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LG ABNH426RLAD, Service Manual

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Universal Air Conditioner

SVC MANUAL(Exploded View)

MODEL : AUUW426D(UU42W U3D)

CAUTION

Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.

Internal Use Only

http://biz.lgservice.com

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Summary of Contents for ABNH426RLAD

Page 1: ...itioner SVC MANUAL Exploded View MODEL AUUW426D UU42W U3D CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel Internal Use Only http biz lgservice com ...

Page 2: ...Piping Length 7 5m Level Difference of Zero 2 Wiring cable size must comply with the applicable local and national code 3 The specification may be subject to change without notic for purpose of improvement Indoor Unit Outdoor Unit Running Current Rating Cooling A Heating A Starting Current Cooling Heating A Power Supply Ø V Hz Power Supply Cable Outdoor No x mm2 Power and Transmission Cable Outdoo...

Page 3: ...sure switch Reliability Phase protection Restart delay 3 minutes Self diagnosis Soft start Test function Convenience Auto operation Artificial intelligence Auto restart operation CAC network Network soluation LGAP function PDI Power Distribution Indicator PI485 Special Low ambient operation function kit Others Thermistor Function Category AUUW426D UU42W U3D O O O O O O O O O PQNFG00A0 PMNFP14A0 O ...

Page 4: ... Exchanger Reversing Valve OUTDOOR UNIT Refrigerant Flow Cooling Heating Gas Ø 15 88mm Liquid Ø 9 52mm Field Piping Th2 Th4 Th3 LOC Description PCB Connector EEV Electronic Expansion Valve CN EEV1 Th1 Thermistor for suction pipe temperature CN TH2 Th2 Thermistor for discharge pipe temperature CN TH2 Th3 Thermistor for condenser pipe temperature CN TH1 Th4 Thermistor for outdoor air temperature CN ...

Page 5: ...CONTROLLER POWER SUPPLY CN COMM CN MOTOR2 CN MOTOR1 CN N CN L CN MAIN COM CN TH2 CN TH1 CN CENTRAL CN JIG_PC CN COM INV CN EEV1 CN WRITER CN FLASH 5 Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 4 Wiring Diagrams ...

Page 6: ...0410 148000 554160 548490 661400 561410 552116 437211 435513 349480 554031 554031 346810 552117 552200 649950 W6200 W6640B W6640A 268711F 55211G 559010 552203A 567480D 567480E 268711B 566000 552202 550140 W52240 W6631 Note Please ensure GCSC since the replacement parts may be changed depending upon the buyer s request Please check the correct parts in View RPL Replacement Part List on GCSC GCSC We...

Page 7: ...P NO MFL40912004 OCTOBER 2008 ...

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