User Manuals: LG URNU48GVLA2 Ceiling-mounted unit

Manuals and User Guides for LG URNU48GVLA2 Ceiling-mounted unit. We have 3 LG URNU48GVLA2 Ceiling-mounted unit manuals available for free PDF download: Installation Manual, Service Manual

LG URNU48GVLA2 Installation Manual (155 pages)

MultiV Ceiling Suspended Convertable Type Indoor Unit

Brand: LG | Category: Air Conditioner | Size: 17 MB

English

2
- Air Conditioner
  1
- Installation Manual
  1
- Table of Contents
  2
- Introduction
  
  3
- Installation
  
  4
- Safety Precautions
  
  4
- Installation
  
  6
  - Preparing Work for Installation
    6
  - Indoor Unit Installation
    8
  - Preparation of Piping
    9
  - Checking the Drainage
    11
  - Wiring Connection
    11
    
    Hand over
    12
    
    Wired Remote Controller Installation
    12
  - Side Cover Assembly
    13
  - Installation of Wired Remote Controller
    14
  - Wired Remote Controller
    18
  - Group Control Setting
    18
  - Group Control
    19
- Indoor Unit
  
  22
Italiano

24
Español

46
- Precauciones de Seguridad
  
  48
  - Unidad Interior
    48
- Instalación Componentes
  
  48
- Instalación
  
  50
Français

68
Deutsch

90
- Einführung
  
  91
- Sicherheitshinweise
  
  92
- Montage
  
  94
  - Wahl des Optimalen Standorts
    94
  - Vorbereitungen auf die Montage
    94
  - Innengerätemontage
    96
  - Vorbereiten der Rohre
    97
  - Überprüfung des Abflussess
    99
  - Anschluss der Kabel zwischen Innen- und Außeneinheit
    99
  - Seitenverkleidung
    101
  - Installation der Fernbedienung
    102
  - Einstellung der
    106
  - Gruppensteuerung
    106
Português

112
- Introdução
  
  113
- Precauções de Segurança
  
  114
  - Preparar O Trabalho de Instalação
    116
  - Instalação da Unidade Interna
    118
  - Preparação da Tubagem
    119
  - Unidade Interna
    120
  - Verificar a Drenagem
    121
  - Ligação da Cablagem
    121
  - Montagem da Cobertura Lateral
    123
  - Instalação Do Controlo Remoto Com Fios
    124
  - Remoto Com Fios
    128
  - Selecção Do Controlo de Grupo
    128
Unknown

134

LG URNU48GVLA2 Service Manual (138 pages)

Brand: LG | Category: Air Conditioner | Size: 13 MB

Table of Contents

2
- Safety Precautions
  3
Part 1 General Information

8
- 1 Model Names
  
  9
  - Indoor Unit
    9
  - Outdoor Unit
    10
- 2 External Appearance
  
  11
  - Indoor Unit
    11
  - Outdoor Unit
    12
- 3 Combination of Outdoor Units
  
  13
- 4 Nomenclature
  
  14
  - Indoor Unit
    14
  - Outdoor Unit
    14
- Part 2 Outdoor Units
  
  15
Function

17
- 1 Basic Control
  
  18
  - Normal Operation
    18
  - Compressor Control
    18
  - Master and Slave Unit's EEV Control
    19
- 2 Special Control
  
  20
  - Oil Return Control
    20
  - Partial Defrost
    23
  - Oil Equalizing Control
    24
- 3 Protection Control
  
  25
  - Pressure Protection Control
    25
  - Discharge Temperature Control
    26
  - Inverter Protection Control
    26
  - Phase Detection
    27
  - Pressure Switch
    27
- 4 Other Control
  
  28
  - Initial Setup
    28
  - Emergency Operation
    31
  - Refrigerant Auto Charging
    33
  - Refrigerant Amount Automatic Judgment
    35
  - Itr(Cooling)
    36
  - Itr(Heating)
    37
  - FDD Code
    39
  - Multi V ITR Result Report
    40
  - Pump down
    41
  - Pump out
    42
  - Auto Back up Function_Inverter Compressor
    44
  - Night Low Noise Function
    45
  - Vacuum Mode
    46
  - Static Pressure Compensation Mode
    46
  - Cool & Heat Selector
    47
- Part 3 PCB Setting and Test Run
  
