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LG MULTI V ARNU243NJA4 User Manual

LG MULTI V ARNU243NJA4
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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

Table of Contents

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LG MULTI V ARNU243NJA4 Specifications

General IconGeneral
CategoryAir Conditioner
RefrigerantR410A
Outdoor Unit Noise Level52 dB(A)
Power Supply220-240V, 50Hz, 1-Phase
Indoor Unit CompatibilityCompatible with LG Multi V outdoor units
Operating Temperature (Cooling)10 ~ 48 °C
Operating Temperature (Heating)-15 ~ 24 °C
Connection Pipe Diameter (Gas/Liquid)Φ6.35 mm

Summary

Safety Instructions

General Safety Warnings and Symbols

Provides safety warnings, symbols, and general installation precautions to prevent harm.

Wiring

Power and Communication Wiring Fundamentals

Covers essential wiring practices, NEC guidelines, and cable separation rules.

General Data

High-Static M2 Chassis General Specifications

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

General Installation Guidelines

Location Selection and Site Preparation

Guidelines for selecting an appropriate installation location and preparing the site.

Installation

Indoor Unit Chassis Installation Procedure

Step-by-step guide for unpacking and installing the ducted indoor unit chassis.

Refrigerant Piping

Piping Preparation and Flare Fitting Techniques

Guidance on preparing refrigerant piping and creating proper flare connections.

Condensate Piping

General Condensate Piping Information

Overview of condensate drainage systems and components for ducted indoor units.

Gravity Drain Connections and Slope Requirements

Details gravity drain connections and required pipe slope for proper condensate removal.

Controls Setup

DIP Switch Settings and Control Configurations

Explains DIP switch settings for group control and indoor unit configurations.

Installation Checklist

Installation Checklist - Rough-In and Piping Steps

Checklist items covering rough-in procedures and refrigerant/condensate piping.

Installation Checklist - Electrical and Control Steps

Checklist items for electrical connections, wiring, and control panel setup.

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