LG LA250RA User manual

Window-Type Air Conditioner

OWNER'S MANUAL

IMPORTANT

Please read through this manual. It contains valuable

information about your air conditioner. This manual may help

save time and money by explaining proper product

maintenance and preventing improper use.

PRECAUTIONS

Pay close attention to precautions in order to prevent

potential hazards and damage from misuse or improper

installation. LG is not responsible for any damages caused by

misuse of the product.

Prior to installation, this air-conditioning

unit must be submitted for approval by the

utility service which provides electricity

(EN 61000-3 Norm.)

Window-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.

1. Safety Precautions

2. Operating Instructions

3. Care and Maintenance

4. Hardware Installation

5. Common Issues

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.

WARNING

CAUTION

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.

WARNING

■Installation

Always install the expansion panel(s).

• No installation may cause fire and electric

shock accident.

Do not place the power cord near a heater.

• It may cause fire and electric shock.

Do not use the power cord near flammable

gas or combustibles such as gasoline,

benzene, thinner, etc.

• It may cause explosion or fire.

Do not disassemble or modify products.

• It may cause failure and electric shock.

Gasolin

■Operation

Plug in the power plug

properly.

• Otherwise, it will cause

electric shock or fire due to

heat generation or electric

shock.

Do not operate or stop the

unit by inserting or pulling

out the power plug.

• It will cause electric shock or

fire due to heat generation.

Do not damage or use an

unspecified power cord.

• It will cause electric shock or

fire.

Do not modify power cord

length.

• It will cause electric shock or

fire due to heat generation.

Do not share the outlet with

other appliances.

• It will cause electric shock or

fire due to heat generation.

Always plug into a

grounded outlet.

• No grounding may cause

electric shock (See

Installation Manual).

Unplug the unit if strange

sounds, odors, or smoke

come from it.

• Otherwise it may cause fire

and electric shock accident.

Do not use the socket if it is

loose or damaged.

• It may cause fire and electric

shock.

Do not operate with wet

hands or in damp

environment.

• It will cause electric shock.

Do not allow water to run

into electric parts.

• It will cause failure of machine

or electric shock.

Leave the door closed while

the air conditioner is

running.

• It is not designed to cool the

entire house.

Do not operate the air

conditioner if you smell gas.

• It may cause explosion, fire,

and burn.

Never touch the metal parts

of the unit when removing

the filter.

• They are sharp and may

cause injury.

Do not block the inlet or

outlet.

• It may cause failure of

appliance or accident.

Ensure that the outer case

is not damaged by age or

wear.

• If leaving appliance damaged,

there is concern of damage

due to the falling of product.

Be cautious not to touch the

sharp edges when

installing.

• It may cause injury.

Hold the plug by the hand

(not the cable) when taking

out.

• It may cause electric shock

and damage.

Turn off the main power

switch when not using it for

a long time.

• Prevent accidental startup

and the possibility of injury.

CAUTION

■Installation

Sharp

edges

■Operation

Do not place heavy object

on the power cord and take

care so that the cord should

not be pressed.

•There is danger of fire or

electric shock.

If water enters the product,

turn off the the power switch

of the main body of appliance.

Contact service center after

taking the power-plug out

from the socket.

Do not clean the air

conditioner with water.

•Water may enter the unit and

degrade the insulation. It may

cause an electric shock.

Turn off the power and

breaker firstly when

cleansing the unit.

•Since the fan rotates at high

speed during operation, it

may cause injury.

Do not put a pet or house

plant where it will be

exposed to direct air flow.

•This could injure the pet or

plant.

Do not use this appliance for

special purposes such as

cooling pets, foods, precision

machinery, or objects of art.

•It is an air conditioner, not a

precision refrigeration system.

Always insert the filter

securely.

Clean it every two weeks.

•Operation without filters will

cause failure.

Use a soft cloth to clean. Do

not use wax, thinner, or a

strong detergent.

•The appearance of the air

conditioner may deteriorate,

change color, or develop

surface flaws.

Do not drink water drained

from air conditioner. / Do

not direct airflow at room

occupants only.

•It contains containments and

will make you sick. / This

could damage your health.

Wax

Thinner

Prior to Operation

Safety

Precautions

Preparing for operation

Contact an installation specialist for installation.

Plug in the power plug properly.

Do not use a damaged or non-standard power cord.

Do not share the same outlet with other appliances

Do not use an extension cord.

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

Usage

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.

Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or other

heating devices.

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

food, pets, plants, and art objects). Usage in such a manner could harm such property.

Cleaning and maintenance

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

metal edges.

Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation, leading

to possible electric shock.

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.

Service

For repair and maintenance, contact your authorized service dealer.

Operating Temperature

COOLING MODE

INDOOR OUTDOOR

MAX. MIN. MAX. MIN.

