooting Abnormal operating noise and vibrations Make sure the required space for installation is provided. See chapters “General Outline: Indoor Units” and “General Outline: Outdoor Units”. Equipment does not operate (operation light OFF) To troubleshoot, check the following: Poor cooling or heating Operation stops suddenly (operation light flashes) P Check if the breaker has switched OFF or the fuse has blown. P Check if the batteries are placed in the remote controller.
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Troubleshooting 1 1.3 ESIE03–01 Emergency Operation and Checking with the Wired Remote Controller Emergency operation Checking with the wired remote controller When the remote controller is not available or its battery is dead, you can use the emergency button on the front panel of the indoor unit : P To start the automatic mode, press the emergency button. P To stop the automatic mode, press the button again.
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ESIE03–01 1.4 Troubleshooting Procedure of Self-Diagnosis by Remote Controller The Inspection/Test Button: explanation 1 By turning the remote controller’s inspection/test button ON, you can change the mode as shown in the figure below. Indoor unit settings can be made P Filter sign time P Air flow direction P Others Depress Inspection/Test Operation button for more than 4 seconds. Local setting mode Service mode Service data can be obtained.
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Troubleshooting 1 1.5 ESIE03–01 Checking with the Wireless Remote Controller Display Introduction Contrary to the wired remote controller, the wireless remote controller does not display the error code. Instead, the operation LED on the light reception section flashes. Checking To find the error code, proceed as follows: Step Action 1 Press the INSPECTION/TEST button to select “inspection”. The equipment enters the inspection mode. “0” flashes in the UNIT No. display.
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ESIE03–01 Troubleshooting Step Action 2 Press the UP or DOWN button and change the UNIT No. until the receiver of the remote controller starts to beep. 1 UP DOWN 33 3 4 If you hear... Then... 3 short beeps Follow all steps below. 1 short beep Follow steps 3 and 4. Continue the operation in step 4 until you hear a continuous beep. This continuous beep indicates that the error code is confirmed. 1 continuous beep There is no abnormality. 5 Press the MODE selector button.
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Troubleshooting 1 ESIE03–01 Step Action 4 Press the UP or DOWN button to change the error code upper digit until the receiver of the remote controller starts to beep. DOWN UP DOWN 33 4 UP 5 5 If you hear... Then... 2 short beeps The upper digit matches. 1 short beep No digits match. 1 continuous beep Both upper and lower digits match. Press the MODE selector button.The right “0” (lower digit) indication of the error code flashes.
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ESIE03–01 Troubleshooting Step Action 6 Press the UP or DOWN button and change the error code lower digit until the receiver of the remote controller generates a continuous beep. 1 DOWN UP DOWN 33 4 UP 7 Press the MODE button to return to normal status. If you do not press any button for at least 1 min, the remote controller returns automatically to normal status.
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Troubleshooting 1 1.6 ESIE03–01 Self-Diagnosis by Wired Remote Controller Explanation If operation stops due to malfunction, the remote controller’s operation LED blinks, and malfunction code is displayed. (Even if stop operation is carried out, malfunction contents are displayed when inspection mode is entered.) The malfunction code enables you to tell what kind of malfunction caused operation to stop. See page 3-13 for malfunction code and malfunction contents.
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ESIE03–01 1.7 Troubleshooting Remote Controller Display Malfunction Code and Contens Malfunction Code Contents/Processing 1 Remarks A1 Failure of PC board ass'y for indoor unit A3 Malfunction of water level system A6 Indoor unit fan motor overload / overcurrent / lock AF Malfunction of water level system Float switch is OFF during indoor unit stops.
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Troubleshooting 1 Malfunction Code U4 or UF 33 4 5 ESIE03–01 Contents/Processing Failure of transmission (between indoor and outdoor unit) Wrong wiring between indoor and outdoor units or malfunction of the PC board mounted on the indoor and the outdoor units. If UF is shown, the wiring between the indoor and outdoor units is not properly wired. Therefore, immediately disconnect the power supply and correct the wiring.
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ESIE03–01 1.8 Troubleshooting Troubleshooting with the Indoor Unit LEDs and the Remote Controller 1 Shutdown For some errors, the system only shuts down when the error occurs several times. This means that you have to wait until the system shuts down to be able to see the flashing LED on the front panel and the error code on the remote controller. Malfunction overview The table below contains an overview of the indoor unit malfunctions. If... LED front panel Then...
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Troubleshooting 1 1.9 ESIE03–01 Troubleshooting with the Remote Controller: Outdoor Malfunctions Malfunction overview Outdoor Unit Malfunctions The table below contains an overview of the outdoor unit malfunctions. Remote Controller Display 33 4 5 Symbols and notes Location of Malfunction Other than PC Board Contents of Malfunction PC Board Outdoor Unit Indoor unit Remote Contr. — — Actuation of safety device Details of Malfunction (Reference page) E0 E1 — { — — Outdoor P.C.
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ESIE03–01 1.10 Troubleshooting Troubleshooting with the Remote Controller: System Malfunctions Malfunction overview 1 The table below contains an overview of the system malfunctions. If... Then... Location of the malfunction Rem. contr.
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Troubleshooting 1 1.11 Overview ESIE03–01 Overview of the Indoor Safety Devices The table below contains an overview of the indoor safety devices. Thermal protector fan motor Applicable unit 33 4 Thermal fuse fan motor Abnormal Reset (automatic) FH(Y)C(P) > 130 ± 5°C < 83 ± 20°C N.A. FHYBP N.A. N.A. > 152°C FH(Y)(P) > 130 ± 5°C < 83 ± 20°C N.A. FUYP > 130 ± 5°C < 83 ± 20°C N.A. FDYP N.A. N.A. > 160°C FAYP > 130 ± 5°C < 83 ± 20°C N.A. FH(Y)K(P) > 120 ± 5°C < 105°C N.A.
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ESIE03–01 1.12 Troubleshooting Overview of the Outdoor Safety Devices Overview 1 The table below contains an overview of the outdoor safety devices.
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Troubleshooting 1 1.13 ESIE03–01 Outdoor Safety Device: Thermal Protector Fan Motor Thermal protector fan motor The table below describes the thermal protector of the fan motor.
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ESIE03–01 1.14 Troubleshooting Outdoor Safety Device: Reverse Phase Protector Reverse phase protector 1 The table below describes the reverse phase protector.
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Troubleshooting 1 1.15 ESIE03–01 Outdoor Safety Device: High-Pressure Switch High-pressure switch The table below describes the high-pressure switch. Applicable outdoor unit Wiring symbol Location safety S1PH Discharge pipe Settings Type Abnormal Reset Reset > 33 Bar < 25.
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ESIE03–01 1.16 Troubleshooting Outdoor Safety Device: Low-Pressure Switch Low-pressure switch 1 The table below describes the low-pressure switch. Applicable outdoor unit Wiring symbol Location safety S1LP Low-pressure switch located in suction pipe Settings Type Abnormal Reset Reset < -0.3 bar > +0.
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Troubleshooting ESIE03–01 1 33 4 5 3–24 Part 3 – Troubleshooting
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ESIE03–01 Error Codes: Indoor Units Part 3 2 Error Codes: Indoor Units 2.1 What Is in This Chapter? Introduction In the first stage of the troubleshooting sequence, it is important to correctly interpret the error code on the remote controller display. The error code helps you to find the cause of the problem. Shutdown For some errors, the system only shuts down when the error occurs several times.
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Error Codes: Indoor Units 1 2.2 ESIE03–01 Malfunctioning Indoor PCB (A1) Error code A1 LED indications The table below shows the LED indications. Operation HAP (green) HBP (green) c c c w c x w — x — Normal 33 4 5 Malfunctioning Error generation The error is generated when the data from the EEPROM is not received correctly. EEPROM (Electrically Erasable Programmable Read Only Memory): A memory chip that holds its content without power.
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ESIE03–01 2.3 Error Codes: Indoor Units Malfunctioning Drain Water Level System (A3) Error code A3 LED indications The table below shows the LED indications. Operation 1 HAP (green) HBP (green) Normal c c Malfunctioning c c Error generation The error is generated when the water level reaches its upper limit and when the float switch turns OFF.
