LG ARNU123L2G4 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
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LG ARNU123L2G4 Specifications

General

Brand	LG
Model	ARNU123L2G4
Category	Air Conditioner
Language	English

Summary

Safety Precautions

When wiring

Safety guidelines for electrical connections.

When installing...

Safety measures during installation.

When connecting refrigerant tubing

Guidelines for refrigerant pipe connection.

Installation

Selection of the best location

Guidelines for choosing the optimal installation site.

Ceiling dimension and hanging bolt location

Specifies dimensions for ceiling mounting and bolt placement.

Position of Console Bolt

Details on positioning console bolts for installation.

Indoor Unit Installation

Instructions for installing the indoor unit.

Wiring Connection

Procedures for connecting electrical wiring.

Connection method of the connecting cable(Example)

Example of connecting cables between units.

Checking the Drainage

Precautions when laying power and ground wiring

Plumbing materials and storage methods

Refrigerant piping on three principles

Nitrogen substitution method

Insulation, Others

Test and Check

Caution for Gradient of Unit and Drain Piping

Dip Switch Setting

Group Control Setting

Indoor Unit DIP Switch

Group Control 2

Group Control 3

Remote Control

E.S.P Table