LG AHUW128A1 Manuals

Manuals and User Guides for LG AHUW128A1. We have 1 LG AHUW128A1 manual available for free PDF download: Installation Manual

LG AHUW128A1 Installation Manual

LG AHUW128A1 Installation Manual (93 pages)

THERMA V Air-to-Water Heat Pump

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

Table of Contents

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

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