LG CH21 Manuals

Manuals and User Guides for LG CH21. We have 1 LG CH21 manual available for free PDF download: Svc Manual

LG CH21 Svc Manual

LG CH21 Svc Manual (67 pages)

General Wall Mounted-Inverter Type

Brand: LG | Category: Air Conditioner | Size: 1.19 MB

Table of Contents

Room Air Conditioner
1
Table of Contents
2
Part 1 General Information
3
- Safety Precautions
  4
- Nomenclature
  7
Part 2 Functions & Controls
8
- List of Functions & Controls
  9
- Service Manual
  9
- Basic Mode Controls
  10
  - Cooling Mode
    10
  - Heating Mode
    10
  - Healthy Dehumidification Operation
    11
  - Automatic Operation
    11
  - Auto Changeover Operation
    11
- Special Mode Controls
  12
- Utility Functions
  13
- Auto Restart
  15
- Protection Functions & Controls
  16
  - Automatic Defrost
    17
  - Low Ambient Control
    28
Part 3 Test Run
30
- Check before Test Run
  31
- Test Run Flow Chart
  32
- Test Run Detail
  33
- Way, 3-Way Valve
  35
- Pumping down
  36
- Evacuation (All Amount of Refrigerant Leaked)
  37
- Gas Charging (after Evacuation)
  38
- Cycle Troubleshooting Guide
  39
- Electric Parts Troubleshooting Guide
  41
- Electronic Parts Troubleshooting Guide
  41
Part 4 Trouble Shooting
42
- Self-Diagnosis Function
  46
  - Error Indicator
    46
  - 9,12Kbtu/H Model
    46
  - Troubleshooting CH05, CH53
    57
  - Troubleshooting CH26, CH27
    62
  - Troubleshooting CH32, CH33, CH40
    63
  - Troubleshooting CH61, CH62
    66

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