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LG ABUW486KSA1 - User Manual

LG ABUW486KSA1
73 pages
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LG
Ceiling Duct 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.
MODELS: ABNW366KSA1 ABUW366KSA1
ABNW426KSA1 ABUW426KSA1
ABNW486KSA1 ABUW486KSA1
ABNW606LTA1 ABUW606LTA1
ABNW366KSA3 ABUW366KSA3
ABNW426KSA3 ABUW426KSA3
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Summary

Safety Precautions

Installation Safety

Instructions and warnings for safe installation of the air conditioner unit.

Operational Safety

Guidelines and warnings for safe operation of the air conditioner.

Model Number Nomenclature

Model Code Breakdown

Explanation of the coding system used for model numbers.

Product Specifications

Cooling and Heating Specs

Technical specifications for cooling and heating modes.

Dimensions

Indoor Unit Dimensions

Detailed physical dimensions and connection port information for indoor units.

Outdoor Unit Dimensions

Physical dimensions for specific outdoor unit models.

Refrigeration Cycle Diagram

Cycle Schematics

Schematic diagrams illustrating the refrigeration cycle.

Wiring Diagram

Indoor Unit Wiring Diagram

Electrical wiring schematic for the indoor unit.

Outdoor Unit Wiring Diagram

Electrical wiring schematics for specific outdoor units.

Electronic Control Device

Main PCB Assembly

Diagram of the main Printed Circuit Board (PCB) assembly.

Functions

Indoor Unit Functions

Overview of functions and features of the indoor unit.

Remote Controller Functions

Explanation of remote controller functions and display symbols.

Operation Details

Key Operation Functions

Details on safety controls, modes, and self-diagnosis functions.

Installation Procedures

Location Selection & Piping

Guidance on optimal locations, piping, and elevation specifications.

Unit Installation Methods

Procedures for installing indoor and outdoor units, including wiring and controls.

Piping Preparation and Brazing

Detailed steps for preparing and brazing refrigerant pipes.

Connecting and Purging Systems

Steps for connecting pipes, checking drainage, and air purging.

System Control Features

Group Control Setup

How to set up and wire units for group control.

Two Thermistor System

Options for setting up the two-thermistor system.

Troubleshooting Guide

Self-diagnosis and Error Codes

Table of error codes and descriptions for unit issues.

Trouble Analysis Methods

Methods for analyzing operational issues based on parameters.

Specific Troubleshooting Steps

Detailed troubleshooting for specific error codes and components.

Exploded View and Parts List

Indoor Unit Components

Exploded diagrams and parts list for indoor units.

Outdoor Unit Components

Exploded diagrams and parts list for outdoor units.

LG ABUW486KSA1 Specifications

General IconGeneral
BrandLG
ModelABUW486KSA1
CategoryAir Conditioner
LanguageEnglish

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