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LG MULTI V ARNU073M1A4 User Manual

LG MULTI V ARNU073M1A4
82 pages
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DUCTED INDOOR UNITS
INSTALLATION MANUAL
High-Static Ducted Indoor Units
ARNU363B8A4
ARNU423B8A4
ARNU483B8A4
ARNU763B8A4
ARNU963B8A4
Vertical Air Handler
Indoor Units
ARNU123NJA4
ARNU183NJA4
ARNU243NJA4
ARNU303NJA4
ARNU363NJA4
ARNU423NKA4
ARNU483NKA4
ARNU543NKA4
Low-Static Ducted Indoor Units
ARNU073L1G4
ARNU093L1G4
ARNU123L2G4
ARNU153L2G4
ARNU183L2G4
ARNU243L3G4
High-Static Ducted Indoor Units
ARNU073M1A4
ARNU093M1A4
ARNU123M1A4
ARNU153M1A4
ARNU183M1A4
ARNU243M1A4
ARNU073M2A4
ARNU093M2A4
ARNU123M2A4
ARNU153M2A4
ARNU183M2A4
ARNU243M2A4
ARNU283M2A4
ARNU363M2A4
ARNU423M2A4
ARNU283M3A4
ARNU363M3A4
ARNU423M3A4
ARNU483M3A4
ARNU543M3A4

Table of Contents

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LG MULTI V ARNU073M1A4 Specifications

General IconGeneral
ModelARNU073M1A4
VRFYes
Cooling Capacity7.3 kW
RefrigerantR410A
Power Supply220-240V, 50Hz

Summary

SAFETY INSTRUCTIONS

Installation Safety

Critical safety guidelines for unit installation.

Operation Safety

Safety precautions during unit operation.

INTRODUCTION

Ducted Indoor Units Overview

Introduces LG ducted indoor units for Multi V systems.

Safety and Installation Requirements

Emphasizes safety and qualified personnel for installation.

UNIT NOMENCLATURE

Model Numbering System

Explains the naming convention for indoor unit models.

R410A REFRIGERANT

GENERAL DATA

High-Static Ducted Unit Specifications

Performance and data for High-Static M1, M2, M3, B8 chassis units.

Low-Static and Vertical Air Handler Specifications

Performance and data for Low-Static and Vertical Air Handler units.

Electrical Data and Dimensions

Electrical characteristics and dimensional drawings for all unit types.

Refrigerant Piping Diagrams

Illustrates refrigerant piping for different unit types.

INSTALLATION GUIDELINES

Location Selection and Unit Handling

Guidelines for choosing installation location and handling units.

Installation Procedures and Dimensions

Steps for chassis installation, mounting, rough-in, and duct dimensions.

Maintenance Clearances

Specifies minimum clearances required for unit maintenance.

REFRIGERANT PIPING

Piping Preparation, Safety, and Connections

Guidelines for piping, safety, flare fitting, brazing, and connections.

CONDENSATE PIPING

Drain System Information and Installation

Details on condensate drain systems and installation for all unit types.

WIRING

General Wiring Practices and Power Supply

Rules for wiring, power supply, and cable separation.

Communication Cable Specifications and Connections

Guidelines for communication cabling between units and controllers.

CONTROLS SETUP

Unit Configuration and DIP Switches

Information on LGRED°, Gen 4 units, and DIP switch settings.

Group and Remote Control Methods

Details on group control configurations and remote control setup.

INSTALLATION CHECKLIST

Comprehensive Installation Checklist

Checklist for rough-in, ductwork, piping, electrical, and controls.

ASSISTANCE AND SUPPORT

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