User Manuals: LG LFN425HV Ductless Mini-Split

Manuals and User Guides for LG LFN425HV Ductless Mini-Split. We have 1 LG LFN425HV Ductless Mini-Split manual available for free PDF download: Svc Manual

LG LFN425HV Svc Manual

LG LFN425HV Svc Manual (92 pages)

Single "A"-Inverter Type

Brand: LG | Category: Air Conditioner | Size: 7 MB

Table of Contents

Table of Contents
2
Part 1 General Information
3
- Safety Precautions
  4
- Model Line up
  7
- Nomenclature
  8
Part 2 Functions & Controls
9
- List of Functions & Controls
  10
- Air Flow
  12
- Auto Swing (Left & Right)
  12
- Auto Swing (up & Down)
  12
- Chaos Swing (Up/Down)
  12
- Air Flow Step
  13
- Chaos Wind (Auto Wind)
  13
- Jet Cool Mode Operation
  13
- Swirl Wind Swing
  13
- Air Purifying
  14
- PLASMA Air Purifying System
  14
- Installation Functions
  17
- Installer Setting -E.S.P
  17
- High Ceiling Operation
  18
- Reliability
  20
- Hot Start
  20
- Self-Diagnosis Function
  20
- Soft Dry Operation
  20
- Convenience Functions & Controls
  21
- Auto Changeover Operation
  21
- Child Lock Function
  25
- Auto Restart
  26
- Forced Operation
  27
- Timer(On/Off)
  27
- Sleep Timer Operation
  27
- Two Thermistor Control
  28
- Filter Sign Clear
  29
Part 3 Control Logic
32
- Compressor
  33
- Step(Frequency) Control
  35
- Reversing Valve Operation
  38
- Reversing Valve Operaton
  38
- Discharge Pipe Control
  39
- Input Current Control
  40
- Outdoor Fan Control
  42
- Defrost Control
  44
- LEV Control
  45
- Flow Chart
  49
- Oil Restoration Operation
  51
- Compressor Warm-Up Control Logic
  51
- Heat Sink Control
  52
Part 4 Test Run
53
- Check before Test Run
  54
- Test Run Flow Chart
  55
Part 5 Trouble Shooting Guide
57
- Self-Diagnosis Function
  58
- Pump down
  60
- Pumping down
  60
- Evacuation
  61
- Gas Charging
  62
- Cycle Part
  63
- Electronic Parts
  64
  - When Indoor Fan Does Not Operate
    67
  - When the Louver Does Not Operate
    68

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