Transport And Storage; Care And Service; Replacing The Filter - Kärcher AF 20 Bedienungsanleitung

3. To switch off the device: Press the On/Off switch of
the device.
The displays and buttons on the control panel go
out. The device is switched off.
Setting auto mode
In automatic mode, the air purifier sets the appropriate
fan level depending on the air quality.
In the event of poor air quality, for example, the fan level
is automatically set high.
Symbol for the auto mode operation button:
 Press the auto mode operation button. The auto-
matic mode is switched on or off.
Setting sleep mode
In sleep mode, the fan runs at the lowest speed and is
therefore very quiet. All light symbols are off.
● Press the sleep mode operation button. The sleep
mode is switched on or off.
Symbol for the sleep mode operation button:
Setting the fan level
Depending on the air quality, the fan level can be man-
ually set to level I, II or III. If the air quality is poor, for ex-
ample to filter out smoke, the blower should run at
maximum speed (level III) for 15 - 20 minutes.
Note
To clean the air effectively, keep windows and doors
closed while the air purifier is switched on.
Symbol for the fan level operation button:
● Press the fan level operation button repeatedly until
the desired level is reached.
The selected fan level is displayed on the control
panel.
Setting the timer
The timer can be set to 2, 4, 6 or 8 h run time. When the
set time has elapsed, the device switches off automati-
cally. The fan level can be changed at any time.
Symbol for the timer operation button:
 Switching on: Press the Timer operation button re-
peatedly until the desired run time is reached. The
display lights up. The set run time is displayed in the
control panel.
 Switching off: Press the Timer operation button until
the timer display goes out. Timer is off.
Lock / unlock control panel
To prevent accidental change of settings, e.g. by chil-
dren or pets, the control panel can be locked.
Symbol for the lock operation button and display for
control panel:
10
● Lock: Press the button for 3 seconds.
● Unlock: Press the lock button for 3 seconds.
Display PM 2.5 air quality
The display shows the concentration of fine dust (PM
2.5) numerically in the unit µg/m³. In addition, a colour
index provides information about the air quality:
PM 2.5
0 - 60
61 - 120
>120

Transport and storage

CAUTION
Failure to observe the weight
Risk of injury and damage
Be aware of the weight of the device during transport
and storage.
Store the device only in dry indoor rooms.

Care and service

DANGER
Danger of death from electric shock
Liquids can conduct electricity and thus cause serious
or fatal injuries.
Always disconnect the power supply unit from the sock-
et before cleaning and maintenance work.
Never immerse the device or the power supply unit in
water.
Never use wet cloths to clean the device or the power
supply unit.
1. Switch off the device.
2. Unplug the power supply unit from the socket.
3. Wipe the device with a soft, dry cloth. Do not use
abrasive or corrosive detergents.

Replacing the filter

The filter should be changed after 2500 - 3000 hours of
operation at the latest. If the device becomes louder, an
unpleasant smell emanates from the device (filter) or
the filter is visibly dirty, it should be changed at an earlier
stage. The symbol flashes in the display to remind you
of a required filter change.
Symbol for the operation button for filter reset:
Depending on the service life, the following number of
symbols is displayed:
Display for service life of filter (h)
2401 - 3000
1801 - 2400
1201 - 1800
601 - 1200
1 - 600
English
Air quality Colour
Good Blue
Moderate Yellow
Poor Red
Cleaning