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LG LM-1830C2L User Manual

LG LM-1830C2L
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

Questions and Answers:

LG LM-1830C2L Specifications

General IconGeneral
BrandLG
ModelLM-1830C2L
CategoryAir Conditioner
LanguageEnglish

Summary

Functions and Operation

Indoor Unit Functions

Explains the operational functions and features of the indoor unit.

Remote Controller Guide

Product Specifications

Model Specifications

Lists technical specifications for various air conditioner models.

LM-1830C2L/M

Lists technical specifications for the LM-1830C2L/M model.

LM-1830H2L/M

Lists technical specifications for the LM-1830H2L/M model.

LM-2430C2L/M

Lists technical specifications for the LM-2430C2L/M model.

LM-2430H2L/M

Lists technical specifications for the LM-2430H2L/M model.

Dimensions and Installation

Unit Dimensions

Provides dimensional data for the indoor and outdoor units.

Indoor Unit Dimensions

Provides dimensional data for the indoor unit.

Outdoor Unit Dimensions

Provides dimensional data for the outdoor unit.

System Diagrams

Refrigeration Cycle

Illustrates the refrigerant flow for different model types.

Cooling Only Models Cycle

Shows refrigerant cycle for cooling-only models.

Cooling & Heating Models Cycle

Shows refrigerant cycle for cooling and heating models.

Wiring Diagrams

Indoor Unit Wiring

Wiring diagrams for indoor units.

Outdoor Unit Wiring

Wiring diagrams for outdoor units.

Operation Details

Main Unit Operations

Explains main unit functions, display indicators, and operational modes.

Main Unit Functions

Explains main unit functions, display indicators, and model types.

Cooling Mode Operation

Details how the cooling mode operates based on temperature.

Healthy Dehumidification Mode

Explains the operation of the healthy dehumidification mode.

Advanced Operation Modes

Heating Mode Operation

Details heating mode operation for H/P models.

Defrost Control

Explains the defrost control mechanism for H/P models.

Heating Overload

Describes heating overload conditions and responses for H/P models.

Specialty Operations

Fuzzy Operation Modes

Describes Fuzzy logic operation for C/O and H/P models.

Fuzzy Operation (C/O Model)

Details Fuzzy logic operation for C/O models.

Fuzzy Operation (H/P Model)

Details Fuzzy logic operation for H/P models.

Airflow and Timer Settings

Fuzzy Dehumidification/Heating

Details Fuzzy logic for dehumidification and heating.

Airflow Speed Selection

Explains how to select indoor fan airflow speed.

On-Timer Operation

Describes the function and operation of the on-timer.

Additional Operation Modes

Off-Timer Operation

Explains the function of the off-timer.

Sleep Timer Operation

Describes the sleep timer functionality.

Chaos Swing Mode

Explains the automatic louver movement (Chaos Swing).

Jet Cool Mode Operation

Details the Jet Cool rapid cooling mode.

Restart and Forced Operation

Auto Restarting Operation

Covers the auto-restart function after power failure.

Forced Operation

Details forced operation without remote control.

Control Features and Protection

Remote Control Operation Mode

Explains operation using the remote control.

Evaporator Pipe Frost Protection

Describes measures to prevent evaporator pipe frosting.

Buzzer Sounding Operation

Explains the meaning of different buzzer sounds.

Status Indicators and Diagnostics

Display Function Indicators

Explains display indicators for heating and cooling modes.

Heating Model Display

Details display indicators for heating mode.

Cooling Model Display

Details display indicators for cooling mode.

Self-diagnosis Function

Installation Procedures

Site Selection and General Installation

Guides on selecting locations and general installation steps.

Installation of Indoor/Outdoor Units

Guides on selecting locations and general installation steps.

Indoor Unit Installation Steps

Indoor Unit Piping and Drainage Prep

Outdoor Unit Piping and Cable Connection

Drainage Check and Piping Formation

Refrigerant System Air Purging

Pipe Length and Refrigerant Charge Limits

Test Running and Performance Checks

Power Supply Connection

Instructions for connecting the power supply.

Performance Evaluation

Procedures to evaluate the air conditioner's performance.

Operation and Maintenance

Remote Control Operation

Details remote control functions for the standard type.

Door Closed Remote Control

Explains remote control functions for closed door mode.

Remote Control Operation (Door Opened)

Indoor Unit Disassembly

Valve Service Procedures

2-way and 3-way Valve Usage

Explains the operation and service of 2-way and 3-way valves.

Pumping Down Procedure

Evacuation Procedure

Gas Charging Procedure

Troubleshooting Guides

Refrigerant Cycle Troubleshooting

Provides guidance for troubleshooting refrigerant cycle issues.

Compressor and Capacity Troubleshooting

Explains compressor steps and maximum capacity configurations.

Electronic Troubleshooting

Power and Component Checks

Guides on troubleshooting electronic components and boards.

Product Not Operating

Troubleshooting steps when the product does not operate at all.

Remote Control Troubleshooting

Troubleshooting steps when the remote control does not function.

Cooling Function Troubleshooting

Troubleshooting steps for when the cooling function fails.

Indoor Fan Troubleshooting

Troubleshooting steps for a non-operating indoor fan.

Vertical Louver Troubleshooting

Troubleshooting steps for a non-operating vertical louver.

Heating Function Troubleshooting

Troubleshooting steps for when the heating function fails.

Outdoor Unit Not Operating

Troubleshooting steps for outdoor unit failure.

Communication Error

Troubleshooting steps for communication errors.

Electronic Control Devices

Indoor Control Components

Details the main PCB assembly and display for the indoor unit.

Indoor Main PCB Assembly

Details the main PCB assembly for the indoor unit.

Display Assembly

Details the display assembly unit.

Outdoor Control Components

Diagrams

Schematic Diagrams

Presents the schematic diagram for the indoor and outdoor units.

Indoor Unit Schematic

Presents the schematic diagram for the indoor unit.

Outdoor Unit Schematic

Presents the schematic diagram for the outdoor unit.

Parts Lists

Indoor Unit Parts Lists

Shows exploded views and parts list for indoor units.

Indoor Unit Parts (LM-1830C2L/M, LM-1830H2L/M)

Exploded views and parts list for specific indoor models.

Indoor Unit Parts (LM-2430C2L/M, LM-2430H2L/M)

Exploded views and parts list for specific indoor models.

Indoor Unit Parts (L2-C243AL1)

Exploded views and parts list for the L2-C243AL1 indoor unit.

Outdoor Unit Parts Lists

Shows exploded views and parts list for outdoor units.

Outdoor Unit Parts (LM-1830C2L/M, LM-2430C2L/M, L2-C243AL1)

Exploded views and parts list for specific outdoor models.

Outdoor Unit Parts (LM-1830H2L/M, LM-2430H2L/M)

Exploded views and parts list for specific outdoor models.

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