LG ARNU07GCEA4 Svc Manual

LG ARNU07GCEA4 Svc Manual

Multi v air conditioner
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Multi V Air Conditioner
SVC MANUAL(Exploded View)
MODEL :
ARNU07GCEA4
ARNU09GCEA4
ARNU12GCEA4
ARNU15GCEA4
ARNU18GCFA4
ARNU24GCFA4
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
ARNU07GCEU4
ARNU09GCEU4
ARNU12GCEU4
ARNU15GCEU4
ARNU18GCFU4
ARNU24GCFU4

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Summary of Contents for LG ARNU07GCEA4

  • Page 1 Internal Use Only http://biz.lgservice.com Multi V Air Conditioner SVC MANUAL(Exploded View) MODEL : ARNU07GCEA4 ARNU07GCEU4 ARNU09GCEA4 ARNU09GCEU4 ARNU12GCEA4 ARNU12GCEU4 ARNU15GCEA4 ARNU15GCEU4 ARNU18GCFA4 ARNU18GCFU4 ARNU24GCFA4 ARNU24GCFU4 CAUTION Before Servicing the unit, read the safety precautions in General SVC manual. Only for authorized service personnel.
  • Page 2: Specification

    3. Due to our policy of innovation some specifications may be changed without prior notification 4. To be added for more available Models 5. EEV : Electronic Expansion Valve - 2 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 3 3. Due to our policy of innovation some specifications may be changed without prior notification 4. To be added for more available Models 5. EEV : Electronic Expansion Valve - 3 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 4 3. Due to our policy of innovation some specifications may be changed without prior notification 4. To be added for more available Models 5. EEV : Electronic Expansion Valve - 4 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 5 3. Due to our policy of innovation some specifications may be changed without prior notification 4. To be added for more available Models 5. EEV : Electronic Expansion Valve - 5 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 6: List Of Functions

    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. - 6 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7: Piping Diagrams

    Thermistor for room air temperature CN-ROOM (Yellow) Thermistor for pipe in temperature CN-PIPE_IN (White) Thermistor for pipe out temperature CN-PIPE_OUT (Red) - 7 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 8: Wiring Diagrams

    CN_MOTOR1 CN_DDC CN_OPTION CN_DISPLAY CN_PTC CN_485 CN_REMO CN_WF CN_LEAK CN_HUMID CN_VM CN_AIRC CN_FLOAT CN_ROOM CN_PIPE_OUT CN_PIPE_IN CN_CC CN_POWER CN_D_PUMP - 8 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9: Dip Switch Setting

    - The serial number of Multi V super IV (outdoor units) is after October 2013. DIP switch 7 segment Outdoor Unit PCB Outdoor Unit DIP Switch - 9 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 10 210 mm X 95 mm 268711C PCB for option 25 mm X 25 m 268711D PCB for communication 65 mm X 45 mm - 10 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 11 210 mm X 95 mm 268711C PCB for option 25 mm X 25 m 268711D PCB for communication 65 mm X 45 mm - 11 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 12 210 mm X 95 mm 268711C PCB for option 25 mm X 25 m 268711D PCB for communication 65 mm X 45 mm - 12 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 13 210 mm X 95 mm 268711C PCB for option 25 mm X 25 m 268711D PCB for communication 65 mm X 45 mm - 13 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 14: Self-Diagnosis Function

    Outdoor communication PCB did not receive communication sig- PCB ↔ outdoor unit nal from outdoor unit for over 3 minutes continuously - 14 - Copyright ©2014 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 15 DECEMBER, 2014 P/NO : MFL42947637...

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