LG UB48 NRB Manuals

Manuals and User Guides for LG UB48 NRB. We have 1 LG UB48 NRB manual available for free PDF download: Service Manual

LG UB48 NRB Service Manual

LG UB48 NRB Service Manual (183 pages)

Universal System Air Conditioner

Brand: LG | Category: Air Conditioner | Size: 7.87 MB

Table of Contents

Table of Contents

2
- Service Manual
  1
- Safety Precautions
  
  3
- Indoor Units
  
  7
  - I. Indoor Units Introduction
    7
  - Introduction
    8
    
    Models List
    8
    
    Model Number Nomenclature
    9
Ceiling Cassette 4-Way

10
- Features & Benefits
  11
  - Child Lock Function
    13
  - Auto Restart Operation
    14
  - Group Control
    14
- List of Functions
  15
- Specifications
  16
- Dimensional Drawings
  18
- Wiring Diagrams
  21
- Piping Diagrams
  22
- Operating Instructions
  23
- Installation
  25
- Accessories
  30
Ceiling & Floor

31
- Features & Benefits
  32
- List of Functions
  33
- Specifications
  34
- Dimensional Drawings
  35
- Wiring Diagrams
  37
- Piping Diagrams
  38
- Operating Instructions
  39
  - Remote Control Operation
    39
- Installation
  40
  - Installation Parts Provided
    40
- Accessories
  44
Ceiling Concealed Duct

45
- Features & Benefits
  46
- List of Functions
  48
- Specifications
  49
- Dimensional Drawings
  51
- Wiring Diagrams
  52
- Piping Diagrams
  53
- Setting for
  54
- Name and Function of Remote Controller
  58
- Operationg Instruction
  58
- Wireless Remote Controller
  59
- Installation
  60
- Checking the Drainage
  63
- Accessories
  65
- II. Outdoor Units Introduction
  66
- Outdoor Units
  67
  - Ceiling & Floor
    67
  - Ceiling Concealed Duct
    67
  - Introduction
    68
Mps Inverter Single a

69
- Features & Benefits
  70
- Specifications
  72
- Dimensional Drawings
  76
- Wiring Diagrams
  80
  - Outdoor Wiring Diagram
    83
  - Wiring Diagram
    84
- Piping Diagram
  86
- Electric Characteristics
  89
- Operation Range
  90
- Installation
  91
  - Select the Best Location
    91
  - Lifting Method
    93
III. Troubleshooting Guide

95
- Troubleshooting Guide
  
  95
- Electronic Control Device
  
  119
  - Ceiling Duct Type
    121
  - Ceiling Cassette Type
    126
  - Ceiling Duct Type
    127
  - Ceiling & Floor
    128
- Schematic Diagram
  
  128
- Functional Description
  
  129
  - Cooling Mode Operation
    130
  - Heating Mode Operation
    131
  - Ceiling Duct Type
    132
  - Ceiling & Floor
    135
  - Outdoor Units
    138
    
    Eev Control
    140
    
    Fan Control
    141
    
    Special Control
    142
    
    Defrost Control
    142
    
    Low Ambient Control
    143
    
    Oil Return Control
    143
    
    Oil Equalizing Control
    144
    
    Protection Control
    146
    
    Discharge Temperature Control
    146
    
    Parts List
    162
- VII. Explode View and Replacement Parts List
  
  169
  - Outdoor Units
    169
  - Panel Assembly, Front
    179
- Universal System Air Conditioner
  
  180

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