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Room Air Conditioner

MODEL : 

S4-W12JA1ZD.EC6GERU (B12TS.SSJ)

CAUTION

Before Servicing the unit, read the safety precautions in General SVC manual.

Only for authorized service personnel.

CONFIDENTIAL

SVC MANUAL (Exploded View)

Copyright © 2018 LG Electronics Inc. All rights reserved. Only training and service purposes.

Summary of Contents for S4-UW12JA1ZD

Page 1: ... SSJ CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel CONFIDENTIAL SVC MANUAL Exploded View Copyright 2018 LG Electronics Inc All rights reserved Only training and service purposes ...

Page 2: ... eq Indoor Outdoor cc W W Material Tube Fin ø x Row x Column x FPI FPDM x L x Qty 1 ø x Row x Column x FPI FPDM x L x Qty 2 ø x Row x Column x FPI FPDM x L x Qty 3 ø x Row x Column x FPI FPDM x L x Qty 4 Corrosion Protection Fin Type Material Tube Fin ø x Row x Column x FPI FPDM x L x Qty 1 ø x Row x Column x FPI FPDM x L x Qty 2 Corrosion Protection Fin Type Between Indoor Outdoor Piping Connecti...

Page 3: ...ti Protection Filter Air Flow Air Supply Outlet Airflow Direction Control Left Right Airflow Direction Control Up Down Auto Swing Left Right Auto Swing Up Down Fan Speed Steps Fan Cool Heat Natural Wind Auto Wind Jet Cool Jet Heat Power Wind Comfort Air Sleep Mode Dry Dehumidification Operation Auto Cleaning Coil Dry Auto Restart Operation Child Lock Forced Operation Wired Remote Controller Standa...

Page 4: ...ndensing temperature CN TH2 Outdoor Model S4 W12JA1ZD Appendix Heat Exchanger Propeller Fan M Cross Flow Fan M Compressor r Accumulator 4 Way Valve EEV Electronic Expansion Valve Capillary Tube 2 Way Valve 3 Way Valve Temperature Sensor Pressure Sensor Pressure Switch Check Valve Flare Joint Muffler Strainer M M Heat Exchanger Evaporator Heat Exchanger Condenser Field Piping Copper Tubing 2 Way Va...

Page 5: ...4 Wiring Diagrams Indoor Unit MEZ66711021 EEPROM CN TH3 CN TH1 CN_TH3 CN_TH1 CN_DISP1 CN_HVB CN_DISP3 CN_U D CN_L R CN_MOTOR1 CN_LINK CN_COM CN_IN N1 CN_L1 5 ...

Page 6: ... 6 LGE Internal Use Only Outdoor Unit MEZ67433912 Option Field Wiring Factory Wiring PARTS PSC CN_LGMV CN_UVW CN_TH2 CN_TH1 CN_4WAY CN_FAN_AC COM_RD CN2 CN3 CN_COIL1 WCN_ACFAN_N CN_COIL2 WCN_P L WCN_P N ...

Page 7: ...istor for indoor air temperature Thermistor for evaporator middle temperature 3 733010 131410 149304 267110 342800 135501 135311 147581 352150 146811A 135500C 149303 135316 249951 354212 268711B W6640A 131111 135080 346810 147582 359011 W50400 263230A 263230B 145200B 146811A 159820 268711C ...

Page 8: ...se 552116 552113 135500C 561410 148000 554160 552203A 552203B 552112 649950 263230A 268711F 263230B W6640B Valve Reverse 552202 Tube Assembly Capillary 552111 550140 W6631 W4004 430410 152503 B C P n o i t p i r c s e D C O L Connector Thermistor for condensing temperature Thermistor for outdoor air temperature W0CZZ W4986A W4986C W4986B W4986D ...

Page 9: ...P NO MFL70404777 Dec 2018 ...

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