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2Press the timer button to set the operating time (1, 4 or 8 hours) (Fig. 13).
The corresponding timer light goes on.
,To deactivate the timer function, press the timer button and keep it pressed until the timer light goes out.
,When the set time has elapsed, the appliance automatically switches to standby mode.
Note: If you want to stop the air cleaning process before the set time has elapsed, press the function selection button until the standby light goes on.
AC4062/AC4052
1Put the plug in the wall socket
2Press the on/off button to switch on the appliance. (Fig. 14)
3Set the speed slide to the desired speed: low, medium or high (Fig. 15).
-ê = low speed
-ë = medium speed
-í = high speed
,The corresponding speed light goes on.
4Press the on/off button to switch off the appliance and unplug the appliance.
Cleaning and maintenance
Always unplug the appliance before you clean it.
Do not let water or any other liquid or flammable detergent enter the appliance to avoid electric shock and/or a fire hazard.
Do not clean the appliance with water or any other liquid or a (flammable) detergent to avoid electric shock and/or a fire hazard.
Body of the appliance
Regularly clean the inside and outside of the body to prevent dust from collecting on the inside and outside.
1Wipe away dust with a dry, soft cloth from the body of the appliance.
2Clean the air inlet and the air outlet with a dry soft cloth.
Corona particle charger
Never touch the corona particle charger with your fingers.Always clean the corona particle charger with the special soft cleaning brush, which is stored in the front panel.
Be extra careful when you clean the corona particle charger: the wires are very fragile.
1Take the soft cleaning brush out of the front panel.
2Pass the brush gently along the top and bottom of the corona particle charger.
ESP particle filter and zeolite gas filter
1Remove the filters from the appliance (see chapter ‘Filter replacement’, section ‘Removing the filters’).
2Remove visible dirt with a vacuum cleaner.
1Clean the