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LG LAU120HYV3 User Manual

LG LAU120HYV3
80 pages
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SINGLE ZONE ART COOL PREMIER
WALL MOUNTED
INSTALLATION MANUAL
1-1/4, 1-1/2 and 2 Tons
LA150HYV3, LA180HYV3, LA240HYV3
3/4 and 1 Tons
LA090HYV3, LA120HYV3
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LG LAU120HYV3 Specifications

General IconGeneral
BrandLG
ModelLAU120HYV3
CategoryAir Conditioner
LanguageEnglish

Summary

SAFETY INSTRUCTIONS

WIRING

Safety precautions and guidelines related to electrical wiring installation.

OPERATION

Safety guidelines and precautions for operating the air conditioning unit.

INSTALLATION

Safety guidelines specific to the installation phase of the unit.

GENERAL INSTALLATION GUIDELINES

Selecting the Best Location for the Outdoor Unit

Criteria and considerations for choosing an optimal outdoor unit location.

Minimum Clearance Requirements for Single Fan Outdoor Units

Specifies essential clearances around the outdoor unit for airflow and service access.

Required Indoor Unit Clearances

Specifies clearances around the indoor unit for proper airflow and maintenance access.

Mounting the Installation Plate to the Wall

Step-by-step instructions for securely mounting the indoor unit's installation plate.

Mounting the Indoor Unit to the Installation Plate

Steps for securing the indoor unit onto its wall-mounted installation plate.

General Outdoor Unit Mounting

Guidelines for securely mounting the outdoor unit to a foundation or structure.

REFRIGERANT SAFETY STANDARDS / DEVICE CONNECTION LIMITATIONS

Refrigerant Safety Standards

Guidelines for safe refrigerant handling and concentration limits in occupied spaces.

REFRIGERANT SYSTEM ENGINEERING

No Pipe Size Substitutions

Critical instruction to use only specified pipe sizes to prevent system malfunction.

FLARING AND BRAZING PROCEDURES

Flaring and Brazing Procedures

Essential techniques for creating leak-free refrigerant pipe connections.

REFRIGERANT PIPING CONNECTIONS

Outdoor Unit Piping Connections

Detailed steps for connecting refrigerant piping to the outdoor unit.

ELECTRICAL SYSTEM INSTALLATION

Safety Guidelines / Connections and Specifications

Crucial safety information and electrical connection details for wiring.

FINAL INSTALLATION PROCEDURES

Triple Leak / Pressure Test

Essential test to ensure system integrity, leak prevention, and proper pressure.

Triple Leak / Pressure Check Procedure, continued.

Continuation of the leak and pressure testing process for system verification.

Deep Evacuation Procedure, continued.

Further steps and requirements for completing the deep evacuation process.

Triple Evacuation Procedure Steps

Detailed steps for performing the triple evacuation procedure.

Refrigerant Trim Charge

Procedures for adding refrigerant based on installed piping length.

Finishing the Job

Final steps after system checks, adjustments, and leak tests.

Pump Down Procedure

Procedure for safely collecting refrigerant for servicing the system.

Deep Evacuation Procedure

Critical step for removing moisture and air from the refrigerant system.

Triple Evacuation Procedure

An alternative best practice method for system evacuation.

Finalizing Wall-Mounted Installation

Steps to securely mount the indoor unit onto the installation plate.

Test Run

Procedure for testing the system's operation after installation is complete.

Performance Evaluation

How to check and evaluate the system's performance after startup.

TROUBLESHOOTING

Error Codes

A detailed list of error codes and their corresponding descriptions and causes.

Single Zone Wall Mounted Outdoor Unit Error Codes

Specific error codes applicable to the outdoor unit, including LED blink patterns.

CAUTIONS FOR REFRIGERANT LEAKS

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