Manual No.
CONTENTS 1. GENERAL INFORMATION ........................................................................... 1 1.1 Specific features .................................................................................... 1 1.2 How to read the model name ................................................................ 1 1.3 Table of models ...................................................................................... 2 1.4 Table of system combinations...............................................
1 GENERAL INFORMATION 1.1 Specific features Ideal for the installation conditions characteristic of larger rooms and L-shaped or other non-standard-shaped rooms, the Multi-Type V series allows an extensive degree of flexibility in the selection of indoor units. Specifically, the selection of indoor units with differing capacities and differing or similar types is supported, as is the selection of indoor units with similar capacities and differing types.
1.3 Table of models Capacity Model 208 258 308 408 508 Ceiling recessed type (FDT) Cassetteria type (FDR) Ceiling mounted duct type (FDUR) Outdoor unit to be combined(FDC) FDCP808HES3 (8 Horse Power) FDCP1008HES3 (10 Horse Power) 1.
2 SELECTION DATA 2.
Models FDT308-A, 408-A, 508-A Model FDT308-A FDT408-A W 7100 10000 12500 W 8000 11200 14000 dB(A) Hi: 41 Lo: 35 Item (1) Nominal heating capacity(1) Nominal cooling capacity Power source FDT508-A 1 Phase 220/240V 50Hz Noise level Exterior dimensions Height Width Depth Unit:260 Panel:30 mm Net weight kg 840 950 Hi: 48 Lo: 40 840 950 Hi: 49 Lo: 43 Unit:320 Panel:30 30(Unit:24 Panel:6) 34(Unit:28 Panel:6) Refrigerant equipment Heat exchanger Louver fine & inner grooved tubing Ref
(b) Cassetteria type (FDR) Models FDR208-A, 258-A Model FDR208-A Item Decorative panel Panel model (Option) FDR258-A Silent panel Canvas panel Silent panel Canvas panel R-PNLS-26W-E R-PNLC-26W-E R-PNLS-36W-E R-PNLC-36W-E Nominal cooling capacity(1) W 5000 Nominal heating capacity(1) W 5400 5700 6100 Power source 1 Phase 220/240V 50Hz dB(A) Noise level Exterior dimensions Height Width Depth Net weight mm kg Hi: 43 Lo: 37 Hi: 44 Lo: 38 Hi: 43 Lo: 37 Hi: 44 Lo: 38 Unit:355 750 635 Un
Models FDR308-A, 408-A Model FDR308-A Item Decorative panel Panel model (Option) FDR408-A Silent panel Canvas panel Silent panel Canvas panel R-PNLS-36W-E R-PNLC-36W-E R-PNLS-46W-E R-PNLC-46W-E Nominal cooling capacity(1) W 7100 Nominal heating capacity(1) W 8000 10000 11200 Power source 1 Phase 220/240V 50Hz dB(A) Noise level Exterior dimensions Height Width Depth mm Net weight kg Hi: 44 Lo: 38 Hi: 45 Lo: 39 Hi:45 Lo: 38 Unit:35 Panel:8 Unit:35 Panel:6 Unit:50 Panel:9 Refrige
Model FDR508-A Model FDR508-A Item Decorative panel Panel model (Option) Nominal cooling capacity(1) W Nominal heating capacity(1) W Silent panel Canvas panel R-PNLS-46W-E R-PNLC-46W-E 12500 14000 Power source 1 Phase 220/240V 50Hz Noise level Exterior dimensions Height Width Depth Net weight dB(A) Hi: 46 Lo: 39 mm Unit:406 1370 635 Panel:10 1660 750 kg Unit:52 Panel:9 Hi: 47 Lo: 40 Unit:(350+α) 1370 635 Panel:10 1484 585 Unit:52 Panel:7 Refrigerant equipment Heat exchanger Louver fins
(c) Ceiling mounted duct type (FDUR) Models FDUR208-A, 258-A Model FDUR208-A FDUR258-A W 5000 5700 W 5400 Item (1) Nominal heating capacity(1) Nominal cooling capacity 6100 Power source 1 Phase 220/240V 50Hz dB(A) Noise level Exterior dimensions Height Width Depth Net weight Hi: 40 Lo: 36 Hi: 41 Lo: 37 mm 295 kg 850 650 39 40 Refrigerant equipment Heat exchanger Louver fins & inner grooved tubing Refrigerant control Capillary tube Air handling equipment Fan type & Q'ty Multibla
Models FDUR308-A, 408-A, 508-A Model FDUR308-A FDUR408-A FDUR508-A W 7100 10000 12500 W 8000 11200 14000 Item (1) Nominal heating capacity(1) Nominal cooling capacity Power source 1 Phase 220/240V 50Hz Hi: 41 Lo: 37 dB(A) Noise level Exterior dimensions Height Width Depth Net weight mm 295 850 Hi: 44 Lo: 40 350 650 40 kg Hi: 45 Lo: 41 1370 63 65 Refrigerant equipment Heat exchanger Louver fine & inner grooved tubing Refrigerant control Capillary tube Air handling equipment F
(2) Outdoor unit Models FDCP808HES3, 1008HES3 Model Item FDCP808HES3 FDCP1008HES3 3 Phase 380/415V 50Hz Power source Nominal cooling capacity(1) W 20000 25000 Nominal heating capacity(1) W 22400 28000 Noise level Exterior dimensions Height Width Depth Net weight mm kg Refrigerant equipment compressor type & Q' ty Motor 58 dB(A) 1450 205 1 CB125H Line starting W 70 Slitted fines & bare tubing Heat exchanger Refrigerant control Capillary tube Refrigerant Quantity R407C kg 4.
