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LG LB-D2461HL - User Manual

LG LB-D2461HL
54 pages
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Ceiling Duct Type
Air Conditioner
SERVICE MANUAL
MODELS: LB-D1861HL/CL, LB-D1863HL/CL
LB-D2461HL/CL, LB-D2463HL/CL
LB-F3061HL, LB-F3063HL
LB-F3661HL/CL, LB-F3663HL/CL
LB-F3681HL/CL, LB-F3683HL/CL
LB-F4261HL, LB-F4263HL
LB-E4881HL/CL, LB-E4883HL/CL
LB-E6081HL/CL, LB-E6083HL/CL

Table of Contents

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LG LB-D2461HL Specifications

General IconGeneral
TypeSplit System
Cooling Capacity24000 BTU/h
RefrigerantR410A
Power Supply220-240V, 50Hz
Operating Temperature (Cooling)18°C to 43°C
Air Flow (Indoor)12 m³/min

Summary

Functions

Product Specifications

Wiring Diagram

Heat Pump Wiring Diagrams

Details outdoor and indoor wiring for heat pump models.

Operation Details

Main Control Functions

Explains time delay, soft-dry, and cooling mode operations.

Heating and Hot-Start Control

Details heating mode operation and hot-start control logic.

Defrost and Self-Diagnosis

Covers defrost logic, conditions, and self-diagnosis error codes.

Installation Guide

Location Selection and Piping

Covers best location for units and piping length/elevation.

Cable Connections

Unit Cable Specifications

Details power cord and connecting cable specifications and compliance.

Pipe Connection Procedure

Flaring Work and Check

Details pipe cutting, burr removal, flaring, and inspection.

Installation Cautions

Drain and Piping Gradient Cautions

Highlights critical cautions for drain and piping installation.

Test Running and Final Checks

Test Run Precautions

Details safety and procedures for initial unit testing.

Refrigerant Cycle Installation

Piping and Leakage Check

Covers connecting refrigerant lines and checking for leaks.

Refrigerant Cycle Troubleshooting

Trouble Analysis

Guides on diagnosing issues based on temperature, pressure, and current.

Electronic Troubleshooting

Unit Not Operating Troubleshooting

Provides steps to diagnose when the unit fails to operate.

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