LG LUU249HV - User Manual

INSTALLATION MANUAL
Standard Inverter
AIR
CONDITIONER
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
Please retain this installation manual for future reference after reading it
thoroughly.
MFL68061228
Rev.00_013119
http://www.lghvac.com
www.lg.com
Copyright © 2017 - 2019 LG Electronics Inc. All Rights Reserved.
ENGLISH
FRANÇAIS
ESPAÑOL

Summary

Important Safety Instructions

General Safety Warnings

Critical warnings and cautions to prevent serious injury, death, or product damage.

Installation Safety

Key safety guidelines and requirements for the installation process.

Operation Safety

Essential safety precautions to follow during the operation of the air conditioner.

Additional Safety Precautions

Further safety considerations and best practices for installation and operation.

Installation of Outdoor Unit

Piping Length and Elevation

Specifications for piping length and elevation differences between units.

Wiring Connection

Electrical Wiring

Connecting Cables between Units

Power and Ground Wiring Precautions

Connecting Cable to Outdoor Unit

Connecting Copper Pipes

Preparation of Piping

Flaring Work

Connecting Pipes to Outdoor Unit

Leakage Test and Evacuation

Preparation for Leakage Test

Leakage Test Procedure

Detailed steps for performing a leakage test using nitrogen gas and soap solution.

Evacuation Procedure

Steps for evacuating the system using a vacuum pump to remove air and moisture.

Finishing the Job

Test Running

Precautions in Test Running

Important precautions to observe before and during the initial test run.

Checks After Installation

Performance Evaluation

Self-Diagnosis Function

Error Indicator (Outdoor)

Installation Guide at the Seaside

LG LUU249HV Specifications

General

Brand	LG
Model	LUU249HV
Category	Air Conditioner
Language	English