(3) Operation chart Regarding the operation characteristics of the twin unit of the same model and with the same capacity, please refer to the nameplate on the equipment. For any other combinations (Twin, triple or double-twin of different models and different capacities), please calculate based on the following operaion characteristics. (See page 12.) (a) Operating characteristic of outdoor unit (380 V/415 V) Model Item FDCP808HES3 FDCP1008HES3 8.20/8.38 12.36/12.42 7.78/7.86 11.22/11.43 13.3/13.
3) Total power factor — Total power factor (%) = [Total power input (W) / √ 3 × Total running current (A) × Power source] × 100 Total operation characteristics = Operation characteristic value of outdoor unit + Operation characteristic value of indoor unit [Example] (Conditions) Operation Voltage ········ Indoor unit: 220 V, 50 Hz Outdoor unit: 380 V, 50 Hz Operation mode ··········· Cooling and Heating Unit·······························Outdoor unit: FDCP808HES3 × 1 unit Indoor unit: FDUR308-A × 1 units,
Height and length restrictions for refrigerant piping Model FDCP808, 1008HES3 (Twin type) Outdoor unit L (Double-twin type) Outdoor unit Indoor unit ra Indoor unit rd rc rb A rb B ra L r1 rA (Triple type) Outdoor unit L r2 Indoor unit ra A B rB rC C rD D A rb B rc C In the illustration the L is main piping and ra, rb, rc, and rd are branch piping.
2.3 Exterior dimensions (1) Indoor unit (a) Ceiling recessed type (FDT) Model FDT208-A Unit : mm 740 (Ceiling hole size) Decorative Panel 430 Fresh air opening for ducting 800 (Suspension bolts pitch) C 515 → 680 (Suspension bolts pitch) Exhaust air opening for ducting → 295 359 336 D 570 B→ 264 700 VIEW A Gas piping φ15.88(5/8") → Hole for wiring A 215 141 99 49 or more 295 ~ 325 Liquid piping φ6.
Models FDT258-A, 308-A Unit : mm Decorative Panel Fresh air opening for ducting ↑ C 860~890 (Ceiling hole size) 950 780 (Suspension bolts pitch ) 630 400 420 637 D→ 422 675 (Suspension bolts pitch) Exhaust air opening for ducting B→ Air inlet grille 267 Drain hose (Accessories) (Connectable with VP25) 332 310 VIEW A Air outlet grille Liquid piping φ9.52(3/8") 840 ↑ A Hole for wiring Control box 260 700 or less (Max.
Models FDT408-A, 508-A Unit : mm Decorative Panel Fresh air opening for ducting ↑ C 860~890 (Ceiling hole size) 950 780 (Suspension bolts pitch ) 630 400 420 637 D→ 422 675 (Suspension bolts pitch) Exhaust air opening for ducting B→ Air inlet grille 267 Drain hose (Accessories) (Connectable with VP25) 332 310 VIEW A Air outlet grille Liquid piping φ9.52(3/8") 840 ↑ A Hole for wiring Control box 320 700 or less (Max.
(b) Cassetteria type (FDR) Model FDR208-A Silent Panel (Model: R-PNLS-26W-E) Unit : mm 980 (Ceiling hole size) 57 786 (Suspension bolts pitch) 433 Drain hose (Accessories) 137 (Locality) 353 Fresh air opening (Knock out hole) 284 71 150 480 465 405 102 81 ↑A 213 MIN320 0 φ20 Drain (Natural drainage) (VP20) Hole of wiring (I.D. φ35) 250 460 213 Holes of tapping screws 4-φ 4.
Model FDR208-A Canvas Panel (Model: R-PNLC-26W-E) Drain hose (Accessories) 804 (Ceiling hole size) 9 Unit : mm 786 (Suspension bolts pitch) (Local Locality) 9 45 150 193 Drain (Connectable with VP25) Control box 352 Panel center Liquid piping φ6.35 (1/4") 405 VIEW C 59 Air outlet duct 71 295~325 750 320 245 480 Hole for humidifier piping (I.D.φ14) 465 405 Drain (Connectable with VP25) 260 199 B→ 274 299 600 35 635 510 149 185 80 40 Suspension bolts (M10 × 4pcs.) (Max.
Models FDR258-A, 308-A Unit : mm Silent Panel (Model: R-PNLS-36W-E) 1180 (Ceiling hole size) 986 (Suspension bolts pitch) 57 533 137 453 Drain hose (Accessories) (Locality) Fresh air opening (Knock out hole) 45 285 150 VIEW C (Max. Drain up) 295~325 950 165 500 71 Air outlet duct Suspension bolts (M10 × 4pcs.) 690 (Ceiling hole size) 45 545 270 Control box Panel center (Suspension bolts pitch) 275 59 75 69 C↓ 70 284 285 215 635 510 480 465 Hole for humidifier piping (I.D.
