ARNU15GBHA2
LG ARNU15GBHA2, ARNU24GBHA2, ARNU18GBHA2, ARNU09GBHA2, ARNU12GBHA2 Installation Manual
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INSTALLATION MANUAL
AIR CONDITIONER
• 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.
P/NO : MFL68025101
www.lg.com
TYPE: Ceiling Concealed Duct - High Static
ENGLISH ESPAÑOL
FRANÇAIS
РУССКИЙ ЯЗЫК
O‘ZBEK TILI
2 Indoor Unit
Ceiling Concealed Duct - High 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 ...............................7
Selection the best location ....7
Ceiling opening dimension
and hanging bolt location ......8
Indoor Unit Installation...........9
Wiring Connection .................9
Checking the Drainage........10
Dip Switch Setting ...............13
Group Control Setting..........14
How to Set E.S.P? ................19
Installation Requirements
Required Parts Required Tools
Installation Manual 3
Feature
ENGLISH
Air filters
Wired Remote Controller
Air intake vents
Air outlet vents
Re
mo
t
e Control
le
r
TEMP
Features
Name
Quantity
Shape
for gas pipe
for liquid pipe
Clamp metal
2 EA
Insulation for
fitting
1 SET
Drain hose
1 EA
Clamp
(Tie Wrap)
8 EA
Washer for
hanging backet
4 EA
(Other)
• Owner's manual
• Installation manual
4 Indoor Unit
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must be followed.
n Be sure to read before installing the air conditioner.
n Be sure to observe the cautions specified here as they include important items related to safety.
n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the
following indications.
n 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.
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.
Installation Manual 5
Safety Precautions
ENGLISH
n 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
conditioner could fall with it,
causing property 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.
Use a vacuum pump or Inert (nitrogen) gas when do 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.
Gasolin
6 Indoor Unit
Safety Precautions
n Installation
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.
90˚
If you eat the liquid from the
batteries, brush your teeth
and see doctor. Do not use
the remote if the batteries
have leaked.
• The chemicals in batteries
could cause burns or other
health hazards.
Make sure to check the rated
pressure outside machine
and adjust E.S.P value after
the installation of the product.
• Otherwise, there is a risk of
weak cooling/heating and condensed water emission/dripping.
Installation Manual 7
Installation
Install the air conditioner in the location that satisfies the following conditions.
• The place shall easily bear a load exceeding four times the indoor unitʼs weight.
• The place shall be able to inspect the unit as the figure.
• The place where the unit shall be leveled.
• The place shall allow easy water drainage.(Suitable dimension “H” is necessary to get a slope to drain as
figure.)
• The place shall easily connect with the outdoor unit.
• The place where the unit is not affected by an electrical noise.
• The place where air circulation in the room will be good .
• There should not be any heat source or steam near the unit.
Read completely, then follow step by step.
Top view
Unit : mm
20 or more
Front view
600600
Front
Inspection hole
(600X600)
Control box
1000
ENGLISH
Installation
Selection of the best location
CAUTION : In case that the unit is installed near the sea, the installation parts
may be corroded by salt, The installation parts (and the unit) should be taken
appropriate anti-corrosion measures.
Minimum height for motor replacement.
Less than 20cm
Hole size should be
more than the size of IDU.
Insufficient space. Difficult for servicing
20cm to 100cm2
Sufficient space in the ceiling for servicing.
More than 100cm1
Remarks
Distance between
False ceiling & Actual ceiling
Number of
Inspection hole
[Inspection Hole Standard]
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