EasyManua.ls Logo

LG ATNH126ELFC User Manual

LG ATNH126ELFC
174 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
LG
Synchro
Air Conditioner
SERVICE MANUAL
LG
CAUTION
website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
Question and Answer IconNeed help?

Do you have a question about the LG ATNH126ELFC and is the answer not in the manual?

LG ATNH126ELFC Specifications

General IconGeneral
Cooling Capacity (Ton)1 Ton
RefrigerantR32
TypeSplit Air Conditioner
Cooling Capacity12000 BTU/h
Power Supply220-240V, 50Hz
Operating Temperature (Cooling)18°C to 43°C
Noise Level (Outdoor)50 dB

Summary

Model Number Nomenclature

Indoor Unit Model Number Structure

Explains the structure and components of the indoor unit model number.

Outdoor Unit Model Number Structure

Explains the structure and components of the outdoor unit model number.

Safety Precautions

General Safety Warnings

Provides general safety warnings and symbol meanings for safe operation.

Installation Safety

Crucial safety guidelines to follow during the installation process.

Model Names and Specifications

Indoor Unit Model Names and Specifications

Lists and details various indoor unit models and their specifications.

Outdoor Unit Model Names and Specifications

Lists and details various outdoor unit models and their specifications.

External Appearance and Dimensions

Indoor Unit External Appearance

Visual representation and identification of different indoor unit types.

Outdoor Unit Dimensions

Provides detailed dimensions for outdoor units AUUH488C, AUUH728C, and AUUH1008C.

Product Specifications

Indoor Unit Specifications Overview

Detailed technical specifications for various indoor unit types.

Outdoor Unit Specifications Overview

Detailed technical specifications for outdoor units.

Installation Procedures

Indoor Unit Cassette Type Installation

Step-by-step installation guide for cassette type indoor units.

Outdoor Unit Installation Guidelines

Guidelines for selecting location and space requirements for outdoor units.

Piping and Wiring Connections

Instructions for connecting pipes and electrical wiring.

Operation Modes and Controls

Main Unit Functions and Indicators

Overview of main unit operational indicators and functions.

Cooling, Heating, and Fuzzy Operations

Detailed explanation of cooling, heating, and fuzzy mode operations.

Remote Controller Operations

Guides for operating various types of remote controllers (CST, Duct, Convertible).

Control Devices and System Configuration

Simple Central Control System Overview

Features and connection details for simple central control systems.

Deluxe Central Control System Features

Overview, characteristics, and configurations of the deluxe central control system.

Schematic and Wiring Diagrams

Indoor Unit Electronic Control Schematics

Schematic diagrams for electronic control devices of indoor units.

Outdoor Unit Wiring Diagrams

Wiring diagrams illustrating connections for outdoor units.

Piping Diagrams

AUUH488C Piping Configurations

Piping diagrams for AUUH488C models (Duo, Trio, Quartet).

AUUH728C Piping Configurations

Piping diagrams for AUUH728C models (Duo, Trio, Quartet).

AUUH1008C Piping Configurations

Piping diagrams for AUUH1008C models (Duo, Trio, Quartet).

Troubleshooting Guide

Cycle Troubleshooting Analysis

Analysis of temperature difference and operating current for cycle issues.

Product Operation Troubleshooting

Guides for troubleshooting common operational failures.

Sensor and Communication Error Codes

Troubleshooting steps for specific sensor and communication error codes.

(3-way) Valve Procedures

Pumping Down Procedure

Step-by-step guide for pumping down the system.

Evacuation Procedure

Procedure for evacuating refrigerant from the system.

Gas Charging Procedure

Procedure for charging the system with refrigerant.

Unit Functions and Controls

Ceiling Cassette Type Functions

Explanation of functions like Auto Swing, Soft-Dry, Cooling, and Heating modes.

Outdoor Unit Control Logic

Basic control, compressor, EEV, fan, and reversing valve control logic.

Defrost and Oil Control

Details on defrost control and oil equalization logic for compressors.

Exploded View & Replacement Parts List

Indoor Unit Exploded Views and Parts

Exploded views and parts lists for various indoor unit chassis types.

Outdoor Unit Exploded Views and Parts

Exploded views and parts lists for outdoor units AUUH488C, AUUH728C, AUUH1008C.

Related product manuals