LG ARNU09GB3G4 INSTALLATION INSTRUCTIONS
P/NO : MFL67142705
www.lg.com
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.
BUILT - IN DUCT - LOW STATIC
Original instruction
INSTALLATION MANUAL
AIR
CONDITIONER
[
Representative
] LG Electronics Inc. EU Representative : LG Electronics European Shared
Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands
[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu,
Changwon-si, Gyeongsangnam-do, KOREA
ENGLISH
ITALIANO ESPAÑOL
FRANÇAIS
DEUTSCH
ΕΛΛΗΝΙΚΆ
ČEŠTINA
NEDERLANDS
POLSKI
LIMBA ROMÂNĂ
2 Indoor Unit
Ceiling Concealed Duct - Low Static Type Indoor Unit Installation Manual
TABLE OF CONTENTS
o Four type "A" screws
o Connecting cable
o Pipes: Gas side
Liquid side
(Refer to Product
Data)
o Insulation materials
o Additional drain pipe
o Level gauge
o Screw driver
o Electric drill
o Hole core drill
o Flaring tool set
o Specified torque wrenches
(different depending on model No.)
o Spanner.......Half union
o A glass of water
o Screw driver
o Hexagonal wrench
o Gas-leak detector
o Vacuum pump
o Gauge manifold
o Owner's manual
o Thermometer
Features...................................3
Safety Precautions.................4
Installation
Selection of the best
location...................................9
Ceiling dimension and hang-
ing bolt location....................10
Indoor Unit Installation.........11
Checking the Drainage .......12
Drain Piping .........................13
Dip Switch Setting ...............15
Group Control Setting .........16
Model Designation ..............21
Airborne Noise Emission ....21
Limiting concentration .........21
How to Set E.S.P?................22
Installation Requirements
Required Parts Required Tools
Installation Manual 3
Feature
ENGLISH
Features
Name Drain hose Clamp metal
Washer for
hanging bracket
Clamp
(Tie Wrap)
Insulation for
fitting
Quantity
1 EA 2 EA 8 EA 4 EA 1 SET
Shape
(Other)
• Owner's manual
•
Installation manual
for gas pipe
for liquid pipe
Installation Tool
Built-in Duct type
Suction Grille
Wired Remote Controller
Suction Grille + Suction Canvas
Wired Remote Controller
Safety Precautions
4 Indoor Unit
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be
followed.
n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classi-
fied by the following indications.
n 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 to properties only.
Be sure not to do.
Be sure to follow the instruction.
WARNING
n Installation
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.
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 modify or extend the power cable.
• 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.
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.
Installation Manual 5
Safety Precautions
ENGLISH
Do not turn on the breaker or power
under condition that front panel,
cabinet, top cover, control box
cover are removed or opened.
• Otherwise, it may cause fire, electric
shock, explosion or death.
Use a vacuum pump or Inert (nitrogen)
gas when doing leakage test or air
purge. Do not compress air or Oxygen
and Do not use Flammable gases. Otherwise, it may cause fire or explosion.
• There is the risk of death, injury, fire or
explosion.
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.
n Operation
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.
Take care to ensure
that power cable could
not be pulled out or
damaged during operation.
• There is risk of fire or
electric shock.
Do not place anything
on the power cable.
• There is risk of fire or
electric shock.
Do not plug or unplug
the power supply plug
during operation.
• There is risk of fire or
electric shock.
Do not touch(operate)
the product 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
product.
• 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.
Safety Precautions
6 Indoor Unit
Ventilate the product
from time to time when
operating it together
with a stove, etc.
• There is risk of fire or
electric shock.
Turn the main power
off when cleaning or
maintaining the product.
• There is risk of electric
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.
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.
If strange sounds, or
small or smoke comes
from product. Turn the
breaker off or disconnect the power supply
cable.
• There is risk of electric
shock or fire.
Stop operation and
close the window in
storm or hurricane.
If possible, remove the
product from the window before the hurricane arrives.
• There is risk of property
damage, failure of product, or electric shock.
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
electric shock.
Be cautious that water
could not enter the
product.
• There is risk of fire,
electric shock, or product damage.
Installation Manual 7
Safety Precautions
ENGLISH
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
n Installation
n Operation
Do not expose the skin
directly to cool air for
long periods of time.
(Don't sit in the draft.)
• This could harm to 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.