LG FM30AH UE3 User Manual

Multi Air Conditioner
SVC MANUAL(General)
MODEL : Multi-Inverter Type
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com

LG FM30AH UE3 Specifications

General

Brand	LG
Model	FM30AH UE3
Category	Air Conditioner
Language	English

Summary

Part 1 General Information

Safety Precautions

Essential safety guidelines to prevent injury and damage during operation and maintenance.

Model Line Up

Details on various indoor and outdoor unit models and their specifications.

Nomenclature

Explanation of model code structure for identification of unit types and features.

Part 2 Functions & Controls

List of Functions & Controls

Overview of all available functions and control features for the air conditioner.

Air flow

Description of airflow direction, speed control modes, and swing patterns.

Convenience Functions & Controls

Features enhancing user comfort and ease of use, such as timers and auto operations.

Part 3 Control Logic

Compressor Control

Basic principle and operation of the compressor, including frequency control.

Defrost Control

How defrost operation is managed based on temperature and time conditions.

LEV Control

Control logic for the Liquid Expansion Valve (LEV) opening.

Part 4 Test Run

Check Before Test Run

Pre-operation checks to ensure proper installation and safety before testing.

Test Run Flow Chart

Step-by-step process for testing unit operation after installation.

Part 5 Trouble Shooting

Self-diagnosis Function

Explanation of the unit's error detection and reporting system.

Electronic Parts

Troubleshooting guide for electronic components and PCBs.