Models FDR258-A, 308-A Canvas Panel (Model: R-PNLC-36W-E) Unit : mm Drain hose (Accessories) (Locality) 1004 (Ceiling hole size) 986 (Suspension bolts pitch) Fresh air opening (Knock out hole) 45 150 193 69 352 Panel center Control box 500 VIEW C 59 950 285 285 215 635 510 Hole for humidifier piping (I.D.φ14) 480 465 405 Drain (Connectable with VP25) 199 260 B→ 274 299 35 600 149 165 295~325 80 40 Suspension bolts (M10 × 4pcs.) (Max.
Models FDR408-A, 508-A Silent Panel (Model: R-PNLS-46W-E) Unit : mm 1600(Ceiling hole size) Drain hose(Accessories) 1406(Suspension bolts pictch) 57 743 137 (Locality) 663 Fresh air opening 284 Air outlet duct 70 150 690(Ceiling hole size) 45 45 Panel center 545 (Suspension bolts pictch) Control box 495 VIEW C 75 275 58 270 (Knock out hole) 69 C 76 80 320 320 235 (I.D.
Models FDR408-A, 508-A Canvas Panel (Model: R-PNLC-46W-E) Unit : mm Drain hose(Accessories) 1424(Ceiling hole size) 1406(Suspension bolts pictch) 9 Fresh air opening (Locality) 9 (Knock out hole) 150 45 C 193 69 352 Panel center Control box 495 VIEW C 59 71 Suspension bolts 80 1370 (M10 × 4 pcs.) 320 320 320 235 (I.D.
(c) Ceiling mounted duct type Models FDUR208-A, 258-A, 308-A Unit : mm Air inlet duct (Low of suspension lug) 886 (Suspension bolts pitch) 850 (Duct for dimension) 45 560 (Suspension bolts pitch) 295 18 25 245 25 240 475 420 480 35 525 80 30 18 650 145 (Duct for dimension) Control box Suspension bolts (M10 × 4pcs) 70 45 30 Liquid piping ø9.52 (3/8”) 58 Air outlet duct 71 25 Gas piping ø15.
Models FDUR408-A, 508-A Unit : mm Air inlet duct (Duct for dimension) (Low of suspension lug) Control box Suspension bolts (M10 × 4pcs) 173 1406 (Suspension bolts pitch) 1370 (Duct for dimension) 350 18 300 25 25 475 240 420 525 35 480 80 30 45 650 560 (Suspension bolts pitch) 18 70 25 58 45 30 Liquid piping ø9.52 (3/8”) 77 100 Gas piping ø19.
(2) Remote controller (Optional parts) Unit : mm Wall 0.3mm2, 3cores (O.D.φ5.6) Wire (Recessed) LCD display Junction box (Locally Purchased) 120 16 Remote controller mounting dimensions 120 60 46 47 17 7 120 89 83.5 For the passage after wiring Note (1) Allowable length of remote controller cable: 600 m Allowable rang of wire thickness and length Standard Within 0.3 mm2 0.5 mm2 0.75 mm2 1.
(3) Outdoor unit Unit: mm Models FDCP808HES3, 1008HES3 1350 Opening for exit wiring (ø50) 1450 50 600 A Connect of liquid piping 808: ø12.7 (1/2") 1008: ø15.58 (5/8") ( ) 80 Power supply connecting terminal block 170 105 105 119 20 291.5 Opening for exit piping (ø88) Opening for exit wiring (ø50) 80 Connect of gas piping 170 ø25.4 (1") ( 1008:808:ø28.58 (1 1/8") ) 250 Anchor bolts (M10 × 4pcs.
2.
2.5 Piping system (1) Twin type Models FDCP808HES3,1008HES3 Indoor unit Flare connecting Indoor unit Service valve (Brazing) Branch pipe (Brazing) Strainer Strainer 308 : ø15.88 (408,508 : ø19.05) 308 : ø15.88 (408,508 : ø19.05) Cooling cycle Outdoor unit Heating cycle High pressure switch(63H2) (For fan motor control) Thermistor (ThO-A) Gsa line 808 : ø25.4 (1008 : ø28.
(3) Dauble twin type Models FDCP808HES3,1008HES3 Branch pipe (Brazing) Strainer (ø15.88) Strainer Cooling cycle Heating cycle Flare connecting Indoor unit Indoor unit (ø15.88) Secondary branch pipe (ø15.88) Thermistor (ThI-A) Service valve (Brazing) First branch pipe (ø19.05) High pressure switch(63H2) (For fan motor control) Gsa line 808 : ø25.4 (1008 : ø28.
2.6 Selection chart Correct the cooling and heating capacity in accordance with the conditions as follows. The net cooling and heating capacity can be obtained in the following way. Net capacity = Capacity shown on specifications × Correction factors as follows. temperature (˚CD.B.) Heating operation Indoor air D.B. Cooling operation Outdoor air D.B. temperature (˚CD.B.
