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LG LS-J0963CL - User Manual

LG LS-J0963CL
80 pages
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SERVICE MANUAL
Room Air Conditioner
MODEL :
LS-J0761CL / CM / CN / DL
LS-J0761HL / HM / HN
LS-J0762HL / HM / HN
LS-J0763CL / EL / HL
LS-J0820HL
LS-J0821CL / CM
LS-J0822AL
LS-J0962CL / CM / CN
LS-J0962HL / HM / HN / EL
LS-J0963CL / CM / CN / AL /DL
LS-J0964CL / GL / DL / HL / HM / EL
website http://biz.LGservice.com
e-mail http://www.LGEservice.com/techsup.html
CAUTION
-BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
-ONLY FOR AUTHORIZED SERVICE PERSONNEL.

Questions and Answers:

LG LS-J0963CL Specifications

General IconGeneral
BrandLG
ModelLS-J0963CL
CategoryAir Conditioner
LanguageEnglish

Summary

Safety Precautions

Functions

Indoor Unit Functions

Details operation and features of the indoor unit.

Remote Control

Remote Control Functions

Explains the operation and buttons of the remote control.

Product Specifications

Product Specifications

Lists technical specifications like cooling capacity, moisture removal, etc.

Dimensions

Indoor Unit Dimensions

Provides physical dimensions and piping connection diagrams for the indoor unit.

Outdoor Unit Dimensions

Provides physical dimensions for the outdoor unit, including piping connections.

Refrigeration Cycle Diagram

Refrigeration Cycle Overview

Illustrates the refrigerant flow and key components in the cooling/heating cycle.

Wiring Diagram

Cooling Only Wiring Diagrams

Shows electrical wiring schematics for cooling-only models.

Cooling & Heating Wiring Diagrams

Displays electrical wiring schematics for cooling and heating models.

Operation Details

Unit Operation Modes

Describes various operating modes like Cooling, Heating, Dehumidification, and Fuzzy Logic.

Display Function

Indicator Lights and Displays

Explains the meaning of various indicator lights and display symbols.

Self-diagnosis Function

Error Indicators and Diagnosis

Details error codes and self-diagnosis features for troubleshooting.

Installation

General Installation Guidelines

Covers site selection, clearance requirements, and basic installation principles.

Indoor Unit Mounting and Piping Holes

Instructions for mounting the indoor unit and drilling piping holes.

Piping and Drainage Preparation

Steps for preparing pipes, removing burrs, flaring, and taping.

Outdoor Unit Piping and Cable Connection

Procedures for connecting pipes and electrical cables to the outdoor unit.

Drainage Check and Indoor Unit Assembly

Steps for checking drainage and attaching the indoor unit to its mounting plate.

Air Purging and Gas Leak Checks

Procedures for removing air from the system and checking for refrigerant leaks.

Pipe Length, Elevation, and Refrigerant Charge

Guidelines on pipe length limits, elevation, and additional refrigerant requirements.

Test Running and Performance Evaluation

Procedures for connecting the remote controller and evaluating unit performance after installation.

Operation

Remote Control Functions (C;O Model)

Details the buttons and functions of the remote control for C/O models.

Remote Control Functions (H;P Model)

Details the buttons and functions of the remote control for H/P models.

Disassembly of the parts (Indoor unit)

Indoor Unit Disassembly Steps

Step-by-step instructions for disassembling the indoor unit components.

2-way, 3-way Valve

Valve Operation Guide

Explains the correct positions and operations of the 2-way and 3-way valves for various tasks.

Air Purging Procedure

Detailed steps for purging air from the refrigeration system.

Pumping Down Procedure

Instructions for pumping down the refrigerant system before service or transfer.

Re-air Purging and Leak Checks

Steps for re-purging air and checking for refrigerant leaks after re-installation.

Balancing Refrigerant Levels

Procedures for balancing refrigerant levels in the 2-way and 3-way valves.

Evacuation Process

Steps for evacuating the refrigerant system using a vacuum pump.

Gas Charging Procedure

Instructions for charging the system with refrigerant after evacuation.

Cycle Troubleshooting Guide

Refrigerant Cycle Troubleshooting

Guide to diagnosing issues based on temperature differences and operating current.

Electronic Parts Troubleshooting Guide

Product Not Operating Troubleshooting

Steps to diagnose issues when the product does not operate at all.

Remote Control Operation Issues

Troubleshooting steps when the product does not respond to the remote control.

Compressor and Fan Drive Problems

Diagnosing issues related to the compressor or outdoor fan not operating.

Indoor Fan Operation Issues

Troubleshooting steps when the indoor fan does not operate.

Vertical Louver Operation Issues

Diagnosing problems with the vertical louver not moving correctly.

Heating Mode Operation Issues

Troubleshooting steps when the heating mode does not function properly.

Electronic Control Device

Main PCB Assembly Diagrams

Shows the layout and components of the main printed circuit board assemblies.

Schematic Diagram

Heat Pump Series Schematic

Electrical schematic diagram for heat pump series models.

Cooling Only Series Schematic

Electrical schematic diagram for cooling-only series models.

Exploded View and Replacement Parts List

Indoor Unit Components and Parts

Exploded views and part lists for all indoor unit components.

Outdoor Unit Components and Parts

Exploded views and part lists for all outdoor unit components.

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