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LG LM-2430H2L User Manual

LG LM-2430H2L
67 pages
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Multi Type Room
Air Conditioner
SERVICE MANUAL
MODEL: LM-1830C2L/M/N
LM-1830H2L/M/N
LM-2430C2L/M/N
LM-2430H2L/M
L2-C243AL1

Other manuals for LG LM-2430H2L

Questions and Answers:

LG LM-2430H2L Specifications

General IconGeneral
BrandLG
ModelLM-2430H2L
CategoryAir Conditioner
LanguageEnglish

Summary

Functions

Indoor Unit Operation Modes

Details operational modes and functions of the indoor unit.

Remote Control Functions and Operation

Details the functions and operations of the remote control unit.

Product Specifications

LM-1830C2L/M Product Specifications

Technical specifications for the LM-1830C2L/M model.

LM-1830H2L/M Product Specifications

Technical specifications for the LM-1830H2L/M model.

LM-2430C2L/M Product Specifications

Technical specifications for the LM-2430C2L/M model.

LM-2430H2L/M Product Specifications

Technical specifications for the LM-2430H2L/M model.

Dimensions

Indoor Unit Dimensions

Detailed dimensions and diagrams for the indoor unit.

Outdoor Unit Dimensions

Detailed dimensions and diagrams for the outdoor unit.

Refrigeration Cycle Diagrams

Cooling-Only Models Cycle

Refrigeration cycle for cooling-only models.

Cooling & Heating Modes Cycle

Refrigeration cycle for cooling and heating modes.

Wiring Diagrams

Indoor Unit Wiring

Wiring diagram for indoor units.

Outdoor Unit Wiring

Wiring diagrams for outdoor units.

Operation Details

Main Unit Functions & Indicators

Details on main unit functions and indicators.

Heating Mode Operation (H/P)

Operation details for heating mode in H/P models.

Defrost Control (H/P Model)

Details on defrost control for H/P models.

Heating Overload (H/P Models)

Information on heating overload for H/P models.

Fuzzy Operation Modes

Fuzzy Operation (C/O Model)

Fuzzy operation for Cooling Only models.

Fuzzy Operation (H/P Model)

Fuzzy operation for Heating/Cooling models.

Fuzzy Operation for Dehumidification

Fuzzy operation for dehumidification mode.

Fuzzy Operation for Heating

Fuzzy operation for heating mode.

Airflow Speed Selection

How to select airflow speed.

On-Timer Operation

Details on setting the on-timer for operation.

Off-Timer Operation

Details on setting the off-timer for operation.

Sleep Timer Operation

Details on sleep timer operation.

Chaos Swing Mode

Operation of chaos swing mode for louvers.

Jet Cool Mode Operation (C/O Model)

Jet Cool mode operation for C/O models.

Jet Cool Mode Operation (H/P Model)

Jet Cool mode operation for H/P models.

Auto Restarting & Forced Operation

Auto Restarting Operation

Automatic operation after power failure.

Forced Operation (C/O Model)

Forced operation for Cooling Only models.

Forced Operation (H/P Model)

Forced operation for Heating/Cooling models.

Remote Control Operation Mode

Operation using the remote control.

Evaporator Pipe Frost Protection

Protection mechanisms for evaporator pipe frosting.

Buzzer Sounding Operation

Describes buzzer sound indications.

Display & Self-Diagnosis Functions

Display Function: Heating Model

Display indicators for heating mode.

Display Function: Cooling Model

Display indicators for cooling mode.

Self-Diagnosis Function: Error Indicator

Explains error codes and their meanings.

Installation Guidelines

Installation of Indoor & Outdoor Units

General guidelines for installing indoor and outdoor units.

Indoor Unit Installation Procedure

Standard installation procedure for the indoor unit.

Indoor Unit Piping & Drainage

Preparation and execution of piping and drainage.

Indoor Unit Piping Connection

Connecting pipings for the indoor unit.

Connecting Indoor Unit Piping

Connecting refrigerant pipes to the indoor unit.

Managing Indoor Unit Piping & Cables

Managing pipes and cables at the rear of the chassis.

Outdoor Unit Piping Connection

Connecting Outdoor Unit Piping

Connecting refrigerant pipes to the outdoor unit.

Cable Connection Procedures

Outdoor Unit Cable Connection

Procedures for connecting cables to the outdoor unit.

Indoor Unit Cable Connection

Procedures for connecting cables to the indoor units.

Connecting Cable Example

Example of connecting the main cable.