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Error Codes: Indoor Units 1 Troubleshooting ESIE03–01 To troubleshoot, proceed as follows: Begin Is the unit a cassette or built-in type? Is the optional drain raising mechanism connected? No No Is the short-circuit connector connected to X15A on the indoor unit PCB? Yes Yes Yes 33 Connect the Short-circuit connector. No Check the continuity of the short-circuit connector. Yes Is a drain pump connected to the indoor unit PCB? No Connect the drain pump.
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ESIE03–01 2.4 Error Codes: Indoor Units Indoor Unit Fan Motor Lock (A6) 1 Error code A6 LED indications The table below shows the LED indications. Operation HAP (green) HBP (green) Normal c c Malfunctioning c c Error generation The error is generated when the fan rotations are not detected while the output voltage to the fan is at its maximum.
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Error Codes: Indoor Units 1 Troubleshooting ESIE03–01 To troubleshoot, proceed as follows: Check the connections of X20A and X26A. Are X20A and X26A properly connected? No Connect X20A and X26A correctly. Yes 33 Unplug X26A and switch the power supply on. 4 Check the voltage between pins 1 and 3 of X26A. 5 Is there about 12 VDC? No Replace indoor unit PCB. Yes Check indoor unit fan motor and motor wiring.
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ESIE03–01 2.5 Error Codes: Indoor Units Malfunctioning Drain System (AF) 1 Error code AF LED indications The table below shows the LED indications. Operation HAP (green) HBP (green) Normal c c Malfunctioning c c Error generation The error is generated when the float switch changes from ON to OFF while the compressor is OFF. Causes The possible causes are: Troubleshooting P Error in the drain pipe installation P Malfunctioning float switch P Malfunctioning indoor unit PCB.
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Error Codes: Indoor Units 1 2.6 ESIE03–01 Malfunctioning Capacity Setting (AJ) Error code AJ LED indications The table below shows the LED indications. Operation 33 Error generation HBP (green) Normal c c Malfunctioning c c The error is generated when the following conditions are fulfilled: 4 5 HAP (green) Condition Description 1 P The unit is in operation. P The PCB’s memory IC does not contain the capacity code. P The capacity setting adapter is not connected.
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ESIE03–01 Troubleshooting Error Codes: Indoor Units 1 To troubleshoot, proceed as follows: Check if the capacity setting adapter is plugged into X23A of the indoor PCB. Is the capacity setting adapter plugged into X23A of the indoor unit PCB? No Plug a capacitor setting adapter that matches the capacity of the unit into X23A. 3 Yes Switch the power supply off and back on again. Is AJ displayed on the remote controller? No 4 The malfunction was caused by a missing capacity resistor.
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Error Codes: Indoor Units 1 2.7 Thermistor Abnormality (C4 or C9) Error code LED indications The table below describes the two thermistor abnormalities. 5 Error Description C4 Malfunctioning heat exchanger thermistor system. C9 Malfunctioning suction air thermistor system. The table below shows the LED indications.
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ESIE03–01 Troubleshooting Error Codes: Indoor Units 1 To troubleshoot, proceed as follows: Check the connector connection. Is it connected properly? No Correct the connection. Yes 3 Check the thermistor resistance. Is it normal? No Replace the thermistor. 4 Yes Check the contact between thermistor and PCB. Is the contact OK? No 5 Correct contact Yes Replace outdoor unit PCB. Caution Part 3 – Troubleshooting C4: Indoor liquid pipe thermistor (R2T).
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Error Codes: Indoor Units 1 2.8 ESIE03–01 Malfunctioning Remote Controller Air Thermistor (CJ) Error code CJ LED indications The table below shows the LED indications. Operation 33 Error generation HAP (green) HBP (green) Normal c c Malfunctioning c c The error is generated when the remote controller thermistor becomes disconnected or shorted while the unit is running. Even if the remote controller thermistor is malfunctioning, the system can operate with the system thermistor.
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ESIE03–01 Error Codes: Outdoor Units Part 3 3 Error Codes: Outdoor Units 3.1 What Is in This Chapter? Introduction In the first stage of the troubleshooting sequence, it is important to correctly interpret the error code on the remote controller display. The error code helps you to find the cause of the problem. Overview This chapter contains the following topics: Part 3 – Troubleshooting Topic See page 3.2–Activation of Safety Device (EO) 3–38 3.
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Error Codes: Outdoor Units 1 3.2 Activation of Safety Device (EO) Error code E0 Error generation The error is generated when a safety device has detected an abnormality. Causes The possible causes are: 33 4 ESIE03–01 P Malfunctioning safety device input connection P Broken or disconnected safety device harness P Stop valve is set to “close” P Clogging refrigerant piping circuit P Air short-circuit P Malfunctioning outdoor PCB. Overview outdoor safety devices See page 3–19.
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ESIE03–01 High temperature of fan motor coil Error Codes: Outdoor Units 1 To troubleshoot, proceed as follows: The temperature of the fan motor coil is abnormally high. Is the fan rotating? Check the fan rotation when facing the front of the unit. Fan standstill. Refer to: fhe fan does not rotate. No Yes Is the fan turning counterclockwise? The fan is turning clockwise. Refer to: the fan is turning clockwise. No 33 Yes Is there air short-cycling in the unit? No Replace fan motor.
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Error Codes: Outdoor Units 1 The fan does not rotate ESIE03–01 To troubleshoot, proceed as follows: The fan does not rotate. Check outdoor unit type. Is the unit a R(Y)P71B? 33 No The unit is a R(Y)P100-125B Yes Disconnect connectors X14A and X15A on outdoor unit PCB. Disconnect connector X14 on outdoor unit PCB. 4 Try to rotate the fan with your hand. 5 Can you rotate the fan smoothly? 1 2 Remove obstacles so the fan rotates correctly or replace the fan. Reconnect connector.
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ESIE03–01 The fan is turning clockwise Error Codes: Outdoor Units 1 To troubleshoot, proceed as follows: The fan is turning clockwise. Check condensator connection. Refer to: fan motor condensator connection. Is the connection correct? No 33 Correct the connection. Refer to: fan motor condensator connection. Yes Replace fan motor. Excessive compressor current 4 To troubleshoot, proceed as follows: The compressor current is excessive.
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Error Codes: Outdoor Units 1 High temperature of compressor head ESIE03–01 To troubleshoot, proceed as follows: Compressor head temperature > 120 °C or Discharge superheat > 55 °C Check the stop valves. Are they open? 33 No Open the stop valve(s). No Check the refrigerant level. Yes Check the refrigerant piping circuit. 4 Is it clogged? 5 Yes Replace clogged part. Is the refrigerant filled to the proper level? No Fill to specified level Yes Check the compressor.
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ESIE03–01 3.3 Error Codes: Outdoor Units Failure of Outdoor Unit PC Board (E1) Remote Controller Display 1 E1 Method of Malfunction Detection A microcomputer checks whether or not E2PROM is normal. Malfunction Decision Conditions The E2PROM is malfunctioning when the power supply is turned on. Possible Causes P 33 Faulty outdoor unit PC board Troubleshooting 4 Turn the power supply off once and then back on. Reset normally? YES Could result from external cause (e.g.
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Error Codes: Outdoor Units 1 3.4 Abnormal High Pressure (Detected by the HPS) (E3) Error code E3 Error generation The error is generated when the high-pressure switch is activated during compressor operation.
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ESIE03–01 Troubleshooting Error Codes: Outdoor Units 1 To troubleshoot, proceed as follows: Check the connections of the high pressure systems. Is HPS correctly connected to the outdoor unit PCB? No Connect correctly. Yes y y Does the HPS have continuity? 33 Some models are not equipped with a HPS. Turn the power OFF and back ON after 2 or 3 minutes. Check the continuity of the HPS for control and safety. 4 Replace HPS without continuity.
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Error Codes: Outdoor Units 1 3.5 Abnormal Low Pressure (Detected by the LPS) (E4) Error code E4 Error generation The error is generated when the low-pressure switch is activated during compressor operation.
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ESIE03–01 Troubleshooting Error Codes: Outdoor Units 1 To troubleshoot, proceed as follows: Check the connections of the low pressure system. Is the LPS correctly connected to the outdoor unit PCB? No Connect correctly. Yes y y 33 Turn the power OFF and back ON after 2 or 3 minutes. Check the continuity of the LPS for control and safety. Does this LPS have continuity? 4 Replace LPS without continuity.
