Lg Lau181cnw, Lan181cnw Owner's Manual
ENGLISH
LG Room
Air Conditioner
INSTALLATION MANUAL
LG
website http://www.lgservice.com
IMPORTANT
• Please read this instruction manual completely before
installing the product.
• When the power cord is damaged, replacement should be
performed by authorized personnel only.
• Installation work must be performed in accordance with
the national wiring standards by authorized personnel
only.
• Please retain this installation manual for future reference
after reading it thoroughly.
FRANÇAIS ESPAÑOL
2 Room Air Conditioner
Room Air Conditioner Installation Manual
TABLE OF CONTENTS
Safety Precautions............................3
Introduction........................................9
Symbols used in this manual..........9
Features...........................................9
Installation........................................10
Installation parts ............................10
Installation tools.............................10
Installation map..............................11
Confirm The Refrigerant ...............12
Selecting the best location ...........13
Piping length and elevation...........14
Preparing work for installation ......15
Fixing installation plate..................16
Drilling a hole in the wall...............16
Flaring work...................................17
Connecting the piping ..................18
Connection Of The Drain Hose....21
Connecting the cables ..................22
Checking the drainage..................25
Forming the piping.........................26
Air purging......................................27
Charging.........................................29
Panel front assembly.....................30
Test running ...................................31
❏ Four type "A" screws & plastic
anchors
❏ Connecting cable
❏ Installation guide map
❏ Pipes: Gas side .......1/2"(12.7mm)
Liquid side....1/4"(6.35mm)
(Refer to page 13)
❏ Insulation materials
❏ Additional drain pipe
(Outer diameter.........3/4"(19mm))
❏ Two type "B" screws
❏ Level gauge
❏ Screw driver
❏ Electric drill
❏ Hole core drill(ø2.76"(70mm))
❏ Horizontal meter
❏ Flaring tool set
❏ Specified torque wrenches
1.8kg.m, 4.2kg.m, 5.5kg.m,
6.6kg.m
(different depending on model No.)
❏ Spanner........................Half union
❏ A glass of water
❏ Screw driver
❏ Hexagonal wrench(5/32"(4mm))
❏ Gas-leak detector
❏ Vacuum pump
❏ Gauge manifold
❏ Owner's manual
❏ Thermometer
❏ Remote control holder
Installation
Requirements
Required Parts Required T ools
Installation Manual 3
ENGLISH
Safety Precautions
To prevent the injury of the user or other people and proper ty damage, the following instructions
must be followed.
■ Be sure to read before installing the air conditioner.
■ Be sure to obser ve the cautions specified here as they include important items related to safety.
■ Incorrect operation due to ignoring instr uction will cause har m or damage. The seriousness is
classified by the following indications.
■ The meanings of the 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 to properties only.
Be sure not to do.
Be sure to follow the instruction.
Safety Precautions
■ Installation
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 reinstall the unit by yourself
(customer).
• There is risk of fire, electric
shock, explosion, or injury.
4 Room Air Conditioner
Safety Precautions
■ Operation
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.
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 airconditioner ON or OFF by
plugging or unplugging the
power plug.
• There is risk of fire or
electrical shock.
Installation Manual 5
ENGLISH
Safety Precautions
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.
Thinner
Wax
6 Room Air Conditioner
Safety Precautions
■ Installation
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 eletric
shock.
Ventilate the product from
time to time when operating
it together with a stove, etc.
• There is risk of fire or
electrical shock.
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.
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.
90˚
Safety Precautions
Installation Manual 7
ENGLISH
■ Operation
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.
8 Room Air Conditioner
Safety Precautions
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.
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
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.
■ Disuse
Introduction
Installation Manual 9
ENGLISH
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
Introduction
Symbols used in this Manual
Features
Signal Receptor
Front Panel
Air Inlet
Air Discharge
Power Cord
Air Filter
Air Intake Vents
Air Outlet Vents
Connecting Wires
Piping
Drain Hose
Base Plate
NEO Plasma Filter
10 Room Air Conditioner
Installation
Type "A" screw and plastic anchor
Type "B" screw
Remote control holder
Installation plate
Figure FigureName
Screw driver
Electric drill
Measuring tape, Knife
Hole core drill
Spanner
Torque wrench
Ohmmeter
Hexagonal wrench
Ammeter
Gas-leak detector
Thermometer,
Horizontal meter
Flaring tool set
Name
Installation Parts
Installation T ools
Installation
Read carefully, and then follow step by step.
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