LG MULTI V LRNN Series Manuale utente
System
Heat Pump Indoor Unit
INSTALLATION MANUAL
LG
MODELS: LRNN, LRNV-SV Series
Type: Art Cool-Wide
website http://www.lgservice.com
IMPORTANT
• Please read this Installation manual completely before
installing the product.
• 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.
2Indoor Unit
Art Cool Wide Type Indoor Unit Installation Manual
TABLE OF CONTENTS
❏ Installation guide map
❏Four type "A" screws & plastic
anchors
❏Connecting cable
❏Pipes: Gas side
Liquid side
(Refer to Product Data)
❏Insulation materials
❏Additional drain pipe
❏Two type "B" screws
❏Level gauge
❏Screw driver
❏Electric drill
❏Hole core drill
❏Horizontal meter
❏Flaring tool set
❏Specified torque wrenches
(different depending on model No.)
❏Spanner .......Half union
❏A glass of water
❏Screw driver
❏Hexagonal wrench
❏Gas-leak detector
❏Vacuum pump
❏Gauge manifold
❏Owner's manual
❏Thermometer
Installation Parts Provided....3
Safety Precautions .................4
Installation
Selection of the best location 7
Preparing work for
installation ..............................8
Fixing the installation
plate on the wall and fixing
indoor unit...............................9
Connection of piping............11
Drain piping..........................12
Front panel assembly ..........13
Installation of remote
control...................................15
Drain pipe work....................16
Installation Requirements Required Parts Required Tools
Installation Manual 3
Installation Parts Provided
Installation Parts Provided
Name
Quantity
Shape
1 EA
Installation panel
1 set
Securing screws
2 EA
M4 x 12L
Name
Quantity
Shape
Insulating tape Clamp
4 EA
(Other)
• Owner's manual
• Installation manual
for gas pipe
for liquid pipe
Insulation for
fitting
1 set
4Indoor Unit
Safety Precautions
Safety Precautions
To prevent injury to 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.
■Meanings of 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.
■Installation
Do not use a defective or under-
rated 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 electri-
cian, or an Authorized Service
Center.
• Do not disassemble or repair the
product. There is risk of fire or elec-
tric shock.
Always ground the product.
• There is risk of fire or electric shock.
Install the panel and the cover
of control box securely.
• There is risk of fire or electric shock.
Always install a dedicated cir-
cuit 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.
Installation Manual 5
Safety Precautions
■Operation
Do not modify or extend the
power cable.
• There is risk of fire or electric shock.
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.
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 condi-
tioner could fall with it, causing prop-
erty damage, product failure, and
personal injury.
Do not store or use flammable gas or combustibles near the product.
• There is risk of fire or failure of product.
Gasolin
6Indoor Unit
Safety Precautions
Always check for gas (refriger-
ant) 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 prop-
erly.
• 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 out-
door 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 con-
denser and evaporator fins, could
cause product malfunction or inefficient
operation.
90˚
■Installation
Installation Manual 7
Installation
Read completely, then follow step by step.
Installation
Selection of the best location
CAUTION
: In case that the unit is installed near the sea, the installation parts may be corrod-
ed by salt. The installation parts (and the unit) should be taken by appropriate anti-
corrosion measures.
•Do not have any heat or steam near the unit.
•Select a place where there are no obstacles in front of the unit.
•Make sure that condensation drainage can be conveniently routed away.
•Do not install near a doorway.
•Ensure that the space around the left and right of the unit is more than 50cm. The unit should be installed as high on the
wall as possible, allowing a minimum of 10cm from ceiling.
•Use a stud finder to locate studs to prevent unnecessary damage to the wall.
More than 10cm
More than 50cm
More than 2m More than 50cm
8Indoor Unit
Installation
Preparing Work for Installation
The wall you select should be strong and solid enough
to prevent vibration
1) Open panel front
•First, pull the grille bottom, then remove screws
(2 pieces), and close grille bottom again.
•The moment of lifting the both lower parts of panel
front, you can hear sound this panel came out. In
this time panel front is separated.
•After pulling down this panel a bit, separate con-
necting wire from product.
2) Cover pipe and cover side remove
•Remove two screws(for fixing cover pipe)
•Pull up the cover side of desired connecting direc-
tion, then cover side is separated.
•In case connecting direction is left or right, path
through the hole of cover side.
(When path through the hole, take care of burr.)
When connecting pipe path through rear
wall, don’t remove the hole.
3) Drain hose junction
•Remove the rubber stopple of desired drain direc-
tion.
•As the following picture, insert drain hose in the han-
dle of drain pan, and join drain hose and connecting
hose.
NOTICE
Panel Front
Connector
rubber cap
Only one
desiring direction
Connecting
part
Adhesive
Drain
hose
Pipe hole
Side cover
Installation Manual 9
Installation
Fixing the Installation Plate on the Wall and fixing indoor Unit
1. Drilling the center hole with ø3.5mm drill
and fix the plate with screw or hail.
2. Always mount the installation plate
horizontally by aligning the making-off line
by means of the thread and a level.
3. Confirm the horizontal and fixed state of the plate.
4. Confim the piping hole position.
240mm
60mm
240mm
60mm
Center hole
Installation plate
Weight
Thread
Type "A"
screw
Making-off line
Weight
Thread
Making-off line
10 Indoor Unit
Installation
CAUTION : Installation Information
(For right piping)
• Bad case
■
Following bending type from left to right could cause prob-
lem of pipe damage.
• Good case
For right piping. Follow the instruction below.
■
Press on the upper side of clamp and
unfold the tubing to downward slowly.
•Drilling the hole slightly tilted.
•Piping direction
70mm
70mm
Indoor Outdoor
5~7mm
Pipes
Drain pipe
Right
Left
Right rear
Left rear
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