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Error Codes: Outdoor Units 1 3.6 Compressor Overcurrent (E6) Remote Controller Display 33 ESIE03–01 E6 Method of Malfunction Detection The input current value is detected with a current sensor. Malfunction Decision Conditions When the compressor input current exceeds the specified input current value. Refer "Approximate Input current value" on next page.
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ESIE03–01 Error Codes: Outdoor Units 1 Troubleshooting Check for the installation conditions. Is the stop valve open? NO Open the stop valve. YES See "Evaluation of abnormal high pressure" on page 3–81 High pressure is too high YES Correct the high pressure. 33 NO Check for the power supply voltage. The voltage has dropped. 4 YES Correct the power supply. 5 NO Spare PC board is installed using an adapter not suitable for the applicable model. [See (Note) below.
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Error Codes: Outdoor Units 1 3.7 ESIE03–01 Malfunctioning Electronic Expansion Valve (E9) Error code E9 Error generation The error is generated when the following coil current condition is not met: Open circuit < coil current < short circuit. Resistance values The table below contains the reference resistance values.
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ESIE03–01 Troubleshooting Error Codes: Outdoor Units 1 To troubleshoot, proceed as follows: Turn the power supply off and back on again Normal reset? No Check resistance of electronic expansion valve coil. Yes Outside cause (electric noise, etc.). Is the electronic expansion valve connected to the outdoor unit PCB? No 33 Connect correctly. Yes Did you measure the resistance over a grey wire? 4 No No Yes Faulty electronic expansion valve. Yes Replace outdoor unit PCB.
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Error Codes: Outdoor Units 1 33 3.8 ESIE03–01 Malfunctioning in Discharge Pipe Temperature (F3) Error code F3 Error generation The error is generated when: Causes 4 P Discharge pipe temperature becomes abnormally high P Discharge pipe temperature rises suddenly P Discharge pipe thermistor is not in its holder.
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ESIE03–01 Troubleshooting Error Codes: Outdoor Units 1 To troubleshoot, proceed as follows: Check the amount of refrigerant. Is it correct? No Fill with the proper amount of refrigerant. Yes 33 Check the discharge pipe sensor.
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Error Codes: Outdoor Units 1 3.9 ESIE03–01 Malfunctioning HPS (H3) Error code H3 Error generation The error is generated when there is no continuity in the high-pressure switch during compressor OFF. Causes The possible causes are: 33 Troubleshooting P Malfunctioning high-pressure switch P Broken or disconnected high-pressure switch harness P Malfunctioning high-pressure switch connector connection P Malfunctioning outdoor unit PCB.
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ESIE03–01 3.10 Error Codes: Outdoor Units Malfunctioning Outdoor Thermistor System (H9) 1 Error code H9 Error generation The error is generated when the thermistor resistance is out of its range (60ø to 600kø). Causes The possible causes are: Troubleshooting P Malfunctioning outdoor thermistor P Malfunctioning outdoor thermistor connector connection P Malfunctioning outdoor unit PCB. 33 To troubleshoot, proceed as follows: Check the unit type.
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Error Codes: Outdoor Units 1 33 3.11 ESIE03–01 Malfunctioning Discharge Pipe Thermistor System (J3) Error code J3 Error generation The error is generated when the thermistor resistance is out of its range. Causes The possible causes are: Troubleshooting P Malfunctioning discharge pipe thermistor P Malfunctioning discharge pipe thermistor connector connection P Malfunctioning outdoor unit PCB.
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ESIE03–01 3.12 Error Codes: Outdoor Units Malfunctioning Heat Exchanger Thermistor System (J6) Error code J6 Error generation The error is generated when the thermistor resistance is out of its range. Causes The possible causes are: Troubleshooting P Malfunctioning heat exchanger thermistor P Malfunctioning heat exchanger thermistor connector connection P Malfunctioning outdoor unit PCB. 1 33 To troubleshoot, proceed as follows: Check the unit type.
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Error Codes: Outdoor Units 1 3.13 Abnormal Heat Exchanging Temperature (F6) Remote Controller Display 33 ESIE03–01 F6 Method of Malfunction Detection The high pressure control (stop) is made according to temperature detected with outdoor unit heat exchanging thermistor in cooling operation or indoor unit heat exchanging thermistor in heating operation.
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ESIE03–01 3.14 Error Codes: Outdoor Units Malfunction of Current Sensor System (J2) Remote Controller Display 1 J2 Method of Malfunction Detection The malfunction of current sensor is detected through the current detected with the current sensor. Malfunction Decision Conditions While in operation: When the current detected with the current sensor is not more than a constant value. 33 While in stopping: When the current detected with the current sensor is not less than a constant value.
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Error Codes: Outdoor Units 1 3.15 Failure of Capacity Setting (PJ) Remote Controller Display 33 4 ESIE03–01 PJ Method of Malfunction Detection Check whether set value (i.e., factory set value) written in E2PROM or set value with the (replaced) capacity setting adapter (X26A) is the same as that of outdoor unit capacity.
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ESIE03–01 Error Codes: System Malfunctions Part 3 4 Error Codes: System Malfunctions 4.1 What Is in This Chapter? Introduction In the first stage of the troubleshooting sequence, it is important to correctly interpret the error code on the remote controller display. The error code helps you to find the cause of the problem. Overview This chapter contains the following topics: Part 3 – Troubleshooting Topic See page 4.2–Gas Shortage Detection (UO) 3–62 4.3–Reverse Phase (U1) 3–63 4.
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Error Codes: System Malfunctions 1 4.2 ESIE03–01 Gas Shortage Detection (UO) Error code Error method U0 The discharge pipe thermistor detects the malfunction temperature at which there can be a gas shortage. If the discharge temperature exceeds 125°C during more than 20 s, the outdoor unit will stop and retry when the guard timer is OFF (3 min have passed). During the retrial, the expansion valve will be opened 90 pulses more than in case of the previous start.
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ESIE03–01 4.3 Error Codes: System Malfunctions Reverse Phase (U1) Error code 1 U1 This error code is only for 3-phase equipment. Error generation The error is generated when the difference between phase L1 and L3 is not 240°. The illustration below shows the 3-phase network.
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Error Codes: System Malfunctions 1 Troubleshooting ESIE03–01 To troubleshoot, proceed as follows: Check power L1-L2-L3= 400V –10% L1-N= 230V –10% L2-N= 230V –10% L3-N= 230V –10% Does the power correspond with previous data? 33 No Correct power supply. Yes 1. 2. 3. 4 Turn the power off. Change L1-L2 or L2-L3. Turn the power on. Is U1 displayed on the remote controller? 5 No Phases are not correct. Yes Replace outdoor unit PCB.
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ESIE03–01 4.4 Error Codes: System Malfunctions Transmission Error between Indoor and Outdoor Unit (U4 or UF) Error code 1 U4or UF Error generation The error is generated when the microprocessor detects that the transmission between the indoor and the outdoor unit is not normal over a certain amount of time.
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Error Codes: System Malfunctions 1 Troubleshooting 2 ESIE03–01 To troubleshoot, proceed as follows: Continued from previous page Is HAP flashing? Check of outdoor unit microcomputer normal HAP NO (ON or OFF) Turn the power supply off once and then back on. YES Is HAP flashing? 33 YES Resets normally. Could be outside cause (noise...). NO Is HAP on? 4 YES Failure of outdoor unit PCB. NO (OFF) Turn off the power supply, disconnect the NO.
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ESIE03–01 4.5 Error Codes: System Malfunctions Transmission Error between Indoor Unit and Remote Controller (U5) Error code 1 U5 Error generation The error is generated when the microprocessor detects that the transmission between the indoor unit and the remote controller is not normal over a certain amount of time. Causes The possible causes are: Troubleshooting P Malfunctioning remote controller P Malfunctioning indoor PCB P Outside cause (noise...
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Error Codes: System Malfunctions 1 4.6 ESIE03–01 Transmission Error between MAIN Remote Controller and SUB Remote Controller (U8) Error code U8 Error generation The error is generated when, in case of controlling with two remote controllers, the microprocessor detects that the transmission between the indoor unit and the remote controllers (MAIN and SUB) is not normal over a certain amount of time.
