LG ARNU48GV2A4 Owner's manual


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LG ARNU48GV2A4 Owner's manual | Manualzz
OWNER’S MANUAL
AIR
CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : Ceiling Suspended
Original instruction
MFL68961002
REV.00_062816
Ceiling Suspended Convertable Type Indoor Unit Owner’s Manual
TABLE OF CONTENTS
FOR YOUR RECORDS
Safety Precautions.................3
Write the model and serial numbers here:
Model #
Prior to Operation ..................6
Serial #
Maintenance and Service ......7
Dealer's Name
Before you Call for
Service..................................9
You can find them on a label on the side of each unit.
Date Purchased
Staple your receipt to this page in the event you need
to prove date of purchase or to issue warranty.
READ THIS MANUAL
Inside you will find many helpful hints on how to use
and maintain your air conditioner properly. Just a little
preventive care on your part can save you a great deal
of time and money over the life of your air conditioner.
You'll find many answers to common problems in the
chart of troubleshooting tips. If you review our chart of
Troubleshooting Tips first, you may not need to call
for service at all.
PRECAUTION
• Contact the authorized service technician for repair or
maintenance of this unit.
• Contact the installer for installation of this unit.
• The air conditioner is not intended for use by young
children or invalids without supervision.
• Young children should be supervised to ensure that
they do not play with the air conditioner.
• When the power cord is to be replaced, replacement
work shall be performed by authorized personnel only
using only genuine replacement parts.
• Installation work must be performed in accordance with
the National Electric Code by qualified and authorized
personnel only.
2
Indoor Unit
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.
WARNING
This symbol indicates the possibility of death or serious injury.
CAUTION
This symbol indicates the possibility of injury or damage to properties only.
Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
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.
Install the panel and the cover
of control box securely.
WARNING
For electrical work, contact a
licensed electrician.
• Do not disassemble or repair the
product. There is risk of fire or
electric shock.
Always install a dedicated
circuit and breaker.
Always ground the product.
• There is risk of fire or electric
shock.
Use the correctly rated breaker
or fuse.
• There is risk of fire or electric
shock.
• Improper wiring or installation
may cause fire or electric shock
• There is risk of fire or electric
shock.
Do not modify or extend the
power cable.
Do not install, remove, or reinstall the unit by yourself
(customer).
Be cautious when unpacking
and installing the product.
• There is risk of fire or electric
shock.
For installation, always contact
a licensed electrician.
• There is risk of fire, electric shock,
explosion, or injury.
• 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.
• Sharp edges could cause injury.
Be especially careful of the case
edges and the fins on the
condenser and evaporator.
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.
Owner’s Manual 3
ENGLISH
Safety Precautions
Safety Precautions
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.
Use Inert (nitrogen) gas when doing leakage test.
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.
Operation
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 a heater or other
appliances near the power
cable.
• There is risk of fire and electric
shock.
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
Do not open the panel of the
product during operation.
Do not place anything on the
power cable.
• There is risk of fire or electric
shock.
• There is risk of fire or electrical
shock.
Do not allow water to run into
electric parts.
Do not store or use flammable
gas or combustibles near the
product.
• It may cause There is risk of fire,
failure of the product, or electric
shock.
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 electric shock or
fire.
• There is risk of property damage,
failure of product, or electric shock.
When the product is soaked
(flooded or submerged),
contact The installing
contractor.
• There is risk of fire or electric
shock.
Turn the main power off when
cleaning or maintaining the
product.
Take care to ensure that
nobody could step on or fall
onto the outdoor unit.
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.
4
Indoor Unit
• There is risk of fire or failure of
product.
If strange sounds, or smell of
smoke comes from product.
Turn the breaker off or
disconnect the power supply
cable.
• There is risk of physical injury,
electric shock, or product failure.
• There is risk of electric shock.
Do not touch(operate) the
product with wet hands.
• This could result in personal injury
and product damage.
Be cautious that water could
not enter the product.
• There is risk of fire, electric shock,
or product damage.
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.
Safety Precautions
ENGLISH
CAUTION
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.
Use two or more people to lift and transport the product.
• Avoid personal injury.
Operation
Do not expose the skin directly
to cool air for long periods of
time. (Don't sit in the draft.)
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.
Do not block the inlet or outlet
of air flow.
• This could harm to your health.
• There is risk of damage or loss of property.
• It may cause product failure.
Do not touch the metal parts of the
product when removing the air
filter. They are very sharp!
Do not step on or put anything
on the product. (outdoor units)
• There is risk of personal injury.
• There is risk of personal injury
and failure of product.
Use a soft cloth to clean. Do
not use harsh detergents,
solvents, etc.
• There is risk of fire, electric
shock, or damage to the plastic
parts of the product.
Always insert the filter securely.
Clean the filter every two weeks
or more often if necessary.
• A dirty filter reduces the efficiency of
the air conditioner and could cause
product malfunction or damage.
Do not insert hands or other objects
through the air inlet or outlet while the
product is operated.
Do not drink the water drained
from the product.
• There are sharp and moving parts
that could cause personal injury.
• It is not sanitary and could cause
serious health issues.
Use a firm stool or ladder when cleaning or maintaining the product.
• Be careful and avoid personal injury.
• This appliance can be used by children aged from 8 years and above and persons with reduced physical,
sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or
instruction concerning use of the appliance in a safe way and understand the hazards involved. Children shall
not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.
