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LG Multi V ARNU243M2A4 - User Manual

LG Multi V ARNU243M2A4
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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 ARNU243M2A4 Specifications

General IconGeneral
Model NumberARNU243M2A4
RefrigerantR410A
Cooling Capacity24, 000 BTU/h
Heating Capacity27, 000 BTU/h
Power Supply208/230V, 60Hz
Compressor TypeScroll
Indoor Unit CompatibilityMulti V
Cooling Capacity (BTU/h)24, 000
Power Supply (Alternative)208/230V, 60Hz
Indoor Unit Dimensions (W x H x D)Varies by model
Indoor Unit WeightVaries by model

Summary

SAFETY INSTRUCTIONS

INSTALLATION SAFETY

Covers critical safety precautions and warnings for unit installation.

SAFETY INSTRUCTIONS CONTINUED

INSTALLATION - CONTINUED

Provides additional safety guidelines and precautions for the installation phase.

WIRING SAFETY

Details safety instructions and precautions related to electrical wiring and connections.

OPERATION SAFETY

Outlines safety guidelines to prevent hazards during unit operation.

GENERAL INSTALLATION GUIDELINES

Location Selection Criteria

Guides on choosing an appropriate installation location based on safety and operational factors.

INSTALLATION PROCEDURES

Install Ducted IDU Chassis

Step-by-step guide for installing the main chassis of ducted indoor units.

Roughing In the Indoor Unit

Details on preparing the unit's location, mounting, and duct connections.

MA Chassis Conversion Kit Wiring

Explains the wiring connections required for the vertical conversion kit on MA chassis units.

Piping Connections

Covers the procedures and considerations for connecting refrigerant piping to indoor units.

REFRIGERANT PIPING

Piping Preparation and Flare Fittings

Outlines steps for preparing refrigerant pipes and creating proper flare fittings.

Refrigerant Safety and Brazing

Details safety information regarding refrigerant and proper brazing techniques.

CONDENSATE PIPING

WIRING

Power Supply and Wiring Specifications

Specifies requirements for power supply and wiring installation.

Connecting the Power Wiring

Step-by-step guide for connecting the unit's power wiring.

CONTROLS SETUP

WIRING DIAGRAMS

High-Static Ducted B8 Chassis Wiring Diagram

Illustrates the wiring connections for the B8 chassis.

Mid;High-Static Ducted M2 Chassis Wiring Diagram

Illustrates the wiring connections for the M2 chassis.

Mid;High-Static Ducted M3 Chassis Wiring Diagram

Illustrates the wiring connections for the M3 chassis.

Convertible Mid-Static MA Chassis Wiring Diagram

Illustrates the wiring connections for the MA chassis.

Mid-Static Ducted M1 Chassis Wiring Diagram

Illustrates the wiring connections for the M1 chassis.

Low-Static Ducted L1 Chassis Wiring Diagram

Illustrates the wiring connections for the L1 chassis.

Low-Static Ducted L2;L3 Chassis Wiring Diagram

Illustrates the wiring connections for the L2/L3 chassis.

Vertical Air Handling Unit NJ Chassis Wiring Diagram

Illustrates the wiring connections for the NJ chassis.

Vertical Air Handling Unit NK Chassis Wiring Diagram

Illustrates the wiring connections for the NK chassis.

INSTALLATION CHECKLIST

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