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LG FMN0760NL User Manual

LG FMN0760NL
122 pages
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Free Joint Multi Type
Air Conditioner
SERVICE MANUAL
MODELS
Indoor Unit : FMN0760NL
FMN0960NL
FMN1260NL
FMN1260NFM/B/D
FMN1260NT
FMN1860NT
FMN1860NV
FMN1860NL
Outdoor Unit : FMU4480N6L

Questions and Answers:

LG FMN0760NL Specifications

General IconGeneral
BrandLG
ModelFMN0760NL
CategoryAir Conditioner
LanguageEnglish

Summary

Functions

Indoor Unit Functions

Details on indoor unit operations like fan speed, modes, and indicators.

Outdoor Unit Functions

Details on outdoor unit controls like power relay, frequency, and protection.

Product Specifications

Operation Details

Indoor Unit Type Operations

Details on operations for Room/Art Cool, Cassette, and Convertible indoor units.

Key Operational Modes and Controls

Covers Sleep Mode, Auto, Chaos, Heating, Hot-Start, Deice, and Soft Dry operations.

System Protection, Testing, and Restart

Details on forced operation, pipe protection, test operation, and auto restart.

Dimensions

Indoor Unit Dimensions

Physical dimensions for Room, Art Cool, and Convertible indoor units.

Outdoor Unit Dimensions

Physical dimensions for the outdoor unit.

Wiring Diagrams

Indoor Unit Wiring Diagrams

Wiring diagrams for Room, Art Cool, Cassette, and Convertible indoor units.

Outdoor Unit Wiring Diagram

Wiring diagram for the outdoor unit (FMU4480N6L).

Self-Diagnosis Function and Error Codes

Refrigeration Cycle Diagram and Pipe Specifications

Installation Procedures

Indoor Unit Installation Methods

Steps for installing indoor units on walls, ceilings, or floors.

Outdoor Unit Connections and Wiring

Connecting piping, cables, and electrical wiring for the outdoor unit.

Remote Control Setup and Operation

Remote controller installation, preparation, and functions for various unit types.

System Testing and Final Checks

Drainage checks, pipe forming, heat insulation, and test running procedures.

Disassembly Procedures

Art Cool Indoor Unit Disassembly

Steps for disassembling the Art Cool indoor unit components.

Convertible Indoor Unit Disassembly

Steps for disassembling the Convertible indoor unit components.

Refrigerant Handling and Valve Operation

3-Way Valve Specifications and Works

Details on 3-way valve types, positions, and operational works.

Refrigerant System Procedures

Covers pumping down, evacuation, gas charging, and air purging.

Refrigeration Cycle Troubleshooting Guide

Electronic Parts Troubleshooting

Troubleshooting: Product Not Operating

Diagnosing issues when the product does not operate at all.

Troubleshooting: Remote Control Issues

Diagnosing problems related to the remote controller not functioning.

Troubleshooting: Compressor/Fan/Louver Issues

Diagnosing faults with the compressor, outdoor fan, and vertical louver.

Troubleshooting: Unit Communication and Power Errors

Diagnosing issues when the outdoor unit or communication fails.

Troubleshooting: PCB Connector Issues

Identifying problems caused by missing connectors on main and sub PCBs.

Schematic Diagrams

Indoor Unit Schematic Diagrams

Detailed circuit diagrams for various indoor unit models.

Outdoor Unit Schematic Diagrams

Circuit diagrams for the outdoor unit main and sub PCBs.

Exploded Views and Parts Lists

Indoor Unit Exploded Views and Parts Lists

Visual part breakdowns and lists for Room, Cassette, Art Cool, and Convertible indoor units.

Outdoor Unit Exploded View and Parts List

Visual part breakdown and list for the outdoor unit.

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