LG ARNU Series Manuals

Manuals and User Guides for LG ARNU Series. We have 4 LG ARNU Series manuals available for free PDF download: Service Manual, Installation Manual

LG ARNU Series Service Manual (338 pages)

Multi V Plus System

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

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

LG ARNU Series Service Manual (226 pages)

MULTI V SPACE SYSTEM

Brand: LG | Category: Air Conditioner | Size: 21.06 MB

Table of Contents

2
- Air Conditioner
  1
- Safety Precautions
  3
- Model Names
  11
- External Appearance
  12
  - Outdoor Unit
    13
- Nomenclature
  14
- Outdoor Units Information
  15
- Indoor Units
  17
Ceiling Mounted Cassette Type (4Way)

19
- Specifications
  20
- Functions
  23
- Operation Detail
  24
- Dimensions
  26
- Piping Diagrams
  28
- Wiring Diagrams
  29
Art Cool Type

31
- Specification
  32
- Functions
  33
- Operation Details
  34
  - Forced Operation
    39
  - Test Operation
    39
- Dimensions
  41
- Piping Diagrams
  42
Art Cool Type(Wide)

45
- Specification
  46
- Operation Details
  48
- Test Operation Control
  53
- Dimensions
  55
- Piping Diagrams
  56
- Wiring Diagrams
  57
Ceiling Concealed Duct Type (Low Static)

58
- Specifications
  59
- Funtion
  61
- Operation Details
  62
- Dimensions
  65
- Piping Diagrams
  66
- Wiring Diagrams
  67
Ceiling Concealed Duct Type (High Static)

68
- Funtion
  71
- Operation Details
  72
- Dimensions
  75
- Piping Diagrams
  76
- Wiring Diagrams
  77
- Outdoor Units
  79
Arun Series

80
- Specifications
  81
- Parts
  82
- Dimensions
  86
- Piping Diagrams
  87
- Wiring Diagrams
  88
  - Fan Board
    90
6. Function

91
- Function
  
  92
- Basic Control
  
  92
  - Normal Operation
    92
  - Compressor Control
    92
  - Fan Control
    92
- Special Control
  
  93
  - Oil Return Control
    93
  - Defrost Control
    95
  - Oil Equalizing Control
    96
  - Stopping Operation
    96
- Protection Control
  
  97
  - Pressure Protection Control
    97
  - Discharge Temperature Control
    99
  - Inverter Protection Control
    99
  - Liquid Back Control
    100
  - Phase Detection
    100
- Other Control
  
  101
  - Initial Setup
    101
  - Instant Indoor Unit Checking Mode
    103
  - Emergency Operation
    104
    
    Test Run
    105
    
    Dip Switch Setting
    106
    
    Main Pcb
    106
    
    Replacement Procedure for Compressor
    111
  - Trouble Shooting Guide
    113
Trouble Shooting Guide

114
- 1 The Phenomena from Main Component Failure
  
  115
- 2 Checking Method for Key Components
  
  116
  - Compressor
    116
  - Fan Motor
    117
  - Linear Expansion Valve
    118
  - 3Phase Bridge Diode
    121
  - Ipm(Integrated Power Module)
    122
  - Other
    123
- 3 Self-Diagnosis Function
  
  124
  - Exploded View & Replacement Parts List
    183

LG ARNU Series Service Manual (121 pages)

Brand: LG | Category: Air Conditioner | Size: 6.05 MB

Table of Contents
2
Part 1 General Information

3
- Model Names
  
  4
- External Appearance
  
  5
- Nomenclature
  
  6
Part 2 Indoor Units

7
- Ceiling Mounted Cassette Type (1 Way)
  8
- Functions
  9
- Cooling Mode Operation
  10
- Operation Detail
  10
- Soft-Dry Operation
  10
- The Function of Main Control
  10
- Heating Mode Operation
  11
- Hot-Start Control
  11
- Way
  11
  - Dimensions
    12
  - Ceiling Mounted Cassette Type (2Way)
    16
  - Way
    19
    
    Ceiling Mounted Cassette Type (4Way) (1)
    21
    
    Swirl Swing Control
    23
  - Way(1)
    24
  - Ceiling Mounted Cassette Type (4Way) (2)
    27
  - Way(2)
    30
    
