LG Multi V ARNU543M3A4 User Manual

DUCTED INDOOR UNITS
INSTALLATION MANUAL
High Static Ducted Indoor Units
ARNU363B8A4
ARNU423B8A4
ARNU483B8A4
ARNU763B8A4
ARNU963B8A4
Low-Static Ducted Indoor Units
ARNU073L1G4
ARNU093L1G4
ARNU123L2G4
ARNU153L2G4
ARNU183L2G4
ARNU243L3G4
High Static Ducted Indoor Units
ARNU073M2A4
ARNU093M2A4
ARNU123M2A4
ARNU153M2A4
ARNU183M2A4
ARNU243M2A4
ARNU283M3A4
Mid Static Ducted Indoor Units
ARNU073M1A4
ARNU093M1A4
ARNU123M1A4
ARNU153M1A4
ARNU183M1A4
ARNU243M1A4
ARNU283M2A4
ARNU363M2A4
ARNU423M2A4
ARNU483M3A4
ARNU543M3A4
Vertical Air Handling
Indoor Units
ARNU123NJA4
ARNU183NJA4
ARNU243NJA4
ARNU303NJA4
ARNU363NJA4
ARNU423NKA4
ARNU483NKA4
ARNU543NKA4
ARNU073MAA4
ARNU093MAA4
ARNU123MAA4
ARNU153MAA4
ARNU183MAA4
ARNU243MAA4
Convertible Mid Static Ducted Indoor Units

LG Multi V ARNU543M3A4 Specifications

General

Brand	LG
Model	Multi V ARNU543M3A4
Category	Air Conditioner
Language	English

Summary

Safety Instructions

Table of Symbols and Installation Safety

Explains safety symbols and highlights critical safety measures for unit installation.

Handling and Environmental Precautions

Wiring Safety and Procedures

Electrical Safety and Wire Requirements

Emphasizes high voltage, grounding, wire sizing, and secure connection requirements.

Power Supply and Cable Connection Best Practices

Details power requirements, grounding, and proper terminal connection techniques.

Installation and Piping Procedures

Location Selection and Chassis Installation

Specifies requirements for selecting installation locations and mounting the unit chassis securely.

Wiring and Connections

Communications Cable Specifications and Routing

Group Control Wiring and Controller Setup

Unit Specific Wiring Diagrams

B8 Chassis Wiring Diagram and Details

Installation Checklist

Pre-Installation, Electrical, and Control Checks