LG SJ122CD User 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.
ESPAÑOL

2Room Air Conditioner
Room Air Conditioner Installation Manual
TABLE OF CONTENTS
Safety Precautions............................3
Introduction........................................6
Symbols used in this manual..........6
Features...........................................6
Installation..........................................7
Installation parts...............................7
Installation tools...............................7
Installation map................................8
Selecting the best location .............9
Piping length and elevation...........10
Fixing installation plate..................11
Drilling a hole in the wall...............11
Flaring work...................................12
Connecting the piping ..................13
Connecting the cables ..................19
Checking the drainage..................21
Forming the piping.........................22
Air purging......................................23
Test running ...................................25
❏Four type "A" screws & plastic
anchors
❏Connecting cable
❏ Installation guide map
❏Pipes: Gas side
Liquid side
❏Insulation materials
❏Additional drain pipe
(Outer diameter ..............15.5mm)
❏Two type "B" screws
❏Level gauge
❏Screw driver
❏Electric drill
❏Hole core drill(ø70mm)
❏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(4mm)
❏Gas-leak detector
❏Vacuum pump
❏Gauge manifold
❏Owner's manual
❏Thermometer
❏Remote control holder
Installation
Requirements Required Parts Required Tools

Installation Manual 3
ENGLISH
Safety Precautions
To prevent the injury of the user or other people and property damage, the following instructions
must be followed.
■Be sure to read before installing the air conditioner.
■Be sure to observe the cautions specified here as they include important items related to safety.
■Incorrect operation due to ignoring instruction will cause harm 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.
■Installation
Be sure not to do.
Be sure to follow the instruction.
Safety Precautions
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.
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.

4Room Air Conditioner
Safety Precautions
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.
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.
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.
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.
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.
■Operation

Installation Manual 5
ENGLISH
Safety Precautions
■Installation
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.
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.
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.
■Operation

6Room 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
Introduction
Symbols used in this Manual
Features
Air Intake Vents
Air Outlet Vents
Air Intake Vents
Air Outlet Vents
Connecting
Wires
Connecting
Wires
Piping Piping
Drain Hose Drain Hose
Base Plate Base Plate
Air Inlet
Air Filter
Front Panel
Signal Receptor

Installation Manual 7
ENGLISH
Installation
Type "A" screw (6 EA) Type "A" screw (8 EA)
Type "B" screw Type "B" screw
Remote control holderRemote control holder
Type 1 Type 2
Installation plate 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 Tools
Installation
Read carefully, and then follow step by step.

8Room Air Conditioner
Installation
Installation Map
Installation parts you should purchase.
Vertical Air deflector
Air Discarge
Forced Operation Button
Operation Indication Lamps/
Signal Receptor Vinyl tape (Wide)
•Apply after carrying out a
drainage test.
•To carry out the drainage
test, remove the air filters
and pour water into the heat
exchanger.
Saddle
Gas side piping (Optional Parts)
Liquid side piping (Optional Parts)
Additional drain pipe
Vinyl tape (Narrow)
Drain Hose
Base Plate
Air Outlet Vents
Air Inlet Vents
Connecting cable
(Optional Parts)
Installation plate
Sleeve
Bushing-Sleeve
Putty(Gum Type Sealer)
Bend the pipe as closely
on the wall as possible,
but be careful that it
doesn't break.
NOTICE

Installation Manual 9
ENGLISH
Installation
Indoor unit
1. Do not have any heat or steam near the unit.
2. Select a place where there are no obstacles
in front of the unit.
3. Make sure that condensation drainage can be
conveniently routed away.
4. Do not install near a doorway.
5. Ensure that the interval between a wall and
the left (or right) of the unit is more than
10cm.The unit should be installed as high as
possible on the wall, allowing a minimum of
20cm from ceiling.
6. Use a stud finder to locate studs to prevent
unnecessary damage to the wall.
Outdoor unit
1. If an awning is built over the unit to prevent
direct sunlight or rain exposure, make sure
that heat radiation from the condenser is not
restricted.
2. Ensure that the space around the back and
sides is more than 30cm.The front of the unit
should have more than 70cm of space.
3. Do not place animals and plants in the path
of the warm air.
4.Take the weight of the air conditioner into
account and select a place where noise and
vibration are minimum.
5. Select a place where the warm air and noise
from the air conditioner do not disturb
neighbors.
Select the best Location
More than 20cm
More than
10cm
More than 2.3m
More than
10cm
Install the indoor unit on the wall where the height from the floor is more than 2.3 meters.
More than 30cm More than 30cm
More
than 60cm
More than 60cm
More than 70cm

10 Room Air Conditioner
Installation
Piping Length and Elevation
7k, 8k, 9k 3/8" 1/4" 7.5 7 15 20
11k, 12k, 14k 1/2" 1/4" 7.5 7 15 20
1/2" 1/4" 7.5 15 30 20
18k, 24k, 26k 5/8" 1/4" 7.5 15 30 20
5/8" 3/8" 7.5 15 30 30
Pipe Size
Capacity
(Btu/h)
GAS LIQUID Max.
Length A (m)
Additional
Refrigerant (g/m)
Max.
Elevation B (m)
Standard
Length (m)
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
A
Oil trap
Outdoor unit
Indoor unit
B
If piping length is more than 5m
Capacity is based on standard length and maximum allowance length is on the basis of reliability.
Oil trap should be installed every 5~7 meters.