  49
- Part 4 Trouble Shooting Guide
  
  54
Trouble Shooting Guide

55
- 1 The Phenomena from Main Component Failure
  
  56
- 2 Checking Method for Key Components
  
  57
  - Compressor
    57
  - Fan Motor
    58
  - Electronic Expansion Valve
    59
  - Phase Bridge Diode Checking Method
    62
  - Inverter IPM Checking Method
    63
  - Fan IPM Checking Method(UX3 Chassis)
    64
  - Fan IPM Checking Method(UX2 Chassis)
    65
  - Pressure Sensor(High/Low Pressure Sensor)
    66
  - Outdoor Fan
    66
  - Solenoid Valve
    67
  - Reverse Valve
    68
  - Temperature Sensor
    68
  - Others
    69
- 3 Self-Diagnosis Function
  
  70

LG URNU48GVLA2 Service Manual (95 pages)

Brand: LG | Category: Air Conditioner | Size: 11 MB

Table of Contents

2
- Safety Precautions
  3
Part 1 General Information

8
- Indoor Unit
  9
- Model Names
  9
- Outside Unit
  10
- External Appearance
  11
- Indoor Unit
  11
- Outside Unit
  12
- Combination of Outside Units
  13
- Indoor Unit
  14
- Nomenclature
  14
- Outside Unit
  14
- Part 2 Outside Units
  15
Function

16
- Basic Control
  17
- Compressor Control
  17
- Normal Operation
  17
- Master and Slave Unit's EEV Control
  18
- Oil Return Control
  19
- Special Control
  19
- Oil Equalizing Control
  21
- Stop Operation
  21
- Pressure Protection Control
  22
- Protection Control
  22
- Discharge Temperature Control
  23
- Inverter Protection Control
  23
- Phase Detection
  24
- Pressure Switch
  24
- Initial Setup
  25
- Other Control
  25
- Cool & Heat Selector
  28
- Geothermal Mode
  29
- 220 V out for Solenoid Valve
  30
- Variable Water Flow Control
  31
- Outside Unit Adress
  32
- Using a Sump Heater
  33
- Vacum Mode
  34
- Forced Oil Return
  35
- Refrigerant Noise Reduction Mode
  36
- Cycle Data View
  37
- Part 3 PCB Setting and Test Run
  38
- Part 4 Trouble Shooting Guide
  43
Trouble Shooting Guide

44
- The Phenomena from Main Component Failure
  45
- Checking Method for Key Components
  46
- Compressor
  46
- Electronic Expansion Valve
  47
- Phase Bridge Diode Checking Method
  50
- Inverter IPM/IGBT Checking Method
  51
- Outdoor Fan
  52
- Pressure Sensor(High/Low Pressure Sensor)
  52
- Solenoid Valve
  53
- Reverse Valve
  54
- Temperature Sensor
  54
- Others
  55
- Self-Diagnosis Function
  56

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User Manuals: LG URNU48GVLA2 Ceiling-mounted unit

LG URNU48GVLA2 Installation Manual (155 pages)

Table of Contents

English

Introduction

Installation

Safety Precautions

Installation

Indoor Unit

Italiano

Installazione Componeti

Precauzioni DI Sicurezza

Installazione

Español

Precauciones de Seguridad

Instalación Componentes

Instalación

Français

4Introduction

Mesures de Sécurité

Installation

Deutsch

Einführung

Sicherheitshinweise

Montage

Português

Introdução

Precauções de Segurança

Unknown

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LG URNU48GVLA2 Service Manual (138 pages)

Table of Contents

Table of Contents

Part 1 General Information

1 Model Names

2 External Appearance

3 Combination of Outdoor Units

4 Nomenclature

Part 2 Outdoor Units

Function

1 Basic Control

2 Special Control

3 Protection Control

4 Other Control

Part 3 PCB Setting and Test Run

Part 4 Trouble Shooting Guide

Trouble Shooting Guide

1 The Phenomena from Main Component Failure

2 Checking Method for Key Components

3 Self-Diagnosis Function

LG URNU48GVLA2 Service Manual (95 pages)

Table of Contents

Table of Contents

Part 1 General Information

Function

Trouble Shooting Guide

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LG Categories