LG ARNU28GTHA1 Manuals

Manuals and User Guides for LG ARNU28GTHA1. We have 1 LG ARNU28GTHA1 manual available for free PDF download: Service Manual

LG ARNU28GTHA1 Service Manual

LG ARNU28GTHA1 Service Manual (338 pages)

Multi V Plus System

Brand: LG | Category: Air Conditioner | Size: 16.08 MB

Table of Contents

Air Conditioner Service Manual

2
- Air Conditioner
  1
- Table of Contents
  2
- Safety Precautions
  3
Part 1 General Information

10
- Model Names
  
  11
  - Indoor Unit
    11
    
    Outdoor Unit
    11
- External Appearance
  
  12
  - Indoor Unit
    12
    
    Outdoor Unit
    13
- Combination of Outdoor Units
  
  14
- Nomenclature
  
  15
  - Indoor Unit
    15
    
    Outdoor Unit
    15
- Outdoor Units Information
  
  16
  - Heat Pump
    17
- Indoor Units
  
  19
Ceiling Mounted Cassette Type (1Way)

21
- Specifications
  22
- Functions
  23
- Cooling Mode Operation
  24
- Operation Detail
  24
- Heating Mode Operation
  25
- Dimensions
  26
- Piping Diagrams
  27
- Wiring Diagrams
  28
Ceiling Mounted Cassette Type (2Way)

29
- Specifications
  30
- Functions
  32
- Operation Details
  33
- Dimensions
  35
- Piping Diagrams
  36
- Wiring Diagrams
  37
Ceiling Mounted Cassette Type (4Way)

39
- Specifications
  40
- Functions
  43
- Operation Details
  45
- Dimensions
  46
- Piping Diagrams
  48
- Wiring Diagrams
  49
Art Cool Type

51
- Specification
  52
- Functions
  53
- Operation Details
  54
  - Sleep Timer Operation
    58
  - Forced Operation
    59
  - Test Operation
    59
- Dimensions
  61
- Piping Diagrams
  62
- Wiring Diagrams
  63
Art Cool Type(Wide)

65
- Specification
  66
- Functions
  67
- Operation Details
  68
- Test Operation Control
  73
- Dimensions
  75
- Piping Diagrams
  76
- Wiring Diagrams
  77
Art Cool Type(Mirror)

79
- Specification
  80
- Functions
  82
- Operation Details
  83
- Dimensions
  90
- Piping Diagrams
  91
- Wiring Diagrams
  92
Ceiling Concealed Duct Type (Low Static)

95
- Specifications
  97
- Funtion
  98
- Operation Details
  99
- Dimensional Drawings
  102
- Dimensions
  102
- Front View
  102
- Piping Diagrams
  103
- Wiring Diagrams
  104
Ceiling Concealed Duct Type (Built In)

105
- Specifications
  106
- Funtion
  108
- Operation Details
  109
- Dimensions
  112
- Piping Diagrams
  113
- Wiring Diagrams
  114
Ceiling Concealed Duct Type (High Static)

115
- Specifications
  116
- Funtion
  119
- Operation Details
  120
- Dimensions
  123
- Piping Diagrams
  124
- Wiring Diagrams
  125
Wall Mounted Type

127
- Specification
  128
- Functions
  130
- Operation Details
  131
- Dimensions
  138
- Piping Diagrams
  139
- Wiring Diagrams
  140
Convertible Type

141
- Specifications
  142
- Funtion
  144
- Operation Details
  145
- Dimensions
  148
- Piping Diagrams
  150
- Wiring Diagrams
  151
Floor Standing Type

153
- Specifications
  154
- Funtion
  156
- Operation Details
  157
- Dimensions
  160
- Piping Diagrams
  161
- Wiring Diagrams
  162
- Outdoor Units
  163
  - Cooling Operation
    183
  - Heating Operation
    184
6. Function

196
- 1 Basic Control
  
  197
  - Normal Operation
    197
  - Compressor Control
    197
  - Main and Sub Unit's EEV Control
    198
  - Fan Control
    199
  - Fan Mode
    199
- 2 Special Control
  
  200
  - Oil Return Control
    200
  - Defrost Control
    201
  - Oil Equalizing Control
    204
  - Stopping Operation
    207
- 3 Protection Control
  
  209
  - Pressure Protection Control
    209
  - Discharge Temperature Control
    211
  - Inverter Protection Control
    211
  - Liquid Back Control
    212
  - Phase Detection
    213
  - Pressure Switch
    213
- 4 Other Control
  
  214
  - Initial Setup
    214
  - Instant Indoor Unit Checking Mode
    217
  - Emergency Operation
    218
    
    Pcb Setting and Test Run
    219
    
    Test Run
    220
    
    Replacement Procedure
    227
- Trouble Shooting Guide
  
  229
  - Troubleshooting Guide
    246
- Exploded View & Replacement Parts List
  
  297
  - Main Unit
    303

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