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LG ARNU123TUC4 User Manual

LG ARNU123TUC4
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CEILING CASSETTE INDOOR UNIT
INSTALLATION MANUAL
4-Way 3’ x 3’ Models:
ARNU243TPC4
ARNU283TPC4
ARNU363TNC4
ARNU423TMC4
ARNU483TMC4
1-Way Models:
ARNU073TUC4
ARNU093TUC4
ARNU123TUC4
ARNU183TTC4
ARNU243TTC4
4-Way 2’ x 2’ Models:
ARNU053TRC4
ARNU073TRC4
ARNU093TRC4
ARNU123TRC4
ARNU153TQC4
ARNU183TQC4
2-Way Models:
ARNU183TLC4
ARNU243TLC4
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LG ARNU123TUC4 Specifications

General IconGeneral
BrandLG
ModelARNU123TUC4
CategoryAir Conditioner
LanguageEnglish

Summary

Proprietary Data Notice

Safety Instructions

Installation Safety Precautions

Key safety precautions for unit installation, including electrical and physical hazards.

Wiring Safety Guidelines

Essential safety guidelines for electrical wiring, grounding, and connections.

Operation Safety Measures

Critical safety measures during unit operation, covering potential hazards.

Introduction and Unit Overview

Ceiling Cassette Indoor Units

Overview of LG Multi V indoor units, models, and general system information.

Required Tools and Parts

List of tools and parts provided by the field for installation.

Unit Nomenclature Explained

R410A Refrigerant Information

General Data and Specifications

Indoor Unit Specifications

Detailed performance and physical data for 4-Way, 2-Way, and 1-Way cassette models.

Unit Dimensions

Dimensional drawings and measurements for various chassis types (TR, TQ, TP, TN, TM, TL, TU, TT).

Electrical Data

Electrical requirements, power supply, and power input for indoor units.

Refrigerant Piping Diagrams

Visual representation of refrigerant pipe connections for different unit types.

General Installation Guidelines

Location Selection and Clearances

Criteria for choosing an installation site and required space around the unit.

Inspection and Freight Damage Check

Procedures for unpacking and checking units for transit damage.

Installation Procedures

Install Cassette Chassis

Step-by-step guide for mounting the indoor unit chassis securely.

Refrigerant Piping

Instructions for preparing, connecting, and insulating refrigerant pipes.

Wiring Connections

Guidelines for connecting power and communication cables to various chassis types.

Decoration Panel Installation

Steps to attach the aesthetic decoration panel to the indoor unit.

Drain Pipe Installation

Procedures for installing the condensation drain pipe for proper drainage.

Controls Setup and Configuration

DIP Switch Settings

Configuration of DIP switches for unit operation modes like Master/Slave.

Group Control Configuration

Methods for controlling multiple indoor units as a group.

Remote Control Configuration

Setting up wired or wireless remote controllers for unit operation.

Installation Checklist

Assistance and Support

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