(2) Correction of cooling and heating capacity in relation to air flow rate control (fan speed) Coefficient: 1.00 at High, 0.95 at Low (3) Correction of cooling and heating capacity in relation to one way length of refrigerant piping It is necessary to correct the cooling and heating capacity in relation to the one way equivalent piping length between the indoor and outdoor units. Equivalent piping length(1) m 7.5 10 15 20 25 30 35 40 45 50 55 Heating 1.0 1.0 1.0 1.0 1.0 0.998 0.998 0.
2.
Model FDR308-A Model FDR408-A 120 120 100 100 80 ed 80 e sp gh Hi igh H • ed spe imit h l g Hi pper U Static pressure (Pa) rd • it ndar lim a t H S ppe Lo igh U w sp • • ow Square duct blower internal resistance Square duct blower internal resistance –20 Internal resistance without suction panel Internal resistance without suction panel Internal resistance without filter Internal resistance without filter 17 20 21 22 Lower limit 22 Upper limit Air flow (m /min) 3 Model FDR508-A 120
(2) Ceiling mounted duct type (FDUR) Model FDUR208-A Model 120 120 110 110 100 100 80 60 Standard pressure 50 70 60 13 12 14 30 20 10 15 17 16 Lower limit 18 Standard air flow 0 19 17 18 19 Model 200 180 180 160 160 80 Hi gh sp ee dHi gh imit er l -Low d e e h sp Hig 23 Upper limit FDUR408-A 60 50 40 it er lim -Upp dard n a t S 29 ee - 34 - d- Hi gh it r lim owe L eed h sp Hig 31 33 34 35 37 Standard air flow Air flow(m3/min) Air flow(m3/min) sp igh 27 L
Model FDUR508-A 200 180 160 120 gh Hi 100 80 Standard pressure it lim er pp U ed spe Hi gh sp ee dHi gh w Lo dee sp gh Hi Static pressure (Pa) 140 limit pper rd-U a d n Sta ow rd-L nda Sta gh Hi dee sp gh Hi 60 50 40 limit ower ed-L e p s High 20 0 33.5 35.5 37.5 39.5 41.5 43.5 45.5 47.5 49.5 Lower 50 42 limit Upper Standard air flow limit Air flow(m3/min) 2.8 Noise level Notes (1) The data are based on the following conditions. Ambient air temperature: Indoor unit 27˚C DB, 19˚C WB.
Model FDT508-A Model FDT408-A Noise level 49 dB (A) at HIGH 43 dB (A) at LOW Noise level 48 dB (A) at HIGH 40 dB (A) at LOW 70 70 70 70 N70 60 60 N60 50 50 N50 40 40 N40 30 30 N30 N2 0 20 63 125 250 500 1000 2000 Sound pressure level (Standard 0.0002µ bar) dB Sound pressure level (Standard 0.
Model FDR408-A Model FDR508-A Noise level 46 dB (A) at HIGH 39 dB (A) at LOW 70 Noise level 47 dB (A) at HIGH 40 dB (A) at LOW 70 70 70 N70 60 60 Sound pressure level (Standard 0.
3 ELECTRICAL DATA 3.
(c) Ceiling mounted duct type (FDUR) Models All models L CnT 220/240V PC Option XR3 XR4 CnN CnH CnH2 BK BK BK BK ThI–A ThI–R BK BK RD RD CnN SW1 FS CFI CnF2 CnF1 CnR ON SW2 1 2 3 4 CnI OFF ON SW3 1 2 3 4 WH WH Y / GN Y / GN CnF1 CnI DM WH Y / GN Y / GN H UH FMI XR1 XR2 XR5 CnQ Test 13 CnR CnF1 (49FI) CnF2 4 CnS BL BL BL/WH RD RD BK BL CnF2 6 7 OFF CnB 8 GR 3 GR PC GR 14 12V BR CnW2 BK CnW1 X2 GR BR X3 BR/WH 10 Y BL Y 5 9 X1 X4 X7 X2 X
4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER (1) Wired remote controller Models FDT, FDR, FDUR series FDR and FDUR series are not provided with AUTO SWING switch. Panel shown below will appear if you open the cover. All contents of display on the LCD are indicated simultaneously for the purpose of explanation. Pull the knob on the cover to this side to open it downward. Filter sign Operation mode display When this sign is indicated, clean the filter.
(2) Outline of microcomputer control function (a) Operation control function by the indoor controller 1) Room temperature control (Differential of thermostat) Heating operation Cooling operation ON (52C) OFF (52C) +1 Set temp.by thermostat -1 2) OFF (52C) -1 +1 Set temp.by thermostat Temperature difference between thermostat set temp. Temperature difference between thermostat set and return air temp. (Detected by Th I-A) temp. and return air temp.
4) Dehumidifying operation (“THERMAL DRY”) The compressor, the indoor fan motor and the outdoor Operation block fan motor are operated intermittently under thermistor (ThI-A) control according to the appropriate operation block, to provide cooling operation for the dehumidi- D fying. C B -2 Low A +3 High Pattern of operation Set temp.