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ESIE03–01 4.7 Error Codes: System Malfunctions Malfunctioning Field Setting Switch (UA) 1 Error code UA Error generation The error is generated when incorrect field settings have been set for pair/twin/triple/double twin. Causes The possible causes are: P Malfunctioning indoor or outdoor unit PCB P Malfunctioning power supply PCB P Indoor-outdoor, indoor-indoor unit transmission wiring P Malfunctioning remote controller wiring.
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Error Codes: System Malfunctions 1 Troubleshooting ESIE03–01 To troubleshoot, proceed as follows: Is the remote controller connected to more than one indoor unit? YES Connect the remote controller correctly. NO Is the outdoor unit used for Twin system? NO Check setting "No. of Connected Twin System Indoor Units" of indoor unit. YES Is the setting of Pair/Twin/Triple set correctly? 33 NO Set correctly.
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ESIE03–01 Additional Checks for Troubleshooting Part 3 5 Additional Checks for Troubleshooting 5.1 What Is in This Chapter? Introduction This chapter explains how you must check the units to carry out troubleshooting correctly. Overview This chapter contains the following topics: Part 3 – Troubleshooting 1 33 Topic See page 5.2–Indoor Unit: Checking the Fan Motor Hall IC 3–72 5.3–Indoor Unit: Checking the Power Supply Wave Form 3–73 5.
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Additional Checks for Troubleshooting 1 5.2 Indoor Unit: Checking the Fan Motor Hall IC Applicable units Units using phase cut controlled fan motor with feedback signal. Checking To check the indoor unit fan motor hall IC, proceed as follows: 33 4 5 3–72 ESIE03–01 Step Action 1 Make sure connector S7 on PCB 1 is properly connected. 2 Make sure the power is ON and that there is no operation. 3 Measure the voltage between pin 1 and 3 of S7.
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ESIE03–01 5.3 Additional Checks for Troubleshooting Indoor Unit: Checking the Power Supply Wave Form Checking 1 To check the power supply wave form, proceed as follows: Step Action 1 Measure the power supply wave form between pin 1 and 3 of X1M for the outdoor units or between pin 1 and 3 of X2M for the indoor units.
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Additional Checks for Troubleshooting 1 5.4 Checking ESIE03–01 Outdoor Unit: Checking the Refrigerant System To check the refrigerant system, proceed as follows: Check discharge pipe thermistor R3T. Is the discharge pipe thermistor R3T disconnected from the holder? 33 Yes No Check for gas leaks using a leak tester. Replace the refrigerant. Correct the problem.
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ESIE03–01 5.5 Additional Checks for Troubleshooting Outdoor unit: Checking the Installation Condition Checking 1 To check the installation condition, proceed as follows: Check the space for all air passage around the suction and discharge areas. Is the minimum space respected? No Change the installation location. 33 Yes Does the discharged air from other outdoor units cause an increase of the suction temperature? Is the heat exchanger clean? No Clean the heat exchanger.
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Additional Checks for Troubleshooting 1 5.6 Checking ESIE03–01 Outdoor Unit: Checking the Discharge Pressure To check the discharge pressure, proceed as follows: Check the discharge pressure. Is the pressure > 24 kg/ cm² during cooling operation? 33 Yes Is the solenoid valve open? 4 No Is there conductivity in the coil of the solenoid valve? No Replace the coil of the solenoid valve. No Clean them. No Yes Yes 5 Is the stop valve open? Replace the solenoid valve. No Open the stop valve.
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ESIE03–01 5.7 Additional Checks for Troubleshooting Outdoor Unit: Checking the Expansion Valve Checking 1 To check the electronic expansion valve, proceed as follows: Step Action 1 Check if the expansion valve connector is correctly inserted in the X24A of PCB 1. 2 Compare the expansion valve unit with the number of the connector to make sure it is correctly connected. 3 Switch the power OFF. 4 Switch the power ON to check whether the expansion valve is producing a clicking sound. 5 33 If.
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Additional Checks for Troubleshooting 1 5.8 ESIE03–01 Checking the Thermistors Thermistors If the cause of the problem is related to the thermistors, then the thermistors should be checked prior to changing the PCB. For more information about these thermistors, see: 33 Overview of thermistors P ’Wiring Diagrams: Outdoor Units’ P ‘Wiring Diagrams: Indoor Units’ P "Functions of Thermistors" on page 4.
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ESIE03–01 5.9 Additional Checks for Troubleshooting R1T and R2T Temperature – resistance 1 The table below is the thermistor (R1T and R2T) temperature – resistance conversion table. Temp. (°C) Part 3 – Troubleshooting R1T (kΩ) R2T (kΩ) Temp. (°C) R1T (kΩ) R2T (kΩ) Temp. (°C) R1T (kΩ) R2T (kΩ) -20 197.81 192.08 20 25.01 24.45 60 4.96 4.87 -19 -18 -17 -16 -15 -14 -13 -12 -11 186.53 175.97 166.07 156.80 148.10 139.94 132.28 125.09 118.34 181.16 170.94 161.36 152.38 143.96 136.05 128.
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Additional Checks for Troubleshooting 1 5.10 R3T Temperature – resistance The table below is the thermistor (R3T) temperature – resistance conversion table. Temp. (°C) Resist. (kΩ) — 33 4 5 3–80 ESIE03–01 Temp. (°C) Resist. (kΩ) Temp. (°C) Resist. (kΩ) — 60.0 52.8 130.0 5.4 — -6.0 -4.0 -2.0 — 1120.0 1002.5 898.6 62.0 64.0 66.0 68.0 48.9 45.3 42.0 39.0 132.0 134.0 136.0 138.0 5.4 4.8 4.6 4.3 0.0 806.5 70.0 36.3 140.0 4.1 2.0 4.0 6.0 8.0 724.8 652.2 587.6 530.1 72.0 74.0 76.
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ESIE03–01 5.11 Additional Checks for Troubleshooting Evaluation of abnormal high pressure 1 Abnormally high pressure level is mostly caused by the condenser side. The following contents are provided by service engineer based on their field checks. Further, the number is listed in the order of degree of influence.
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Additional Checks for Troubleshooting 1 5.12 ESIE03–01 Evaluation of abnormal low pressure Abnormally low pressure level is mostly caused by the evaporator side. The following contents are provided based on field checking of service engineer. Further, the number is listed in the order of degree of influence.
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ESIE03–01 5.13 Additional Checks for Troubleshooting Check for Clogged Points Checks 1 Temperature differences must occur before or after the clogged points! 1 3 3 4 5 33 2 RAC Indoor Unit Part 3 – Troubleshooting COMP Outdoor Unit Check points Check factor Causes 1 Temperature difference P Dust P Choked moisture P Reduced effective pipe diameter due to adherent contamination, etc. Around expansion mechanism 4 Remedies Replace the expansion valve.
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Additional Checks for Troubleshooting ESIE03–01 1 33 4 5 3–84 Part 3 – Troubleshooting
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ESIE03–01 4 Part 4 Commissioning and Test Run 3 What is in this part? This part contains the following chapters: Chapter See page 1–Pre-Test Run Checks 4–3 2–Field settings 4–9 3–Test Run and Operation Data 4–33 44 5 Part 4 – Commissioning and Test Run 4–1
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ESIE03–01 1 3 4 5 4–2 Part 4 – Commissioning and Test Run
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ESIE03–01 Pre-Test Run Checks Part 4 1 Pre-Test Run Checks 1.1 What Is in This Chapter? Introduction Overview This chapter contains the following information: P Checks before test run P Test run checks P Setting the address for the receiver of the wireless remote controller P Setting the address for the wireless remote controller. 3 4 This chapter contains the following topics: Topic See page 1.2–Test Run Checks 4–4 1.
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Pre-Test Run Checks 1 1.2 ESIE03–01 Test Run Checks Checks before test run Before carrying out a test run, proceed as follows: Step Action 1 Make sure the voltage at the primary side of the safety breaker is: 2 3 Test run checks 4 5 4–4 P 230 V ± 10% for 1-phase units P 400V ± 10% for 3-phase units. Fully open the liquid and the gas stop valve. To carry out a test run, check the following: P Check that the temperature setting of the remote controller is at the lowest level or test mode.
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ESIE03–01 1.3 Pre-Test Run Checks Setting the Wireless Remote Controller Introduction Setting the address for the receiver 1 To set the wireless remote controller, you have to set the address for: P The receiver of the wireless remote controller P The wireless remote controller. The address for the receiver of the wireless remote controller is factory set to 1. To change this setting, proceed as follows: Step Action 1 Turn OFF the power. 2 Remove the sealing pad on the top of the receiver.
