Specifications

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TECHNICAL MANUAL

INVERTER WALL MOUNTED TYPE

RESIDENTIAL AIR-CONDITIONERS

(Split system, air to air heat pump type)

SRK20ZM-S

25ZM-S

35ZM-S

50ZM-S

Manual No.'13

•

SRK-T-143D

DRAFT

Summary of content (52 pages)

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DRAFT Manual No.
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'10 • SRK-T-105 '13 • SRK-T-143D CONTENTS 1. SPECIFICATIONS ........................................................................................ 2. EXTERIOR DIMENSIONS ......................................................................... (1) Indoor units .......................................................................................... 2 6 6 (2) Outdoor units ....................................................................................... (3) Remote control ........................
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'13 • SRK-T-143D 1. SPECIFICATIONS SRK20ZM-S Model Indoor unit SRK20ZM-S Outdoor unit SRC20ZM-S Single phase, 220 - 240V, 50Hz Nominal cooling capacity (range) kW 2.0 ( 1.0 (Min.) - 2.7 (Max.)) Nominal heating capacity (range) kW 2.7 ( 1.2 (Min.) - 3.9 (Max.)) Cooling 0.44 ( 0.21 - 0.77 ) Power consumption Heating kW 0.62 ( 0.27 - 1.38 ) Max power consumption 1.65 Cooling 2.5 / 2.4 / 2.3 (220/ 230/ 240 V) Running current Heating A 3.2 / 3.1 / 3.0 (220/ 230/ 240 V) Inrush current, max current 3.2 / 3.
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'13 • SRK-T-143D SRK25ZM-S Model Indoor unit SRK25ZM-S Outdoor unit SRC25ZM-S Single phase, 220 - 240V, 50Hz Nominal cooling capacity (range) kW 2.5 ( 1.0 (Min.) - 2.9 (Max.)) Nominal heating capacity (range) kW 3.2 ( 1.2 (Min.) - 4.2 (Max.)) Cooling 0.62 ( 0.21 - 0.88 ) Power consumption Heating kW 0.80 ( 0.27 - 1.36 ) Max power consumption 1.65 Cooling 3.2 / 3.1 / 3.0 (220/ 230/ 240 V) Running current Heating A 4.0 / 3.8 / 3.7 (220/ 230/ 240 V) Inrush current, max current 4.0 / 3.8 / 3.
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'13 • SRK-T-143D SRK35ZM-S Model Indoor unit SRK35ZM-S Outdoor unit SRC35ZM-S Single phase, 220 - 240V, 50Hz Nominal cooling capacity (range) kW 3.5 ( 1.0 (Min.) - 3.8 (Max.)) Nominal heating capacity (range) kW 4.0 ( 1.3 (Min.) - 4.8 (Max.)) Cooling 1.01 ( 0.21 - 1.24 ) Power consumption Heating kW 1.00 ( 0.29 - 1.45 ) Max power consumption 1.65 Cooling 4.9 / 4.7 / 4.5 (220/ 230/ 240 V) Running current Heating A 4.9 / 4.7 / 4.5 (220/ 230/ 240 V) Inrush current, max current 4.9 / 4.7 / 4.
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'13 • SRK-T-143D SRK50ZM-S Model Indoor unit SRK50ZM-S Outdoor unit SRC50ZM-S Single phase, 220 - 240V, 50Hz Nominal cooling capacity (range) kW 5.0 ( 1.6 (Min.) - 5.5 (Max.)) Nominal heating capacity (range) kW 5.8 ( 1.6 (Min.) - 6.6 (Max.)) Cooling 1.55 ( 0.40 - 2.20 ) Power consumption Heating kW 1.59 ( 0.42 - 2.10 ) Max power consumption 2.68 Cooling 7.1 / 6.8 / 6.5 (220/ 230/ 240 V) Running current Heating A 7.3 / 7.0 / 6.7 (220/ 230/ 240 V) Inrush current, max current 7.3 / 7.0 / 6.
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48.9 47 45 D 55 B 585 450 A 403.6 471.6 531.8 Installation plate Unit 55 106.5 209 65 （Service space） C 100 （Service space） 31 Space for installation and service when viewing from the front E 50（Service space） 106.5 139 Outlet for down piping （Refer to the above view） 798 60 45 294 790 47 60 7.7 279.1 7.
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290 540 63.4 69.4 111.6 D 390.6 390.6 780 510 E 158.4 12 61.9 17.9 24.3 312.5 B 138.4 14.8 50.6 42.5 33.5 40° A C Terminal block 40° 97.7 - 15.8 Content Service valve connection（gas side） φ9.52（3／8"）（Flare） Service valve connection（liquid side） φ6.35（1／4"）（Flare） Pipe／cable draw-out hole φ20×2places Drain discharge hole Anchor bolt hole M10×4places 351.
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290 43.5 640 90.6 38.6 89 327.3 327.3 520.6 510 800 D 161 201 12 50.6 71.2 17.9 E 351.6 B 148.4 Terminal block A 33.5 C Content Service valve connection（gas side） φ12.7（1／2"）（Flare） Service valve connection（liquid side） φ6.35（1／4"）（Flare） Pipe／cable draw-out hole φ20×5places Drain discharge hole Anchor bolt hole M10×4places 24.3 312.5 14.8 35.6 83.5 12.4 42.
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'13 • SRK-T-143D (3) Remote control 167 Unit : mm 26 60 - -
