LG A2UW146FA2 Manuals

Manuals and User Guides for LG A2UW146FA2. We have 2 LG A2UW146FA2 manuals available for free PDF download: Service Manual, Manuals

LG A2UW146FA2 Service Manual (268 pages)

Multi Type Air Conditioner

Brand: LG | Category: Air Conditioner | Size: 28.26 MB

Service Manual
1
Table of Contents
2
Model Number Nomenclature

3
- Symbols Used in this Manual
  5
Safety Precautions

6
Dimensions

12
- Indoor Unit
  12
- Outdoor Unit
  21
Product Specifications

22
Installation

34
- Select the Best Location of Indoor Unit
  34
- How to Fix
  37
  - Fixing Indoor Unit
    39
  - Installation of Unit
    44
- Piping and Drainage of Indoor Unit
  45
- Connection of Indoor Unit Piping
  46
  - Ceiling Mounting
    58
  - Drill a Hole in the Wall
    59
  - Drain Hose
    60
  - Indoor Unit Installation
    66
- Remote Controller Installation
  69
- Connecting Pipings and the Cable to Outdoor Unit
  71
- Electric Characteristics
  72
- Checking the Drainage and Pipe Forming
  74
- Drain Piping
  76
- Maximum Length of Pipe and Extra Charge of Refrigerant Charge
  79
- Refrigerant Charge
  82
- Test Running
  85
- System Layout and Piping Length
  88
- Installation
  89
- Installation of the Main Unit
  90
- Connection of Piping
  91
- Connection of Wiring
  92
Operation

93
- Function of Control
  93
  - Sleep Timer Operation
    96
  - Forced Operation
    97
- Function of Indoor Unit
  98
- Function of Outdoor Unit
  104
- Remote Control Operation
  105
- Wiring Design
  109
Control Devices and Function

114
- Simple Central Control
  114
- Term of each Part and Function
  114
- Electrical Wiring
  115
  - Test Run Method
    118
  - Rotary Switch
    120
- Deluxe Central Control
  121
  - System Configuration
    126
  - Main Specifications
    126
  - Control System
    126
Disassembly of the Parts (Indoor Unit)

127
- Indoor Unit
  127
Schematic Diagram

142
- Electronic Control Device
  142
- Wiring Diagram
  154
- Components Locations
  160
3 ) Central Control PCB)

170
- Top View
  170
Troubleshooting Guide

179
- Refrigeration Cycle Diagram
  179
- Self-Diagnosis Function
  186
- Cycle Troubleshooting Guide
  187
- Electronic Parts Troubleshooting Guide
  188
- General Information
  193
(3-Way) Valve

209
- Pumping down
  210
- Gas Charging
  212
Exploded View & Replacement Parts List

213
- Indoor Unit
  213
- Outdoor Unit
  257
258 Multi Type Air Conditioner

258

LG A2UW146FA2 Manuals (254 pages)

Multi Type Air Conditioner

Brand: LG | Category: Air Conditioner | Size: 33.68 MB

Table of Contents
2
Model Number Nomenclature

3
- Symbols Used in this Manual
  5
Safety Precautions

6
Dimensions

12
- Indoor Unit
  12
- Duct Type
  14
- Outdoor Unit
  21
Product Specifications

22
Installation

34
- Select the Best Location of Indoor Unit
  34
- How to Fix
  37
  - Fixing Indoor Unit
    39
  - Installation of Unit
    44
- Piping and Drainage of Indoor Unit
  45
- Connection of Indoor Unit Piping
  46
  - For Right Rear Piping
    51
  - Ceiling Mounting
    58
  - Drill a Hole in the Wall
    59
  - Drain Hose
    60
  - Indoor Unit Installation
    66
- Remote Controller Installation
  69
- Connecting Pipings and the Cable to Outdoor Unit
  71
- Electric Characteristics
  72
- Checking the Drainage and Pipe Forming
  74
- Drain Piping
  76
- Maximum Length of Pipe and Extra Charge of Refrigerant Charge
  79
- Test Running
  85
- System Layout and Piping Length
  88
- Installation
  89
- Installation of the Main Unit
  90
- Connection of Piping
  91
- Connection of Wiring
  92
Operation

93
- Function of Control
  93
  - Sleep Timer Operation
    96
  - Forced Operation
    97
- Function of Indoor Unit
  98
- Function of Outdoor Unit
  104
- Remote Control Operation
  105
- Wiring Design
  109
Control Devices and Function

114
- Simple Central Control
  114
- Term of each Part and Function
  114
- Electrical Wiring
  115
  - Test Run Method
    118
  - Rotary Switch
    120
- Deluxe Central Control
  121
  - System Configuration
    126
  - Main Specifications
    126
  - Control System
    126
Disassembly of the Parts (Indoor Unit)

127
- Indoor Unit
  127
- Caution Label
  137
Schematic Diagram

142
- Electronic Control Device
  142
- Wiring Diagram
  154
- Components Locations
  160
Troubleshooting Guide

179
- Refrigeration Cycle Diagram
  179
- Self-Diagnosis Function
  186
- Cycle Troubleshooting Guide
  187
- Electronic Parts Troubleshooting Guide
  188
- General Information
  193
(3-Way) Valve

209
- Pumping down
  210
- Gas Charging
  212
Exploded View

213
- Indoor Unit
  213
- Outdoor Unit
  242
- Copyright ©2007 LG Electronics. Inc. All Right Reserved
  242

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LG A2UW146FA2 Manuals

LG A2UW146FA2 Service Manual (268 pages)

Table of Contents

Model Number Nomenclature

Safety Precautions

Dimensions

Product Specifications

Installation

Operation

Control Devices and Function

Disassembly of the Parts (Indoor Unit)

Schematic Diagram

3 ) Central Control PCB)

Troubleshooting Guide

(3-Way) Valve

Exploded View & Replacement Parts List

258 Multi Type Air Conditioner