Do not attempt to repair, relocate, modify or reinstall the air conditioner by yourself. Incorrect work or modifi cations could cause electric shocks, fi re or other damage. For repairs and reinstallation, consult your Daikin dealer for advice and information. •...
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Arrange the drain hose to ensure smooth drainage. Improper drainage may cause water damage to the building, or it’s furnishing. • Depending on the usage environment, water may leak from the air conditioner. If this happens, contact your Daikin Dealer. •...
Name of Parts Indoor Unit Titanium Apatite Photocatalytic Air inlet Air-Purifying Filter Front panel Air fi lter Panel tab Air outlet INTELLIGENT EYE sensor • It detects the movements of Flaps (horizontal blades) people and automatically switches between normal Page 12 operation and energy saving operation.
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Open the front panel Air fi lter Titanium Apatite Photocatalytic Air-Purifying Filter Outdoor Unit • Appearance of the outdoor unit may differ from some models. Air inlet: (Back and side) Earth terminal • It is inside of this cover. Air outlet Refrigerant piping and inter-unit cable Drain hose...
Name of Parts Remote Controller: ARC452A6 Signal transmitter Display (LCD) Receiver • It displays the current settings. (In this illustration, each section is • To use the remote controller, aim the shown with all its displays ON for the transmitter at the indoor unit. If there purpose of explanation.) is anything to block signals between the unit and the remote controller,...
Preparation before Operation To set the batteries Slide the front cover to take it off. Position – correctly! Set 2 dry batteries AAA.LR03 (alkaline). Set the front cover as before. To fi x the remote controller holder on the wall Set.
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Turn the breaker ON • Turning ON the breaker closes the fl ap. (This is a normal procedure.) To set the clock Press “ ” is displayed. “ ” and “ ” blinks. Press to set the current day of the week. Press “...
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 Press and select a operation mode.
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To change the airfl ow rate setting Press DRY mode AUTO or COOL or HEAT or FAN mode Five levels of airfl ow rate setting from The airfl ow rate setting is not variable. “ ” to “ ” plus “ ”...
Adjusting the Airfl ow Direction You can adjust the airfl ow direction to increase your comfort. Adjusting the upper and lower airfl ow direction To adjust the fl aps (horizontal blades) Press “ • ” is displayed on the LCD and the fl aps will begin to swing. When the fl...
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Adjusting the 3-D airfl ow direction To start 3-D Airfl ow 1. 3. Press the and the the “ ” and “ ” display will light up and the fl ap and louvers will move in turn. To cancel 3-D Airfl ow 2.
COMFORT AIRFLOW Operation The fl ow of air will be in the upward direction while in cooling mode and in the downward direction while in heating mode, which will provide a comfortable wind that will not come in direct contact with people. To start COMFORT AIRFLOW operation Press and select “...
INTELLIGENT EYE Operation “INTELLIGENT EYE” is the infrared sensor which detects the human movement. To start INTELLIGENT EYE operation Press and select “ ” on the LCD. • Each time the is pressed a different setting option is displayed on the LCD. •...
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INTELLIGENT EYE Operation “INTELLIGENT EYE” is useful for Energy Saving Energy saving operation • Change the temperature –3.6F°(–2°C) in heating / +3.6°F(+2°C) in cooling / +3.6°F(+2°C) in dry mode from set temperature. • Decrease the airfl ow rate slightly in FAN mode only. •...
POWERFUL Operation POWERFUL operation quickly maximizes the cooling (heating) effect in any operation mode. You can get the maximum capacity. To start POWERFUL operation Press during operation. • POWERFUL operation ends in 20 minutes. Then the system automatically operates again with the previous settings which were used before POWERFUL operation.
OUTDOOR UNIT QUIET Operation OUTDOOR UNIT QUIET operation lowers the noise level of the outdoor unit by changing the frequency and fan speed on the outdoor unit. This function is convenient during night. To start OUTDOOR UNIT QUIET operation Press “...
ECONO Operation ECONO operation is a function which enables effi cient operation by limiting the maximum power consumption value. This function is useful for cases in which attention should be paid to ensure a circuit breaker will not trip when the product runs alongside other appliances. To start ECONO operation Press during operation...
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 Press “ ” is displayed. “ ” blinks. “ • ” and day of the week disappears from LCD. Press until the time setting reaches the point you like.
WEEKLY TIMER Operation Up to 4 timer settings can be saved for each day of the week. It is convenient if the WEEKLY TIMER is set according to the family’s life style. Using in these cases of WEEKLY TIMER An example of WEEKLY TIMER settings is shown below. Example: The same timer settings are made for the week from Monday through Friday while different timer settings are made for the weekend.
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To use WEEKLY TIMER operation • Make sure the day of the week and time are set. If not, set the day of the week and time. Page 9 Program 1 Program 2 Program 3 Program 4 [Monday] 77°F (25°C) 81°F (27°C) 6:00 8:30...
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WEEKLY TIMER Operation Press to select the desired time. • The time can be set between 0:00 and 23:50 in 10 minute intervals. • Press to return to the mode setting. • Go to STEP if “OFF” is selected at STEP Press •...
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Using copy mode • A reservation made once can be easily copied and the same settings used for another day of the week. Program 1 Program 2 Program 3 Program 4 [Monday] 77°F (25°C) 81°F (27°C) 6:00 8:30 17:30 22:00 COPY Program 1 Program 2...
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WEEKLY TIMER Operation Confi rming a reservation • The reservation can be confi rmed. Setting Displays Press • The day of the week and the reservation number of the current day will be displayed. Press to select the day of the week and the reservation number to be confi...
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To cancel WEEKLY TIMER operation Press to deactivate the WEEKLY operation. • The “ ” will disappear from the display. • The TIMER lamp goes off. • To reactivate the WEEKLY TIMER operation, press the again. Canceling individual reservations • This function can be used for canceling reservations for each day of the week.
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 Wipe them with dry soft cloth. Front panel Open the front panel. • Hold the panel by the tabs on the 2 sides and lift it unitl it stops with a click.
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Filters Open the front panel. Page 28 Pull out the air fi lters. • Push a little upwards the tab at the center of each air fi lter, then pull it down. Take off the Titanium Apatite Titanium Apatite Photocatalytic Air-Purifying Filter Photocatalytic Air-Purifying Filter.
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Care and Cleaning Air Filter Wash the air fi lters with water or clean them with vacuum cleaner. • If the dust does not come off easily, wash them with neutral detergent thinned with lukewarm water, then dry them up in the shade.
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NOTE • Operation with dirty fi lters: cannot deodorize the air. cannot clean the air. results in poor heating or cooling. may cause odour. • To order Titanium Apatite Photocatalytic Air-Purifying Filter contact to the service shop there you bought the air conditioner. •...
Trouble Shooting 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. • • When ON/OFF button was pressed soon after This is to protect the air conditioner.
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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 operate. Isn’t it a power failure? (OPERATION lamp is off.) • Are batteries set in the remote controller? •...
Trouble Shooting 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 fi re. Consult the service shop where you bought the air conditioner. Do not attempt to repair or modify the air conditioner by yourself.
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Fault diagnosis. FAULT DIAGNOSIS BY REMOTE CONTROLLER In the ARC452A series, the temperature display sections on the main unit indicate corresponding codes. When the TIMER CANCEL button is held down for 5 seconds, a “ ” indication fl ashes on the temperature display section. TIMER CANCEL button It cancels the timer setting.