LG A2UW18GFA0 Service Manual

LG A2UW18GFA0 Service Manual

Multi air conditioner
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Internal Use Only
http://biz.lgservice.com
Multi Air Conditioner
SVC MANUAL(Exploded View)
MODEL : A2UW18GFA0
[LMU18CHV]
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 A2UW18GFA0

  • Page 1 Internal Use Only http://biz.lgservice.com Multi Air Conditioner SVC MANUAL(Exploded View) MODEL : A2UW18GFA0 [LMU18CHV] CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.
  • Page 2: Specification

    - Difference Limit of Elevation (Outdoor ~ Indoor Unit) is Zero. *: This temperature(-20 ~ -10℃) can be operated only when Low Ambient Kit is installed. - 2 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 3: List Of Functions & Accessory

    PQNFB17B0 Y branch X X Installation Header branch Air Guide ODU Dry Contact Low Ambient Kit O (Logical operation) - 3 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 4: Piping Diagrams

    Field Piping Gas(Ø9.52) ROOM B Suction Temperature Ø9.52 Thermistor Discharge Temperature Flare Connection Thermistor Inverter Compressor : Cooling : Heating - 4 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 5: Wiring Diagrams

    4. Wiring Diagrams - 5 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 6 CN-EEV B CN-EEV C CN-AIR CN-MONITOR1 CN-MID CN-H/PRESS CN-DISCHARGE CN-SUCTION Monitoring PCB CN-MAIN CN-CENTRAL CN-WRITE DIP-SW TACT-SW1 CN-LGMV CN-FLASH 7_SEGMENT - 6 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7: Exploded View

    263230C Thermisther3(CN-C/PIPE) Cond Out Pipe Violet 263230D Thermisther4(CN-MID) Cond Middle Pipe Brown 263230E Thermisther5CN-Air) Yellow 165010 CN-H/PRESS Pressure sensor - 7 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8 JANUARY, 2014 P/NO : MFL68280001...

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