6) FM control with the heating thermostat turned off (For cold draft prevention) In order to prevent a cold draft while the heating thermostat is turned off, the indoor blower is controlled in response to the temperature of the indoor heat exchanger as illustrated below. It should be noted that if SW3-4 on the indoor PCB is turned off, the indoor blower will stop so far as the temperature of the indoor heat exchanger is lower than 40˚C. It will be turned to the Lo operation 5 minutes later.
10) Frost prevention during cooling In order to prevent the frosting during cooling operation, the temperature of indoor unit heat exchanger (detected by ThI-R) is checked 9 min, after the compressor operation start and the unit operation. This cycle is not operated for 9 min. after the resetting of this frost prevention mechanism. Cooling operation OFF (52C) 2.
b) Detection of heat exchanger thermistor disconnection ¡ If a disconnection is detected on the heat exchanger thermistor in 20 seconds after the compressor has been operating for 2 minutes, the compressor is stopped. If a second disconnection on the heat exchanger thermistor line is detected within 60 minutes, there is emergency stop. Note (1) If the first disconnection on the heat exchanger thermistor is detected for a period 6 continuous minutes, there is emergency stop.
b) Control of input signal (Make sure to connect the standard remote control unit. Control of input signal is not available without the standard remote control unit.) Control of input signal (switch input, timer input) connectors (CNT) are provided on the control circuit board of the indoor unit. However, when the operation of air conditioner is under the Center Mode, the remote control by CnT is invalid. At shipping from factory (J5 (SW5-2) on PCB OFF) ¡ Input signal to CnT OFF → ON [Edge input] ...
¡ Keeping the louvers horizontal during heating While HOT KEEP is displayed (during hot start operation or when the thermostat has turned off during heating operation), the louvers stay in the horizontal position to prevent cold drafts, independent of the setting of the AUTO SWING key (auto swing or stop). The louver position display of LCD displays continuously the original position before this control operation.
(b) Operation control function by the wired remote controller (i) The following is the sequence of operation for the remote controller operation mode switch. DRY (ii) COOL FAN HEAT AUTO CPU reset This functions when the " inspection " and " filter reset switch " on the remote controller are pushed simultaneously. It operates in the same manner as the power reset. (iii) Power outage compensation function. ¡ This is enabled by setting dip switch SW3 on the remote control circuit board to ON.
(c) Operation control function by the outdoor controller 1) Control for outdoor unit fan a) Cooling Operation The speed of the fan for the outdoor unit is controlled by the temperature of the heat exchanger (Tho-R detection) and the outdoor air temperature (Tho-A).
3) Defrost control (Only heat pump type) Defrost operation will start when the temperature of the heat exchanger for the outdoor unit (Tho-R detection) and the Heat exchanger temperature outdoor air temperature (Tho-A detection) enter the start of defrost range shown in the figure below. Initiation temp. of defrosting (Detected by Tho-R, Tho-A) -5 -10 ing ost em -15 -20 p. of Zone for initiate temp.
5) Abnormal high-pressure protection a) If the pressure rises and 63H1 is operated (opened), the compressor is stopped. After a 3-minute delay, the compressor is restarted. An abnormal stop is performed when 63H1 is opened 5 times within 60 minutes of the first operation. e Restore after repairing. b) An abnormal stop is performed at the first occurrence if 63H1 remains open after 60 minutes have passed from the first time the compressor was stopped.
5 APPLICATION DATA SAFETY PRECAUTIONS • Please read these “Safety Precautions” first then accurately execute the installation work. • Though the precautionary points indicated herein are divided under two headings. WARNING and CAUTION , those points which are related to the strong possibility of an installation done in error resulting in death or serious injury are listed in the WARNING section.
5.1 Installation of indoor unit NOTICE All Wiring of this installation must comply with NATIONAL, STATE AND LOCAL REGULATIONS. These instructions do not cover all variations for every kind of installation circumstance. Should further information be desired or should particular problems occur, the matter should be referred to Mitsubishi Heavy Industries, Ltd. through your local distributor. WARNING BE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION.
Refrigerant piping (3) Hanging ¡ Arrange four sets of a hang bolt (M10 or M8) , a nut for it, a plain Drain Hang bolt washer and a spring washer on site. Nut Washer Main When there is the ceiling body Spring 1. Make an 860 to 890 mm-square cutout on the ceiling. washer Refer to the outside dimensions of packing cardboard container. s Align the center of ceiling cutout and the center of unit. Indoor unit 2.
Drainage Test 1 Conduct a drainage test after completion of the electrical work. 2 During the trial, make sure that drain flows properly through the piping and that no water leaks from connections. 3 In case of a new building, conduct the test before it is furnished with the ceiling. 4 Be sure to conduct this test even when the unit is installed in the heating season. Procedures 1 Supply about 1000 cc of water to the unit through the air outlet by using a feed water pump.
Cassetteria type (FDR) (1) Preparation of indoor unit Before of during the installation of the unit, assemble necessary optional panel, etc. depending on the specific type. (2) Select places for installation satisfying following conditions and, at the same time, obtain the consent on the part of your client user. (a) Places where chilled or heated air circulates freely. When the installation height exceeds 3m warmed air stays close to the ceiling.
