LG F242CD, F122HD, F122CD, F182CD INSTALLATION MANUAL

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LG

LG

Multi Air Conditioner

INSTALLATION MANUAL

IMPORTANT

•Please read this instruction manual completely before installing the product.

•When the power cord is damaged, replacement should be performed by authorized personnel only.

•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.

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Multi Air Conditioner Installation Manual

TABLE OF CONTENTS

	Installation		Required Parts	Required Tools
	Requirements
	Safety Precautions............................	3
	Introduction........................................	8
	Symbols used in this manual..........	8
	Features ...........................................	8
	Installation ..........................................	9
	Selection of the best location..........	9	Connecting cable	Level gauge
				Screw driver
	Piping Length and Elevation	9	Pipes: Gas side	Electric drill
	Drill a Hole in the Wall	10	Liquid side	Hole core drill(ø70mm)
			Insulation materials
	Flaring Work	10		Flaring tool set
	The Indoor Unit Installation	12	Additional drain pipe	Specified torque wrenches
				1.8kg.m, 4.2kg.m, 5.5kg.m,
				6.6kg.m
				(different depending on model No.)
	Checking the Drainage .................	15		Spanner ........................	Half union
	Wired Remote Controller			A glass of water
				Screw driver
	Installation ......................................	16
	Connecting the Cables..................	18
	Optional Operation	21		Hexagonal wrench(4mm)

Gas-leak detector

Vacuum pump

Gauge manifold

2 Multi Air Conditioner

Safety Precautions

Safety Precautions

To prevent injury to the user or other people and property damage, the following instructions must be followed.

■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to properties only.

■ Meanings of symbols used in this manual are as shown below.

Be sure not to do.

Be sure to follow the instruction.

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■ Installation

Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit.

•There is risk of fire or electric shock.

Install the panel and the cover of control box securely.

•There is risk of fire or electric shock.

For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center.

•Do not disassemble or repair the product. There is risk of fire or electric shock.

Always install a dedicated circuit and breaker.

Always ground the product.

•There is risk of fire or electric shock.

Use the correctly rated breaker or fuse.

• Improper wiring or installation	• There is risk of fire or electric
may cause fire or electric shock	shock.

Installation Manual 3

Safety Precautions

Do not modify or extend the power cable.

Do not install, remove, or re-	Be cautious when unpacking
install the unit by yourself	and installing the product.
(customer).

•There is risk of fire or electric shock.

•There is risk of fire, electric shock, explosion, or injury.

•Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator.

For installation, always contact the dealer or an Authorized Service Center.

•There is risk of fire, electric shock, explosion, or injury.

Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open.

•Moisture may condense and wet or damage furniture.

Do not plug or unplug the power supply plug during operation.

•There is risk of fire or electric shock.

Do not install the product on a	Be sure the installation area
defective installation stand.	does not deteriorate with age.

•It may cause injury, accident, or damage to the product.

•If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.

■ Operation

Take care to ensure that power cable could not be pulled out or damaged during operation.

•There is risk of fire or electric shock.

Do not touch(operate) the product with wet hands.

•There is risk of fire or electrical shock.

Do not place anything on the power cable.

•There is risk of fire or electric shock.

Do not place a heater or other appliances near the power cable.

•There is risk of fire and electric shock.

4 Multi Air Conditioner

		Safety Precautions
Do not allow water to run into	Do not store or use flammable gas	Do not use the product in a
electric parts.	or combustibles near the product.	tightly closed space for a long
		time.
• It may cause There is risk of	• There is risk of fire or failure of	• Oxygen deficiency could occur.
	product.

Gasolin

If strange sounds, or small or smoke comes from product. Turn the breaker off or disconnect the power supply cable.

•There is risk of electric shock or fire.

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Do not open the inlet grill of the product during operation.

(Do not touch the electrostatic filter, if the unit is so equipped.)

•There is risk of physical injury, electric shock, or product failure.

When the product is soaked (flooded or submerged), contact an Authorized Service Center.

•There is risk of fire or electric shock.

Be cautious that water could not enter the product.

•There is risk of fire, electric shock, or product damage.

Ventilate the product from time to time when operating it together with a stove, etc.

• There is risk of fire or electric shock.

Turn the main power off when cleaning or maintaining the product.

• There is risk of electric shock.

Installation Manual 5

Safety Precautions

When the product is not be used for a long time, disconnect the power supply plug or turn off the breaker.

Take care to ensure that nobody could step on or fall onto the outdoor unit.

•There is risk of product damage or failure, or unintended operation.

•This could result in personal injury and product damage.

■ Installation

Always check for gas (refrigerant)	Install the drain
leakage after installation or repair	that water is drained
of product.	properly.
• Low refrigerant levels may	• A bad connection
cause failure of product.	water leakage.

90°

Do not install the product where the noise	Use two or more
or hot air from the outdoor unit could	transport the
damage the neighborhoods.
• It may cause a problem for your	• Avoid personal
neighbors.

■ Operation

Do not expose the skin directly to cool air for long periods of time.

(Don't sit in the draft.)

• This could harm to your health.

6 Multi Air Conditioner

Safety Precautions

Do not block the inlet or outlet of air flow.

• It may cause product failure.

Use a soft cloth to clean. Do not use harsh detergents, solvents, etc.

•There is risk of fire, electric shock, or damage to the plastic parts of the product.

Do not touch the metal parts of the product when removing the air filter. They are very sharp!

• There is risk of personal injury.

Wax	Thinner

Do not step on or put anyting on the product. (outdoor units)

•There is risk of personal injury and failure of product.

Do not drink the water drained from the product.

Always insert the filter securely. Clean the filter every two weeks or more often if necessary.

•A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage.

Use a firm stool or ladder when cleaning or maintaining the product.

Do not insert hands or other objects through the air inlet or outlet while the product is operated.

•There are sharp and moving parts that could cause personal injury.

Replace the all batteries in the remote control with new ones of the same type. Do not mix old and new batteries or different types of batteries.

• It is not sanitary and could	• Be careful and avoid personal	• There is risk of fire or explosion
cause serious health issues.	injury.

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Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire.

If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not use the remote if the batteries have leaked.

• They may burn or explode.

•The chemicals in batteries could cause burns or other health hazards.

Installation Manual 7

Introduction

Introduction

SymbolsusedinthisManual

This symbol alerts you to the risk of electric shock.

This symbol alerts you to hazards that may cause harm to the air conditioner.

NOTICE This symbol indicates special notes.

Features

Air outlet vents	Air filters

Air intake vents

Remote Controller

		Air Intake
Air Intake Vents	Connecting	(side, rear)
	Wires
	Piping
		Control cover
	Drain Hose	Connecting wire
		Connection pipe
		Drain hose
	Air Outlet Vents
	Base Plate
		Air Outlet

8 Multi Air Conditioner