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Feature For your comfort and energy For your comfort and energy saving saving ECONO This function enables effi cient operation by limiting the maximum power consumption. It is useful when using the air conditioner and other electrical devices simultaneously. Page 16...
Contents Read before Operatio n Safety Precautions ......... Name of Parts ..........Preparation before Operation ......Operatio n AUTO · DRY · COOL · HEAT · FAN Operation ........... Adjusting the Airfl ow Rate ....POWERFUL Operation ...... OUTDOOR UNIT QUIET Operation ...........
• Do not attempt to repair, dismantle, reinstall or modify the air conditioner yourself as this may result in water leakage, electric shocks or fi re hazards. For repairs and reinstallation, consult your Daikin dealer for advice and information. •...
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CAUTION • Do not place objects that are susceptible to moisture directly beneath the indoor or outdoor units. Under certain conditions, condensation on the main unit or refrigerant pipes, air fi lter dirt or drain blockage may cause dripping, resulting in fouling or failure of the object concerned. •...
Name of Parts Indoor Unit Air outlet Air outlet grille (fi eld supply) • Appearance of the air outlet grille and air inlet grille may differ from some models. Air inlet Suction grille (option) • Appearance of the suction grille and air inlet grille may differ from some models.
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Outdoor Unit • Appearance of the outdoor unit may differ from some models. Air inlet Outdoor temperature sensor (back) (back and side) Drain hose Earth terminal • It is inside of this cover. Air outlet Model name plate Refrigerant piping and inter-unit wiring...
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Name of Parts Remote Controller Signal transmitter Display (LCD) • It displays the current settings. (In this illustration, each section is shown with all its displays on for the purpose of explanation.) Receiver ON/OFF button • To use the remote controller, aim the transmitter at the indoor unit.
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Open the front cover MODE selector button • It selects the operation mode. (AUTO/DRY/COOL/HEAT/FAN) Page 11 FAN setting button • It selects the airfl ow rate setting. Page 13 QUIET button • OUTDOOR UNIT QUIET operation. Page 15 TIMER CANCEL button •...
Preparation before Operation To set the batteries Position Slide the front cover to take it off. – correctly! Set two dry batteries AAA.LR03 (alkaline). Set the front cover as before. To fi x the remote controller holder on the wall Choose a place from where the signals Remote controller reach the unit.
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To set the clock Press “ ” is displayed. “ ” blinks. Press to set the clock to the present time. Press “ ” blinks.
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 an operation mode.
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To change the temperature setting Press • The displayed items on the LCD will change whenever either one of the buttons is pressed. COOL operation HEAT operation AUTO operation DRY or FAN operation 18-32°C 10-30°C 18-30°C The temperature setting is Press to raise the temperature and press to lower the...
Adjusting the Airfl ow Rate To adjust the airfl ow rate setting Press • Each pressing of advances the airfl ow rate setting in sequence. Auto Indoor unit quiet Middle low High Middle high Middle • When the airfl ow is set to “ ”, indoor unit quiet operation will start and the noise from the unit will become quieter.
POWERFUL Operation POWERFUL operation quickly maximises 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 the 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.
OFF 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.
ON TIMER Operation To use ON TIMER operation • Check that the clock is correct. If not, set the clock to the present time. Page 10 Press • “ ” disappears from the LCD. “ ” is displayed on the LCD. “...
Note for Multi System Multi system has one outdoor unit connected to multiple indoor units. Selecting the operation mode With the priority room setting present but A room B room inactive or not present. When more than one indoor unit is operating, priority is given to the fi...
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COOL / HEAT mode lock The COOL / HEAT mode lock requires initial programming during installation. Please consult your authorized dealer for assistance. The COOL / HEAT mode lock sets the unit forcibly to either COOL or HEAT operation. This function is convenient when you wish to set all indoor units connected to the multi system to the same operation mode.
Care and Cleaning • Only a qualifi ed service person is allowed to perform maintenance. CAUTION • Before cleaning, be sure to stop the operation and turn the breaker off. Air fi lter Removing the air fi lter. • Rear suction Pull the bottom side of the air fi...
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Do not use water or air of 50°C or higher for cleaning air fi lters and outside panels. • Ask your DAIKIN dealer how to clean it. Check the units Check that the base, stand and other fi ttings of the outdoor unit are not decayed or corroded.
Troubleshooting These cases are not troubles. • The following cases are not air conditioner troubles but have some reasons. You may just continue using it. Indoor unit The HEAT operation stops suddenly A sound is heard. and a fl owing sound is heard. A sound like a fl...
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• Troubleshooting measures are classifi ed into the following two types on a remedial basis. Take an appropriate measure according to the symptom. Not trouble • These cases are not troubles. You may just continue using it. Check • Please check again before calling a repair person. The air conditioner does not operate.
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Troubleshooting Cooling (h eating) effect is poor. The outdoor fan rotates while the air conditioner is not in operation. • Are the air fi lters clean? • Is there anything to block the air inlet or the outlet of After operation is stopped the indoor and the outdoor units? •...
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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 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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Troubleshooting Fault diagnosis by remote controller • In the ARC433A series, the temperature display sections on the main unit indicate corresponding codes. When is held down for 5 seconds, a “ ” indication fl ashes on the temperature display section. Press repeatedly until a continuous beep is produced.