(4) Preparation for suspending the unit (a) Selection of hanging pattern When the unit is hanged from ceiling, select one of following patterns depending on the dimensions of the ceiling.
(5) Installation of indoor unit ¡ Fix the indoor unit to the hanger bolts. If required, it is possible to suspend the unit to the beam, etc. Directly by use of the bolts without using the hanger bolts. Note When the dimensions of main unit and ceiling holes does not match, it can be adjusted with the slot holes of hanging bracket. Adjusting to the levelness (a) Adjust the out-of levelness using a level or by the following method.
(d) When constructing drain piping for several units, posi- Secure the elevation as high as possible (approx. 100 mm) tion the common pipe about 100mm below the drain outlet of each unit as shown in the sketch. Use VP-30(11/4˝) or thicker pipe for this purpose. (e) A downhill grade of 1/100 or less VP30 Be sure to provide heat insulation to hard PVC pipes of Unit: mm indoor placement. Do not ever provide an air vent.
(7) Installation work for air outlet ducts Air conditioner main unit. Canvas duct (Option) Heat insulation Ceiling surface B Special blowout (Option) Suction hole (Silent panel) duct (Optional or marketed item) A Blowout Suction hole (Canvas panel) Calculate the draft and external static pressure and select the length, shape and blowout. A Blowout duct ¡ 2-spot, 3-spot and 4-spot with φ 200 type duct are the standard specifications. Determine the number of spots based on following table.
(9) Installation of ornament panel Name Q'ty Round head set screw (M5 × 35) i) Accessory Position 4 pcs. Securing the panel ii) Installation procedures (a) Remove the inner frame of panel ¡ How to remove the panel inner frame 1 Detach from pins (A) in the order of arrow 1→2. 2 Open slightly as the arrow 3 and move toward the arrow 4 and detach from pin (B).
Attachment of ceiling material Ceiling material can be attached to the panel inner frame. (Plate thickness max. 15mm) Ceiling material Ornament panel Panel inner frame Stopper Attachment procedures 1 Remove the stopper. 2 Remove the ornament plate and attach the ceiling material. 3 Hold down the ceiling material and return the stopper in position. Note (1) If the ceiling material is attached, the ornament plate is not used.
Ceiling mounted duct type (1) Selection of installation location (a) Avoid installation and use at those places listed below. 1) Places exposed to oil splashes or steam (e.g. kitchens and machine plants). Installation and use at such places will incur deteriorations in the performance or corrosion with the heat exchanger or damage in molded synthetic resin parts. 2) Places where corrosive gas (such as sulfurous acid gas) or inflammable gas (thinner, gasoline, etc.) is gnerated or remains.
(2) Suspension Be sure to observe the finished length of the suspension bolts given below. Unit : mm Mark 560 Models A FDUR208, 258, 308 886 FDUR408, 508 1406 A (a) Fixing the suspension bolt (customer ordered parts M10) Securely fix the suspension bolt as illustrated below or in another way.
(b) Tap selection on blower unit. Taps of on blower unit are set at the standard selection at the shipping from factory. Where the static pressure is raised by changeing the connection of connectors provided at the flank of control box as shown below.
The height of the drain head may be elevated up to a point 600 mm from the bottom of unit and, when an obstacle exists in the ceiling space, elevate the piping to avoid the obstacle using an elbow or corresponding gadget. When doing this, if the stretch for the needed height is too high, the back-flow quantity of drain at the time of interruption of the operation gets too much and it may cause overflow at the drain pan.
(5) Duct work Air conditioner iundoor unit Ceiling surface 4 Blow outlet 5 Inspection hole (option) 2 Blowout duct (optional or marketed item) (a) (b) (d) (e) (f) 1 Suction hole (marketed item) (with air fillter) A corrugated board (for preventing sputtering) is attached to the main body of the air conditioner (on the outlet port). Do not remove it until connecting the duct. 1) An air filter is provided on the main body of the air conditioner (on the inlet port).
(g) If a duct is not provided at the suction side but it is substituted with the space over the ceiling, humidity in the space will increase by the influence of capacity of ventilation fan, strength of wind blowing against the out door air louver, weather (rainy day) and others. 1) Moisture in air is likely to condense over the external plates of the unit and to drip on the ceiling. Unit should be operated under the conditions as listed in the above table and within the limitation of wind volume.
5.2 Installation of remote controller (Optional parts) (1) Selection of installation location Following locations should be avoided: (a) Where exposed to direct sunlight (b) Near the heat source (c) Highly humid area or where splashed with water (d) Uneven installation surface (2) Selection of installation location 1) Set necessary functions in accordance with the model of indoor unit. 2) Couple the upper case with the lower case as they were.
5.3 Installation of outdoor unit OWARNING BE SURE TO READ THESE INSTRUCTIONS CAREFULLY BEFORE BEGINNING INSTALLATION. FAILURE TO FOLLOW THESE INSTRUCTIONS COULD CAUSE SERIOUS INJURY OR DEATH, EQUIPMENT MALFUNCTION AND/ OR PROPERTY DAMAGE. (1) Installation (a) Accessories Confirm accessories shown below are attached in the bag with this installation manual. 1) “Edging” for protection of electric wires from opening edge.
