LG A7UW428FA0 Manuals

Manuals and User Guides for LG A7UW428FA0. We have 3 LG A7UW428FA0 manuals available for free PDF download: Service Manual, Installation Manual

LG A7UW428FA0 Service Manual (249 pages)

Multi Type Air Conditioner

Brand: LG | Category: Air Conditioner | Size: 32.31 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

32
- Select the Best Location of Indoor Unit
  32
- How to Fix
  35
- Fixing Indoor Unit
  37
- Piping and Drainage of Indoor Unit
  42
- Connection of Indoor Unit Piping
  43
  - Ceiling Mounting
    55
  - Drill a Hole in the Wall
    56
  - Drain Hose
    57
  - Indoor Unit Installation
    63
- Remote Controller Installation
  66
- Connecting Pipings and the Cable to Outdoor Unit
  68
- Checking the Drainage and Pipe Forming
  70
  - Electrical Characteristics
    70
  - Drain Piping
    73
- Maximum Length of Pipe and Extra Charge of Refrigerant Charge
  76
- Test Running
  83
- System Layout and Piping Length
  86
- Installation
  90
- Installation of the Main Unit
  91
- Connection of Piping
  92
- Connection of Wiring
  93
Operation

94
- Function of Control
  94
  - Sleep Timer Operation
    97
  - Forced Operation
    98
- Function of Indoor Unit
  99
- Function of Outdoor Unit
  105
- Remote Control Operation
  106
- Wiring Design
  110
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
  151
- Components Locations
  155
3 ) Central Control PCB)

164
- Top View
  164
Troubleshooting Guide

173
- Refrigeration Cycle Diagram
  173
- Self-Diagnosis Function
  175
- Cycle Troubleshooting Guide
  176
- Electronic Parts Troubleshooting Guide
  177
- General Information
  182
(3-Way) Valve

201
- Pumping down
  202
- Gas Charging
  204
Exploded View & Replacement Parts List

205
- Indoor Unit
  205
- Outdoor Unit
  245
246 Multi Type Air Conditioner

246

LG A7UW428FA0 Service Manual (242 pages)

Multi Type Air Conditioner

Brand: LG | Category: Air Conditioner | Size: 21.77 MB

Model Number Nomenclature

0
- Symbols Used in this Manual
  0
- Table of Contents
  2
Safety Precautions

6
Dimensions

6
- Indoor Unit
  6
- Outdoor Unit
  15
Product Specifications

16
Installation

26
Operation

87
- Function of Control
  87
  - Sleep Timer Operation
    90
  - Jet Cool Mode Operation
    90
  - Forced Operation
    91
- Function of Indoor Unit
  92
- Function of Outdoor Unit
  98
- Remote Control Operation
  99
- Wiring Design
  103
Control Devices and Function

107
- Simple Central Control
  107
- Term of each Part and Function
  107
- Electrical Wiring
  108
  - Test Run Method
    111
  - Rotary Switch
    113
- Deluxe Central Control
  114
  - System Control
    118
  - System Configuration
    119
  - Main Specifications
    119
  - Control System
    119
Disassembly of the Parts (Indoor Unit)

120
- Indoor Unit
  120
Schematic Diagram

135
- Electronic Control Device
  135
- Wiring Diagram
  144
- Components Locations
  148
Troubleshooting Guide

166
- Refrigeration Cycle Diagram
  166
- Self-Diagnosis Function
  168
- Cycle Troubleshooting Guide
  169
- Electronic Parts Troubleshooting Guide
  170
- When the Louver Does Not Operate
  174
- General Information
  175
(3-Way) Valve

194
Exploded View & Replacement Parts List

198
- Indoor Unit
  198
- Outdoor Unit
  238
244 Multi Type Air Conditioner

238

LG A7UW428FA0 Installation Manual (29 pages)

Brand: LG | Category: Air Conditioner | Size: 7.88 MB

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LG A7UW428FA0 Manuals

LG A7UW428FA0 Service Manual (249 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

246 Multi Type Air Conditioner

LG A7UW428FA0 Service Manual (242 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

Troubleshooting Guide

(3-Way) Valve

Exploded View & Replacement Parts List

244 Multi Type Air Conditioner

LG A7UW428FA0 Installation Manual (29 pages)

Table of Contents

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