    Art Cool Type (Mirror)
    34
    
    Display
    36
    
    Healthy Dehumidification Mode
    36
    
    Defrost Control
    37
    
    Fuzzy Operation (Outdoor Unit C/O Model)
    37
    
    Fuzzy Operation (Outdoor Unit H/P Model)
    37
    
    Fuzzy Operation for Cooling
    38
    
    Fuzzy Operation for Dehumidification
    38
    
    Airflow Speed Selection
    39
    
    Fuzzy Operation for Heating
    39
    
    Off-Timer Operation
    39
    
    On-Timer Operation
    39
    
    Chaos Swing Mode
    40
    
    Jet Cool Mode Operation
    40
    
    Off-Timer = On-Timer Operation
    40
    
    Sleep Timer Operation
    40
    
    Forced Operation (Outdoor Unit C/O Model)
    41
    
    Forced Operation (Outdoor Unit H/P Model)
    41
    
    Protection of the Evaporator Pipe from Frosting
    41
    
    Test Operation Control
    41
    
    Air Cleaner Operation
    42
    
    Buzzer Sounding Operation
    42
  - Art Cool Type(Gallery)
    45
  - Artcoolgallery
    45
    
    Auto Restarting Operation
    51
    
    Chaos Natural Wind Mode
    51
  - Ceiling Concealed Duct Type (Low Static)
    55
  - High Static
    58
  - Low Static
    58
  - Ceiling Concealed Duct Type (Built In)
    61
  - Ceiling Concealed Duct Type (High Static)
    67
    
    Wall Mountedd Type
    76
    
    Forced Operation
    83
    
    Test Operation
    83
  - Ceiling & Floor Ceiling Suspended
    87
  - Floor Standing Type
    94
  - Vertical Air Handling Unit
    101
Part 3 Trouble Shooting Guide

109
- Trouble Shooting Guide
  110
- Troubleshooting
  111
- Self-Diagnosis Function
  111
- Error Indicator
  111
- Error Display
  111
- Indoor Unit Air Sensor Error
  112
- Indoor Unit Pipe Inlet Sensor Error
  112
- Indoor Unit Pipe Outlet Sensor Error
  112
- No Transmission between Cabled Remote Controller & Indoor Unit
  113
- Drain Pump Error
  114
- Indoor & Outdoor Unit Transmission Error
  116
- Indoor Unit Outlet Pipe Temperature Sensor Error
  117
- All Indoor Units Are Not Running in same Mode
  117
- Indoor Unit EEPROM Error
  118
- Indoor Unit BLDC Fan Motor Failure
  119

LG ARNU Series Installation Manual (29 pages)

Wall Mounted

Brand: LG | Category: Air Conditioner | Size: 7.21 MB

Tips for Saving Energy
3
Important Safety Instructions

4
- Table of Contents
  7
Installation Parts

8
Installation Tools

8
Installation Map

9
Installation

10
- Select the Best Location
  10
- Fixing Installation Plate (SJ/SK)
  10
- Drill a Hole in the Wall
  11
- Flaring Work
  11
- Connecting the Piping
  12
- Checking the Drainage
  16
- Manual the Decor, Air Filter Assembly & Disassembly
  18
- Wiring Connection
  19
- DIP Switch Setting
  22
- Group Control Setting
  23
- Model Designation
  28
- Airborne Noise Emission
  28
- Limiting Concentration
  28

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More LG Manuals

LG ARNU Series Manuals

LG ARNU Series Service Manual (338 pages)

Table of Contents

Air Conditioner Service Manual

Part 1 General Information

Model Names

External Appearance

Combination of Outdoor Units

Nomenclature

Outdoor Units Information

Indoor Units

Ceiling Mounted Cassette Type (1Way)

Ceiling Mounted Cassette Type (2Way)

Ceiling Mounted Cassette Type (4Way)

Art Cool Type

Art Cool Type(Wide)

Art Cool Type(Mirror)

Ceiling Concealed Duct Type (Low Static)

Ceiling Concealed Duct Type (Built In)

Ceiling Concealed Duct Type (High Static)

Wall Mounted Type

Convertible Type

Floor Standing Type

6. Function

1 Basic Control

2 Special Control

3 Protection Control

4 Other Control

Trouble Shooting Guide

Exploded View & Replacement Parts List

LG ARNU Series Service Manual (226 pages)

Table of Contents

Table of Contents

Ceiling Mounted Cassette Type (4Way)

Art Cool Type

Art Cool Type(Wide)

Ceiling Concealed Duct Type (Low Static)

Ceiling Concealed Duct Type (High Static)

Arun Series

6. Function

Function

Basic Control

Special Control

Protection Control

Other Control

Trouble Shooting Guide

1 The Phenomena from Main Component Failure

2 Checking Method for Key Components

3 Self-Diagnosis Function

LG ARNU Series Service Manual (121 pages)

Table of Contents

Part 1 General Information

Model Names

External Appearance

Nomenclature

Part 2 Indoor Units

Part 3 Trouble Shooting Guide

LG ARNU Series Installation Manual (29 pages)

Table of Contents

Important Safety Instructions

Installation Parts

Installation Tools

Installation Map

Installation

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LG Categories