LG ARNU483BRA4 User Manual

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.
Ceilling Concealed Duct
INSTALLATION MANUAL
AIR
CONDITIONER
P/NO : MFL65003103
Rev.00_020718
http://www.lghvac.com
www.lg.com
Copyright © 2015 - 2018 LG Electronics Inc. All Rights Reserved.
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LG ARNU483BRA4 Specifications

General

Cooling Capacity	48, 000 BTU/h
Heating Capacity	54, 000 BTU/h
Refrigerant	R410A
Noise Level (Outdoor)	56 dB(A)
Operating Temperature (Cooling)	18°C to 48°C

Summary

Safety Precautions - Wiring and Handling

Electrical Wiring Safety

Crucial safety measures for electrical wiring connections and practices.

General Installation Safety

Installation Safety Rules

Essential safety rules and warnings specifically for the installation process.

General Operation Safety

Operation Safety Rules

Critical safety measures to follow during the operation of the unit.

Specific Safety Cautions

Installation Cautions

Operation Cautions

Installation Procedures

Selecting the Best Location

Criteria for choosing an optimal installation site for the air conditioner.

Ceiling Dimensions and Hanging Bolts

Specifies required dimensions and hanging bolt locations for ceiling-mounted units.

Indoor Unit Mounting and Wiring

Step-by-step guide for mounting the indoor unit and connecting electrical wiring.

Cable Connection & Drainage Check

Illustrates cable connection methods and procedures for verifying water drainage.

Power and Ground Wiring Precautions

Guidelines for safely laying and connecting power and ground wires.

Plumbing Materials and Refrigerant Piping

Nitrogen Substitution Method for Welding

Unit Gradient & Drain Piping

Dip Switch Settings

Group Control Configuration (1)

Group Control Configuration (2)

Group Control Configuration (3)