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LG ABUW366KSA1 - User Manual

LG ABUW366KSA1
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

Safety measures during installation.

Operational Safety

Safety measures during operation.

Model Number Nomenclature

Product Specifications

Dimensions

Indoor Unit Dimensions

Detailed measurements for the indoor unit.

Outdoor Unit Dimensions

Detailed measurements for the outdoor unit.

Refrigeration Cycle Diagram

Wiring Diagram

Indoor Unit Wiring

Electrical connections for the indoor unit.

Outdoor Unit Wiring

Electrical connections for the outdoor unit.

Electronic Control Device

Main PCB Assembly

Assembly details of the main printed circuit board.

Functions

Indoor Unit Functions

Features and operations of the indoor unit.

Remote Controller Functions

Features and operations of the remote controller.

Operation Details

Key Operation Modes

Details on time delay, soft-dry, cooling, and heating modes.

Defrost and Self-Diagnosis

Explanation of defrost control and self-diagnosis features.

Installation of Indoor, Outdoor Unit

Unit Location Selection

Guidelines for selecting the best location for indoor and outdoor units.

Piping and Drain Installation

Specifications for piping length, elevation, and drain setup.

Electrical Wiring and Connections

Instructions for electrical wiring and connections.

Refrigerant Piping Preparation

Steps for preparing refrigerant piping.

Connecting Pipes to Outdoor Unit

Connecting Pipes

Steps for connecting refrigerant pipes to the outdoor unit.

Checking Drainage

Procedure to verify proper drainage.

Connecting Cables

Indoor to Outdoor Unit Cable Connection

How to connect cables between indoor and outdoor units.

Piping Insulation and Long Pipe Setting

Insulation and setup for long pipe runs.

Air Purging

Air Purging Procedure

Steps to remove air and moisture from the refrigeration cycle.

Group Control and Thermistor System

Group Control Operation

How to operate multiple units together.

Two Thermistor System Setup

Configuration for selecting thermistor modes.

Cycle Troubleshooting Guide

Self-diagnosis and Error Codes

Overview of self-diagnosis and error code interpretation.

Troubleshooting Common Issues

Detailed steps for compressor, fan, and sensor problems.

Troubleshooting Electrical Faults

Steps for diagnosing electrical and voltage-related faults.

Exploded View and Replacement Parts List

Indoor Unit Parts

List of parts for the indoor unit with part numbers.

Outdoor Unit Parts

List of parts for the outdoor unit with part numbers.

LG ABUW366KSA1 Specifications

General IconGeneral
BrandLG
ModelABUW366KSA1
CategoryAir Conditioner
LanguageEnglish

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