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- 10 - 2 5 ̪35,50 ONLY ̪ HD CNF 㨪 CNS DS CNX CNY 㨪 5 5 M U 5 BACK-UP SW WIRELESS R-AMP DISPLAY 8 CNE Va 250V 3.
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- 11 - 8(ZMX) 9(ZM) 2.0 Power cable size （mm 2）（Y／G）（Y／G） G2 G1 （RD） C-2 S.IN NOISE FILTER 32 F6 1.5 2 2 CNTH T1 （Y） L T2 2 F2 Electric expansion valve（coil） Fan motor Reactor Terminal block Heat exchanger sensor（outdoor unit） Outdoor air temp.sensor Discharge pipe temp.
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- 12 - SIGNAL WIRE 1 2 3 N ] （Y／G） N 3 2 1 （Y／G） 14 50 2.0 Power cable size （mm2 ） F10 ROUT 18 2 R 2 CNTH 1.5 F8 2 F2 N P White Yellow YE Y／G Terminal block Heat exchanger sensor（outdoor unit） Outdoor air temp.sensor Discharge pipe temp.
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'13 • SRK-T-143D '09•SRK-DB-087D 4. NOISE LEVEL SRK20ZM-S 4 NOISEModel LEVEL Condition Model SRK20ZJ-S ISO-T1, JIS C 9612 Mike position (Indoor Unit) Model SRK20ZM-S Cooling 33 dB(A) Noise Level Heating 36 dB(A) 1m 0.8m Unit Mike position (Center & Low points) × ......
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'09•SRK-DB-087D '13 • SRK-T-143D Model SRK25ZM-S Model SRK25ZJ-S Condition (Indoor Unit) Model SRK25ZM-S Cooling 34 dB(A) Noise Level Heating 39 dB(A) ISO-T1, JIS C 9612 Mike position 1m 0.8m Unit × ...... Cooling Mike position (Center & Low points) Heating 70 70 N70 Sound Pressure Level (dB) (standard 2×10- 5 Pa ) 60 60 N60 Mike position: at highest noise level in position as mentioned below Distance from front side 1m 50 50 N50 40 40 N40 30 30 Mike position N30 1m 0.
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'09•SRK-DB-087D '13 • SRK-T-143D Model SRK35ZM-S Model SRK35ZJ-S Condition (Indoor Unit) Model SRK35ZM-S 42 dB(A) Cooling Noise Level 43 dB(A) Heating ISO-T1, JIS C 9612 Mike position 1m 0.8m Unit × ...... Cooling Mike position (Center & Low points) Heating 70 70 N70 Sound Pressure Level (dB) (standard 2×10- 5 Pa ) 60 60 N60 Mike position: at highest noise level in position as mentioned below Distance from front side 1m 50 50 N50 40 40 N40 30 30 Mike position N30 1m 0.
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'13 • SRK-T-143D Model SRK50ZM-S Condition (Indoor Unit) Model SRK50ZM-S Cooling 46 dB(A) Noise Level Heating 45 dB(A) ISO-T1,JIS C 9612 Mike position 1m 0.8m Unit × ...... Cooling Mike position (Center & Low points) Heating 70 70 N70 Sound Pressure Level (dB) (standard 2×10-5 Pa ) 60 60 N60 Mike position: at highest noise level in position as mentioned below Distance from front side 1m 50 50 N50 40 40 N40 30 30 Mike position N30 1m 0.
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'09•SRK-DB-087D '13 • SRK-T-143D 5.
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'13 • SRK-T-143D Model Model SRK50ZM-S SRK50ZM-S Cooling cycle Indoor unit Flare connection Gas pipe Heat (φ12.7) exchanger sensor (Th3) Room temp. sensor (Th1) Heating cycle Outdoor unit Service valve (Gas) Discharge pipe temp. sensor (TH3) Check joint Heat exchanger Heat exchanger Heat exchanger sensor (Th2) Muffler Muffler 4way valve Humidity sensor (HD) Outdoor air temp. sensor (TH2) Compressor Receiver Liquid pipe (φ6.
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'13 • SRK-T-143D OFOF USAGE & LIMITATIONS 6. RANGE RANGE USAGE & LIMITATIONS Models SRK20,25,35ZM-S SRK50ZM-S Item Indoor return air temperature (Upper, lower limits) Cooling operation : Approximately 18 to 32℃ D.B. Heating operation : Approximately 10 to 30℃ D.B. (Refer to the selection chart) Outdoor air temperature (Upper, lower limits) Cooling operation : Approximately -15 to 46℃ D.B. Heating operation : Approximately -15 to 24℃ D.B.
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'09•SRK-DB-087D '13 • SRK-T-143D (2) Correction of cooling and heating capacity in relation to one way length of refrigerant piping Piping length [m] 7 10 15 20 25 30 Cooling 1.0 0.99 0.975 0.965 0.95 0.935 Heating 1.0 1.0 1.0 1.0 1.0 1.0 (3) Correction relative to frosting on outdoor heat exchanger during heating Air inlet temperature of outdoor unit in °CWB -15 -10 -9 -7 -5 -3 -1 1 3 5 or more Adjustment coefficient 0.95 0.95 0.94 0.93 0.91 0.88 0.86 0.87 0.
