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LG LB-H1860RH User Manual

LG LB-H1860RH
71 pages
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Ceiling Duct Type
Air Conditioner
SERVICE MANUAL
MODELS: LB-H1860RH/RU/PH/FH
LB-H2460RH/RU/PH/FH
LB-G3660RH/RU/PH/FH
LB-G3680RH/FH
LB-E4880RH/FH
LB-E6080RH/FH
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LG LB-H1860RH Specifications

General IconGeneral
RefrigerantR410A
Outdoor Unit Weight45 kg
Cooling Capacity18, 000 BTU/h
Power Supply220-240V, 50Hz
Noise Level (Outdoor)52 dB(A)

Summary

Functions

Indoor Unit Functions

Describes functions specific to the indoor unit.

Product Specifications

Cooling and Heating Specs

Details technical specifications for cooling and heating modes.

Dimensions

Indoor and Outdoor Unit Dimensions

Provides physical dimensions for indoor and outdoor units.

Refrigeration Cycle Diagrams

Heat Pump and Cooling Only Cycles

Illustrates refrigeration cycles for different models.

Wiring Diagrams

Heat Pump Wiring

Shows wiring schematics for heat pump models.

Cooling Only Wiring

Shows wiring schematics for cooling-only models.

Operation Details

Main Control Functions

Explains primary operational controls and safety features.

Installation Procedures

Location Selection

Guidelines for choosing optimal installation locations.

Indoor Unit Mounting

Procedures for mounting the indoor unit.

Remote Controller Installation

Guidelines for installing the remote controller.

Electrical Wiring and Connections

Connecting Cables

Details on connecting cables between units.

Piping and Vacuuming

Connecting Pipes

Steps for preparing and connecting refrigerant pipes.

Vacuum Drying Procedure

Procedure for vacuum drying the system.

Test Running

Test Run Precautions and Checks

Safety measures and post-installation checks for initial operation.

Optional Operations

Thermistor and Group Control Setup

Configuration for dual thermistors and group control.

E.S.P. Setting

External Static Pressure Adjustment

Procedures for adjusting ESP settings.

Troubleshooting Guide

Cycle Troubleshooting

Analysis and solutions for refrigeration cycle problems.

Electronic Parts Troubleshooting

Troubleshooting guide for electronic components.

Exploded View and Parts List

Indoor Unit Parts List

Exploded views and part numbers for indoor units.

Plasma Air Cleaner

Installation and Safety Notes

Important safety and installation guidance for the air cleaner.

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