• Do not attempt to repair, relocate, modify or reinstall the air conditioner by yourself. Incorrect work or modifications could cause electric shocks, fire or other damage. For repairs and reinstallation, consult your Daikin dealer for advice and information. • If the air conditioner is not cooling (heating) properly, the refrigerant may be leaking, contact your authorized dealer or qualified service repairman.
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• Arrange the drain hose to ensure smooth drainage. Improper drainage may cause water damage to the building, or its furnishing. • Depending on the usage environment, water may leak from the air conditioner. If this happens, contact your Daikin Dealer.
Names of Parts Indoor Unit Air inlet Upper panel Front panel Room temperature Air outlet sensor Fins • It detects the air temperature (vertical blades) around the indoor unit. • The fins are inside of the air outlet. Page 14 Room humidity sensor Louvers •...
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Open the front panel Streamer unit Page 24-27 Deodorizing filter for streamer (black) Air filter (light blue) Page 23 Titanium apatite photocatalytic air-purifying filter (black) Page 24-27 Outdoor Unit Refrigerant piping and inter-unit wiring Drain hose • Drains water coming from the indoor unit. Outdoor temperature sensor Air outlet •...
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Names of Parts Remote Controller: ARC447A3 Transmitter/Receiver Transmitter/ Receiver DISPLAY (LCD) • To use the remote controller, aim the • Displays the current settings. transmitter at the indoor unit. If there is (In this illustration, each section is anything to block signals between the shown with all its displays on for the unit and the remote controller, such as purpose of explanation.)
Open the front cover COOLING BREEZE button FAN setting button • COOLING BREEZE operation. • Selects the airflow rate setting. Page 15 Page 14, 15 SWING button • Adjusts the airflow direction. Page 14 SELECT button • Changes the TIMER and COMFORT SLEEP operation and SET UP.
Preparation before Operation To set the batteries Position + and – correctly! Press with a finger and slide the cover to take it off. Set 2 dry batteries AAA.LR03 (alkaline). Set the cover as before. • Characters on the display will blink. Set the present time. Page 9 Change the temperature display.
To set the clock * Time cannot be set during unit operation. Press Do not hold the button. is displayed. blinks. Press • Holding the button changes the time faster. Press blinks. is displayed. • Setting is complete. NOTE If other messages than time appear on the display with the step operation, do not operate the button for about 60 seconds.
COOLING · “SARARA” DRYING Operation COOLING operation To lower temperture Press • The multi-monitor lamp of the unit will turn on GREEN. To lower temperture and humidity Press • The multi-monitor lamp of the unit will turn on YELLOW. * It is recommended to switch to COOLING operation if you want to lower temperature preferentially during DRY COOLING operation.
HEATING Operation HEATING operation To raise temperature Press • The multi-monitor lamp of the unit will turn on RED. To stop operation Press • The multi-monitor lamp of the unit will go off. To change the temperature ...
AUTO Operation After pressing the AUTO button, the air conditioner will operate according to room conditions in an automatic mode. Press • HEATING: The multi-monitor lamp of the unit will turn on RED. • COOLING: The multi-monitor lamp of the unit will turn on GREEN. •...
FLASH STREAMER AIR PURIFYING · POWERFUL Operation The absorption power of the Titanium apatite photocatalytic air-purifying filter and air supply filter and the resolving power of the streamer discharge reduce bad odors and viruses, cleaning the room air. Press (Can be used together with heating or cooling, or on its own.) •...
Adjusting the Airflow Direction and Rate More comfortable airflow is provided with airflow direction and airflow rate adjustment. To change vertical and horizontal airflow directions Press during operation. • The airflow direction indication will display. (In case of vertical direction) •...
COMFORT AIRFLOW · COOLING BREEZE Operation COMFORT AIRFLOW operation Press COMFORT AIRFLOW operation • The airflow direction and airflow rate are adjusted so that the air from the unit does not blow directly on the occupants of the room. •...
