LG AH-W126A0 Manuals

Manuals and User Guides for LG AH-W126A0. We have 1 LG AH-W126A0 manual available for free PDF download: Service Manual

LG AH-W126A0 Service Manual

LG AH-W126A0 Service Manual (86 pages)

LG ThermaV System AH Series Air Conditioners

Brand: LG | Category: Air Conditioner | Size: 6.44 MB

Table of Contents

Awhp Service Manual

2
- Table of Contents
  2
- Safety Precaution
  3
  - General Information
    8
  - Model Information
    9
  - External Appearance
    12
    
    Outdoor Unit
    12
    
    Indoor Unit
    12
- Part 2 : Features & Controls
  13
  - List of Function
    14
  - Features
    15
    
    Controller Configuration
    16
    
    Special Function
    17
    
    Child Lock Function
    17
    
    Sleep Timer Operation
    18
    
    Dip Switch Setting
    19
    
    General Information
    19
    
    Control Panel Setting
    21
    
    Common Setting
    21
    
    Temperature Range Setting
    22
    
    Temperature Control Parameter Setting and Etc
    23
  - Control Logic
    26
3. Control Logic

27
- Control Logic
  27
- Compressor
  28
- Step(Frequency) Control
  30
- Reversing Valve Operation
  33
- Discharge Pipe Temperature Control
  34
- Input Current Control
  35
- Outdoor Fan Control
  37
- Defrost Control
  38
- EEV Control
  39
- Heat Sink Control
  41
- Test Run
  42
- Test Run Flow Chart
  43
- Part 3 Replacement
  44
- Part 4 : Trouble Shooting
  48
Trouble Shooting

49
- 1 Checking Key Components of Indoor Unit
  
  50
  - Flow Switch
    50
  - Water Pump
    51
  - Electric Heater
    52
  - Control Panel
    53
- 2 Checking Key Components of Outdoor Unit
  
  54
  - Compressor
    54
  - Fan Motor
    55
  - Electronic Expansion Valve
    56
  - Indoor Unit
    58
- 3 Self-Diagnosis Feature
  
  59
  - Concept of 'Classified Trouble
    59
  - Error Code List
    60
- 4 Trouble Shooting Guide
  
  62

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