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Safety Precautions   

6

Indoor Unit

Installation

CAUTION

Operation

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˚

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.

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.

Summary of Contents for ARNU12GTJC1

Page 1: ...ease retain this owner s manual for future reference after reading it thoroughly Prior to installation this air conditioning unit must be submitted for approval by the utility service which provides electricity EN 61000 2 EN 61000 3 Norm Models TJ Series Type Ceiling Mounted Cassette 1Way ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ...

Page 2: ...hart 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...

Page 3: ...t to do Be sure to follow the instruction WARNING 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 p...

Page 4: ...oduct 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 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 ...

Page 5: ...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 ...

Page 6: ... 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 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...

Page 7: ...t 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 Use a firm stool or ladder when cleaning or maintaining the product Be careful and avoid personal injury R...

Page 8: ...recision 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 and br...

Page 9: ...ff 01 03 05 07 09 11 13 15 17 19 21 23 2ndF 1 2 5 6 7 8 9 10 11 12 13 3 4 14 1 Operation indication screen 2 Swirl button 3 2ndF button 4 Timer set cancel Program Week Holiday Hour Min SET Clr Ventilator 5 Set temperature button 6 ON OFF button 7 Fan operation 8 Operation mode selection button 9 Fan speed button 10 Horizontal Vertical air flow direction button 11 Room temperatur filtersign release...

Page 10: ... Used to stop or start louver movement and set the desired up down airflow direction 7 On Off Timer Buttons Used to set the time of starting and stopping operation 8 Time Setting Button Used to adjust the time 9 Timer Set Cancel Button Used to set the timer when the desired time is obtained and to cancel the Timer operation 10 Sleep Mode Auto Button Used to set Sleep Mode Auto operation 11 Air Cir...

Page 11: ...rced Operation the initial mode continues In case the power comes on again after a power failure Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions 1 Filter sign lamp LED is ON 2 If LED indicating filter sign lamp is ON clean the filter 3 After cleaning the filter press the Timer button and button of wired remote controller at the sam...

Page 12: ...door unit It may cause an injury 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 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 Filt...

Page 13: ...ll it in the indoor unit Refer to page 12 for cleaning it 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 connect 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 condi...

Page 14: ...d 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 freon f...

Page 15: ...P No 3828A20872C Printed in Korea After reading this manual keep it in a place easily accessible to the user for future reference ...

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