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CONFIDENTIAL
Room Air Conditioner
SVC MANUAL (Exploded View)
MODEL : S4-W12JA1ZD.EC6GERU (B12TS.SSJ)
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Copyright © 2018 LG Electronics Inc. All rights reserved. Only training and service purposes.
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Summary of Contents for LG S4-W12JA1ZD
- Page 1 SVC MANUAL (Exploded View) MODEL : S4-W12JA1ZD.EC6GERU (B12TS.SSJ) CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel. Copyright © 2018 LG Electronics Inc. All rights reserved. Only training and service purposes.
- Page 2 Fin Type Material, Tube / Fin Cu / Al Copyright 2017 LG Electronics Inc. All rights (ø7 x 2 x 22 x 18FPI x 667) x 1 (ø x Row x Column x FPI/FPDM x L) x Qty. Condens er (ø...
- Page 3 Two Thermistor Control ¹ Convenience Low Ambient Operation ○ Overheating Protection ○ Low Heating Voice Control Smart Scan (PIR) LG AC Tag On (NFC) Outdoor Silent Mode ○ Mosquito Away Smart Diagnosis ○ Indoor Unit Display Type Number Display Indoor Unit Display Light...
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Page 4: Refrigerant Cycle Diagram
3. Refrigerant Cycle Diagram Model : S4-W12JA1ZD Outdoor Unit Indoor Unit 2-Way Valve Field Piping (Copper Tubing) Liquid Side Capillary Tube (OD 3.2 × ID 1.6 × 950 mm) × 1EA Heat Heat Exchanger Exchanger (Evaporator) (Condenser) 3-Way Valve Reversing... -
Page 5: Wiring Diagrams
4. Wiring Diagrams Indoor Unit EEPROM MEZ66711021 CN_MOTOR1 CN_IN/N1 CN_L1 CN_L/R CN_U/D CN_DISP3 CN_HVB CN_DISP1 CN_TH1 CN_TH3 CN_COM CN_LINK... -
Page 6: Outdoor Unit
Outdoor Unit Factory Wiring Field Wiring Option PARTS MEZ67433912 CN_TH1 CN_FAN_AC CN_UVW CN_LGMV CN_4WAY CN_TH2 COM_RD WCN_P(L) CN_COIL2 CN_COIL1 WCN_ACFAN_N WCN_P(N) - 6 - LGE Internal Use Only... -
Page 7: Exploded View
5. Exploded View Indoor Unit 135316 733010 131410 149303 267110 342800 147582 149304 135501 145200B 359011 146811A 135080 W50400 346810 135500C 263230A 147581 135311 268711C 131111 268711B 354212 159820 146811A 263230B W6640A 352150 249951 LOC. Description PCB Connector Thermistor for indoor air temperature Thermistor for evaporator middle temperature - 7 - LGE Internal Use Only... - Page 8 Outdoor Unit 437211 137213A 435301 137213B 435511B 554031 237202 552113 549610 546810 447910 Tube Assembly, Reverse 559010 261704 552116 135500C 552112 561410 552203A 268711F Valve, Reverse 649950 552202 W4986A W0CZZ 552203B 148000 263230B W4986B Tube Assembly, Capillary 263230A 552111 554160 W4986D W4986C W6640B...
- Page 9 P/NO : MFL70404777 Dec,2018...