LG MULTI V ARNU543NKA4 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 ARNU543NKA4 Specifications

General

Brand	LG
Model	MULTI V ARNU543NKA4
Category	Air Conditioner
Language	English

Summary

SAFETY INSTRUCTIONS

General Safety Precautions

Provides essential safety guidelines, warnings, and cautions for installation and operation.

INTRODUCTION

Installation Safety Guidelines

Highlights safety considerations and warnings for personnel during installation.

R410A REFRIGERANT

GENERAL DATA

High-Static M2 Chassis Specifications

Presents detailed technical specifications for the High-Static M2 Chassis indoor units.

High-Static M2 and M3 Chassis Specifications

Details technical specifications for High-Static M2 and M3 Chassis indoor units.

High-Static B8 Chassis Specifications

Presents detailed technical specifications for High-Static B8 Chassis indoor units.

Convertible Mid-Static MA Chassis Specifications

Details technical specifications for Convertible Mid-Static MA Chassis indoor units.

Mid-Static M1 Chassis Specifications

Presents detailed technical specifications for Mid-Static M1 Chassis indoor units.

Mid-Static M2 Chassis Specifications

Details technical specifications for Mid-Static M2 Chassis indoor units.

Mid-Static M3 Chassis Specifications

Presents detailed technical specifications for Mid-Static M3 Chassis indoor units.

Low-Static Ducted L1/L2/L3 Chassis Specifications

Details technical specifications for Low-Static Ducted L1/L2/L3 Chassis indoor units.

Vertical Air Handling Unit NJ Chassis Specifications

Presents detailed technical specifications for Vertical Air Handling Unit NJ Chassis.

Vertical Air Handling Unit NK Chassis Specifications

Details technical specifications for Vertical Air Handling Unit NK Chassis.

Electrical Data for Mid/High-Static M1/M2/M3/B8 Chassis

Provides electrical data including voltage, current, and power input for M1, M2, M3, and B8 chassis.

Electrical Data for Low-Static Ducted L1/L2/L3 Chassis

Presents electrical data including voltage, current, and power input for L1/L2/L3 chassis.

Electrical Data for Vertical Air Handling Unit NJ/NK Chassis

Details electrical data including voltage, current, and power input for NJ/NK chassis.

GENERAL INSTALLATION GUIDELINES

Location Selection Criteria

Guidelines for selecting an appropriate location for unit installation, considering strength and noise.

General Mounting for Vertical/Horizontal Air Handler Units

Provides general guidelines for mounting vertical and horizontal air handler units.

INSTALLATION

Ducted IDU Chassis Installation

Details the procedure for installing the ducted indoor unit chassis, including safety warnings.

Maintenance Clearances

Specifies minimum clearances required around indoor units for maintenance access.

Convertible Mid-Static Ducted Vertical Installation Conversion Kit Wiring

Piping Connections for Ducted Indoor Units

Refrigerant Safety Considerations

Addresses refrigerant safety, concentration limits, and health risks.

REFRIGERANT PIPING

Piping Preparation and Flare Fitting Creation

Refrigerant Safety and Brazing Procedures

Explains refrigerant safety regulations and proper brazing techniques.

Refrigerant Pipe Connections and Insulation

WIRING

General Wiring Information and Cable Separation

Power Wiring Connections and Terminal Identification

Power Supply and Wiring Specifications

Communication Cable Specifications for Outdoor to Indoor Units

Communication Cable Specifications for Indoor Units to Remote Controllers

Indoor Unit Communication Cable Connections

Physical Indoor Unit Communication Cable Connections

Connecting the Power Wiring

Details the procedure for connecting the power wiring to the indoor unit.

High-Static Ducted B8 Chassis Wiring Diagram

Illustrates the wiring connections for the High-Static Ducted B8 Chassis.

Mid-Static and High-Static Ducted M2 Chassis Wiring Diagram

Illustrates the wiring connections for the Mid-Static and High-Static Ducted M2 Chassis.

Mid-Static and High-Static Ducted M3 Chassis Wiring Diagram

Illustrates the wiring connections for the Mid-Static and High-Static Ducted M3 Chassis.

Convertible Mid-Static Ducted MA Chassis Wiring Diagram

Illustrates the wiring connections for the Convertible Mid-Static Ducted MA Chassis.

Mid-Static Ducted M1 Chassis Wiring Diagram

Illustrates the wiring connections for the Mid-Static Ducted M1 Chassis.

Low-Static Ducted L1 Chassis Wiring Diagram

Illustrates the wiring connections for the Low-Static Ducted L1 Chassis.

Low-Static Ducted L2/L3 Chassis Wiring Diagram

Illustrates the wiring connections for the Low-Static Ducted L2/L3 Chassis.

Vertical Air Handling Unit NJ Chassis Wiring Diagram

Illustrates the wiring connections for the Vertical Air Handling Unit NJ Chassis.

Vertical Air Handling Unit NK Chassis Wiring Diagram

Illustrates the wiring connections for the Vertical Air Handling Unit NK Chassis.

INSTALLATION CHECKLIST

Rough-In Checklist

Electrical and Control Panel Checklist