LG FM21AH UE3 Manuals

Manuals and User Guides for LG FM21AH UE3. We have 1 LG FM21AH UE3 manual available for free PDF download: Svc Manual

LG FM21AH UE3 Svc Manual

LG FM21AH UE3 Svc Manual (136 pages)

Multi Air Conditioner, Multi-Inverter Type

Brand: LG | Category: Air Conditioner | Size: 10.65 MB

Table of Contents

Table of Contents
2
Part 1 General Information
3
- Safety Precautions
  4
- Model Line up
  7
- Outdoor Units
  9
- Nomenclature
  12
Part 2 Functions & Controls
14
- List of Functions & Controls
  15
- Air Flow
  17
- Auto Swing (Left & Right)
  17
- Auto Swing (up & Down)
  17
- Chaos Swing (Up/Down)
  17
- Air Flow Step
  18
- Chaos Wind (Auto Wind)
  18
- Jet Cool Mode Operation
  18
- Swirl Wind Swing
  18
- Air Purifying
  19
- PLASMA Air Purifying System
  19
- Installation Functions
  20
- External Static Pressure) Setting
  20
- High Ceiling Operation
  23
- Reliability
  24
- Hot Start
  24
- Self-Diagnosis Function
  24
- Soft Dry Operation
  24
- Convenience Functions & Controls
  25
- Auto Changeover Operation
  25
- Auto Cleaning Operation
  29
  - Heat Pump
    29
  - Cooling Only
    29
- Auto Operation (Fuzzy Operation)
  30
- Auto Restart Operation
  31
- Child Lock Function
  32
- Forced Operation
  32
- Group Control
  33
- Sleep Timer Operation
  35
- Timer(On/Off)
  35
- Weekly Program
  35
- Two Thermistor Control
  36
- Special Function & KIT
  37
- Zone Controller
  37
- Low Ambient Control
  37
- Space Control
  38
- Auto Elevation Grille
  38
- Defrost Control(Heating)
  39
Part 3 Control Logic
40
- Compressor
  41
- Step(Frequency) Control
  43
- Reversing Valve Operation
  44
- Reversing Valve Operaton
  44
- Discharge Pipe Control
  45
- Input Current Control
  46
- Outdoor Fan Control
  47
- Defrost Control
  48
- LEV Control
  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
- Test Runing
  56
- Ceiling Cassette Type
  58
Part 5 Trouble Shooting Guide
59
- Self-Diagnosis Function
  60
- Pump down
  64
- Pumping down
  64
- Evacuation
  65
- Gas Charging
  66
- Cycle Part
  67
- Electronic Parts
  68

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