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LG LS-H1865DM0 - User Manual

LG LS-H1865DM0
74 pages
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LG
Room Air Conditioner
SERVICE MANUAL
LG
MODELS: AS-H0764DM0 AS-C0764DM0
AS-H0964DM0 AS-C0964DM0
AS-H1264DM0 AS-C1264DM0
AS-H1865DM0 LS-H0964DL0
AS-H2465DM0 LS-H1264DM0
LS-C1865DM0
LS-C2665DM0
LS-H1865DM0
LS-H2665DM0
CAUTION
website http://www.lgservice.com
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
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LG LS-H1865DM0 Specifications

General IconGeneral
BrandLG
ModelLS-H1865DM0
CategoryAir Conditioner
LanguageEnglish

Summary

Cautionary Notes

LG Model Name Conventions

Artcool Color Options

Lists available color options for LG Artcool models.

Safety Precautions

Installation Safety Guidelines

Crucial safety guidelines for installing the air conditioner unit.

Re-installation and Handling Safety

Safety advice for re-installing, self-handling, and proper unit placement.

Operation Safety Guidelines

Guidelines for safe operation, including power, placement, and avoiding hazards.

Installation Precautions

Cautions regarding refrigerant leakage, drainage, unit leveling, and lifting.

Cleaning and Usage Safety

Safe practices for cleaning the unit and preventing accidental contact or insertion.

Dimensions

Manual Symbols Explanation

Explains symbols used throughout the manual for warnings and notices.

Indoor Unit Dimensions

Provides physical measurements for the indoor unit and installation plate.

Outdoor Unit Dimensions

Provides physical measurements for the outdoor unit.

Product Specifications

Model Specifications Table-1

Details specifications for models AS-H0764DM0, AS-H0964DM0, AS-H1264DM0, LS-H1264DMO.

Model Specifications Table-2

Details specifications for models LS-H0964DL0, AS-C0764DM0, AS-C0964DM0, AS-C1264DM0.

Model Specifications Table-3

Details specifications for models LS-H1865DM0, LS-H2665DM0, AS-H1865DMO, AS-H2465DM0.

Model Specifications Table-4

Details specifications for models LS-C1865DM0, LS-C2465DM0.

Installation Procedures

Selection of the Best Location

Guidance on choosing an optimal location for indoor and outdoor units.

Piping Installation Procedures

Steps for mounting the installation plate, drilling holes, and connecting the drain hose.

Flaring Work and Piping Connections

Flaring Work Procedures

Detailed steps for performing flaring work on copper pipes.

Burr Removal and Nut Placement

Proper techniques for removing pipe burrs and placing flare nuts.

Indoor Unit Piping Connection

Steps for connecting piping and drain hose to the indoor unit.

Right Rear Piping Route

Instructions for routing tubing and drain hose for right rear piping.

Indoor Unit Piping and Drain Connection

Connecting indoor unit piping and drain hose to the drain pipe.

Insulation Wrapping

Guidelines for wrapping insulation material around connecting portions.

Indoor Unit Installation Steps

Steps for hanging and securing the indoor unit onto the installation plate.

Outdoor Piping Connection

Procedures for connecting pipes to the outdoor unit.

Connecting Cables Between Units

Indoor Unit Cable Connection

Steps for connecting the control cable to the indoor unit.

Power Cord and Connecting Cable Specifications

Specifications for power and connecting cables used for units.

Outdoor Unit Cable Connection

Instructions for connecting the control cable to the outdoor unit.

Drainage and Piping Formation

Checking Indoor Unit Drainage

Procedure to check the indoor unit's drainage system for proper function.

Drain Piping Configuration

Guidelines for proper drain piping slope and configuration.

Forming the Piping

Steps for forming the unit piping with insulation and securing it.

Air Purging

Air Purging Overview

Explains the effects of air and moisture in the refrigerant system.

Air Purging with Vacuum Pump Preparation

Steps to prepare for air purging using a vacuum pump.

Leak Test and Evacuation

Methods for leak testing and evacuating the system using a vacuum pump.

Test Running

Outdoor Unit Settlement

Instructions for securely anchoring the outdoor unit.

Performance Evaluation

Procedures for evaluating unit performance and checking refrigerant charge.

Pump Down Procedure

Steps for collecting refrigerant for relocation or servicing.

Operation Modes

Display and Indicator Functions

Explains the operation, timer, and defrost indicators for different models.

Cooling Mode Operation Details

Describes compressor behavior and fan speed in cooling mode.

Healthy Dehumidification Mode

Details the operation of the healthy dehumidification mode.

