LG A18LH1 User manual

OWNER’S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
The equipment complies with requirements of the Technical Regulation,
in terms of restrictions for the use of certain dangerous substances in
electrical and electronic equipment.
P/NO : MFL67108107_v1
www.lg.com
MODELS: SG Chassis
KZ.O.02.0561
ENGLISH
РУССКИЙ ЯЗЫК
УКРАÏНСЬКА ҚАЗАҚ ТІЛІ

2Room Air Conditioner
Room Air Conditioner Ownerʼs 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
nStaple 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 ..........................9
Introduction ..................................10
Electrical Safety ...........................11
Operating Instructions.................13
Maintenance and Service ............27

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.
nIncorrect 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.
nThe meanings of the symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
nInstallation
Do not use damaged power
cords, plugs, or a loose
socket.
• There is risk of fire or electric
shock.
For electrical work, contact
the dealer, seller, a qualified
electrician, or an Authorized
Service Center.
• There is risk of fire or electric
shock.
Always use the power plug
and socket with the ground
terminal.
• There is risk of electric shock.
Install the panel and the
cover of control box
securely.
• There is risk of fire or electric
shock.
Do not modify or extend the
power cord.
• 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.

4Room Air Conditioner
Safety Precautions
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 furnishings.
Do not install the air
conditioner on a gypsum
board.
• The air conditioner unit is likely
to fall down and become
damaged.
Take care to ensure that
power cords could not be
pulled out or damaged
during operation.
• There is risk of fire or electrical
shock.
Do not place anything on
the power cord.
• There is risk of fire or electric
shock.
Do not turn the air-
conditioner ON or OFF by
plugging or unplugging the
power plug.
• There is risk of fire or electrical
shock.
nOperation

Owner's Manual 5
Safety Precautions
ENGLISH
Use a dedicated outlet for
this appliance.
• There is risk of fire or electrical
shock.
Grasp the plug to remove
the cord from the outlet. Do
not touch it 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 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 air
conditioner.
• 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.
Unplug the unit if strange
sounds, odors, or smoke
comes from it.
• There is risk of electrical shock
or fire
Stop operation and close
the window in storm or
hurricane. If possible,
remove the air conditioner
from the window before the
hurricane arrives.
• There is risk of property
damage, failure of product, or
electric shock.
Wax
Thinner

6Room Air Conditioner
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.
nInstallation
ne"
Unplug the appliance before
performing cleaning or
maintenance.
• There is risk of electrical shock.
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 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 electrical
shock.
Ventilate the product from
time to time when operating
it together with a stove, etc.
• There is risk of fire or electrical
shock.
For inner cleaning, contact an Authorized Service Center or a dealer.
Do not use harsh detergent that causes corrosion or damage on the unit.
• Harsh detergent may also cause failure of product, fire, or electronic shock.

Owner's Manual 7
Safety Precautions
ENGLISH
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 air
conditioner.
• 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.
Do not direct airflow at
room occupants. (Don't sit
in the draft.)
• This could damage 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.
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.
Do not step on or put
anyting on the product.
(outdoor units)
• There is risk of personal injury
and failure of product.
nOperation

8Room Air Conditioner
Safety Precautions
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.
If you eat the liquid from the
batteries, brush your teeth
and see doctor. Do not use
the remote if the batteries
have leaked.
• The chemicals in batteries could
cause burns or other health
hazards.
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 air
conditioner is plugged in.
• There are sharp and moving
parts that could cause personal
injury.
Do not drink the water
drained from the unit.
• It is not sanitary and could
cause serious health issues.
nDisuse
Use a firm stool or ladder when cleaning or
maintaining the air conditioner.
• 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
For Heat & Cool model, heating operation range follows the below table.
* When the outdoor temperature drops below 0 °C, heating capacity may drop slightly depending on the
operation condition.
Heating
operation range
Outdoor temperature
0 ~ 24 °C
Operation ranges

Owner's Manual 9
Prior to Operation
ENGLISH
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 unitʼs 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

10 Room 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
Features
Symbols used in this Manual
Air Intake Vents
Air Outlet Vents
Connecting
Wires
Piping
Drain Hose
Base Plate
Frame
Front Panel
NEO Plasma Filter
Air Discharge
Air Filter
Supporter
Upper Front Grille
Lower Front Grille
Power cord
Signal Receptor
Introduction
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.