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LG AMNH09GD4L0 - User Manual

LG AMNH09GD4L0
268 pages
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LG
Multi Type Air Conditioner
SERVICE MANUAL
LG
CAUTION
website http://www.lgservice.com
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
MODEL
Indoor Unit:
Outdoor Unit: A2UW146FA0
A2UW146FA1
A2UW146FA2
A2UW166FA0
A2UW166FA1
A2UW186FA0
A3UW186FA0
A3UW186FA1
A3UW246FA0
A4UW246FA0
A4UW306FA0
A4UW306FA1
A6UW406FA0
Room Type
Art Cool Deluxe Type
Duct Type 1 Way CST
AMNH096BTG0
AMNH126BTG0
AMNH186BTG0
AMNH096BPA0
AMNH126BPA0
AMNH186BHA0
AMNH246BHA0
AMNC246BHA0
AMNH306BGA0
AMNC306BGA0
AMNH366BGA0
AMNC366BGA0
AMNH09GB1A0
AMNH12GB1A0
AMNH18GB2A0
AMNH24GB2A0
AMNH076LQL0
AMNH096LQL0
AMNH096LRL0
AMNH126LRL0
AMNH186LTL0
AMNH246LTL0
AMNH07GD4L0
AMNH09GD4L0
AMNH12GD4L0
AMNH18GD5L0
AMNH24GD5L0
AMNH096AP*1
AMNH126AP*1
AMNH076DZ*0
AMNH096DU*0
AMNH126DU*0
AMNH186D3*0
AMNH246D3*0
AMNH07GDZ*0
AMNH09GDU*0
AMNH12GDU*0
AMNH18GD3*0
AMNH24GD3*0
AMNH07GDE*0
AMNH09GDE*0
AMNH12GDE*0
AMNH096TCC0
AMNC096TCC0
AMNH126TCC0
AMNC126TCC0
AMNH09GTCC0
AMNH12GTCC0
4 Way CST
AMNH096TEC0
AMNH126TEC0
AMNH186TEC0
AMNH246TFC0
AMNH306TFC0
AMNH366TDC0
AMNH306TFA0
AMNC306TFC0
AMNC366TDC0
AMNH09GTEF0
AMNH12GTEF0
AMNH18GTEF0
AMNH24GTHF0
CVT
AMNH096VEA0
AMNH126VEA0
AMNH186VBA0
AMNH246VBA0
Art Cool Type

Table of Contents

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LG AMNH09GD4L0 Specifications

General IconGeneral
BrandLG
ModelAMNH09GD4L0
CategoryAir Conditioner
LanguageEnglish

Summary

Model Number Nomenclature

Indoor Unit Model Number Details

Explains the structure and meaning of model numbers for LG indoor units.

Outdoor Unit Model Number Details

Explains the structure and meaning of model numbers for LG outdoor units.

Safety Precautions

General Safety Instructions

Outlines essential safety instructions to prevent injury and property damage.

Installation Safety Precautions

Details safety measures during the installation process to avoid hazards.

Operational Safety Precautions

Covers safety guidelines for operating the air conditioner to prevent risks.

Dimensions

Indoor Unit Dimensions

Provides detailed dimensions for various types of LG indoor units.

Outdoor Unit Dimensions

Presents the physical dimensions for different LG outdoor unit models.

Product Specifications

Indoor Unit Specifications

Lists technical details and specifications for various LG indoor units.

Outdoor Unit Specifications

Details the technical specifications for LG outdoor units, including capacity and power.

Installation

Select Indoor Unit Location

Guidelines for choosing the optimal placement for indoor units to ensure proper function.

Piping and Drainage Preparation

Instructions for preparing refrigerant piping and drain hoses for installation.

Connecting Pipings and the cable to Outdoor unit

Steps for connecting refrigerant pipes and cables to the outdoor unit.

Operation

Function of Indoor Unit

Describes the various operating modes for split and Art Cool type indoor units.

Function of Outdoor Unit

Explains the functions and algorithms of the outdoor unit.

Remote Control Operation Guide

Details the functions and buttons of the remote control for operating the air conditioner.

Control Devices and Function

Simple Central Control System

Overview of the simple central control system features and benefits.

Deluxe Central Control System

Introduction to the Deluxe Central Control system and its capabilities.

Disassembly of the parts (Indoor unit)

Split Type Indoor Unit Disassembly

Step-by-step guide for disassembling split type indoor units.

Art Cool Deluxe Type Indoor Unit Disassembly

Steps for disassembling Art Cool Deluxe indoor units.

Schematic Diagram

Indoor Unit Schematic Diagrams

Electrical schematic diagrams for various indoor unit types.

Outdoor Unit Schematic Diagrams

Electrical schematic diagrams for outdoor units.

Wiring Diagrams

Wiring diagrams for various indoor and outdoor unit types.

Troubleshooting Guide

Refrigeration Cycle Diagrams

Diagrams illustrating the refrigerant flow for different outdoor unit models.

Self-diagnosis Function Codes

Explains error codes and indicators for self-diagnosis of the air conditioner.

Outdoor Error Indicators

Details error codes and their corresponding causes for outdoor units.

(3-way) Valve

3-Way Valve Operation Guide

Explains the operation and shaft positions of 3-way valves for liquid and gas sides.

Pumping Down Procedure

Step-by-step guide for performing the pumping down process.

Gas Charging Procedure

Steps for charging the system with refrigerant after evacuation.

Exploded View & Replacement Parts List

Indoor Unit Parts List

Exploded views and part numbers for various indoor units.

Outdoor Unit Parts List

Exploded views and part numbers for outdoor units.

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