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Pre-Test Run Checks 1 Setting the address for the wireless remote controller ESIE03–01 The address for the wireless remote controller is factory set to 1. To change this setting, proceed as follows: Step Action 1 Hold down the FILTER RESET button and the TEST button for at least 4 s, to go to field set mode. The display indicates the field set mode. 3 4 FILTER RESET TEST 5 2 Press the FAN button to select a multiple setting (A/b), see ‘Multiple settings A/b’ further in this section.
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ESIE03–01 Pre-Test Run Checks Step Action 3 Press the UP and DOWN buttons to set the address. Set the same address as the receiver (1, 2 or 3). The receiver does not work with addresses 4, 5 and 6. 1 UP DOWN 3 4 4 5 Press the RESERVE button to confirm the setting.
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Pre-Test Run Checks 1 ESIE03–01 Step Action 5 Press the TEST button to quit the field set mode and return to the normal display. ON / OFF TEMP TIME ˚C UP DOWN FAN RESERVE CANCEL 3 TIMER MODE SWING /TEST TEST 4 5 Multiple settings A/b When an outside control (central remote controller...) controls an indoor unit, sometimes the indoor unit does not respond to ON/OFF and temperature settings commands from this controller.
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ESIE03–01 Field settings Part 4 2 Field settings 2.1 What Is in This Chapter? Introduction Overview This chapter contains the following information: P How to change the field settings P The field settings P The factory settings. 3 This chapter contains the following topics: Topic See page 2.2–How to Change the Field Settings with the Wired Remote Controller 4–10 2.3–How to Change the Field Settings with the Wireless Remote Controller 4–12 2.
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Field settings 1 2.2 ESIE03–01 How to Change the Field Settings with the Wired Remote Controller Installation conditions The field settings have to be changed with the remote controller according to the installation conditions. Wired remote controller The illustration below shows the wired remote controller.
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ESIE03–01 Setting Field settings 1 To set the field settings, you have to change: P “Mode No.” P “First code No.” P “Second code No.”. To change the field settings, proceed as follows: Step Action 1 Hold down the INSPECTION/TEST button for at least 4 s during normal mode to enter the “Field setting mode”. 2 Press the TEMPERATURE CONTROL button until the desired “Mode No.” appears. 3 P If the indoor unit is under group control, all settings for all the indoor units are set at the same time.
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Field settings 1 2.3 ESIE03–01 How to Change the Field Settings with the Wireless Remote Controller Optional accessories If optional accessories are mounted on the indoor unit, the indoor unit setting may have to be changed. Refer to OH98-2 or the installation manual (optional handbook) for each optional accessory. Wireless remote controller The illustration below shows the wireless remote controller. UP button Mode No. 3 DOWN button Field setting mode RESERVE button First code No.
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ESIE03–01 2.4 Field settings Overview of the Field Settings of the Indoor Units Field settings Mode No. 10 or 20 1 The table below contains the possible field settings of all indoor units. First code No. Second code No. Description of the setting 01 02 03 04 0 Filter counter Light contamination heavy contamination — — 1 Filter type Long Super long External Oil mist 2 Remote thermistor of the remote controller TH1 = rem.
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Field settings 1 2.5 ESIE03–01 Overview of the Factory Settings of the Indoor Units Factory settings Mode No. 10 or 20 3 4 The table below contains the factory settings of all indoor units First code No. Second code No.
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ESIE03–01 2.6 Field settings Setting the Ceiling Height Incorrectly setting 1 If you set the controller incorrectly, a connection mistake malfunction “UA” will appear on the remote controller display. See ’Malfunctioning Field Setting Switch (UA)’ on page 3–69. Mode No. 13 or 23 First code No. 0 Set the second code No., according to the tables below. FHYP Second code No. Ceiling-suspended type 01 Height < 2.7 m 02 2.7 m < height < 3.5 m 03 Not used 3 FAYP Second code No.
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Field settings 1 2.7 ESIE03–01 Setting the Filter Counter Mode No. 10 or 20 First code No. 0 When the filter counter indication time is set to ON, set the second code No., according to the table below Unit 3 Mode No.
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ESIE03–01 2.8 Field settings MAIN/SUB Setting when Using Two Remote Controllers 1 Situation The MAIN/SUB setting is necessary when one indoor unit is controlled by two remote controllers. When you use two remote controllers (control panel and separate remote controller), set one to MAIN and the other to SUB. You can do this by setting the switch on the remote controller’s PCB. Setting The remote controllers are factory set to MAIN, so you only have to change one remote controller from MAIN to SUB.
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Field settings 1 2.9 ESIE03–01 Setting the Centralized Group No. When? If you want to carry out centralized control with a central remote controller and a unified ON/OFF controller, you have to set the group No. for each group with the remote controller. Wired remote controller The illustration below shows the wired remote controller. 3 UNIT No. GROUP SETTING 4 3 4 1 7 5 6 Setting 5 2 To set the “Centralized group No.
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ESIE03–01 Group control for FDYMP indoor units Field settings For group control, cut the jumper indicated as “master/slave” on the PCB of the “slave” indoor units (=slave PCB). Do not cut the jumper on the PCB of the indoor unit to which the remote controller is connected (=master PCB). Master Note 1 Slave It is not necessary to designate an indoor unit address when using group control. Tha address is automatically set when the power is activated.
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Field settings 1 2.10 ESIE03–01 Field settings when using a spare part PCB of Sky-Air L-series outdoor unit When In case the outdoor PCB needs to be replaced by a spare part PCB, it is required to execute below-mentioned field settings to ensure correct operation of the unit. Required action In case of repair using this part, replace the part according to the following instruction: Attention on service! 1 Please be sure to work after turning off all related circuit breakers.
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ESIE03–01 Field settings 1 H/P C/O Please cut jumper J5 as shown in fig. 1 on this page. (Refer to fig. 3 [Nr. 7]) (CAUTION) Please replace the PCB ass.y when it is still included in the resin case. Please reconnect all connectors as before according to the electric wiring diagram.
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Field settings 1 ESIE03–01 Figure 3: The outline drawing of the PCB assembly (including the resin case) [Nr. 1] The attachment position of a capacity setting adaptor (CN26/X26A) [Nr. 2] The connector attachment position for terminal protection (CN14/X14A) [Nr. 3] The attachment position of a short circuit connector (CN12/X12A) [Nr. 4] The attachment position of a short circuit connector (CN9/X9A) 3 [Nr.
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ESIE03–01 2.11 Field settings The Field Setting Levels Introduction The inspection level 1 The three field setting levels are: P Inspection level P Monitoring level P Maintenance mode settings. The inspection level is the highest level of the three field setting levels. You can change the views in the inspection level by pressing the INSPECTION/TEST button. The flow chart below explains the different windows of the inspection level.
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Field settings 1 Possible system settings ESIE03–01 The table below contains the possible system settings, which are displayed on the remote controller if the TEST button is pushed twice shortly.
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ESIE03–01 Field settings Mode No. 1 The table below describes the maintenance mode settings. Function Content and operation method Example of the remote controller display Display malfunction history 40 History error codes The history No. can be changed with the programming time button. Past error code Unit No.
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Field settings 1 2.12 Overview of the Field Settings: R(Y)P71-125L Jumpers The table below contains the jumper field settings. Jumper Label on PCB Function Applicable units J1 Thermo CTR Change thermostat OFF control indoor unit P RP71-125L 4–28 J3 Thermo CTR2 Change thermostat ON control indoor unit P RYP71-125L 4–28 DIP switches 3 4 5 ESIE03–01 See page The table below contains the DIP switch field settings.
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ESIE03–01 BS Field settings 1 The table below contains the BS field setting.
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Field settings 1 2.13 ESIE03–01 Jumpers Input and output The table below describes the input and the output of the jumpers. Item Description Input ∆Tr Output 3 J1 Cooling ∆Tr = Tr - Ts P Tr = indoor unit suction air temp. Heating ∆Tr = Ts - Tr P Ts = temp. set by the remote controller Magnetic switch compressor K1M The function of jumper J1 is to reduce the possibility of thermostat OFF (reduce ON/OFF cycle compr.).
