LG UVNH48GLLA2 User Manual

Air Conditioner
SVC MANUAL(General)
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 UVNH48GLLA2 Specifications

General

Brand	LG
Model	UVNH48GLLA2
Category	Air Conditioner
Language	English

Summary

Part 1 General Information

Safety Precautions

Essential safety guidelines for servicing and operation.

Model Line Up

Overview of available indoor and outdoor unit models.

Nomenclature

Explanation of model naming conventions.

Part 2 Functions & Controls

Functions & Accessory List

Details on features and optional accessories per model.

Air Flow Operations

Descriptions of various airflow modes and settings.

Installation Functions

Setup and configuration options for installation.

Convenience Functions

User-friendly features for daily operation.

Special Functions & Kits

Advanced features and add-on components.

Part 3 Basic Control

Normal Operation

Explanation of standard operating principles.

Compressor Control

How the compressor's speed and operation are managed.

EEV Control

Details on the Electronic Expansion Valve operation.

Part 4 Trouble Shooting

Self-diagnosis Function

System for detecting and indicating errors.

Refrigerant Handling Procedures

Steps for pump down, evacuation, and gas charging.

Electronic Parts Troubleshooting

Identifying issues with electronic components.

Indoor Error Troubleshooting

Specific troubleshooting for indoor unit faults.

Outdoor Error Troubleshooting

Specific troubleshooting for outdoor unit faults.