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LG FLEX MULTI SPLIT

LG FLEX MULTI SPLIT
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P/NO : MFL67206502
INSTALLATION MANUAL
AIR CONDITIONER
• Please read this installation manual completely before installing the product.
• Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
• Please retain this installation manual for future reference after reading it
thoroughly.
TYPE : Multi Type
http://www.lghvac.com
www.lg.com
ENGLISH FRANÇAIS ESPAÑOL

Table of Contents

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LG FLEX MULTI SPLIT Specifications

General IconGeneral
BrandLG
ModelFLEX MULTI SPLIT
CategoryAir Conditioner
LanguageEnglish

Summary

Installation Requirements

Installation Parts Provided

Lists the components included with the air conditioner unit for installation.

Product Introduction

Provides an overview of the indoor and outdoor units of the air conditioner system.

Safety Precautions

Outlines critical safety warnings and cautions for installation and operation to prevent injury or damage.

Installation of Indoor, Outdoor Unit

Details steps and considerations for selecting the best location for both indoor and outdoor units.

Seaside Applications and Installation

Guidelines for installing the unit in seaside environments to prevent corrosion.

Piping length and elevation

Specifies the maximum allowable piping lengths and elevation differences between indoor and outdoor units.

Connecting the piping

Guides on how to properly connect refrigerant pipes and drain hoses for indoor units.

How To Fix

Instructions for mounting the indoor unit installation plate securely on the wall.

Wiring Connection

Explains how to connect the electrical wires to the indoor unit's terminal board.

Conduit connection

Details the process of connecting the conduit bracket and cable to the indoor unit.

Ceiling dimension and hanging bolt location

Provides dimensions and guidelines for installing ceiling-mounted indoor units.

Installation of wired Remote Controller

Steps for installing the optional wired remote controller and its cable.

Wired remote controller switch information

Explains the function of various switches on the wired remote controller for configuration.

Trial Operation

Describes how to perform a trial operation to check installation status after setup.

CelsiusFahrenheit Switching

Instructions on how to switch the temperature display unit between Celsius and Fahrenheit.

Setting the Central-Control Address

Guides on setting the address for central control systems to recognize indoor units.

ESP Function

Details the Electronic Static Pressure (ESP) function for adjusting fan speed volume.

Installation of Decorative Panel

Instructions for fitting and installing the decorative panel onto the indoor unit.

Drain Piping

Guidelines for correctly installing the drain hose for optimal drainage and preventing leaks.

Flaring Work and Connection of Piping

Comprehensive guide on flaring copper tubes and connecting refrigerant pipes to prevent leaks.

Installation of The Main Unit

Instructions for installing the main unit, covering both ceiling-suspended and wall-mounted types.

Connecting the Cable between Indoor Unit, Distributor Unit and Outdoor Unit

Detailed steps for connecting electrical cables between all units in the system.

Connection method of the connecting cable(Example)

Provides an example and instructions for connecting cables to terminals, ensuring secure connections.

Checking the Drainage, Insulating the Pipe and Special Piping Applications

Steps for checking drainage, insulating pipes, and special piping considerations for unit installation.

Long Pipe Setting

Instructions for configuring the unit when long refrigerant piping is used.

Air Purging and Evacuation

Procedures for removing air and moisture from the refrigerant system before operation.

Evacuation

Detailed steps for performing the vacuum evacuation process on the refrigerant system.

Charging

Guidelines for charging the refrigerant system, including calculations for additional refrigerant.

Combination indoor units

Tables showing which indoor units are compatible with different outdoor unit capacities.

Required Tools

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