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ESIE03–01 2.14 Field settings DIP switch DS1 DS1-3: Defrost starting condition 1 The table below describes the DIP switch. Setting Illustration Function Factory setting OFF For temperature settings at defrosting, see page 2–40. 1 2 Accumulated operation time for defrost activation = 3 h. Field setting ON 1 3 P Increases the temp. conditions for defrost activation with 4°C. P Changes the accumulated operation time from 3 h to 40 min in order to advance the defrosting operation.
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Field settings 1 2.15 DS2-3: Freeze 1 ESIE03–01 DIP switch DS2 The table below describes the DIP switch. Setting Illustration Function Factory setting OFF Enables the “intelligent” control function. 1 3 Field setting 2 3 4 See page 2–29. 2 3 4 Disables the “intelligent” control function. Freeze-up start/stop decided by indoor unit. (Unit will restart when evaporator temperature reached 70°C for 10 minutes.
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ESIE03–01 DS2-4: Method and illustration Field settings The capacity will be increased when the dip switch DS2-4, mounted on the outdoor PCB, is set to ON .
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Field settings ESIE03–01 1 3 4 5 4–32 Part 4 – Commissioning and Test Run
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ESIE03–01 Test Run and Operation Data Part 4 3 Test Run and Operation Data Introduction Overview 1 This chapter contains the following information: P General operation data P Operation ranges. 3 This chapter contains the following topics: Topic See page 3.1–General Operation Data 4–34 3.2–RP71L7V1, RP71L7W1, RP100L7V1, RP100L7W1 and RP125L7W1 4–36 3.
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Test Run and Operation Data 1 3.1 ESIE03–01 General Operation Data During cooling mode and dry keep 3 The operating conditions must be as follows: Items Operating modes Outdoor temp. P c/o: -15 to +46°CDB P A safety device may stop the operation. P h/p: -5 to +46°CDB P Condensation may occur on the indoor unit and start dripping. Indoor temp. +14 to +28°CWB Indoor humidity 80% If the operation is out this range...
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ESIE03–01 Correlation of Air- Conditioner's Operation Status and Pressure / Running Current Test Run and Operation Data 1 What happens in comparison to normal values is summarized in the table below. (Measured from 15 ~ 20 minutes or more after operation starts.
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Test Run and Operation Data 1 3.2 ESIE03–01 RP71L7V1, RP71L7W1, RP100L7V1, RP100L7W1 and RP125L7W1 Conditions Operation range The illustration in this section is based on the following conditions: P Equivalent piping length: 7.5 m P Level difference: 0 m P Air flow rate: High. The illustration below shows the operation range.
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ESIE03–01 3.3 Test Run and Operation Data RYP71L7V1, RYP71L7W1, RYP100L7V1, RYP100L7W1 and RYP125L7W1 Conditions Operation range: Cooling 1 The illustrations in this section are based on the following conditions: P Equivalent piping length: 7.5 m P Level difference: 0 m P Air flow rate: High. The illustration below shows the operation range.
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Test Run and Operation Data ESIE03–01 1 3 4 5 4–38 Part 4 – Commissioning and Test Run
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ESIE03–01 4 Part 5 Disassembly and Maintenance 3 What is in this part? This part contains the following chapters: Chapter See page 1–Disassembly and Maintenance: Outdoor Units 5–3 2–Disassembly and Maintenance: Indoor Units 5–17 4 55 Part 5 – Disassembly and Maintenance 5–1
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ESIE03–01 1 3 5 5–2 Part 5 – Disassembly and Maintenance
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ESIE03–01 Disassembly and Maintenance: Outdoor Units Part 5 1 Disassembly and Maintenance: Outdoor Units 1.1 What Is in This Chapter? Introduction Overview This chapter contains the following information on the outdoor units: P Exploded views P Components. 1 3 This chapter contains the following topics: Topic See page 1.2–RP71L7V1, RP71L7W1 5–4 1.3–RYP71L7V1 and RYP71L7W1 5–6 1.4–RP100L7V1, RP100L7W1 5–8 1.6–RYP100L7V1, RYP100L7W1 5–12 1.
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Disassembly and Maintenance: Outdoor Units 1 1.2 ESIE03–01 RP71L7V1, RP71L7W1 Exploded view The illustration below shows the exploded view.
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ESIE03–01 Components Disassembly and Maintenance: Outdoor Units 1 The table below contains the components of the exploded view. No. Component No. Component 1 #7029# / #7039# Compressor 35 Terminal strip 2 Rubber cushion pre-assy 36 Capacitor fixing band 3 Sound insulation (for comp/1) 37 Capacitor fixing band 4 Bolt for compressor 38 Comp. Motor capacitor 5 Nut with washer 39 Comp.
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Disassembly and Maintenance: Outdoor Units 1 1.3 ESIE03–01 RYP71L7V1 and RYP71L7W1 Exploded view The illustration below shows the exploded view.
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ESIE03–01 Components Disassembly and Maintenance: Outdoor Units 1 The table below contains the components of the exploded view. No. Component No. Component 1 #7028# / #7039# Compressor 35 El. compo.
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Disassembly and Maintenance: Outdoor Units 1 1.4 ESIE03–01 RP100L7V1, RP100L7W1 Exploded view The illustration below shows the exploded view.
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ESIE03–01 Components Disassembly and Maintenance: Outdoor Units 1 The table below contains the components of the exploded view. No. Component No. Component 1 #7027# / #7038# Compressor 35 Thermistor 2 Sound insulation (for comp/1) 36 Terminal strip 3 Rubber cushion pre-assy 37 Capacitor fixing band 4 Bolt for compressor 38 Capacitor fixing band 5 Nut with washer 39 Comp. Motor capacitor 6 Plate finned coil heat exch as 40 Comp.
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Disassembly and Maintenance: Outdoor Units 1 1.5 ESIE03–01 RP125L7W1 Exploded view The illustration below shows the exploded view.
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ESIE03–01 Components Disassembly and Maintenance: Outdoor Units 1 The table below contains the components of the exploded view. No. Component No.
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Disassembly and Maintenance: Outdoor Units 1 1.6 ESIE03–01 RYP100L7V1, RYP100L7W1 Exploded view The illustration below shows the exploded view.
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ESIE03–01 Components Disassembly and Maintenance: Outdoor Units 1 The table below contains the components of the exploded view. No. Component No.
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Disassembly and Maintenance: Outdoor Units 1 1.7 ESIE03–01 RYP125L7W1 Exploded view The illustration below shows the exploded view.
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ESIE03–01 Components Disassembly and Maintenance: Outdoor Units 1 The table below contains the components of the exploded view. No. Component No.
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Disassembly and Maintenance: Outdoor Units ESIE03–01 1 3 55 5–16 Part 5 – Disassembly and Maintenance
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ESIE03–01 Disassembly and Maintenance: Indoor Units Part 5 2 Disassembly and Maintenance: Indoor Units 2.1 What Is in This Chapter? Introduction Overview This chapter contains the following information on the indoor units: P Exploded views P Components. P Disassembly procedures 1 3 This chapter contains the following topics: Topic See page 2.2–FHYCP35B7V1, FHYCP45B7V1, FHYCP60B7V1 and FHYCP71B7V1 5–18 2.3–FHYBP35B7V1 and FHYBP45B7V1 5–20 2.4–FHYBP60B7V1 and FHYBP71B7V1 5–22 2.
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Disassembly and Maintenance: Indoor Units 1 2.2 ESIE03–01 FHYCP35B7V1, FHYCP45B7V1, FHYCP60B7V1 and FHYCP71B7V1 Exploded view The illustration below shows the exploded view.
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ESIE03–01 Components Disassembly and Maintenance: Indoor Units 1 The table below contains the components of the exploded view. No. Component No. Component B1 Heat exchanger assy E24 Float switch B1.1 Distributor with filter E25 Fan motor B1.2 Single union joint F1 Casing assy B1.3 Single union joint F6 Inspection cover assy B1.4 Flare nut F8 Drain pan assy B1.5 Flare nut F8.
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Disassembly and Maintenance: Indoor Units FHYBP35B7V1 and FHYBP45B7V1 3 Fan assy 55 Accessories The illustration below shows the exploded view. Switch box Exploded view Drain pump assy 1 2.
