Read these original instructions and the safety instructions chapter before using the device for the first time. Act in accordance with them.

Keep these original instructions for future reference or for future owners.

In accordance with the descriptions and safety instructions listed in these operating instructions, use the device only as an air purifier.

• The device is intended for use as an air purifier.

• The device is suitable for both private and commercial use.

• The device is intended only for indoor use.

The packing materials can be recycled. Please dispose of packaging in accordance with the environmental regulations.

Electrical and electronic devices contain valuable, recyclable materials and often components such as batteries, rechargeable batteries or oil, which - if handled or disposed of incorrectly - can pose a potential danger to human health and the environment. However, these components are required for the correct operation of the device. Devices marked by this symbol are not allowed to be disposed of together with the household rubbish.

Current information on content materials can be found at: www.kaercher.de/REACH

Only use original accessories and original spare parts. They ensure that the appliance will run fault-free and safely.

Information on accessories and spare parts can be found at www.kaercher.com.

The scope of delivery for the appliance is shown on the packaging. Check the contents for completeness when unpacking. If any accessories are missing or in the event of any shipping damage, please notify your dealer.

The warranty conditions issued by our sales company responsible apply in all countries. We shall remedy possible malfunctions on your device within the warranty period free of cost, provided that a material or manufacturing defect is the cause. In a warranty case, please contact your dealer (with the purchase receipt) or the next authorised customer service site.

You can find more detailed information at: www.kaercher.com/dealersearch

For the illustrations, refer to the graphics page.

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1. Operation buttons
2. Display field
3. Operation button for Device On / Off
4. Fan level operation button
5. Operation button/indicator for Auto mode On / Off
6. Operation button ECO mode On / Off
7. Operation button/indicator for Sleep mode On / Off
8. Operation button/indicator Function lock
9. Operation button/indicator Timer
10. Operation button for Filter reset
11. Indicator for temperature in °C
12. Indicator for time-controlled status start-up/shut-down
13. Indicator for fan level
14. Indicator for PM 2.5 index air quality (numerical / colour display)
15. Indicator for relative humidity
16. Filter service life display
17. Air quality sensor
18. Connection Power supply unit AF 30
19. Connecting cable AF50
20. Steering rollers AF50 (4x)
21. Filter cover
22. filter
23. Power adapter AF30

Note

The function settings are only possible via the operation buttons and not via the displays.

Before initial start up, the fine filters already installed in the unit must be unpacked.

1. Open the two filter covers on the recessed grip and remove them with both hands.

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2. Remove the packed filters from the casing using the tabs.

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3. Unpack the filters.

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4. Insert the unpacked filters.

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5. Insert the filter cover firmly with both hands.

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6. Place the device on a level surface. Ensure that a distance of 0.30 m is maintained to each side.

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7. Make sure that the air intake and air outlet openings are not blocked.

   Note

   Do not place the device on hot surfaces or in the immediate vicinity of the room heating.

   Do not allow any liquids or foreign bodies (e.g. metallic objects) to enter the device.

8. AF 30: Insert the unit plug of the power supply unit into the device.

   Plug the mains plug of the power supply unit into a socket.

   AF 50: Plug the mains plug of the device into a mains socket.

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The device is ready for operation.

1. To switch on the device: Press the on/off button on the device.

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   The device starts automatically.

   Note

   After the system is switched on, the displays and buttons on the control panel light up briefly. The integrated air quality sensor measures the air quality in the room automatically.

2. If required, the following functions, for example, can be set via the operation buttons:

   • Fan level

   • Auto mode

   • ECO mode

   • Sleep mode

   • Lock control panel

   • Timer

   • Filter reset

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.

Depending on the air quality, the fan level can be manually set to level 1, 2, 3, 4 or 5. If the air quality is poor, for example to filter out smoke, the blower should run at maximum speed (level 5) for 15 - 20 minutes.

Symbol Operation button for the fan level:

• Press the fan level operation button repeatedly until the desired level is reached.

  The selected fan level is displayed on the control panel.

In auto mode, the air purifier sets the appropriate fan level (level 1, 2, 3, 4, 5) depending on the air quality.

In the event of poor air quality, for example, the fan level is automatically set high.

Symbol Operation button and indicator for auto mode:

• Press the Auto mode operation button. The automatic mode is switched on or off.

Switch power saving mode on / off

Symbol Operation button and indicator for ECO / power saving mode

The device is in working mode:

• Press the ECO mode operation button.