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'13 • SRK-T-143D 7. CAPACITY TABLES Model SRK20ZM-S Cooling Mode (kW) Heating Mode (HC) (kW) Indoor air temp Air flow Hi 7.8 3 (m /min) Outdoor air temp. 21˚CDB 23˚CDB 26˚CDB 27˚CDB 28˚CDB 31˚CDB 33˚CDB 14˚CWB 16˚CWB 18˚CWB 19˚CWB 20˚CWB 22˚CWB 24˚CWB Air flow Indoor air temp outdoor air temp. 16˚CDB 18˚CDB 20˚CDB 22˚CDB 24˚CDB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC -15˚CWB 1.66 1.63 1.59 1.55 1.52 10 2.25 1.93 2.36 1.90 2.45 1.99 2.49 1.
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'13 • SRK-T-143D Model SRK50ZM-S Cooling Mode (kW) Heating Mode (HC) (kW) Indoor air temp Air flow Hi 11.3 (m3/min) Outdoor air temp. 21˚CDB 23˚CDB 26˚CDB 27˚CDB 28˚CDB 31˚CDB 33˚CDB Air flow indoor air temp outdoor air temp. 16˚CDB 18˚CDB 20˚CDB 22˚CDB 24˚CDB TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC TC SHC -15˚CWB 3.57 3.49 3.41 3.34 3.26 10 5.63 4.09 5.90 4.02 6.11 4.12 6.22 4.05 6.32 3.99 6.51 4.05 6.69 3.92 -10˚CWB 4.04 3.97 3.91 3.81 3.
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RLA012A020 • A wired remote control unit is supplied separately as an optional part. • When install the unit, be sure to check whether the selection of installation place, power supply specifications, usage limitation (piping length, height differences between indoor and outdoor units, power supply voltage and etc.) and installation spaces. Never do it under any circumstances. - 23 - Standard accessories (Installation kit) ○ Before installation check that the power supply matches the air conditioner.
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24 - 2 2 2 1 Battery [R03 (AAA, Micro) 1.
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Wall Installation board Indoor unit 2 Gently push the lower part to secure the unit. 1 Pass the pipe through the hole in the wall, and hook the upper part of the indoor unit to the installation board. Installation Steps - Press Remove 25 - 0.0 - 0.5 0.0 - 0.5 0.0 - 0.5 ø6.35 ø9.52 ø12.7 1.0 - 1.5 1.0 - 1.5 2.0 - 2.5 1.5 - 2.0 Conventional (R22) flare tool Clutch type Wing nut type 1.0 - 1.5 1.5 - 2.
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H05RNR4G1.5 (example) or 245IEC57 H Harmonized cable type 05 300/500 volts R Natural-and/or synth, rubber wire insulation N Polychloroprene rubber conductors insulation R Stranded core 4or5 Number of conductors G One conductor of the cable is the earth conductor (yellow/green) 1.5 Section of copper wire (mm2) Use cables for interconnection wiring to avoid loosening of the wires. CENELEC code for cables Required field cables.
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INSTALLATION MANUAL FOR OUTDOOR UNIT SRC20·25·35·50 Model DXC09·12·18 R410A REFRIGERANT USED - 27 - • Ventilate the working area well in the event of refrigerant leakage during installation. If the refrigerant comes into contact with naked flames, poisonous gas is produced. • Use the prescribed pipes, flare nuts and tools for R410A. Using existing parts (for R22 or R407C) can cause the unit failure and serious accidents due to burst of the refrigerant circuit.
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- n. protective d at any time. r units, power 25·35·50 12·18 ANT USED 012A037 28 - The forced operation by short-circuiting protective device of pressure switch and temperature controller or the use of non specified component can cause fire or burst.
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us trouble such as water ation with the service valve d it could cause explosion ling cycle. lation must be carried out after shutting the ctric shocks, unit failure or intrusion of dust or water. vent of installation, alous heat production or fire. cannot be pushed up orrectly. . ction, tighten the cables les correctly to prevent tact separation of at least to the instruction.
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apter (Anti-reverse flow type) cally for R410A) Designed specifically for R410A) signed specifically for R410A) esigned specifically for R410A) r (Designed specifically for R410A) ion adjustment is made by using conventional flare tool) agon) [4m/m] oor unit and operating unit. or injury due to falling to the object. urposes such as storing foods, cooling ervation of animals, plants or art. ater. s become extremely hot or extremely cold nd it can cause burn injury or frost injury.