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ESIE03–01 Components Disassembly and Maintenance: Indoor Units 1 The table below contains the components of the exploded view. No. Component No. Component 1 Top plate assy 31.1 Fan top plate 2 Right plate assy 31.2 Fan housing bottom 3 Left plate assy 31.3 Fan housing top 4 Interchangeable plate 31.4 Rotor assy 5 Small bottom plate 31.4.1 Hexagon socket screw 6 Large bottom plate 31.5 Fan motor 7 Air outlet flange 31.6 Fan motor stand 8 Center stay assy 31.
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Disassembly and Maintenance: Indoor Units FHYBP60B7V1 and FHYBP71B7V1 3 Fan assy 55 Accessories The illustration below shows the exploded view. Switch box Exploded view Drain pump assy 1 2.
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ESIE03–01 Components Disassembly and Maintenance: Indoor Units 1 The table below contains the components of the exploded view. No. Component No. Component 1 Top plate assy 31.1 Fan top plate 2 Right plate assy 31.2 Fan housing bottom 3 Left plate assy 31.3 Fan housing top 4 Interchangeable plate 31.4 Rotor assy 5 Small bottom plate 31.4.1 Hexagon socket screw 6 Large bottom plate 31.5 Fan motor 7 Air outlet flange 31.6 Fan motor stand 8 Center stay assy 31.
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Disassembly and Maintenance: Indoor Units FHYBP100B7V1 and FHYBP125B7V1 Fan assy 3 Accessories The illustration below shows the exploded view. Switch box Exploded view Drain pump assy 1 2.
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ESIE03–01 Components Disassembly and Maintenance: Indoor Units 1 The table below contains the components of the exploded view. No. Component No. Component 1 Top plate assy 31.1 Fan top plate 2 Right plate assy 31.2 Fan housing bottom 3 Left plate assy 31.3 Fan housing top 4 Interchangeable plate 31.4 Rotor assy 5 Small bottom plate 31.4.1 Hexagon socket screw 6 Large bottom plate 31.5 Fan motor 7 Air outlet flange 31.6 Fan motor stand 8 Center stay assy 31.
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Disassembly and Maintenance: Indoor Units 1 2.6 ESIE03–01 FDYP125B7V1 The illustration below shows the exploded view.
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ESIE03–01 Components Disassembly and Maintenance: Indoor Units 1 The table below contains the components of the exploded view. No. Component No. Component 1 Top plate assy 6.20 Terminal strip 2 Fan assy + fan mounting plate 6.21 Thermistor 3 Side plate right 6.22 Thermistor 4 Side plate left 6.23 Tie wrap with clip 5 Service cover assy 6.24 PCB assy 6 Switch box assy 6.25 Power supply transformer 6.1 Switch box fixing plate 6.26 Grounding wire 6.
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Disassembly and Maintenance: Indoor Units 1 2.7 ESIE03–01 FHYP35BV1 and FHYP45BV1 Exploded view The illustration below shows the exploded view.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Components 1 The table below contains the components of the exploded view. No. Component No. Component No. Component B1 B1.1 B1.2 B1.3 B1.4 Evaporator assy Distributor Union joint (gas line) Union joint (liquid line) Flare nut E14 E15 E16 E17 E18 Wire harness (swing motor) Wire harness (power unit) Wire harness (power unit) Thermistor Wire clip F10.1 F10.2 F10.2.1 F10.2.2 F10.2.3 B1.5 B1.6 C1 C1.1 C1.2 C1.3 C1.4 C1.4.1 C1.5 C1.5.1 C1.6 C1.
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Disassembly and Maintenance: Indoor Units 1 2.8 ESIE03–01 FHYP60BV1 and FHYP71BV1 Exploded view The illustration below shows the exploded view.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Components 1 The table below contains the components of the exploded view. No. Component No. Component No. Component B1 B1.1 B1.2 B1.3 B1.4 B1.5 B1.6 C1 C1.1 C1.2 C1.3 C1.4 C1.4.1 C1.5 C1.5.1 C1.6 C1.7 C1.8 C1.9 C1.10 C1.11 C1.
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Disassembly and Maintenance: Indoor Units FHYKP35BV1, FHYKP45BV1, FHYKP60BV1 and FHYKP71BV1 Detail A 3 Switch box The illustration below shows the exploded view. Accessories Exploded view Remote controller 1 2.
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ESIE03–01 Components Disassembly and Maintenance: Indoor Units 1 The table below contains the components of the exploded view. No. Component No. Component 1 Top plate 22.6 Fan motor 2 Partition plate drain pump 22.7 Motor base 3 Side plate fan chamber 22.8 Fan shaft 4 Front plate assy 22.9 Coupling 5 Wiring cover 22.
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Disassembly and Maintenance: Indoor Units 1 2.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 3 Grip the suction grille hinge strongly and remove the suction grille.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Electrical Parts and PC Boards ESIE03–01 Step Action 1 Loosen the 2 screws of the control box cover and remove the control box cover. 2 Remove the 2 screws of the control box.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 3 Pull down the control box and let it hang by the 2 locations in the rear. Electrical parts can now be removed. 1 Control box Rear panel 3 4 Disconnect the connector mounted on the PC board.
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Disassembly and Maintenance: Indoor Units 1 ESIE03–01 Step Action 6 Slide the PC board to the left away from the tabs on the right, and remove the PC board. Step Action 1 Gently bend the support plate located at the center of the horizontal blade, and detach the 3 How to remove the Horizontal Blade center shaft. (Two shafts provided on Types 140 and 160.) 55 Reassembling precautions The shaft at the right end of the horizontal blade is cut in D shape.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 2 Then gently bend the center of the horizontal blade, and take both the end shafts out of 1 their bearings. 3 * When removing the horizontal blade from the bearings at both ends, be careful not to get the blow port thermal insulation scratched.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Fan Rotor and Motor ESIE03–01 Step Action 1 Push the 2 tabs of the fan housing towards the inside with your fingers and pull out the fan housing. 3 55 Fan housing 2 Loosen the 2 hexagon set screws of the intermediate bearing..
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 3 Slide the intermediate bearing to the right and remove the fan rotor assembly. 1 3 4 Cut off the tie-wrap of the glass tube cover over the fan motor connector. Slide the glass tube and get the connector exposed. 5 Disconnect the 2 fan motor connectors. 6 Remove the 2 fan motor fasteners.. 55 Glass tube 7 Remove the fan motor.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Fan Bearing ESIE03–01 : Step Action 1 Remove the left sidepanel installation screw. Left side panel Fan rotor 3 * Remove the fan rotor according to the procedures for removing the fan rotor and fan motor. Left side panel 55 2 Slide the left side panel toward the front of the unit and remove; 3 Remove the 2 bearing installation screws and remove the bearing.
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ESIE03–01 How to remove the Bottom Panel and Drain Pan Disassembly and Maintenance: Indoor Units 1 : Step Action 1 Remove the 7 bottom panel installation screws (2 each on the left and right, 3 in the rear), and remove the bottom panel. 3 * Remove the rear surface screws (2 each on the left and right), and remove the center screw while supporting the bottom panel from underneath. 2 55 Let down the rear of the bottom panel, push out toward the front (removed from the hooking part) and remove..
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Disassembly and Maintenance: Indoor Units 1 Step Action 3 Remove the drain pan retainer (2 screw).
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ESIE03–01 How to remove the Swing Motor Disassembly and Maintenance: Indoor Units 1 : Step Action 1 Remove the screw from the right side panel. Slide the right side panel toward the front and detach it. 2 Cut off the tie-wrap of the swing motor connector.. 3 Tie-wrap 3 Disconnect the connector from the swing motor connector.
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Disassembly and Maintenance: Indoor Units 1 ESIE03–01 Step Action 4 Remove the screw from the swing motor. The swing motor has two projections on it. Lower the swing motor and take it out. D-shaped cut Projections 3 * When reassembling, fit the horizontal blade shaft end to the D-profiled bearing. Apply the tie-wrap to the connectors to secure them in place.
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ESIE03–01 2.
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Disassembly and Maintenance: Indoor Units 1 ESIE03–01 Step Action 3 To remove air filter, lift the tabs up at the same time and pull it forward.
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ESIE03–01 How to remove the Suction Grille Disassembly and Maintenance: Indoor Units 1 : Step Action 1 Unhook two drop-prevention strings while supporting suction grille with hand. 3 2 Open suction grille forward for approx. 45 degree. 55 45 deg.
