LG LTND4881QC Manual de usuario

LG Cassette-Type

Air Conditioner

OWNER'S MANUAL

IMPORTANT

• Please read this owner's manual carefully and thoroughly

before installing and operating your room air conditioner.

• Please retain this owner's manual for future reference after

reading it thoroughly.

2Cassette-Type Air Conditioner

Cassette-Type Air Conditioner Owner’s Manual

TABLE OF CONTENTS

FOR YOUR RECORDS

Write the model and serial numbers here:

Model #

Serial #

You can find them on a label on the side of each unit.

Dealer's Name

Date Purchased

Staple your receipt to this page in the event you need

it to prove date of purchase or for warranty issues.

READ THIS MANUAL

Inside you will find many helpful hints on how to use

and maintain your air conditioner properly. Just a little

preventive care on your part can save you a great deal

of time and money over the life of your air conditioner.

You'll find many answers to common problems in the

chart of troubleshooting tips. If you review our chart of

Troubleshooting Tips first, you may not need to call

for service at all.

PRECAUTION

• Contact the authorized service technician for

repair or maintenance of this unit.

• Contact the installer for installation of this unit.

• The air conditioner is not intended for use by

young children or invalids without supervision.

• Young children should be supervised to ensure

that they do not play with the air conditioner.

• When the power cord is to be replaced,

replacement work shall be performed by

authorized personnel only using only genuine

replacement parts.

• Installation work must be performed in

accordance with the National Electric Code by

qualified and authorized personnel only.

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

Prior to Operation ..........................8

Introduction ....................................9

Electrical Safety ...........................10

Operating Instructions .................11

Maintenance and Service ............17

Owner's 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.

■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 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.

4Cassette-Type Air Conditioner

Safety Precautions

■Operation

Do not modify or extend the

power cable.

• There is risk of fire or electric

shock.

Do not install, remove, or

re-install the unit by yourself

(customer).

• There is risk of fire, electric

shock, explosion, or injury.

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 plug or unplug the

power supply plug 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 a heater or

other appliances near the

power cable.

• There is risk of fire and 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.

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 place anything on

the power cable.

• There is risk of fire or electric

shock.

Owner's Manual 5

Safety Precautions

Do not allow water to run

into electric parts.

• It may cause There is risk of fire,

failure of the product, or electric

shock.

Do not store or use flammable

gas or combustibles near the

product.

• There is risk of fire or failure of

product.

Do not use the product in a

tightly closed space for a

long time.

• Oxygen deficiency could occur.

When flammable gas leaks,

turn off the gas and open a

window for ventilation

before turn the product on.

• Do not use the telephone or turn

switches on or off.

There is risk of explosion or fire

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.

Stop operation and close the window

in storm or hurricane. If possible,

remove the product from the window

before the hurricane arrives.

• There is risk of property damage,

failure of product, or electric shock.

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.

Gasolin

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.

6Cassette-Type Air Conditioner

Safety Precautions

■Installation

■Operation

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.

90°

When the product is not be used for a long

time, disconnect the power supply plug or

turn off the breaker.

• There is risk of product damage or failure, or

unintended operation.

Take care to ensure that nobody could step

on or fall onto the outdoor unit.

• This could result in personal injury and product

damage.

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.

Do not use the product for special purposes, such as

preserving foods, works of art, etc. It is a consumer

air conditioner, not a precision refrigeration system.

• There is risk of

damage or

loss of property.

Owner's Manual 7

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.

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.

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.

Do not drink the water

drained from the product.

• It is not sanitary and could cause

serious health issues.

Use a firm stool or ladder

when cleaning or

maintaining the product.

• Be careful and avoid 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.

• There is risk of fire or explosion

Do not recharge or disassemble the batteries.

Do not dispose of batteries in a fire.

• They may burn or explode.

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.

• The chemicals in batteries could cause burns or

other health hazards.

8Cassette-Type Air Conditioner

Prior to Operation

1. Contact an installation specialist for installation.

2. Plug in the power plug properly.

3. Use a dedicated circuit.

4. Do not use an extension cord.

5. Do not start/stop operation by plugging/unplugging the power cord.

6. If the cord/plug is damaged, replace it with only an authorized replacement part.

1. Being exposed to direct airflow for an extended period of time could be hazardous to

your health. Do not expose occupants, pets, or plants to direct airflow for extended

periods of time.

2. Due to the possibility of oxygen deficiency, ventilate the room when used together

with stoves or other heating devices.

3. Do not use this air conditioner for non-specified special purposes (e.g. preserving

precision devices, food, pets, plants, and art objects). Such usage could damage the

items.

1. Do not touch the metal parts of the unit when removing the filter. Injuries can occur

when handling sharp metal edges.

2. Do not use water to clean inside the air conditioner. Exposure to water can destroy

the insulation, leading to possible electric shock.

3. When cleaning the unit, first make sure that the power and breaker are turned off.

The fan rotates at a very high speed during operation. There is a possibility of injury if

the unit’s power is accidentally triggered on while cleaning inner parts of the unit.

For repair and maintenance, contact your authorized service dealer.

Preparing for operation

Usage

Cleaning and maintenance

Service

Owner's Manual 9

Introduction

This symbol alerts you to the risk of electric shock.

This symbol alerts you to hazards that could cause harm to the

air conditioner.

This symbol indicates special notes.

NOTICE

Features

Anti-bacteria

Heat Pump Model

Cooling Model

Air Outlet

Air

Intake

Signal Receptor

Symbols used in this Manual

WARNING: This appliance should be installed in accordance with national wiring

regulations. This guide acts as a guide to help to explain product features.

10 Cassette-Type Air Conditioner

Electrical Safety

WARNING: This appliance must be properly grounded.

To minimize the risk of electric shock, you must alway plug into a grounded oulet.

WARNING: Do not cut or remove the grounding prong from the

power wire.

WARNING: Attaching the adapter ground terminal to the wall

receptacle cover screw does not ground the appliance unless the

cover screw is metal and not insulated, and the wall receptacle is

grounded through the house wiring.

WARNING: If you have any doubt whether the air conditioner is

properly grounded, have the wall receptacle and circuit checked by

a qualified electrician.

Preferred method

Ensure proper ground

exists before use

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