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LG UM36F User Manual

LG UM36F
150 pages
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SINGLE CAC
Air Conditioner
SERVICE MANUAL(General)
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
CONFIDENTIAL
Copyright © 2019 - 2020 LG Electronics Inc. All rights reserved. Only training and service purposes.

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LG UM36F Specifications

General IconGeneral
BrandLG
ModelUM36F
CategoryAir Conditioner
LanguageEnglish

Summary

Part 1 General Information

1. Safety Precautions

Essential safety guidelines for operating and servicing air conditioners, covering general and repair precautions.

2. Model Line Up

Overview of available indoor and outdoor air conditioner models and their specifications.

3. Nomenclature

Defines the names and parts of indoor and outdoor air conditioner components.

Part 2 Functions & Controls

1. List of Functions & Accessory

Details on available functions and accessories for indoor units.

2. Air flow

Explanation of various airflow modes and settings.

3. Installation Functions

Functions related to installation setup and configuration.

4. Reliability

Information on reliability features like hot start and self-diagnosis.

5. Convenience Functions & Controls

User-friendly functions and controls for enhanced comfort.

6. Special Function & KIT

Description of special functions and optional kits.

Part 3 Basic Control

1. Normal operation

Basic principles of normal operation for the compressor.

2. Compressor control

Details on compressor control methods and fuzzy logic.

3. EEV( Electronic Expansion Valve) control

Control logic for the Electronic Expansion Valve.

Part 4 Troubleshooting

1. Self-diagnosis Function

Overview of self-diagnosis features and error indicators.

2. Pump Down

Procedure for pump down operation.

3. Evacuation

Procedure for evacuating refrigerant from the system.

4. Gas Charging

Procedure for charging refrigerant after evacuation.

5. Cycle Part

Analysis of refrigeration cycle issues and troubleshooting.

6. Electronic Parts

Troubleshooting for electronic components and various error codes.

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