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Disassembly and Maintenance: Indoor Units 1 ESIE03–01 Step Action 3 Disengage three hooks located at rear side of the grille to remove suction grille.
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ESIE03–01 How to remove the Fan Disassembly and Maintenance: Indoor Units 1 : Step Action 1 Remove two mounting screws to dismount switch box cover. Switch box cover 3 2 Remove suction air temperature thermistor attached to bell mouth.
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Disassembly and Maintenance: Indoor Units 1 ESIE03–01 Step Action 3 Bell mouth is mounted with tree screws.Loosen a screw located at diagonal position to the pipings and remove other two screws. Loosen this screw 3 To remove bell mouth, loosen this screw and slide bell mouth to right side 55 5–52 Remove this screws 4 Remove bell mouth by sliding to piping direction. 5 To dismount fan, remove washer based nut using double-ended wrench.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 6 Remove fan by pulling down.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Fan Motor ESIE03–01 : Step Action 1 Removing fan motor: a. Disconnect connector. b. Remove lead wire retaining plate. 3 Lead wire retaining plate 55 Caution Fan motor can be removed without removing the lead wire retaining plate. However, when washing the heat exchanger, this plate should be removed and protect the lead wires. 2 5–54 Remove screws for mounting fan motor.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 3 Remove motor by pulling down.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Drain Pan ESIE03–01 : Step Action 1 To dismount three corner sections A, B and C, remove a flocked screw. 3 * Be sure to use flocked screw when reassembling Screws (three locations) Corner section (A, B and C) Corner section at piping side P 2 Remove suction grille according to the Removal of air filter and that of suction grille. Remove three flocked screws to dismount corner section D.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 3 Disconnect wires and connectors from PCB. 1 To power supply PCB To connecting wire terminal strip Heat exchanger thermistor Suction air thermistor Fan motor Swing motor LED lamp (green) Remote controller terminal strip 3 LED lamp (green) Drain pump Earth terminal for remote controller Earth Connecting wire terminal strip 4 Arrange wire harness to avoid interference with next process.
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Disassembly and Maintenance: Indoor Units 1 ESIE03–01 Step Action 5 To dismount drain pan blocking plate, remove each two mounting screws located at four corners. 3 6 Remove drain pan by pulling it down.
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ESIE03–01 How to remove the Drain Pump Disassembly and Maintenance: Indoor Units 1 : Step Action 1 Drain pump is located at piping side. Cut clamp material of hose, and disconnect hose from pump. Drain pump Float switch 3 Clamp material (Tielap) Caution When reconnect drain hose with the pump, secure hose at joint using clamping materialsuch as Tielap. (Clamping material should be normally included in the stock items.) 2 Remove four screws to dismount drain pump.
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Disassembly and Maintenance: Indoor Units 1 ESIE03–01 Step Action 4 Removing float switch: a. Loosen three mounting screws to remove drain pump mounting base. b. Remove two screws located at opposite side of drain pump mounting base to dismount float switch.
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ESIE03–01 How to remove the Swing Motor Disassembly and Maintenance: Indoor Units 1 : Step Action 1 Swing motor is located at the diagonal position of piping 2 Remove two mounting screws for swing motor cover 3 Remove swing motor cover by holding two tabs on the cover. Swing motor section Air flow control blade 3 Tabs P Remove suction grille according to the removal of suction grille Screws 55 4 Remove two screws to dismount swing motor.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Air Flow Control Blade ESIE03–01 : Step Action 1 To remove horizontal blade, press down tabs located at both end of blade and pull them forward. 3 55 2 5–62 Remove horizontal blade.
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ESIE03–01 2.
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Disassembly and Maintenance: Indoor Units 1 ESIE03–01 Step Action 2 To remove the air filter, push up the tab and pull down the filter. Front panel 3 3 55 P The air filter is free from the side of left or right. P It is easy to install if inserting along the guide. Disengage the holding section on upper right of the panel by pushing toward left, then slide toward right to remove the front panel.
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ESIE03–01 How to remove the Front Grille Disassembly and Maintenance: Indoor Units 1 : Step Action 1 Remove three pieces of front grille fixing screws. P Removing the front panel in accordance with "Removal of Front Panel". 3 Front grille 2 Remove the front grille by pulling forward while pushing three hooks located at upper part of the grille one by one. P If hard to remove, try to push the hooks by a screwdriver or the like to remove.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Horizontal Blade and Vertical Blade ESIE03–01 : Step Action 1 Removing the horizontal blade: 1. Open the horizontal blade 2. Bend the horizontal blade slightly to disengage the fixing part at right side 3. Pull the horizontal blade rightward and take it out .
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 1 Removing the vertical blade: 1 1. Disengage the protrusion on upper side of blade from holder plate. (Three locations). 2.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Electrical Box ESIE03–01 : Step Action 1 1. Remove the screw on the service cover 2. Remove the screw on the drip proof plate 3. Remove the screw for the grounding wire. Drip proof plate screw Service cover screw 3 Vertical blade P 55 2 Removing the front grille in accordance with "Removal of Front Grille". 1. Remove the following connectors: - Fan motor connector - Air swing motor connector. 2.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 3 1. Remove the fixing screw for switch box 1 2. Pull forward the switch box holding lower part of the box.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Heat Exchanger : Step Action 1 Press strongly the claws on both left and right sides of heat exchanger toward inside. Remove clip from back side.. P 3 ESIE03–01 Removing the front grille in accordance with "Removal of Front Grille". P Removing the switch box in accordance with "Removal of Switch Box". P Pay attention not to soil the floor with residual drain.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 2 To remove the heat exchanger, pull it upward. 1 3 Caution When removing or reinstalling the heat exchanger, be sure to wear gloves or wrap the heat exchanger with cloth or the like. (Otherwise, the fins may injure your hand.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Fan Motor and Fan Rotor ESIE03–01 : Step Action 1 Removing the fan motor: 1. Insert a Phillips tip screwdriver into the air outlet and remove the screws fixing the fan motor and fan rotor (The screws can be removed without removing of horizontal blade.) 2. Remove the two screws on the bearing cover (1) and (2) and dismantle the covers 3.
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ESIE03–01 How to remove the Air Swing Motor Disassembly and Maintenance: Indoor Units 1 : Step Action 1 1. Disconnect the air swing motor connector in the electrical box 2. Remove the screw which fixes the air swing motor.. P Removing the front grille in accordance with "Removal of Front Grille". Swing motor 3 2 Pull the air swing link assembly to the left strongly to dismantle.
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Disassembly and Maintenance: Indoor Units 1 How to remove the Drain Hose Piping to the Left ESIE03–01 : Step Action 1 1. Pull out the drain hose attached on the rear right of the unit 2. Pull out the drain plug and drain socket attached on the rear left of the unit.. P Removing the front grille in accordance with "Removal of Front Grille" 3 Drain hose Drain socket 55 Drain plug P 2 The drain pan and bottom frame are designed as an integral type. Piping of Drain Hose at Left Side.
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ESIE03–01 Disassembly and Maintenance: Indoor Units Step Action 3 Insert the drain plug and drain socket into the right side of the unit with hexagonal pinwrench. 1 Hexagon wrench P 3 Insert the drain plug and socket securely as far as it will go.
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Disassembly and Maintenance: Indoor Units ESIE03–01 1 3 55 5–76 Part 5 – Disassembly and Maintenance
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ESIE03–01 Index 1 Numerics 4-way valve control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . k 2–46 3 A A1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A6 .
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ESIE03–01 1 D defrost control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . k 2–40 diameters, pipe connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . k 1–63 dimensions indoor units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . k 1–13 outdoor units . . . . . . .
PAGE 387
ESIE03–01 1 forced operating mode general . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . k 2–7 forced thermostat OFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . k 2–13 freeze-up function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAGE 388
ESIE03–01 1 M MAIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . malfunctions indoor error codes overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . outdoor error codes overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . system error codes overview. . . . . . . . . . . . . . . . . . . .
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ESIE03–01 1 setting address for receiver of wireless remote controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . k 4–5 address for wireless remote controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . k 4–6 ceiling height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . k 4–15 centralized group No. . . . . . . . . . . . . . . . . . . . . . . . . . . .
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ESIE03–01 1 3 4 5 vi Index