LG LT-C488DLE0, LTUC246ELE0, LT-H366DLF0 Installation Manual

LG Cassette Type
Air Conditioner

INSTALLATION MANUAL

LG

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.

2 Cassette Type Air Conditioner

Cassette Type Air Conditioner Installation Manual

TABLE OF CONTENTS

Safety Precautions............................3

Introduction........................................6

Symbols used in this Manual..........6

Features...........................................6

Installation..........................................7

Installation T ools...............................7

Installation of Indoor, Outdoor
Unit

.................................................8

Test running

.................................21

Optional operation

....................23

❏

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)

❏

Horizontal meter

❏

Screw driver

❏

Electric drill

❏

Hole core drill (ø70mm)

❏

Flaring T ools set

❏

Torque Wrenches

❏

Hexagonal Wrench (4mm, 5mm)

❏

Gas-leak detector

❏

Owner’s Manual

❏

Installation Manual

❏

Thermometer

Installation

Requirements

Required Parts Required T ools

Installation Manual 3

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.

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

This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.

Be sure not to do.

Be sure to follow the instruction.

Safety Precautions

■ Installation

Install the panel and the cover of
control box securely.

• 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.

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.

4 Cassette Type Air Conditioner

Safety Precautions

Do not modify or extend the power cable.

• There is risk of fire or electric shock.

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.

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

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

Do not install the product on a defective
installation stand.

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

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
personal 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 store or use flammable gas or combustibles
near the product.

• There is risk of fire or failure of product.

■ Operation

Gasolin

Installation Manual 5

Safety Precautions

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

• Low refrigerant levels may cause failure of
product.

Install the drain hose to ensure that water is
drained away properly.

• A bad connection may cause water leakage.

Keep level even when installing the product.

• To avoid vibration or water leakage.

Do not install the product where the noise or hot air
from the outdoor unit could damage the
neighborhoods.

• It may cause a problem for your neighbors.

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

• Avoid personal injury.

Do not install the product where it will be
exposed to sea wind (salt spray) directly.

• It may cause corrosion on the product.
Corrosion, particularly on the condenser and
evaporator fins, could cause product
malfunction or inefficient operation.

■ Installation

90˚

6 Cassette Type Air Conditioner

Introduction

This symbol alerts you to the risk of electric shock.

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

This symbol indicates special notes.

NOTICE

Introduction

Symbols used in this Manual

Features

Anti-bacteria filter

Air
Intake

Air Outlet

Installation

Installation Manual 7

Installation

Installation T ools

Figure FigureName

Screw driver

Electric drill

Measuring tape, Knife

Hole core drill

Spanner

Torque wrench

Ohmmeter

Hexagonal wrench

Ammeter

Gas-leak detector

Thermometer,

Horizontal meter

Flaring tool set

Name

8 Cassette Type Air Conditioner

Installation

Installation of Indoor, 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.

• 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.

Unit:cm

Ceiling

Ceiling Board

Ceiling Board

30 or more

Above 250

400 or less

100

or more

50 or
more

50 or
more

30 or less

Floor

More than
30cm

More than
30cm

Fence or

obstacles

Sunroof

More than

More than

30cm

30cm

More than 50cm

More than 70cm