(d) In the case where the unit is exposed to strong wind. ● Face the unit air outlet at a 90 ˚angle from the direction of the wind. (c) Securing outdoor unit (in the case of exposure to severe weather conditions) Fix the unit in the following way. ● Use overturning prevention brackets. ● Rig with wires. Ring with wires Fix the unit using achor bolts (Use rigging wires that are resistant to corrosion and sufficient in strengh. For example SUS304-W1, wire thickness 2.
(3) Refrigerant piping work Select the piping specification to fit the specification of Indoor unit and installation location. (a) Decision of piping specification • The branch piping (both gas and liquid lines) should always be arranged to have a level or perpendicular branch. < 2-Way Branch > Floor Floor Mount Floor Mount sections perpendicular to the floor. sections level with the floor.
(ii) Triple type • FDCP808HES3 [Branch pipe set: DIS-TB] • FDCP1008HES3 [Branch pipe set: DIS-TB] Indoor unit φ15.88 Indoor unit φ19.05 308 508 φ9.52 φ9.52 5 Outdoor unit φ25.4 3 1 Outdoor unit φ15.88 308 808 φ12.7 4 φ15.88 258 1008 φ9.52 2 1 φ28.58 φ15.88 φ9.52 2 φ15.88 φ15.88 308 258 φ9.52 φ9.52 Chart of shapes of branch piping parts (DIS-TB) Gas pipe Mark Liquid pipe Mark φ19.05 Reducer Mark 408 φ9.52 OD28.58 (ID25.4) ID25.8 (OD28.58) 3 80 φ28.58 5 1 φ19.
• FDCP1008HES3 [Branch pipe set: DIS-WA × 2set, DIS-WB × 1set] Chart of shapes of branch piping parts • DIS-WB Indoor unit DIS-WA ø15.88 258 3 Gas pipe ø9.52 ø19.05 ø9.52 DIS-WB Liquid pipe ID19.05 1 2 ID9.52 ID19.05 190 8 45 ø28.58 10 15 20 180 ID15.88 90 258 ID28.58 ø9.52 1 1008 Mark ID9.52 ø15.88 Outdoor unit Mark 4 2 ø15.88 ø15.88 • DIS-WA 258 3 ø9.52 Gas pipe Mark Liquid pipe Mark 4 ø19.05 ø9.52 ID15.88 ø15.88 258 ID9.52 ø9.52 8 ID15.88 ID9.
(c) Leak test and air purge Perform the procedure according to the following instructions. Request ¡ Perform the air purge of Indoor unit and refrigerant piping by vacuuming method without fail. Leak test Air purge (1) The unit's air-tightness test has been conducted but after completing the piping connections conduct an air-tightness test of the connected piping and the indoor units using the outdoor gas side service valve check joint. Be sure to conduct this test with the service valve closed.
[Example of Calculation] 1) For twin type Outdoor Unit: FDCP808HES3 Indoor Unit: FDT408-A + FDR408-A Outdoor unit FDCP808 Indoor unit Liquid line φ12.7 φ9.52 Main piping L=30m 1=5m φ9.52 2=5m FDT408-A FDR408-A Twin Type G=30m(L) × 0.045kg/m + 5m( 1) × 0.035kg/m + 5m( 2) × 0.035kg/m - (4.95 - 4.73) =1.48kg Amount of additional charge: 1.48 kg 2) For double twin type Outdoor Unit: FDCP1008HES3 Indoor Unit: FDT258-A + FDT258-A + FDR258-A + FDR258-A Outdoor unit Liquid line φ15.
(b) Wiring connection. ¡ Connect the same terminal number between the Indoor unit and Outdoor unit as shown in the following diagram. ¡ Make wiring to supply to the Outdoor unit, so that the power for the Indoor unit is supplied by 1 and 2 terminals. ¡ Secure the wiring with wiring clamp so that no external force is transmitted to the connecting portion of terminal. ¡ There is a ground (Earth) terminal in the control box. Circuit breaker 1) Between the indoor Master and Slave units connect to the same No.
6 MAINTENANCE DATA 6.1 Servicing (1) Evacuation The evacuation is a procedure to purge impurities, such as noncondensable gas, air, moisture from the refrigerant equipment by using a vacuum pump. Since the refrigerant R407C is very insoluble in water, even a small amount of moisture left in the refrigerant equipment will freeze, causing what is called ice clogging. Evacuation procedure Make sure that the both service valves of gas and liquid line are fully opened.
(2) Refrigerant charging (a) After the evacuation shown in the above, change the connection of the charge hose A to the refrigerant cylinder. (b) Purge air from the charge hose A . First loosen the connecting portion of the charge hose at the gauge manifold side and open valve 3 for a few seconds, and then immediately retighten it after observing that gas has blown out from loosened connecting portion. (c) Open valves 1 and 3 then gas refrigerant begins flowing from the cylinder into the unit.