32°C21°C43°C21°C

HEATING MODE

INDOOR OUTDOOR

MAX. MIN. MAX. MIN.

27°C20°C24°C1°C

OFF

MED

FAN HIGH

COOL

LOW

FAN

LOW COOL

MED

COOL

Auto Swing

OperationThermostat

On Off

OFF

MED

FAN HIGH

COOL

LOW

FAN

LOW COOL

MED

COOL

6OnOff

Auto Swing OperationThermostat

OperationThermostat

Med

Fan

Off

Low

Fan

High

Cool

Med

Cool

Low Cool

4Off On

Auto Swing

Wait Three Minutes

Before Restarting

Location and Function of Controls

Operating

Instructions

Controls

The controls will look like one of the following.

456789

STOP

OPERATION

THERMOSTAT

AUTO SWING

TIMER

456789

STOP

LOW HIGH

OFF ON

456789

STOP

456789

STOP

OPERATION

THERMOSTAT

AUTO SWING

TIMER

LOW HIGH

OFF ON

■OPERATION

High Cool ( ), Med Cool ( ) and

Low Cool ( ) provide cooling with different fan speeds. Med Fan ( ) or Low Fan ( ) provides air

circulation and filtering without cooling. Off ( ) turns the air conditioner off.

If you move the switch from a cool setting to off or to a fan setting, wait at least 3 minutes before

switchingbacktoacoolsetting.

HIGH COOL : Permits cooling with the high fan speed operation.

LOW COOL : Permits cooling with the low fan speed operation.

Cooling Descriptions

For Normal Cooling- Select High Cool or Med Cool with the Operation knob at the midpoint of

Thermostat knob.

For Maximum Cooling- Select High Cool with the Operation knob at the highest number available on your

Thermostat knob.

For Quieter & Nighttime Cooling- Select Low Cool with the Operation knob at the midpoint of

Thermostat knob.

■THERMOSTAT

The THERMOSTAT is used to maintain the room temperature. The compressor will cycle on and off to keep

the room at the same level of comfort. When you turn the knob to a higher number(the right side) and the

indoor air will become cooler.

The 5or 6position (the middle position of arc) is a normal setting for average conditions.

■AUTO SWING

Auto swing switch controls the horizontal air direction by air swing system (not on all models).

ON ( ) : Auto swing is operated.

OFF ( ) : Auto swing is not operated.

■TIMER

The timer can control the operation times within 12 hours. If you set the timer switch at the "1" position, after

1 hour the unit will be stopped automatically. If you want to operate continuously, set the timer switch at the

"CONSTANT" position. The timer switch cannot rotate further colckwise from the "CONSTANT" position. If

you set the timer switch at the "STOP" postion, the unit will be stopped all operations.

NOTICE

CAUTION: When the air conditioner has been performed its cooling operation and is turned off or

set to the fan position, wait at least 3 minutes before resetting to the cooling operation again.

Off

High

Fan

High

Cool

Low

Fan

Low Cool

Med

Cool

OperationThermostat

Off On

Thermostat Operation

FAN FAN

Thermostat

Warmer Cooler

Heater

Operation

Controls

■

AUTO SWING (for some models)

ON ( ) :

Air swing is operated while OPERATION

knob is set to the COOL or HEAT position.

OFF( ) : Stops the operation of air swing.

■THERMOSTAT

Turn the thermostat control to the desired

setting. The control position is a normal setting for

average conditions. You can change this setting, if

necessary, in accordance with your temperature

preference.

The thermostat automatically controls cooling or

heating, but the fan runs continuously

whenever the air conditioner is in operation. If the

room is too warm, turn the thermostat

control clockwise. If the room is too cool, turn the

thermostat control counterclockwise.

■HEATER ( ) LAMP

When the unit sets heating operation condition, the

green lamp is lighted.

When the frost settles on the heat exchanger of the

outside, defrosting is made automatically and the

green lamp is turned off.

The unit may give a "hiss" and the fan motor stops for

1to10minutes.

This should not be regarded as a problem.

After defrosting, the heating operation begins again.

■OPERATION

OFF ( ) : Turns the air conditioner off.

LOW FAN ( ) : Permits the low fan speed

operation without cooling

(heating).

LOW COOL ( ) : Permits cooling with the low fan

speed operation.

HIGH COOL ( ) : Permits cooling with the high

fan speed operation.

LOW HEAT ( ) : Permits heating with the low

fan speed operation.

HIGH HEAT ( ) : Permits heating with the high

fan speed operation.

The controls will look like one of the following.

CAUTION : When the air conditioner has

been performed its cooling operation and

is turned off or set to the fan position, wait

at least 3 minutes before resetting to the

cooling operation again.

This manual suits for next models

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