LG L4UC488FA0 Manuel utilisateur
LG
Air Conditioner
INSTALLATION MANUAL
LG
website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html
IMPORTANT
• Please read this installation manual completely before
installing the product.
• When the power cord is damaged, replacement work shall
be performed by authorized personnel only.
• Installation work must be performed in accordance with
the national wiring standards by authorized personnel
only.
2Room Air Conditioner
Multi Type Air Conditioner Installation Manual
TABLE OF CONTENTS
The following should be
always observed for safety....................................3~6
Installation of indoor, outdoor unit .......................7~9
Flaring work and connection of piping.............10~13
Connecting the Cable between Indoor Unit and
Outdoor Unit........................................................14~16
Checking the Drainage, Forming the
Pipings and Long Pipe Setting..........................17~18
Air Purging...........................................................19~20
Test running...............................................................21
❏Level gauge
❏Screw driver
❏Electric drill
❏Hole core drill (ø50mm)
❏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
❏Holder Remote Control
Installation Requirements Required Tools
Installation Parts Provided
Installation Manual 3
Installation Parts Provided
Type "A" screws and plastic anchors
Type "B" screws Holder Remote Control
Installation plate
Standard Type
more than
70cm
more than
30cm
more than
30cm
Air Outlet
Air Intake
(side, rear)
Connection pipe
Drain hose
Connecting wire
Control cover
more than
30cm
4Room Air Conditioner
Safety 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.
■Meanings of symbols used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
WARNING
Be sure not to do.
Be sure to follow the instruction.
■Installation
Install the panel and the cover of
control box securely.
• There is risk of fire or
electric shock.
Always install a dedicated
circuit and breaker.
• Improper wiring or
installation may cause fire or
electric shock
Use the correctly rated breaker
or fuse.
• There is risk of fire or
electric shock.
Do not use a defective or
underrated circuit breaker. Use
this appliance on a dedicated
circuit.
• There is risk of fire or
electric shock.
For electrical work, contact the
dealer, seller, a qualified
electrician, or an Authorized
Service Center.
•
Do not disassemble or repair
the product.There is risk of
fire or electric shock.
Always ground the product.
• There is risk of fire or
electric shock.
Installation Manual 5
Safety Precautions
Do not modify or extend the power cable.
• There is risk of fire or electric shock.
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
furniture.
Do not store or use flammable gas or combustibles
near the product.
• There is risk of fire or failure of product.
■Operation
Gasolin
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.
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
product.
• 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.
CAUTION
90˚
■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 the spaces indicated by arrows from
the wall, ceiling, fence or other obstacles.
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 spaces indicated by arrows
around front, back and side of the unit.
3. Do not place animals and plants in the path
of the warm air.
4.Take the air conditioner weight into account
and select a place where noise and vibration
are minimum.
5. Select a place so that the warm air and noise
from the air conditioner do not disturb
neighbors.
Rooftop Installations:
If the outdoor unit is installed on a roof
structure, be sure to level the unit. Ensure the
roof structure and anchoring method are
adequate for the unit location. Consult local
codes regarding rooftop mounting.
Installation Manual 7
More than 10cm
More than
5cm
More than 2.3m
More than
5cm
5cm
More than
More than
More than
More than
40cm
5cm
100cm
more than
70cm
more than
30cm
more than
30cm
more than
30cm
More than 5cm
More than
5cm
More than 2.3m More than
5cm
Installation of Indoor, Outdoor Unit
Installation of Indoor, Outdoor Unit
Read completely, then follow step by step.
Select the best location
CAUTION: Install the indoor unit
on the wall where the height from
the floors more than 2.3 meters.
8Room Air Conditioner
Installation of Indoor, Outdoor Unit
Multi Piping Type
Piping length and elevation
CAUTION: 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.
It does not matter which unit is higher.
1.1 The maximun allowable level, piping length and Refrigerant Charge
7.5m
7.5m
A
B
C
D
[Outdoor Unit]
[Indoor Unit]
Sandard Length Max piping
A,B,C,D,E A B C D Ø9.52mm over Ø12.7mm
L4UC488FA0 7.5m 25m 25m 25m 25m 60m(A+B+C+D) 20g/m 30g/m
Model
[Outdoor Unit] Pipe Size(Gas)
Max total piping
length
over the total 30m pipe length
Additional Charge
❈Extra refrigerant = (Extended length - Rated length) x Additional refrigerant
Installation Manual 9
Installation of Indoor, Outdoor Unit
The wall you select should be strong and solid
enough to prevent vibration
1. Mount the installation plate on the wall with
type "A" screws. If mounting the unit on a
concrete wall, use anchor bolts.
• Mount the installation plate horizontally by
aligning the centerline using a level.
2. Measure the wall and mark the centerline. It
is also important to use caution concerning
the location of the installation plate-routing
of the wiring to power outlets is through the
walls typically. Drilling the hole through the
wall for piping connections must be done
safely.
How to fix installation plate
Installation Plate
Type "A" screw
Installation plate
Ø70mm
Left rear piping Right rear piping
C
D
B
AØ70mm
(SU) (S3)
Right rear piping
B
A
D
C
Installation plate
SU(9k~12k) 92 44 67 44
S3(18K) 58 3 292 3
CHASSIS (Grade) Distance (mm)
ABCD
• Drill the piping hole with a ø70mm hole core
drill. Drill the piping hole at either the right or
the left with the hole slightly slanted to the
outdoor side.
Drill a hole in the wall
5-7mm
(3/16"~5/16")
Indoor WALL Outdoor
Standard / Artcool Deluxe type
10 Room Air Conditioner
Flaring Work and Connection of Piping
Flaring Work and Connection of Piping
Flaring work
Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the
following procedure.
Cut the pipes and the cable.
1. Use the piping kit accessory or the pipes
purchased locally.
2. Measure the distance between the indoor and
the outdoor unit.
3. Cut the pipes a little longer than measured
distance.
4. Cut the cable 1.5m longer than the pipe length.
Burrs removal
1. Completely remove all burrs from the cut cross
section of pipe/tube.
2. Put the end of the copper tube/pipe in a
downward direction as you remove burrs in
order to avoid dropping burrs into the tubing.
Putting nut on
• Remove flare nuts attached to indoor and
outdoor unit, then put them on pipe/tube having
completed burr removal.
(not possible to put them on after flaring work)
Flaring work
• Carry out flaring work using flaring tool as shown
below.
• Firmly hold copper pipe in a die in the dimension
shown in the table above.
Copper
pipe
90°Slanted Uneven Rough
Pipe Reamer
Point down
Flare nut
Copper tube
mm inch mm
Ø6.35 1/4 0~0.5
Ø9.52 3/8 0~0.5
Ø12.7 1/2 0~0.5
Outside diameter A
Bar
Copper pipe
Clamp handle Red arrow mark
Cone
Yoke
Handle
Bar
"A"
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