LG LA100RA User manual

LG
Window-Type Air Conditioner
OWNER'S MANUAL
LG
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.
2
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
3

4
■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.
ON

5
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 head
when taking it 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

6
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
7
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.
6
5
4
3
2
1
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.
3
2
1
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.
3
2
1
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
5
4
3
2
19
8
7
6
Auto Swing
OperationThermostat
On Off
OFF
MED
FAN HIGH COOL
LOW
FAN
LOW COOL
MED
COOL
5
4
3
2
19
8
7
6OnOff
Auto Swing OperationThermostat
OperationThermostat
Med
Fan
Off
Low
Fan
High
Cool
Med
Cool
Low Cool
6
7
8
9
5
1
2
3
4Off On
Auto Swing
Wait Three Minutes
Before Restarting
8
Location and Function of Controls
Operating
Instructions
Controls
The controls will look like one of the following.

9
C
O
O
L
E
R
9
8
7
6
5
4
3
2
1
1
2
3
456789
10
11
12
STOP
C
O
N
S
T
A
N
T
OPERATION
THERMOSTAT
AUTO SWING
TIMER
1
2
3
456789
10
11
12
STOP
C
O
N
S
T
A
N
T
LOW HIGH
OFF ON
9
8
7
6
5
4
3
2
1
1
2
3
456789
10
11
12
STOP
C
O
N
S
T
A
N
T
1
2
3
456789
10
11
12
STOP
C
O
N
S
T
A
N
T
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
9
o
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.

Thermostat Operation
FAN FAN
Thermostat
Warmer Cooler
Heater
Operation
10
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.
o
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.