LG THERMA V AHUW128A3 Manuals

Manuals and User Guides for LG THERMA V AHUW128A3. We have 3 LG THERMA V AHUW128A3 manuals available for free PDF download: Installation Manual, Service Manual

LG THERMA V AHUW128A3 Installation Manual (87 pages)

AIR-TO-WATER

Brand: LG | Category: Heat Pump | Size: 16.42 MB

Table of Contents
2
Preface

5
1 Safety Precaution

6
- Warning
  6
- Installation Warning
  6
- Operation Warning
  7
- Caution
  9
- Installation Caution
  9
- Operation Caution
  9
2 Installation Part

10
- Indoor Unit Box
  10
- Outdoor Unit Box
  10
3 General Information

11
- Model Information
  11
- Typical Installation Example
  13
- Case 1
  13
- Case 2
  14
- Case 3
  15
- Cycle Diagram
  16
- Water Cycle
  17
- Parts and Dimensions
  19
- Indoor Unit(External)
  19
- Indoor Unit(Internal)
  20
- Outdoor Unit(External)
  22
- Control Parts
  24
- Control Box : Indoor Unit
  24
- Control Panel
  25
- Wiring Diagram : Indoor and Outdoor (Incl. Field Wiring)
  26
4 Installation of Outdoor Unit

28
5 Installation of Indoor Unit

30
- Conditions Where Indoor Unit Is Installed
  30
- General Considerations
  30
- Service Space
  30
- Mounting to Wall
  31
- Water Volume and Water Pump Capacity
  32
- Pressure Drop
  34
- Water Volume and Expansion Vessel Pressure
  35
- Water Quality
  36
- Frost Protection
  36
6 Piping and Wiring for Outdoor Unit

37
- Refrigerant Piping
  37
- Constraints in Pipe Length and Elevation
  37
- Preparation for Piping
  38
- Connecting Pipe to Indoor Unit
  39
- Connecting Pipe to Outdoor Unit
  39
- Circuit Breaker Specification
  42
- Wiring Procedure for Power Cable and Connecting Cable
  43
- Finalizing
  44
- Pipe Forming
  44
- Leakage Test and Evacuation
  45
- Preparation
  45
- Leakage Test
  45
- Evacuation
  46
7 Piping and Wiring for Indoor Unit

47
- Water Piping and Water Circuit Connection
  47
- General Considerations
  47
- Water Charging
  49
- Pipe Insulation
  49
- Electrical Wiring
  50
- General Consideration
  50
- Terminal Block Information
  51
- Connecting with Outdoor Unit
  52
- Electric Heater Wiring
  52
8 Accessories Installation

53
- ACCESSORIES SUPPORTED by LG Electronics
  53
- ACCESSORIES SUPPORTED by 3Rd PARTY COMPANIES
  53
- Before Installation
  54
- Thermostat
  54
- General Information
  54
- How to Wire Thermostat
  55
- Final Check
  56
- Dhw Tank and Dhw Tank Kit/Solar Thermal Kit
  57
- General Information
  57
- Dry Contact
  62
  - Remote Temperature Sensor
    62
  - 3Way Valve
    63
  - How to Wire 3Way Valve
    63
  - Final Check
    63
  - 2Way Valve
    64
  - General Information
    64
  - How to Wire 2Way Valve
    64
  - Final Check
    64
  - Conditions if Accessories Are Installed
    65
  - Thermostat
    65
  - Remote Air Temperature Sensor
    65
  - Dhw Tank and Dhw Tank Kit / Solar Thermal Kit
    66
9 System Set-Up

68
- Dip Switch Setting
  68
- General Information
  68
- Dip Switch Information
  69
- Installer Setting
  72
- How to Enter Installer Setting Mode
  72
- Summary
  73
- Common Setting
  74
- Temperature Range Setting
  75
- Temperature Control Parameter Setting
  76
10 Check Points, Maintenance and Troubleshooting

81
- Check List before Starting Operation
  81
- Maintenance
  82
- Test Run
  82
- Check before Test Run
  82
- Troubleshooting
  83
- Troubleshooting for Problem While Operation
  83
- Troubleshooting for Error Code
  84
- Airborne Noise Emission
  85
  - Limiting Concentration
    85

LG THERMA V AHUW128A3 Service Manual (82 pages)

AIR-TO-WATER HEAT PUMP

Brand: LG | Category: Heat Pump | Size: 21.23 MB

Table of Contents
2
General
3
- Definitions
  3
- Symbol
  3
- Safety Warnings and Instructions
  4
- Installation
  4
- Operation
  5
- Indoor
  8
Specification
8
Outdoor
10
Function Table
13
Pump Capacity
14
Pump Hydraulic Performance
14
Piping Diagrams
15
Wiring Diagrams
16
- Outdoor Unit
  18
- Models : AHUW166A3, AHUW146A3, AHUW126A3
  19
- Indoor Unit
  21
Exploded View
21
Model Number Nomenclature
29
Model Information
29
Model Name and Related Information
30
Replacement Procedure for Compressor
31
Caution for Assembling Outdoor Panels after Test Run
32
- Humidity of the Controller Assembly
  33
- Supply Voltage
  33
Trouble Shooting Guide (Indoor Unit)
33
- Module 1 - Alarm
  35
- Module 2 - Alarm
  36
- Position of Temperature Sensor
  37
- ERROR .Thermostat
  37
- Alarm Rtc Fail
  38
- Alarm Dhw
  39
- Module Inv Alarm
  39
- Main PCB Assembly(Inverter)
  40
Trouble Shooting Guide (Outdoor Unit)
40

LG THERMA V AHUW128A3 Installation Manual (65 pages)

AIR-TO-WATER HEAT PUMP

Brand: LG | Category: Heat Pump | Size: 12.97 MB

Table of Contents
2
Important Information

3
Installation Part

9
General Information

10
- Model Information
  10
- Parts and Dimensions
  12
Installation of Outdoor Unit

15
Installation of Indoor Unit

18
- General
  18
- Location of the Device
  19
- Connection with the Outdoor Unit
  21
- Hydraulic Connection
  25
- Electrical Connection
  34
- Refrigerant Piping
  47
Piping and Wiring for Outdoor Unit

47
- Finalizing
  56
- Leakage Test and Evacuation
  57
System Set-Up

59
- DIP Switch Setting
  59
Check Points, Maintenance and Troubleshooting

60
- Check List before Starting Operation
  60
- Care and Maintenance
  61
- Test Run
  63
- Limiting Concentration
  63
Search the Manual Using Your Mobile

64
- Airborne Noise Emission
  64

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LG THERMA V AHUW128A3 Manuals

LG THERMA V AHUW128A3 Installation Manual (87 pages)

Table of Contents

Preface

1 Safety Precaution

2 Installation Part

3 General Information

4 Installation of Outdoor Unit

5 Installation of Indoor Unit

6 Piping and Wiring for Outdoor Unit

7 Piping and Wiring for Indoor Unit

8 Accessories Installation

9 System Set-Up

10 Check Points, Maintenance and Troubleshooting

LG THERMA V AHUW128A3 Service Manual (82 pages)

Table of Contents

LG THERMA V AHUW128A3 Installation Manual (65 pages)

Table of Contents

Important Information

Installation Part

General Information

Installation of Outdoor Unit

Installation of Indoor Unit

Piping and Wiring for Outdoor Unit

System Set-Up

Check Points, Maintenance and Troubleshooting

Search the Manual Using Your Mobile

Related Products

LG Categories