LG Multi V ARNU283M2A4 - 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 ARNU283M2A4 Specifications

General

Brand	LG
Model	Multi V ARNU283M2A4
Category	Air Conditioner
Language	English

Summary

Safety Instructions

Table of Symbols

Defines symbols used in the manual to indicate danger, warnings, and cautions.

Installation Safety Warnings

Provides critical safety precautions for the installation process to prevent injury or death.

R410 A Refrigerant

R410 A Properties and Handling

General Data

Electrical Data Overview

Electrical data for Mid and High-Static M1/M2/M3/B8 Chassis units.

Refrigerant Piping Diagrams

General Installation Guidelines

Location Selection Guidelines

Criteria for selecting an appropriate installation location for indoor units.

Installation

Install Ducted IDU Chassis

Procedure for installing the main chassis of the ducted indoor unit.

Refrigerant Piping

Piping Preparation and Flare Fittings

Refrigerant Safety

Condensate Piping

General Condensate Piping Information

Vertical;Horizontal AHU Drain Information

Wiring

General Information; Separating Wiring and Cables

Guidelines on wiring installation, separation, and NEC compliance.

Power Supply; Power Wiring Specifications

Requirements for power supply, wiring, breakers, and grounding.

Communication Cable Specifications

Details on communication cable types, routing, and connections.

Wiring Diagrams - High-Static Ducted B8 Chassis

Wiring Diagrams - Mid-Static Ducted M2 Chassis

Controls Setup

LGRED°, HRU Compatibility, and Gen 4 DIP Switch Settings

Indoor Unit Control Configurations

Group Control - Method 1

Installation Checklist

Rough-In Checklist Items

Checklist items for the initial rough-in phase of installation.

Electrical Checklist Items

Checklist items for verifying electrical connections and grounding.