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LG LS-J0962CL - User Manual

LG LS-J0962CL
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-J0962CL Specifications

General IconGeneral
TypeSplit System
Cooling Capacity9000 BTU/h
Power Supply220-240V, 50Hz
RefrigerantR410A
Noise Level (Outdoor)48 dB(A)
Net Weight (Indoor)8 kg
Net Weight (Outdoor)26 kg
Operating Temperature (Cooling)18°C to 43°C
Operating Temperature (Heating)-7°C to 24°C
Air Flow (Indoor)360 m3/h

Summary

Functions

Indoor Unit Functions

Details operation features like fan speed, modes, and indicators for the indoor unit.

Product Specifications

Dimensions

Indoor Unit Dimensions

Physical dimensions and installation clearances for the indoor unit.

Outdoor Unit Dimensions

Physical dimensions and clearances for the outdoor unit.

Outdoor Unit Dimensions (Heat Pump)

Physical dimensions for the 9K Btu Heat Pump outdoor unit.

Refrigeration Cycle Diagram

Wiring Diagram

Cooling Only Series Wiring

Wiring schematic for 7K, 8K, 9K Btu cooling-only models.

Cooling & Heating Series Wiring

Wiring schematic for 7K, 9K Btu cooling & heating models.

Operation Details

Unit Functions and Indicators

Explains main unit functions, display indicators, cooling, heating, and defrost controls.

Fuzzy Operation Modes

Details fuzzy logic operations for cooling-only and heat pump models.

Airflow Speed and Timer Operations

Covers airflow speed selection and on-timer operations.

Timer and Swing Mode Operations

Explains off-timer, sleep timer, chaos swing, and natural wind modes.

Special and Forced Operation Modes

Details Jet Cool, Auto Restart, and Forced Operation modes.

Control and Protection Features

Covers remote control, frost protection, buzzer, and air cleaner functions.

Display Function

Heating Model Display

Describes display indicators for heating mode.

Cooling Model Display

Describes display indicators for cooling mode.

Self-diagnosis Function

Thermistor Error Indicator

Indicates errors related to thermistor sensor readings.

Installation

Indoor and Outdoor Unit Installation

Guidelines for selecting locations and installing indoor and outdoor units.

Piping and Drainage of Indoor Unit

Piping Preparation

Steps for cutting, deburring, and flaring pipes.

Piping Connection

Procedures for connecting indoor and outdoor unit pipings.

Connecting Piping and Cable to the Outdoor Unit

Outdoor Unit Piping Connection

Instructions for connecting piping to the outdoor unit.

Outdoor Unit Cable Connection

Instructions for connecting electrical cables to the outdoor unit.

Checking the Drainage and Connecting Cable to Indoor Unit

Drainage System Check

Procedure for checking the drainage system.

Indoor Unit Cable Connection

Instructions for connecting electrical cables to the indoor unit.

Forming the Piping

Steps to form and secure the piping assembly.

Air Purging of the Piping and Indoor Unit

Air Purging Procedure

Procedure for purging air from the refrigeration system.

Pipe Length and Elevation

Test Running

Power Supply Connection

Steps for connecting the power supply and preparing the remote controller.

Performance Evaluation

Procedures for evaluating the unit's performance after installation.

Operation

Remote Control Functions (C;O Model)

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

Remote Control Functions (H;P Model)

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

Disassembly of the Parts (Indoor Unit)

2-Way, 3-Way Valve Operations

Air Purging and Installation

Procedure for air purging during installation.

Pumping Down and Transferring

Procedure for pumping down during transfer.

Evacuation and Servicing

Procedure for evacuation during servicing.

Gas Charging and Servicing

Procedure for gas charging during servicing.

Pressure Check and Servicing

Procedure for pressure checks during servicing.

Gas Releasing and Servicing

Procedure for gas releasing during servicing.

Cycle Troubleshooting Guide

Trouble Analysis by Temperature and Current

Analyzing issues based on temperature difference and operating current.

Checking Temperature and Pressure

Procedures for checking system temperatures and pressures.

Electronic Parts Troubleshooting Guide

Product Does Not Operate

Troubleshooting steps when the product fails to operate.

Product Not Operating with Remote Control

Troubleshooting steps for remote control issues.

Compressor and Outdoor Fan Not Driving

Troubleshooting steps for compressor/fan drive issues.

Indoor Fan Not Operating

Troubleshooting steps for indoor fan operation failure.

Vertical Louver Not Operating

Troubleshooting steps for vertical louver issues.

Heating Mode Not Operating

Troubleshooting steps when the heating mode fails.

Electronic Control Device

Main PWB Assembly Diagrams

Diagrams of the main Printed Wiring Board assemblies.

Display Assembly Diagram

Diagram of the display assembly.

Schematic Diagram

Exploded View and Replacement Parts List

Indoor Unit Parts

Exploded view and parts list for the indoor unit.

Outdoor Unit Exploded View

Exploded view diagrams for the outdoor unit.

Parts List (Cooling Outdoor)

Parts List (Heat Pump Outdoor)

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