6.3 Diagnosing of microcomputer circuit (1) Selfdiagnosis function (a) Indoor unit side Table of inspection items based on error codes Error Code E1 E6 E7 E8 E9 Failure at: Control switch wire (signal noise) Circuit board for control switch or indoor unit Indoor unit heat exchanger thermistor Indoor unit circuit board Indoor unit circuit board • Indoor unit return thermistor defective (element defective or broken wire). Defective connection of connector for thermistor.
Parts layout on the indoor unit PCB Model: FDT, FDR, FDUR series SW4 9 7 6 3 4 8 SW2 (Only case of FDT) (Optional : For auto lift panel) SW3 13 11 SW2 SW1 SW3 unit number ( Indoor ) address switch SW4 10 SW5 SW1 SW5 For test mode selection (Shortcircuit : Test mode) 52X6 CNQCNS 52X5 52X4 52X7 52X1 52X2 52X3 CNV Transformer, primary side ( ON OFF ON SW3-1 SW3-2 OFF ON OFF ON SW3-3 SW3-4 OFF Thermistor (Return air) Thermistor (Heat exchanger) CNT Transformer, secondary side Pow
2 e6 Error display : [Defective indoor unit heat exchanger thermistor] Return air thermistor (ThI-A) Indoor unit heat exchanger thermistor (ThI-R) Resistance temperature characteristics Defective indoor unit PCB Replacement (Defective indoor unit heat exchanger thermistor input circuit) Resistance (kΩ) 15 YES Is the indoor unit heat exchanger thermistor connector connection OK? Are characteristics of indoor unit heat exchanger thermistor OK or is not there any broken wire? YES 10 5kΩ at 25˚C 5
5 e9 Error display : [Failure in drainage] Defective indoor unit PCB Replacement (Defective condensate motor output circuit) NO (1) YES Is there any overflow? Is the angle of drain piping good. Is there any problem? NO YES Is there output for condensate motor (DM)? Repair YES Is the float switch tripped? Repair or replace the float switch YES ¡Check DM broken wire, burning, locking. ¡Are there any DM connector loose. ¡Are there any PCB faston terminal loose. ¡Are there any DM wire broken.
(3) Outdoor unit side Check Indicator Table Failure mode on the outdoor unit is indicated by flashing both Green LED (LED-G) and Red LED (LED-R) on the printed circuit board. Outdoor unit LED Failure at: Contents of the failure Green Red Keeps flashing Stays OFF Stays OFF 2 time flashes Installation or operation status • Over current of the compressor motor. • Open phase at L2 phase (secondary wiring of 52C) of compressor. • Defective outdoor unit PCB.
Parts layout on the outdoor unit PCB PCB power supply connector (Primary side) 63H1 63H1 63H2 Inspection display lamp (LED·Red) 63H2 CNR 52C CF2 CF2 CF1 CF1 52C SV SV2 20S SV SV2 X05 X03 CNF PCB power supply connector (Secondary side) X02 X07 X08 CNA2 X09 LED-R LED-D Inspection display lamp (LED·Green) 20S X01 F1 R3 R4 R1 R2 R5 R6 R7 R8 R11 R3 R12 R10 CNA1 X04 SW3 SW3 1 2 3 4 5 6 CNE CNL SW6 CT1 SW4 SW5 1 1 2 2 3 3 4 4 J3 J4 J5 J9 1 2 3 4 J17 J18 J19 J20 J21 CNQ
(b) Inspection method when there are fault lamps (outdoor unit LED) 1 Overcurrent of the compressor motor Outdoor unit Red LED 2 time flashes Green LED Stays OFF Power supply checked at L1 - L2 , L1 - L3 or L2 - L3 phase of 52C secondary side? NO YES (1) Compressor overcurrent? YES NO • 3 Phase: Open phase at or L2 phase L1 • Is the power supply voltage correct (not too low)? • Are the power supply wires appropriate (not too thin)? • Is the overcurrent setting correct (SW3 setting)? • Is not i
4 Defective outdoor unit heat exchanger thermistor Outdoor unit Red LED 1 time flash Green LED 1 time flash Outdoor unit heat exchanger thermistor (ThO-R) Resistance temperature characteristics 15 Is the outdoor unit heat exchanger themistor connector OK? Are the outdoor unit heat exchanger themistor characteristics OK, is there any broken wire? YES Defective outdoor unit PCB YES Replacement (Defective outdoor unit heat exchanger thermistorinput circuit) NO Resistance (kΩ) 10 NO Defective outdo
6 63H1, 49C operation Outdoor unit 4 time flashes Red LED Green LED 1 time flash At 63H1 operation Did 63H1,operate? NO Defective outdoor unit PCB Replacement (Defective 63H1, input circuit) YES 1. During cooling • Is the outdoor unit fan motor operating? • Is there no short circuit air circulation for thr outdoor unit? • Is there sufficient space for air inlet & outlet? 2.
MULTI-SPLIT SYSTEM ROOM AIR-CONDITIONER Air-Conditioning & Refrigeration Systems Headquarters 3-1, Asahimachi, Nishibiwajima-cho, Nishikasugai-gun, Aichi-pref.