TIMER Operation Timer functions are useful for automatically switching the air conditioner on or off at night or in the morning. The timer operates only one time. Set the timer for each use. COUNTDOWN OFF TIMER operation Set the time to stop. Press •...
COMFORT SLEEP Operation Controlling the room temperature supports comfort sleep and pleasant wake-up. • Check that the clock is correct. If not, set the clock to the present time. Page 9 • The present time display disappears when the COMFORT SLEEP operation is set. Press during operation.
SET UP · CHILD PROOF LOCK SET UP Sets the unit operation and remote controller display according to your preference. Press • The setup mode will be activated. The item will change every time is pressed. The settings will change every time pressed respectively.
INFORMATION DISPLAY Displays the room temperature and humidity and outdoor temperature. Press • After pressing , point the remote controller at the air conditioner unit for 2 seconds. Return to normal display Set temperature Indoor temperature Outdoor Indoor humidity temperature ...
Care and Cleaning Quick reference CAUTION • Before cleaning, be sure to stop the operation and turn the breaker off. • Do not touch the aluminum fins of the indoor unit. If you touch those parts, this may cause an injury. Upper panel Wipe off if it gets dirty.
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CAUTION • Only open the front panel after turning the unit off. Opening the panel during operation may cause the panel to fall off. Attaching and removing the front pane Open the front panel. • Placing a finger on the panel tab on either side of the front panel. Front panel Remove the front panel.
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Care and Cleaning Attaching and removing the upper panel Remove the front panel and pull out the air filter. Page 23 Remove the upper panel. 1) Hold the 2 tabs on either side of the upper panel and pull forward to remove. 2) Remove the tab in the center and lift.
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Cleaning the air filter is displayed on the remote controller) Open the front panel. • Open the front panel by placing a finger on the panel tab on either side of the front panel and then secure it using the supporting plate on the right.
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Care and Cleaning Attaching and removing the deodorizing filter for streamer, Titanium apatite photocatalytic air-purifying filter, streamer unit Titanium apatite photocatalytic air-purifying filter Removing Open the front panel and pull out the air filter. Page 23 Remove the deodorizing filter for streamer. •...
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Streamer unit Deodorizing filter for streamer Attaching Replace the streamer unit to its original position. Attach the deodorizing filter for streamer. • Insert the deodorizing filter for streamer until it clicks. Attach the Titanium apatite photocatalytic air-purifying filter. • Insert the 2 upper tabs on the Titanium apatite photocatalytic air-purifying filter into the guides on the main unit and then hook up the 2 lower tabs.
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Care and Cleaning Cleaning the deodorizing filter for streamer, Titanium apatite photocatalytic air-purifying filter and streamer unit is displayed on the remote controller) Attaching and removing each part Page 24, 25 Deodorizing filter for streamer/Titanium apatite photocatalytic air-purifying filter •...
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How to replace Deodorizing filter for streamer Titanium apatite photocatalytic airpurifying filter (Once in about 3 years) (Once in about 3 years) • Remove from the filter frame and replace the filter with a new one. •...
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Care and Cleaning NOTE The deodorizing filter for stream and the titanium apatite photocatalytic air-purifying filter should be cleaned regularly. We recommend replacing the filter in the following situations. • If it is damaged during cleaning because it is made of paper. •...
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. • When ON/OFF button was pressed soon You should wait for about 3 minutes.
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Troubleshooting Check again. Please check again before calling a repair person. Case Check • Hasn’t a breaker turned off or a fuse blown? The air conditioner does not • Isn’t it a power failure? operate. • Are batteries set in the remote controller? (Multi-monitor lamp is off.) •...
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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 malfunctioning, electric shocks or fire. •...
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Troubleshooting FAULT DIAGNOSIS BY REMOTE CONTROLLER In the ARC447A3, the temperature display sections on the main unit indicate corresponding codes. Hold the timer cancel button down for 5 seconds, with the remote controller set toward the indoor unit. CANCEL button It cancels the timer setting.
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Two-dimensional bar code is a code for manufacturing. 3P226009-1A M07B240A (1211) HT...
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