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Safety Precautions   

Ownerʼs Manual 

5

ENGLISH

Installation

CAUTION

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.

Operation

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.

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.

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.

Do not touch the metal parts of the
product when removing the air
filter. They are very sharp!

• There is risk of personal injury.

Do not step on or put anyting
on the product. (outdoor units)

• There is risk of personal injury

and failure of 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.

• There are sharp and moving parts

that could cause personal injury.

Do not drink the water drained
from the product.

• It is not sanitary and could cause

serious health issues.

If the liquid from the batteries gets onto your skin
or clothes, wash it well with clean water. Do not
use the remote if the batteries have leaked.

• The chemicals in batteries could cause burns or

other health hazards.

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.

Use a firm stool or ladder when
cleaning or maintaining the
product.

• Be careful and avoid personal

injury.

Replace the all batteries in the
remote control with new ones of
the same type. Do not mix old and
new batteries or different types of
batteries.

• There is risk of fire or explosion

Do not recharge or
disassemble the batteries. 
Do not dispose of batteries in a
fire.

• They may burn or explode.

Summary of Contents for ARNU48GBRZ2

Page 1: ...WNER S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference P NO MFL63722001 www lg com ENGLISH ITALIANO ESPAÑOL FRANCAIS DEUTSCH PORTUGUESE ΕΛΛΗΝΙΚΆ NEDERLANDS êìëëäàâ üáõä ...

Page 2: ...rt 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 cond...

Page 3: ...roduct 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 ...

Page 4: ...orized 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 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 Operation D...

Page 5: ...shock or damage to the plastic parts of the product Do not touch the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury Do not step on or put anyting on the product outdoor units There is risk of personal injury and failure of product Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filte...

Page 6: ...ing precision devices food pets plants and art objects Such usage could damage the items 1 Do not touch the metal parts of the unit when removing the filter Injuries 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 a...

Page 7: ...screen 2 Set temperature button It will set not room temperature but outlet air temperature 3 Fan speed button Fan Speed have 3 Steps Middle and Low step is same 4 ON OFF button 5 Opration mode selection button 6 Wireless remote controller receiver Some products don t receive the wireless signals 7 Air flow button 8 Subfunction button 9 Function setting button 10 Ventilation button 11 Reservation ...

Page 8: ...to start or stop smart clean 7 Clear all button Used to clear all timer 8 Room temperature setting button Used to select the setting outlet temperature 9 ON OFF button Used to turn off on the unit 10 Indoor fan speed selection button Fan speed in all step is same 11 Auto swing button Used to stop or start louver movement and set the desired up down airflow direction 12 Horizontal airflow direction...

Page 9: ...t temperature might be not enough controlled in that region FAU Fresh Air Intake Unit Fan operation thermo off Fan operation thermo off Fan operation Fan operation Cooling Cooling Cooling Cooling Outdoor Air Temperature Toa 43 1 19 C 15 C 5 C 5 C Cooling mode Heating mode Heating Heating 16 C 16 C 18 C 1 Normal model 43 C Tropical model 48 C 2 Normal model 43 C Tropical model 48 C Automatic mode H...

Page 10: ...hing with water If dirt is conspicuous wash with a neutral detergent in lukewarm water If hot water 50 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 Install the air filter Air filter The air filters behind the front grille should be checked and cleaned once every 2 weeks or ...

Page 11: ...nstall it in the indoor unit Check that the air inlet and outlet of the indoor outdoor unit are not blocked Check that the ground wire is connected correctly It may be connected to the indoor unit side Do not overcool the room This is not good for the health and wastes electricity Keep blinds or curtains closed Do not let direct sunshine enter the room when the air conditioner is in operation Keep...

Page 12: ...s heard Remote control display is faint or no display at all Is the air filter dirty See air filter cleaning instructions The room may have been very hot when the room air conditioner was first turned on Allow time for it to cool down Has the temperature been set incorrectly Are the indoor unit s air inlet or outlet vents obstructed For a noise that sounds like water flowing This is the sound of f...

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