LG SU-SZ CHASSIS User Manual
LG Room
Air Conditioner
OWNER'S MANUAL
LG
MODELS: SU/SZ Chassis
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.
Prior to installation, this airconditioning unit must be
submitted for approval by the
utility service which provides
electricity (EN 61000-2,
EN 61000-3 Norm).
website http://www.lgservice.com
ENGLISH
2 Room Air Conditioner
Room 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.................12
Maintenance and Service............26
Owner's Manual 3
Safety Precautions
ENGLISH
Safety Precautions
To prevent the injury of 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.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
■ The meanings of the symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
■ Installation
Always perform grounding.
• Otherwise, it may cause electrical shock.
Don’t use a power cord, a plug or a loose
socket which is damaged.
• Otherwise, it may cause a fire or electrical shock.
For installation of the product, always
contact the service center or a professional
installation agency.
• Otherwise, it may cause a fire, electrical shock,
explosion or injury.
Securely attach the electrical part cover to
the indoor unit and the service panel to the
outdoor unit.
• If the electrical part cover of the indoor unit and
the service panel of the outdoor unit are not
attached securely, it could result in a fire or
electric shock due to dust, water, etc.
4 Room Air Conditioner
Safety Precautions
Always install an air leakage
breaker and a dedicated
switching board.
• No installation may cause a fire
and electrical shock.
Do not keep or use
flammable gases or
combustibles near the air
conditioner.
• Otherwise, it may cause a fire
or the failure of product.
Ensure that an installation
frame of the outdoor unit is
not damaged due to use for
a long time.
• It may cause injury or an
accident.
Do not disassemble or
repair the product
randomly.
• It will cause a fire or electrical
shock.
Do not install the product at
a place that ther is concern
of falling down.
• Otherwise, it may result in
personal injury.
Use caution when
unpacking and installing.
• Sharp edges may cause injury.
Do not share the outlet with
other appliances.
• It will cause an electric shock or
a fire due to heat generation.
Do not use the damaged
power cord.
• Otherwise, it may cause a fire
or electrical shock.
Do not modify or extend the
power cord randomly.
• Otherwise, it may cause a fire
or electrical shock.
Take care so that the power
cord may not be pulled
during operation.
• Otherwise, it may cause a fire
or electrical shock.
Unplug the unit if strange
sounds, smell, or smoke
comes from it.
• Otherwise, it may cause
electrical shock or a fire.
Keep the flames away.
• Otherwise, it may cause a fire.
■ Operation
Wax
Thinner
Owner's Manual 5
Safety Precautions
ENGLISH
Take the power plug out if
necessary, holding the head
of the plug and do not touch
it with wet hands.
• Otherwise, it may cause a fire
or electrical shock.
Do not use the power cord
near the heating tools.
• Otherwise, it may cause a fire
and electrical shock.
Do not open the suction
inlet of the indoor/outdoor
unit during operation.
• Otherwise, it may electrical
shock and failure.
Do not allow water to run
into electrical parts.
• Otherwise, it may cause the
failure of machine or electrical
shock.
Hold the plug by the head
when taking it out.
• It may cause electric shock and
damage.
Never touch the metal parts
of the unit when removing
the filter.
• They are sharp and may cause
injury.
Ventilate the room well
when using this appliance
together with a stove, etc.
• An oxygen shortage may occur.
When cleaning the unit, first
make sure the power and
breaker are turned off.
• Otherwise, it may cause
electrical shock.
Turn off the main power
switch when not using the
product for a long time.
• Otherwise, it may cause the
failure of product or a fire.
Do not step on the indoor/outdoor unit and
do not put anything on it.
• It may cause an injury through dropping of the unit
or falling down.
Do not place a heavy object on the power
cord.
• Otherwise, it may cause a fire or electrical shock.
6 Room Air Conditioner
Safety Precautions
When the product is submerged into water,
always contact the service center.
• Otherwise, it may cause a fire or electrical shock.
Take care so that children may not step on
the outdoor unit.
• Otherwise, children may be seriously injured due
to falling down.
Install the drain hose to ensure that drain
can be securely done.
• Otherwise, it may cause water leakage.
Install the product so that the noise or hot
wind from the outdoor unit may not cause
any damage to the neighbors.
• Otherwise, it may cause dispute with the
neighbors.
Always inspect gas leakage after the
installation and repair of product.
• Otherwise, it may cause the failure of product.
Keep level parallel in installing the product.
• Otherwise, it may cause vibration or water
leakage.
■ Installation
Owner's Manual 7
Safety Precautions
ENGLISH
Do not insert the hands or bars through the
air inlet or outlet during operation.
• Otherwise, it may cause personal injury.
Do not drink water coming out of the air
conditioner.
• Otherwise, it may cause stomachache.
Avoid excessive cooling
and perform ventilation
sometimes.
• Otherwise, it may do harm to
your health.
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.
When gas leaks, open the
window for ventilation
before operating the unit.
• Otherwise, it may cause
explosion, and a fire.
Do not use an appliance for
special purposes such as
preserving animals
vegetables, precision
machine, or art articles.
• Otherwise, it may damage your
properties.
Do not place obstacles
around the flow inlet or
outlet.
• Otherwise, it may cause the
failure of appliance or an
accident.
Always insert the filter
securely. Clean it every two
weeks.
• Operation without the filter will
cause failure.
■ Operation
Wax
Thinner
8 Room Air Conditioner
Prior to Operation
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 a long time may be hazardous to your health. Do not expose
occupants, pets, or plants to direct airflow for a long time.
2. Due to the possibility of oxygen deficiency, ventilate the room when using the appliance together with
stoves or other heating devices.
3. Do not use this air conditioner for non-specified special purpose (e.g. preserving precision devices,
food, pets, plants, or art objects). Such use may damage your properties.
1. Do not touch the metal parts of the unit when removing the filter. Injury can occur.
2. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation,
leading to 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 triggered while
cleaning inner parts of the unit.
For repair and maintenance, contact your authorized service dealer.
Preparing for Operation
Usage
Cleaning and Maintenance
Service
ENGLISH
Owner's Manual 9
Introduction
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
Features
Symbols used in this Manual
Signal Receptor
Front Panel
Air Discharge
Air Intake Vents
Air Outlet Vents
Power Cord
Power button
Connecting
Wires
Piping
Drain Hose
Base Plate
NANO Plasma Filter
Air Inlet
Air Filter
Indoor
Outdoor
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 Room Air Conditioner
Electrical Safety
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 plug.
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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