Heating Mode Operation Details

Explains compressor and fan operation during heating mode.

Defrost Control Mechanism

Describes the process and conditions for defrost control.

Airflow Speed and Timer Operations

Settings for fan speed, sleep timer, and natural wind modes.

Special Cooling Modes

Details the operation of Jet Cool mode for different unit types.

Forced Operation Mode

How to operate the unit when the remote control is unavailable.

Test Operation and Auto Restart

How to perform test operation and the function of auto restart.

Frost Protection and Buzzer Sounds

Protection against evaporator frosting and explanation of buzzer sounds.

Display Functions

Explains operation indicators for heating and cooling models.

Self-Diagnosis Function

Details error codes and checks for self-diagnosis.

Remote Control Operations

Explains the functions of each button on the remote control.

Disassembly

Indoor Unit Disassembly

Steps for disassembling the indoor unit, starting with the grille.

Control Box and Discharge Grille Removal

Procedures for removing the control box and discharge grille.

Evaporator Removal

Steps for removing the evaporator from the indoor unit.

Motor Cover and Fan Removal

Instructions for removing the motor cover and the cross-flow fan.

Schematic Diagrams

Electric Control Device Diagram

Electrical schematic for the heat pump model (LED TYPE).

Indoor Unit Wiring Diagrams

Wiring diagrams for indoor units (cooling and heat pump models).

Outdoor Unit Wiring Diagrams (7 k-12 k)

Wiring diagrams for outdoor units (7k, 9k, 12k models).

Outdoor Unit Wiring Diagrams (18 k-24 k)

Wiring diagrams for outdoor units (18k, 24k models) and LS-C1865DM0.

Main PWB Assembly Component Location

Identifies components on the main printed wiring board assembly.

Display Assembly Component Location

Identifies components on the display assembly boards.

Troubleshooting Guide

Refrigeration Cycle Diagrams

Illustrates refrigeration cycles for cooling-only and cooling/heating models.

2-way and 3-way Valve Operation

Details shaft positions and service port operations for valves.

Pumping Down Procedure

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

Balancing Refrigerant (Gas Leakage)

Procedure for balancing refrigerant when gas leakage occurs.

Evacuation Procedure

Steps for evacuating the system after refrigerant leaks.

Gas Charging Procedure

Steps for charging the system with refrigerant after evacuation.

Additional Gas Charging and Suction Pressure

Guidelines for additional charging and using suction pressure graphs.

Cycle Parts Trouble Analysis

Analyzes common troubles related to cycle parts and temperature differences.

Electronic Parts Troubleshooting

Diagnosing issues when the product does not operate at all.

Remote Control Operation Issues

Troubleshooting steps when the product is not operating via remote control.

Compressor;Outdoor Fan Drive Issues

Troubleshooting steps for when the compressor or outdoor fan fails to drive.

Indoor Fan Operation Issues

Troubleshooting steps when the indoor fan does not operate.

Vertical Louver Operation Issues

Troubleshooting steps when the vertical louver does not operate.

Heating Operation Issues

Troubleshooting steps when the heating function does not operate.

Exploded Views

Indoor Unit Exploded View

Illustrated breakdown of indoor unit components with part numbers.

Outdoor Unit Exploded View (7 k-12 k)

Illustrated breakdown of outdoor unit components for 7k-12k models.

Outdoor Unit Exploded View (18 k-24 k)

Illustrated breakdown of outdoor unit components for 18k-24k models.

Replacement Parts List

Indoor Unit Parts List (Table 1)

Lists replacement parts for indoor units, models AS-H0764DMO to LS-H1264DMO.

Indoor Unit Parts List (Table 2)

Lists replacement parts for indoor units, models LS-H0964DLO to AS-C1264DM0.

Indoor Unit Parts List (Table 3)

Lists replacement parts for indoor units, models LS-H1865DM0 to AS-H1865DM0.

Indoor Unit Parts List (Table 4)

Lists replacement parts for indoor units, models LS-C1865DM0 to LS-C2665DM0.

Outdoor Unit Parts List (Table 1)

Lists replacement parts for outdoor units, models AS-H0764DMO to LS-H1264DMO.

Outdoor Unit Parts List (Table 2)

Lists replacement parts for outdoor units, models LS-H0964DLO to AS-C1264DM0.

Outdoor Unit Parts List (Table 3)

Lists replacement parts for outdoor units, models AS-H2465DM0 to LS-C1865DM0.

Outdoor Unit Parts List (Table 4)

Lists replacement parts for outdoor units, models LS-H1865DM0 to LS-C2665DM0.

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