Owner’s Manual 5
Prior to Operation
Prior to Operation
Preparing for operation
1. Contact an installation specialist for installation.
2. Use a dedicated circuit.
Usage
1. Being exposed to direct airflow for an extended period of time could be hazardous to your health.
Do not expose occupants, pets, or plants to direct airflow for extended periods of time.
2. Do not use this air conditioner for non-specified special purposes (e.g. preserving precision devices, food, pets, plants, and art objects). Such usage could damage the items.
Cleaning and maintenance
1. Do not touch the metal parts of the unit when removing the filter. Injury can occur when handling
sharp metal edges.
2. Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation,
leading to possible electric shock.
3. When cleaning the unit, first make sure that the power and breaker are turned off. The fan rotates
at a very high speed during operation. There is a possibility of injury if the unit’s power is accidentally triggered on while cleaning inner parts of the unit.
Service
For repair and maintenance, contact your authorized service dealer.
6
Indoor Unit
Maintenance and Service
ENGLISH
Maintenance and Service
CAUTION
Before performing any maintenance, turn off the main power to the system, disconnect the circuit breaker and
unplug the power cord.
Indoor Unit
Clean the unit with a soft dry cloth. Do not use bleach or abrasives.
CAUTION
Never use any of these
• Water hotter than 40°C. It may cause deformation and discoloration.
• Volatile substances. They may damage the surface of the air conditioner.
P o wd
er
G a s o li n e
Air Filters
The air filters behind the front grille should be checked and cleaned once every 2 weeks or more often if
necessary.
-. Never use any of the followings :
1.Water more than 40 °C. It may cause deformation and/or discoloration.
2.Volatile substances. Could damage the surfaces of the air conditioner.
-. Removal and Cleaning of the air filters
1.Hold the tab and pull slightly forward to remove the filters.
2.Clean dirt from the air filter using a vacuum cleaner or washing with water. If dirt is conspicuous, wash
with a neutral detergent in lukewarm water. If hot water (40 °C or more) is used, it may be deformed.
3.After washing with water, dry well in the shade. Do not expose the air filter to direct sunlight or heat
from a fire when drying it.
4.Reassembly the air filter
Louver
Air outlet vent
Air filters
(behind inlet grille)
Air inlet vent
(inlet grille)
CAUTION
When the air filter is to be removed, do not touch the metal parts of the indoor unit. It may cause an injury.
Owner’s Manual 7
Maintenance and Service
When the air conditioner is not going to be used for a long time.
When air conditioner is not going to be
used for a long time.
Operate the air conditioner on Air
circulation mode for 2 to 3 hours.
• This will dry out the internal mechanisms.
When the air conditioner is used again.
Clean the air filter and install it in the
indoor unit.
(Refer to page 7 for cleaning filters.)
Check that the air inlet and outlet of the
indoor/outdoor unit are not blocked.
Turn off the circuit breaker.
CAUTION
Turn off the circuit breaker when the air conditioner
is not going to be used for a long time.
Dirt may collect and may cause a fire.
Check that the ground wire is
connected correctly. It may be
connected to the indoor unit side.
Remove the batteries from the remote
controller.
Operation Tips
8
Do not overcool the room.
Keep blinds or curtains
closed.
Keep the room temperature
uniform.
This is not good for the health
and wastes electricity.
Do not let direct sunshine enter
the room when the air
conditioner is in operation.
Adjust the vertical and
horizontal airflow direction to
ensure a uniform temperature
in the room.
Make sure that the doors
and windows are shut tight.
Clean the air filter regularly.
Ventilate the room
occasionally.
Avoid opening doors and
windows as much as possible
to keep the cool air in the room.
Blockages in the air filter
reduces the airflow and lowers
the cooling and dehumidifying
effects. Clean at least once in
every two weeks.
Since windows are kept closed,
it is a good idea to open them
and ventilate the room now and
then.
Indoor Unit
Maintenance and Service
?
Troubleshooting Tips! Save time and money!
Check the following points before requesting repairs or service.... If the malfunction persists,
please contact your dealer.
Case
Explanation
The air conditioner does not
operate.
• Have you made a mistake in timer operation?
• Has the fuse blown or has the circuit breaker been tripped?
The room has a peculiar
odor.
• Check that this is not a damp smell exuded by the walls, carpet,
furniture, or cloth items in the room.
It seems that condensation
is leaking from the air
conditioner.
• Condensation occurs when the airflow from the air conditioner
cools the warm room air.
Air conditioner does not
operate for about 3 minutes
when restarted.
• This is the protector of the mechanism.
• Wait about three minutes and operation will begin.
Does not cool or heat
effectively.
• Is the air filter dirty? See air filter cleaning instructions.
• Has the temperature been set incorrectly?
• Are the indoor unit's air inlet or outlet vents obstructed?
The air conditioner
operation is noisy.
• For a noise that sounds like water flowing.
-This is the sound of freon flowing inside the air conditioner unit.
• For a noise that sounds like the compressed air releasing into
atmosphere.
-This is the sound of the dehumidifying water being processed
inside the air conditioning unit.
Crack sound is heard.
• This sound is generated by the
expansion/constriction of the front panel, etc.
due to changes of temperature.
NOTE
WATER RESISTANT: The indoor unit is not water resistant and should not be exposed to excess water.
Owner’s Manual 9
ENGLISH
Before you call for service...
10
Indoor Unit
LG Electronics European Shared Service Center B.V.
Krijgsman 1, 1186 DM Amstelveen, The Netherlands
LG Electronics Tianjin Appliances Co.,Ltd.
No.09, JinWei Road, BeiChen District,Tianjin, China.

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