LG AHUW146A0 Manuals

Manuals and User Guides for LG AHUW146A0. We have 2 LG AHUW146A0 manuals available for free PDF download: Installation Manual, Service Manual

LG AHUW146A0 Installation Manual (93 pages)

THERMA V Air-to-Water Heat Pump

Brand: LG | Category: Heat Pump | Size: 8.06 MB

Air Conditioner
1
Installation Manual
1
Table of Contents
2
Items Inside Product Box

5
- Indoor Unit Box
  5
- Outdoor Unit Box
  5
Preface

6
1 Safety Precaution

7
- Warning
  7
  - Installation Warning
    7
  - Operation Warning
    8
- Caution
  9
  - Installation Caution
    9
  - Operation Caution
    9
2 General Information

10
- Model Information
  11
- Accessories
  12
  - ACCESSORIES SUPPORTED by LG Electronics
    12
  - ACCESSORIES SUPPORTED by 3Rd PARTY COMPANIES
    12
- Typical Installation Example
  13
  - Case 1
    13
  - Case 2
    14
  - Case 3
    15
- Cycle Diagram
  16
  - Refrigerant Cycle
    16
  - Water Cycle
    18
- Parts and Dimensions
  19
  - Indoor Unit(External)
    19
  - Indoor Unit (Internal)
    21
  - Outdoor Unit(External)
    21
- Control Parts
  24
3 Installation of Outdoor Unit

30
4 Installation of Indoor Unit

32
- Conditions Where Indoor Unit Is Installed
  32
  - General Considerations
    32
  - Service Space
    32
  - Mounting to Wall
    33
  - Water Volume and Water Pump Capacity
    34
  - Water Volume and Expansion Vessel Pressure
    35
  - Water Quality
    36
- Conditions if Accessories Are Installed
  37
5 Piping and Wiring for Outdoor Unit

41
- Refrigerant Piping
  41
- Electrical Wiring
  46
- Finalizing
  49
  - Pipe Forming
    49
- Leakage Test and Evacuation
  50
  - Preparation
    50
  - Leakage Test
    50
  - Evacuation
    51
6 Piping and Wiring for Indoor Unit

52
- Water Piping and Water Circuit Connection
  52
  - General Considerations
    52
  - Water Charging
    54
  - Pipe Insulation
    54
- Electrical Wiring
  55
  - General Consideration
    55
  - Terminal Block Information
    56
  - Connecting with Outdoor Unit
    58
  - Electric Heater Wiring
    58
7 Accessories Installation

59
- Before Installation
  59
- Thermostat
  59
  - General Information
    59
  - How to Wire Thermostat
    60
  - Final Check
    61
- Sanitary Water Tank and Sanitary Water Tank Kit/Solar Thermal Kit
  62
- Dry Contact
  67
- Remote Temperature Sensor
  67
- 3Way Valve
  68
  - How to Wire 3Way Valve
    68
  - Final Check
    68
- 2Way Valve
  69
  - General Information
    69
  - How to Wire 2Way Valve
    69
  - Final Check
    69
8 System Set-Up

70
- Dip Switch Setting
  70
  - General Information
    70
  - Dip Switch Information
    71
- Control Panel Setting
  74
  - How to Enter Installer Setting Mode
    74
  - Summary
    76
  - Common Setting
    81
  - Temperature Range Setting
    82
  - Temperature Control Parameter Setting and Etc
    83
9 Check Points, Maintenance and Troubleshooting

88

LG AHUW146A0 Service Manual (86 pages)

LG ThermaV System AH Series Air Conditioners

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

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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LG AHUW146A0 Manuals

LG AHUW146A0 Installation Manual (93 pages)

Table of Contents

Items Inside Product Box

Preface

1 Safety Precaution

2 General Information

3 Installation of Outdoor Unit

4 Installation of Indoor Unit

5 Piping and Wiring for Outdoor Unit

6 Piping and Wiring for Indoor Unit

7 Accessories Installation

8 System Set-Up

9 Check Points, Maintenance and Troubleshooting

LG AHUW146A0 Service Manual (86 pages)

Table of Contents

Awhp Service Manual

3. Control Logic

Trouble Shooting

1 Checking Key Components of Indoor Unit

2 Checking Key Components of Outdoor Unit

3 Self-Diagnosis Feature

4 Trouble Shooting Guide

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