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LG AUUW426D Service Manual
LG AUUW426D Service Manual

LG AUUW426D Service Manual

Universal air conditioner
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Internal Use Only
http://biz.lgservice.com
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.

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Summary of Contents for LG AUUW426D

  • Page 1 Internal Use Only http://biz.lgservice.com 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.
  • Page 2: Specification

    - Outdoor Temperature 7°C(44.6°F) DB/6°C(42.8°F) WB Piping Length - Interconnecting Piping Length 7.5m - Level Difference of Zero - 2 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 3: Function Table

    • Option: Model name & price are different according to options, and assembled in factory with main unit. • Accessory: Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package. - 3 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 4: Piping Diagrams

    CN-TH2 Thermistor for discharge pipe temperature CN-TH2 Thermistor for condenser pipe temperature CN-TH1 Thermistor for outdoor air temperature CN-TH1 - 4 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 5: Wiring Diagrams

    CN-COM(INV) MAIN(COM) CN-JIG_PC CN-CENTRAL MOTOR2 CN-TH1 4WAY CN-TH2 MOTOR1 CN-WRITER CN-FLASH CENTRAL CN(N) CN(L) CN-COMM CONTROLLER CN-POWER POWER SUPPLY - 5 - Copyright ©2008 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 6: Exploded View

    5. Exploded View - 6 -...

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