LG HTNC488DLA0 INSTALLATION MANUAL

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LG

LG Cassette Type

Air Conditioner

INSTALLATION MANUAL

IMPORTANT

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

•When the power cord is damaged, replacement work shall 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.

Cassette Type Air Conditioner Installation Manual

TABLE OF CONTENTS

Installation

Requirements

Required Par

•Connecting cable

•Pipes:Gas side Liquid side

•Hanging Bolt

(W 3/8 or M10 length 650mm)

•Insulated drain hose

•Additional Drain hose (Inner Dia.............32mm)

Required Tools

•Horizontal meter

•Screw driver

•Electric drill

•Hole core drill (ø70mm)

•Flaring Tools set

•Torque Wrenches

•Hexagonal Wrench (4mm, 5mm)

•Gas-leak detector

•Owner’s Manual

•Installation Manual

•Thermometer

••Manifold gage

••Vacuum pump

Safety Precautions

Safety Precautions

to the user or other people and property damage, the following instructions

.

ation due to ignoring instruction will cause harm or damage.The seriousness the following indications.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage.

used in this manual are as shown below.

Be sure not to do.

Be sure to follow the instruction.

• Installation

Do not use a defective or	For electrical work, contact the	Always ground the product.
underrated circuit breaker. Use	dealer, seller, a qualified
this appliance on a dedicated	electrician, or an Authorized
circuit.	Service Center.

•There is risk of fire or electric shock.

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

•There is risk of fire or electric shock.

Always install a dedicated circuit and breaker.

•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.

Installation Manual 3

Safety Precautions

Do not modify or extend the power cable.

Be cautious when unpacking and installing the product.

• There is risk of fire or electric shock.

•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.

Be sure the installation area does not deteriorate with age.

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

Do not install the product on a defective installation stand.

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

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.

• Operation

flammable gas or combustibles

or failure of product.

Gasolin

4 Cassette Type Air Conditioner

Safety Precautions

• Installation

Always check for gas (refrigerant) leak installation or repair of product.

hose to ensure that water is ay properly.

• Low refrigerant levels may

may cause water leakage.

Keep level even when installing	the product where the noise or hot air
	r unit could damage the
	s.
• To avoid vibration or water	a problem for your neighbors.

90˚

Use two or more people to lift product.

• Avoid personal injury.

the product where it will be sea wind (salt spray) directly.

corrosion on the product. particularly on the condenser and fins, could cause product

or inefficient operation.

Installation Manual 5

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.

Features

Anti-bacteria filter

Air

Intake

Air Outlet

6 Cassette Type Air Conditioner

Installation

Installation

InstallationTools

Figure	Name	Figure	Name
	Screw driver		Ohmmeter
	Electric drill		Hexagonal wrench
	Measuring tape, Knife		Ammeter
	Hole core drill		Gas-leak detector
	Spanner		Thermometer,
			Horizontal meter
	Torque wrench		Flaring tool set
R-22	Manifold gage		Vacuum pump

Installation Manual 7

Installation

InstallationofIndoor,Outdoor Unit

Selection of the best location

1)Indoor unit

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

•There should not be any obstacles to prevent 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.

Ceiling

Ceiling Board

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Floor

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	Ceiling Board
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Unit:cm

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

•The indoor unit must keep the maintenance space.

2)Outdoor unit

•If an awning is built over the unit to prevent direct sunlight or rain exposure, be careful that heat radiation from the condenser is not restricted.

• There should not be any animals or plants which could be affected by hot air discharged.

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

More	Su
	n
30cm	o
	r	o
			f
F			More than
e			30cm
n
o c
b e
st or
a
cl
e
s			More than 50cm

More than 70cm

	S
More	u
	nr
30cm		o
		o
			f
F			More than
e			30cm
n
o c
b e
st or
a
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s			More than 50cm

More than 70cm

3) Settlement of outdoor unit

• Anchor the outdoor unit with a bolt and nut(ø10mm)	Bolt
tightly and horizontally on a concrete or rigid mount.

•When installing on the wall, roof or rooftop, anchor the mounting base securely with a nail or wire assuming the influence of wind and earthquake.

•In the case when the vibration of the unit is conveyed to the hose, secure the unit with an anti-vibration rubber.

More than 50cm (Service space)

Tubing connection

8 Cassette Type Air Conditioner

Installation

4) Installation guide at the seaside

CAUTION

1.Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced.

2.Do not install the product where it could be exposed to sea wind (salty wind) directly. It can result corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient performance.

3.If outdoor unit is installed close to the seaside, it should avoid direct exposure to the sea wind. Otherwise it needs additional anticorrosion treatment on the heat exchanger.

4.1Selecting the location(Outdoor Unit)

1)If the outdoor unit is to be installed close to the seaside, direct exposure to the sea wind should be avoided. Install the outdoor unit on the opposite side of the sea wind direction.

Sea wind

Sea wind

2) In case, to install the outdoor unit on the seaside, set up a windbreak not to be exposed to the sea wind.

Windbreak

Sea wind

•It should be strong enough like concrete to prevent the sea wind from the sea.

•The height and width should be more than 150% of the outdoor unit.

•It should be keep more than 70 cm of space between outdoor unit and the windbreak for easy air flow.

3)Select a well-drained place.

1. If you can’t meet above guide line in the seaside installation, please contact LG Electronics for the additional anticorrosion treatment.

2.Periodic ( more than once/year ) cleaning of the dust or salt particles stuck on the heat exchanger by using water

Installation Manual 9