LG Therma V AHUW128A2 User Manual

www.lg.com
Air-to-Water Heat Pump
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.
INSTALLATION MANUAL
AIR
CONDITIONER
P/NO : MFL68681805
For more information, Refer to the CD or LG Web site (www.lg.com).
[ Representative ] LG Electronics Inc. EU Representative : LG Electronics European Shared
Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands
[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu,
Changwon-si, Gyeongsangnam-do, KOREA
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LG Therma V AHUW128A2 Specifications

General

Refrigerant	R32
Type	Air to Water Heat Pump
Sound Level	45 dB
Power Supply	220-240V, 50Hz
Noise Level (Indoor Unit)	45 dB

Summary

Safety Precautions

Installation Warnings & Cautions

Safety guidelines for the installation process, covering warnings and cautions.

Operation Warnings & Cautions

Safety guidelines for operating the unit correctly, covering warnings and cautions.

General Safety Advice

Installation of Outdoor Unit

Outdoor Unit Installation Conditions

Installation of Indoor Unit

Indoor Unit Installation Conditions

Wall Mounting Procedure

Step-by-step guide for mounting the indoor unit to a wall.

Water System Specifications

Details on water volume, pump capacity, pressure, quality, and frost protection.

Piping and Wiring for Outdoor Unit

Refrigerant Piping

Guidelines for refrigerant piping, including constraints and connection.

Electrical Wiring and Connections

Details on electrical wiring, specifications, and procedures.

Leakage Test and Evacuation

Procedures for testing and evacuating the refrigerant system.

Piping and Wiring for Indoor Unit

Water Piping and Charging

Procedures for water piping, circuit connection, and charging.

Electrical Wiring and Terminals

System Set-Up

DIP Switch Configuration

Installer Setting Mode

Function Code Settings

Operational Mode Settings

Check Points, Maintenance and Troubleshooting

Pre-Operation Checklist

Essential checks before starting unit operation.

Maintenance and Test Run

Operational Troubleshooting

Diagnosing and resolving problems during unit operation.

Error Code and Noise/Concentration Info