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LG ARNU093TRC4 User Manual

LG ARNU093TRC4
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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 ARNU093TRC4 Specifications

General IconGeneral
BrandLG
ModelARNU093TRC4
CategoryAir Conditioner
LanguageEnglish

Summary

Proprietary Data Notice

Safety Instructions

Safety Symbols and Installation Precautions

Explains hazard symbols and initial installation safety measures.

Handling and Environmental Safety

Safety guidelines for transporting, handling, and environmental factors.

Wiring and Operation Safety

Covers electrical safety during wiring and safe operation practices.

Introduction to Ceiling Cassette Units

Unit Overview and Requirements

Introduces the manual's scope, personnel, and codes.

Required Tools and Parts

Lists necessary tools and parts for installation.

Unit Nomenclature

R410A Refrigerant Information

General Data - Specifications

4-Way Cassette Specifications

Details for 2'x2' and 3'x3' 4-way cassette units.

2-Way and 1-Way Cassette Specifications

Details for 2-way (TL) and 1-way (TU/TT) cassette units.

Unit Dimensions

TR Chassis Dimensions

Provides detailed measurements for the TR chassis model.

TQ Chassis Dimensions

Provides detailed measurements for the TQ chassis model.

TP Chassis Dimensions

Provides detailed measurements for the TP chassis model.

TN Chassis Dimensions

Provides detailed measurements for the TN chassis model.

TM Chassis Dimensions

Provides detailed measurements for the TM chassis model.

TL Chassis Dimensions

Provides detailed measurements for the TL chassis model.

TU Chassis Dimensions

Provides detailed measurements for the TU chassis model.

TT Chassis Dimensions

Provides detailed measurements for the TT chassis model.

Electrical Data

Refrigerant Piping Diagrams

General Installation Guidelines

Location Selection Criteria

Guidelines for choosing the optimal installation location.

Required Clearances

Specifies necessary space around the installed unit.

Inspection and Unpacking

Inspect for Freight Damage

Procedure for checking the unit for damage upon arrival.

Installation - Cassette Chassis

Install Cassette Chassis

Detailed steps for mounting the main cassette chassis.

Refrigerant Piping Procedures

Piping Preparation

Steps for preparing pipes and creating flare fittings.

Refrigerant Safety and Brazing

Safety guidelines and brazing procedures for refrigerants.

Pipe Connections and Insulation

Instructions for connecting pipes and insulating them.

Wiring Guide

4-Way Cassette Chassis Wiring

Covers cable connections and diagrams for 4-way models.

2-Way Cassette TL Chassis Wiring

Covers cable connections and diagrams for 2-way TL models.

1-Way Cassette TT, TU Chassis Wiring

Covers cable connections and diagrams for 1-way TT/TU models.

Optional Sensors and Controllers

Wall-Mounted Sensor Installation

Guidelines for placing room sensors for optimal operation.

Wall-Mounted Controller Installation

Guidelines for placing the remote controller for proper display.

Install Decoration Panel

4-Way Cassette Decoration Panel

Steps for installing the decorative panel on 4-way units.

2-Way Cassette Decoration Panel

Steps for installing the decorative panel on 2-way units.

1-Way Cassette Decoration Panel

Steps for installing the decorative panel on 1-way units.

Drain Pipe Installation

Install Condensation Drain Pipe

Procedure for proper installation of the condensation drain pipe.

Controls Setup

DIP Switch Settings

Configuration of DIP switches for unit operation modes.

Group Control Configuration

Setting up control groups for multiple indoor units.

Remote Control Setup

Configuration details for remote control operation.

Installation Checklist

Installation Checklist - Page 1

Pre-installation and rough-in checks for installation.

Installation Checklist - Page 2

Electrical, wiring, and control system checks.

Who to Call for Assistance

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