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- 31 - Tightening angle (o) 45 ~ 60 30 ~ 45 30 ~ 45 Tightening torque (N·m) 14 ~ 18 34 ~ 42 49 ~ 61 Service valve size (mm) ø6.35 (1/4") ø9.52 (3/8") ø12.7 (1/2") Do not hold the valve cap area with a spanner. Fill refrigerant Vacuum gauge check Confirm that the vacuum gauge indicator does not rise even if the system is left for one hour or more. Vacuuming completed Run the vacuum pump for at least one hour after the vacuum gauge shows –0.1MPa or lower.
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n ol - m) Model SRC20~35/DXC09,12 Drain hose (To be procured on the installer’s part) Do not put a grommet on this hole. This is a supplementary drain hole to discharge drain water, when a large quantity of it is gathered. CAUTION Grommet Drain elbow Model SRC50/DXC18 Power supply terminal block 32 Model SRC20~35ZM-S Model SRC20~35ZMX-S Insulation Gas piping Exterior tape Clearance RWC012A037 H05RNR4G1.5 (Example) or 245IEC57 H Harmonized cable type 05 300/500 volts R Natural-and/or synth.
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Indoor unit - 33 - 15A, 30mA, 0.1sec or less Single-phase ed to a drain, etc., install rately as an optional part) Connecting cable between outdoor unit and DRED shall be double insulation layer, polychloroprene sheathed (>50V) with size 4 x (0.5mm2 to 2.0mm2) cable or flexible cord, where the maximum allowable length is 30m. *Demand response enabling devices 30A 16A 2.0mm2 1.
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Clearance e drain tc., install ional part) iping - r tape iping r tape red locally) attached sor failure. tes.locally) red ge u find it ge ides and mode. In tes. id phase sor failure. liquid sattached so that you find it ides and mode. In id phase liquid container s so that container 2 L 1 2/N 3 N L 1 2/N 3 D1 D2 D3 C Safety 16A 16A with size 4 x (0.5mm to 2.
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'13 • SRK-T-143D 9. OPTION PARTS Installation manual for wired remote controller PJA012D730 (1) Wired remote control (RC-E5) Read together with indoor unit's installation manual. WARNING Fasten the wiring to the terminal securely and hold the cable securely so as not to apply unexpected stress on the terminal. Loose connection or hold will cause abnormal heat generation or fire. Make sure the power supply is turned off when electric wiring work.
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'13 • SRK-T-143D mote controller to apply unexpected stress on the Connect the remote control cord to the terminal block. Connect the terminal of remote control (X,Y) with the terminal of indoor unit (X,Y). (X and Y are no polarity) Wiring route is as shown in the right diagram depending on the pulling out direction.
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'13 • SRK-T-143D PJA012D730 Sheath Upper case The range of temperature setting Upper case Board Lower om 2 Sheath Upper Wiring In case of pulling out from upper center (recommended) to 0.5mm2. The peeling-off length of sheath ontrol cord, and tighten with so as not to slack. les. (on-site configuration) hange the wire size outside of cessary at the wire connecting d t (or one group of indoor units.) Contents emote control mote control Upper Board Lower et to "Master" for shipment.
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'13 • SRK-T-143D The functional setting The initial function setting for typical using is performed automatically by the indoor unit connected, when remote control and indoor unit are connected. As long as they are used in a typical manner, there wiil be no need to change the initial settings. If you would like to change the initial setting marked “ ”, set your desired setting as for the selected item. The procedure of functional setting is shown as the following diagram.
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'13 • SRK-T-143D Note 1: The initial setting marked “ Item Function No. Remote control function02 Remote control function06 Remote control function07 Remote control function13 ” is decided by connected indoor and outdoor unit, and is automatically defined as following table. Default Model "Auto-RUN" mode selectable indoor unit.
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'13 • SRK-T-143D PJA012D730 is automatically defined as following table. How to set function able indoor unit. -RUN" mode ree step of air flow setting of air flow setting cally swing louver matically swing louver p of air flow setting of air flow setting (SET) (MODE) 1. Stop air-conditioner and press buttons at the same time for over three seconds, and the "FUNCTION SET " will be displayed. Operation message Function description: setting description: , Fixing button 2. Press (SET) button. 3.
