• Do not attempt to repair, relocate, modify or reinstall the air conditioner by yourself. Incorrect work will cause electric shocks, fire etc. For repairs and reinstallation, consult your Daikin dealer for advice and information. • The refrigerant used in the air conditioner is safe. Although leaks should not occur, if for some reason any refrigerant happens to leak into the room, make sure it does not come in contact with any flame as of gas heaters, kerosene heaters or gas range.
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• Do not block air inlets nor outlets. Impaired air flow may result in insufficient performance or trouble. • Do not stand or sit on the outdoor unit. Do not place any object on the unit to avoid injury, do not remove the fan guard. •...
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Outdoor Unit Indoor Unit 1. Air filter 11. Indoor Unit ON/OFF switch: (page 10.) • Push this switch once to start operation. 2. Titanium Apatite Photocatalytic Push once again to stop it. Air-Purifying Filter: • The operation mode refers to the following •...
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Remote Controller ECONO ON/OFF TEMP POWERFUL MODE SWING COMFORT CANCEL TIMER < > ARC433A89 1. Signal transmitter: 8. FAN setting button: • It selects the airflow rate setting. • It sends signals to the indoor unit. 9. SWING button: 2.
Preparation Before Operation To set the batteries Position + and 1. Slide the front cover to take it off. – correctly! 2. Set two dry batteries AAA.LR03 (alkaline). 3. Set the front cover as before. ATTENTION About batteries •...
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Preparation Before Operation To operate the remote controller • To use the remote controller, aim the transmitter at the indoor unit. If there is anything to block signals between the unit and the remote controller, such as a curtain, the unit will not operate.
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To set the clock 1. Press “CLOCK button”. is displayed. blinks. 2. Press “TIMER setting button” to set the clock to the present time. ECONO ON/OFF Holding down “ ” or “ ” button rapidly TEMP POWERFUL increases or decreases the time display. 3.
OPERATION AUTO · DRY · COOL · HEAT · FAN Operation The air conditioner operates with the operation mode of your choice. From the next time on, the air conditioner will operate with the same operation mode. To start operation 1.
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To change the airflow rate setting 5. Press “FAN setting button”. DRY mode AUTO or COOL or HEAT or FAN mode Five levels of airflow rate setting from “ ” to “ ” plus “ ” “ ” are available. The airflow rate setting is not variable.
Adjusting the Airflow Direction You can adjust the airflow direction to increase your comfort. To adjust the horizontal blade (flap) 1. Press “SWING button”. • “ ” is displayed on the LCD and the flap will begin to swing. ECONO ON/OFF 2.
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To start COMFORT AIRFLOW operation 3. Press “COMFORT AIRFLOW button”. • The position of the flap will change, preventing air from blowing directly on the occupants of the room. • “ ” is displayed on the LCD. • Airflow rate is set to “AUTO”. COOL/DRY...
POWERFUL Operation POWERFUL operation quickly maximizes the cooling (heating) effect in any operation mode. You can get the maximum capacity. To start POWERFUL operation 1. Press “POWERFUL button”. • POWERFUL operation ends in 20 minutes. Then the system automatically operates ECONO ON/OFF again with the previous settings which were...
ECONO Operation ECONO operation is a function which enables efficient operation by lowering the maximum power consumption value. To start ECONO operation 1. Press “ECONO button”. • “ ” is displayed on the LCD. To cancel ECONO operation 2.
TIMER Operation Timer functions are useful for automatically switching the air conditioner on or off at night or in the morning. You can also use OFF TIMER and ON TIMER in combination. To use OFF TIMER operation • Check that the clock is correct. If not, set the clock to the present time.
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To use ON TIMER operation • Check that the clock is correct. If not, set the clock to the present time (page 9.). 1. Press “ON TIMER button”. is displayed. blinks. 2. Press “TIMER Setting button” until the time setting reaches the point you like.
CARE Care and Cleaning CAUTION Before cleaning, be sure to stop the operation and turn the breaker OFF. Units Indoor unit, Outdoor unit and Remote controller 1. Wipe them with dry soft cloth. Front panel 1. Open the front panel. •...
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Filters 1. Open the front panel. (page 18.) Recess on • Hold the panel at the recesses on the main unit main unit (2 recesses on right and left sides) and lift it until it stops. 2. Pull out the air filters. •...
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[ Maintenance ] 1. Remove dust with a vacuum cleaner and wash lightly with water. 2. If it is very dirty, soak it for 10 to 15 minutes in water mixed with a neutral cleaning agent. 3. Do not remove filter from frame when washing with water. 4.
TROUBLESHOOTING Troubleshooting These cases are not troubles. The following cases are not air conditioner troubles but have some reasons. You may just continue using it. Case Explanation Operation does not start soon. • This is to protect the air conditioner. You should wait for about 3 minutes.
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Check again. Please check again before calling a repair person. Case Check The air conditioner does not • Hasn’t a breaker turned OFF or a fuse blown? operate. • Isn’t it a power failure? (OPERATION lamp is off.) • Are batteries set in the remote controller? •...
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Call the service shop immediately. WARNING When an abnormality (such as a burning smell) occurs, stop operation and turn the breaker OFF. Continued operation in an abnormal condition may result in troubles, electric shocks or fire. Consult the service shop where you bought the air conditioner. ...
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Fault diagnosis. FAULT DIAGNOSIS BY REMOTE CONTROLLER In the ARC433 series, the temperature display sections on the main unit indicate corresponding codes. 1. When the TIMER CANCEL button is held down for 5 seconds, a “ ” indication flashes on the temperature display section.