EasyManua.ls Logo

LG UV42F User Manual

LG UV42F
150 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
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.
Question and Answer IconNeed help?

Do you have a question about the LG UV42F and is the answer not in the manual?

LG UV42F Specifications

General IconGeneral
BrandLG
ModelUV42F
CategoryAir Conditioner
LanguageEnglish

Summary

Part 1 General Information

Safety Precautions

Crucial safety measures and warnings for operating and servicing the air conditioner to prevent accidents.

Model Line Up

Comprehensive listing of indoor and outdoor unit models, including specifications and combinations.

Nomenclature

Explanation of product coding for indoor and outdoor units, aiding in model identification.

Part 2 Functions & Controls

Functions and Accessories List

Details on available functions and accessories for various indoor unit types like 4-way ceiling cassette.

Air Flow Control

Describes airflow modes such as auto swing, chaos wind, and adjustable air flow steps.

Installation Functions

Explains installation-related settings like ESP and high ceiling operation adjustments.

Reliability Features

Outlines reliability functions including hot start, self-diagnosis, and soft dry operation.

Convenience Functions and Controls

Details user-centric features like auto operations, timers, and group control capabilities.

Special Functions and Kits

Information on specialized operational modes like low ambient and space control.

Part 3 Basic Control

Normal Operation Principles

Explains fundamental operational aspects of compressor and fan control.

Compressor Control Logic

Details fuzzy control for stable evaporating and condensing temperatures.

EEV Control Mechanism

Describes EEV operation rules for target discharge pipe temperature management.

Part 4 Troubleshooting Guide

Self-Diagnosis and Error Codes

Covers self-diagnosis function, error indicators, and codes for system troubleshooting.

Refrigerant Handling Procedures

Guides through pump down, evacuation, and gas charging for refrigerant management.

Cycle and Component Analysis

Analyzes refrigeration cycle parameters and component performance for fault diagnosis.

Electronic Component Troubleshooting

Addresses issues with electronic parts, PCBs, and control systems for system failure.

Related product manuals