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'13 • SRK-T-143D (2) Interface kit (SC-BIKN-E) RKZ012A088B Accessories included in package Safety precautions Be sure to check all the accessories included in package. ●All the cautionary items mentioned below are important safety related items to be taken into consideration, so be sure to observe them at all times. No. Part name Quantity ① Indoor unit's connection cable (cable length: 1.
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'13 • SRK-T-143D Installation of the interface ・Install the interface within the range of the connection cable length from the indoor unit. (approximately 1.8m) Wiring inlet ・Be sure not to extend the connection cable on site. If the connection cable is extended, malfunction may occur. ・Fix the interface on the wall, pillar or the like. DO NOT install the interface and wired remote control at the following places.
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'13 • SRK-T-143D Functions of CNT connector It is available to operate the air conditioning unit and to monitor the operation status with the external control unit (remote display) by sending the input/output signal through CNT connector on the indoor control PCB. ①Connect a external remote control unit (procured locally) to CNT terminal. ②In case of the pulse input, switch OFF the DIP switch SW2-1 on the interface PCB.
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'13 • SRK-T-143D Connection of wired remote control Regarding the connection of wired remote control, refer to the instruction manual of wired remote control. ①Switch ON the DIP switch SW2-2 (Factory setting : ON) on the interface PCB. DIP suitch (SW2-2) Caution:Wireless remote control attached to the indoor unit can be used in parallel, after connecting the wired remote control. However, some of functions other than the basic functions such as RUN/STOP, Temperature Setting, etc.
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'13 • SRK-T-143D (3) Super link E board (SC-ADNA-E) F WARNING CAUTION - 45 -
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'13 • SRK-T-143D - 46 -
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'13 • SRK-T-143D 10. TECHNICAL INFORMATION Model SRK20ZM-S Information to identify the model(s) to which the information relates to: Indoor unit model name SRK20ZM-S Outdoor unit model name SRC20ZM-S If function includes heating: Indicate the heating season the information relates to. Indicated values should relate to one heating season at a time. Include at least the heating season 'Average'.
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'13 • SRK-T-143D Model SRK25ZM-S Information to identify the model(s) to which the information relates to: Indoor unit model name SRK25ZM-S Outdoor unit model name SRC25ZM-S If function includes heating: Indicate the heating season the information relates to. Indicated values should relate to one heating season at a time. Include at least the heating season 'Average'.
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'13 • SRK-T-143D Model SRK35ZM-S Information to identify the model(s) to which the information relates to: Indoor unit model name SRK35ZM-S Outdoor unit model name SRC35ZM-S If function includes heating: Indicate the heating season the information relates to. Indicated values should relate to one heating season at a time. Include at least the heating season 'Average'.
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'13 • SRK-T-143D Model SRK50ZM-S Information to identify the model(s) to which the information relates to: Indoor unit model name SRK50ZM-S Outdoor unit model name SRC50ZM-S If function includes heating: Indicate the heating season the information relates to. Indicated values should relate to one heating season at a time. Include at least the heating season 'Average'.
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INVERTER WALL MOUNTED TYPE RESIDENTIAL AIR-CONDITIONERS Air-Conditioning & Refrigeration Systems 16-5, Konan 2-chome, Minato-ku, Tokyo, 108-8215 Japan http://www.mhi.co.jp Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. C Copyright MITSUBISHI HEAVY INDUSTRIES, LTD.