Indoor Unit Final Assembly

Connecting Indoor Unit Cable

Connecting the main cable to the indoor unit.

Attaching Indoor Unit Grille

Attaching the front grille to the indoor unit cabinet.

Drainage & Piping Procedures

Checking Indoor Unit Drainage

Verifying proper drainage operation.

Forming Refrigerant Piping

Procedures for forming and insulating refrigerant piping.

Air Purging Process

Air Purging Procedure

Step-by-step guide for air purging.

Pipe Length & Refrigerant Charge

Max Pipe Length & Charge Amount

Table showing refrigerant charge amounts per meter.

Test Running and Performance Evaluation

Power Supply Connection & Remote Prep

Connecting the power supply and preparing the remote control.

Performance Evaluation Method

Measuring temperatures to evaluate performance.

Remote Control Operation

Functions (Door Closed Mode)

Identifies buttons and functions on the remote control.

Functions (Door Opened Mode)

Identifies buttons and functions on the opened remote control.

Indoor Unit Disassembly Steps

Removing the Indoor Unit Grille

Instructions for removing the indoor unit grille.

Removing Indoor Unit Internal Components

Removing internal components of the indoor unit.

Removing the Control Box

Removing the control box.

Removing the Discharge Grille

Removing the discharge grille.

Removing the Evaporator

Removing the evaporator assembly.

Removing the Cross-Flow Fan

Removing the cross-flow fan and motor.

Valve Identification and Operation

2-way & 3-way Valve Usage

Table detailing valve positions for different works.

Refrigerant Handling Procedures

Pumping Down Procedure

Step-by-step procedure for pumping down the refrigerant system.

Evacuation Procedure

Step-by-step procedure for system evacuation.

Gas Charging Procedure

Step-by-step procedure for charging refrigerant.

Refrigeration Cycle Troubleshooting

Trouble Analysis & Parameter Checks

Analyzing refrigerant cycle issues and checking parameters.

Compressor & Capacity Information

Twin Compressor Basic Steps

Basic steps for twin compressor units.

Maximum Capacity Combinations

Table showing maximum capacity combinations.

Troubleshooting Guide

Product Not Operating

Troubleshooting steps for a non-operating product.

Remote Control Not Operating

Troubleshooting remote control operation issues.

Cooling Function Not Operating

Troubleshooting steps when cooling function fails.

Indoor Fan Not Operating

Troubleshooting indoor fan non-operation.

Vertical Louver Not Operating

Troubleshooting vertical louver operation.

Heating Function Not Operating

Troubleshooting steps when heating function fails.

Outdoor Unit Not Operating

Troubleshooting outdoor unit non-operation.

Communication Error Troubleshooting

Troubleshooting communication errors.

Electronic Control Device Schematics

Indoor PCB Assembly Schematic

Schematic of the indoor main PCB assembly.

Outdoor PCB Assembly Schematic

Schematic of the outdoor main PCB assembly.

Display Assembly Diagram

Diagram of the display assembly.

Schematic Diagrams

Indoor Unit Schematic

Detailed schematic diagram for the indoor unit.

Outdoor Unit Schematic

Detailed schematic diagram for the outdoor unit.

Exploded Views & Parts Lists

Indoor Unit Exploded View (LM-1830)

Exploded view of LM-1830 indoor units.

Indoor Unit Parts List (LM-1830)

Parts list for LM-1830 indoor units.

Indoor Unit Exploded View (LM-2430)

Exploded view of LM-2430 indoor units.

Indoor Unit Parts List (LM-2430)

Parts list for LM-2430 indoor units.

Indoor Unit Exploded View (L2-C243AL1)

Exploded view of Indoor Unit L2-C243AL1.

Indoor Unit Parts List (L2-C243AL1)

Parts list for Indoor Unit L2-C243AL1.

Outdoor Unit Exploded Views & Parts Lists

Exploded View (LM-1830C/LM-2430C/L2-C243AL1)

Exploded view of LM-1830/2430C and L2-C243AL1 outdoor units.

Parts List (LM-1830C/LM-2430C/L2-C243AL1)

Parts list for LM-1830/2430C and L2-C243AL1 outdoor units.

Exploded View (LM-1830H2L/M, LM-2430H2L/M)

Exploded view of LM-1830H2L/M, LM-2430H2L/M outdoor units.

Parts List (LM-1830H2L/M, LM-2430H2L/M)

Parts list for LM-1830H2L/M, LM-2430H2L/M outdoor units.

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