LG ARNU18GTTC4 installation manual

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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.

Ceiling Cassette - 1Way (Art Type)

Original instruction

www.lg.com

P/NO : MFL69459906

Ceiling Cassette - 1Way(Art Type) Type Indoor Unit Installation Manual

TABLE OF CONTENTS

Installation Requirements

Installation Parts ....................	3
Safety Precautions.................	4
Installation
Selection of the Best Location...	6
Ceiling Dimension and Hang-
ing Bolt Location ....................	7
Wiring Connection .................	8
Installation of Decoration
Panel (Panel Type)................	9

Required Parts		Required Tools

ο Installation guide map	ο Level gauge
ο Four type "A" screws & plastic	ο Screw driver
anchors	ο Electric drill
	ο Hole core drill
ο Connecting cable	ο Horizontal meter

Installation of Decoration		ο Pipes: Gas side
Panel (Grille Type)...............	10
		Liquid side
Drain Piping	11	ο Insulation materials
DIP Switch Setting...............	12
Group Control Setting..........	13
Model Designation	18	ο Additional drain pipe
Airborne Noise Emission.....	18
Limiting concentration .........	18

οFlaring tool set

οSpecified torque wrenches

οSpanner .......Half union

οHexagonal wrench

οGas-leak detector

οVacuum pump

οGauge manifold

οOwner's manual

οThermometer

2 Indoor Unit

Installation Parts

	Installation Parts				<![if ! IE]> <![endif]>ENGLISH
		Panel type		Grille type
				Air Outlet
			Air Intake
		Air	Wired Remote Controller	Air
	Air Outlet	Intake		Intake	Wired Remote Controller
			(Accessory)
					(Accessory)

Installation Tool

	Name	Drain hose	Clamp metal	Washer for	Plastic band	Insulation for
				hanging bracket		fitting
	Quantity	1 EA	2 EA	8 EA	4 EA	1 SET

Shape		for gas pipe
		for liquid pipe
Name	Paper pattern for installation	Installation and Owner's manual
Quantity	1 EA	1 EA

Shape

• Screws for fixing panels are attached to decoration panel.

Installation Manual 3

Safety Precautions

Safety Precautions

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

νBe sure to read before installing the air conditioner.

νBe sure to observe the cautions specified here as they include important items related to safety.

νIncorrect 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.

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

Be sure not to do.

Be sure to follow the instruction.

WARNING

ν 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.

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 ground the product.

• There is risk of fire or electric shock.

Install the panel and the cover	Always install a dedicated cir-
of control box securely.	cuit and breaker.
• There is risk of fire or electric shock.	• Improper wiring or installation may
	cause fire or electric shock.

Use the correctly rated breaker or fuse.

• There is risk of fire or electric shock.

Do not modify or extend the power cable.

• There is risk of fire or electric shock.

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.

Be cautious when unpacking and installing the product.

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

4 Indoor Unit

		Safety Precautions
For installation, always contact	Do not install the product on a	Be sure the installation area
the dealer or an Authorized	defective installation stand.	does not deteriorate with age.
Service Center.
• There is risk of fire, electric shock,	• It may cause injury, accident, or	• If the base collapses, the air condi-
explosion, or injury.	damage to the product.	tioner could fall with it, causing prop-
		erty damage, product failure, and
		personal injury.

Use a vacuum pump or inert (nitrogen) gas when doing leakage test or air purge.

Do not compress air or oxygen, and do not use flammable gases.

Otherwise, it may cause fire or explosion.

• There is the risk of death, injury, fire or explosion.

Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control box cover are removed or opened.

•Otherwise, it may cause fire, electric shock, explosion or death.

ν Operation

Do not store or use flammable gas or combustibles near the product.

• There is risk of fire or failure of product.

CAUTION

ν Installation

Always check for gas (refriger-	Install the drain hose to ensure	Keep level even when installing
ant) leakage after installation or	that water is drained away prop-	the product.
repair of product.	erly.
• Low refrigerant levels may cause	• A bad connection may cause water	• To avoid vibration or water leakage.
failure of product.	leakage.

Use two or more people to lift and transport the product.

• Avoid personal injury.

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Installation Manual 5

Installation

Installation

Read completely, then follow step by step.

Selection of the Best Location

•There should not be any heat source or steam near the unit.

•There should not be any obstacles to the air circulation.

•A place where air circulation in the room will be good.

•A place where drainage can be easily obtained.

•A place where noise prevention is taken into consideration.

•Do not install the unit near the door way.

•Ensure the spaces indicated by arrows from the wall, ceiling, or other obstacles.

•The indoor unit must have the maintenance space.

	Ceiling		<![if ! IE]> <![endif]>or more		<![if ! IE]> <![endif]>more	Ceiling board
	Ceiling board		<![if ! IE]> <![endif]>10		<![if ! IE]> <![endif]>200 or
							<![if ! IE]> <![endif]>less
	<![if ! IE]> <![endif]>0001	<![if ! IE]> <![endif]>moreor	<![if ! IE]> <![endif]>8001Above	<![if ! IE]> <![endif]>lessor3003			<![if ! IE]> <![endif]>or
					500 or		<![if ! IE]> <![endif]>300
	500 or
20 ± 3	more				more
							Unit:mm
				Floor

In case that the unit is installed near the sea, the installation parts may be corroded by salt. The installation parts (and the unit) should be taken appropriate anti-corro- sion measures.

NOTE

• Avoid the following installation location.

1.Such places as restaurants and kitchen where considerable amount of oil steam and flour is generated. These may cause heat exchange efficiency reduction, or water drops, drain pump mal-function.

In these cases, take the following actions;

•Make sure that ventilation fan is enough to cover all noxious gases from this place.

•Ensure enough distance from the cooking room to install the air conditioner in such a place where it may not suck oily steam.

2.Avoid installng air conditioner in such

places where cooking oil or iron powder is

Air conditioner

generated.

3.

Avoid places where inflammable gas is

Take enough

generated.

distance

Use the ventilation fan

4.

Avoid place where noxious gas is

for smoke-collecting

generated.

hood with sufficient

capacity.

5.

Avoid places near high frequency

Cooking table

generators.

6 Indoor Unit