  The device switches to power saving mode and the display is switched off.

The device is in power saving mode:

• Press the ECO mode operation button.

  The device switches to working mode, the display lights up.

In sleep mode, the fan runs at the lowest speed and is therefore very quiet.

• Press the sleep mode operation button. The sleep mode is switched on or off.

Symbol Operation button and indicator for sleep mode:

To prevent accidental change of settings, e.g. by children or pets, the control panel can be locked.

Symbol for the lock operation button and display for control panel:

• Lock: Press the button for 3 seconds.

• Unlock: Press the lock button for 3 seconds.

The timer can be set to the desired run time (max. 12 h). When the set time has elapsed, the device switches off automatically. The blower speed can be changed at any time.

Symbol Operation button and indicator for timer:

• Switching on: Press the Timer operation button repeatedly until the desired run time is reached. The set run time is displayed in the display.

• Switching off: Press the timer operation button until the display shows "0".

  If set to "0", the timer function is cancelled.

After the filter lifespan has expired, the filters must be changed. For more information, see chapterReplacing the filter

Symbol Operation button for filter reset:

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:

Store the device only in dry indoor rooms.

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.

The filter should be changed after 2500 - 3000 hours of operation at the latest. If the device gets louder, an unpleasant smell emanates from the device (filter) or the filter is visibly dirty, also earlier. If the filter service life is less than 150 hours, the symbol flashes in the display (flashing frequency 2x/second) to remind you to change the filter.

Depending on the service life, the following number of symbols is displayed:

Display for service life of filter (h)
2501 - 3000
2001 - 2500
1501 - 2000
1001 - 1500
501 - 1000
1 - 500

1. Switch off the device, and disconnect the power supply unit or mains plug from the socket and device.

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2. Open the two filter covers on the recessed grip and remove them with both hands.

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3. Remove the filters from the casing using the tabs.

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4. Unpack the new filters.

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5. Insert the unpacked filters.

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6. Insert the filter covers.

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7. Connect the power supply unit to the device and socket.

8. Switch the device on.

   1. To reset the filter (Reset), press the symbol for 3 seconds.

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Malfunctions often have simple causes that you can remedy yourself using the following overview. When in doubt, or in the case of malfunctions not mentioned here, please contact your authorised Customer Service.

• The device cannot be switched on 

• Display flashes and device does not start 

• Airflow is reduced 

• Odour elimination ineffective 

• Poor air quality 

Cause:

No electrical voltage present

Remedy:

• Check the socket and the power supply fuse.

• Insert the plug of the power supply unit into another socket.

Cause:

Power supply unit defective

Remedy:

• Contact Customer Service to replace the power supply unit.

Cause:

Device defective

Remedy:

• Contact Customer Service.

Cause:

Filter cover not inserted correctly

Remedy:

• Insert the filter cover correctly, making sure that the filters are seated correctly.

Cause:

Filter clogged

Remedy:

• Changing the filter, see chapter Replacing the filter.

Cause:

Filter not unpacked

Remedy:

• Unpacking the filter, see chapter Initial Start-Up.

Cause:

Fan level too low

Remedy:

• Increasing the fan level, see chapter Setting the fan level.

Cause:

Air outlet is blocked

Remedy:

• Remove foreign bodies.

Cause:

Poor ambient air quality

Remedy:

• Open windows to improve ventilation.

Cause:

Filter used up or used too long

Remedy:

• Replace the filter.

Cause:

Fan level too low

Remedy:

• Increasing the fan level, see chapter Setting the fan level.

Cause:

Fan level too low

Remedy:

• Increasing the fan level, see chapter Setting the fan level.

Cause:

Draught

Remedy:

• Close the windows and doors while the device is working.

Cause:

AF 20: Room size clearly above 20 m²

Remedy:

• Observe the maximum room size.

Cause:

AF 30: Room size clearly above 30 m²

Remedy:

• Observe the maximum room size.

Cause:

AF 50: Room size clearly above 50 m²

Remedy:

• Observe the maximum room size.

Cause:

Air slots on the device blocked

Remedy:

• Keep the required distances from the device.

• Do not place anything on the device.

Cause:

Filter not unpacked

Remedy:

• Unpacking the filter, see chapter Initial Start-Up.

Cause:

Filter clogged or contaminated.

Remedy:

• Changing the filter, see chapter Replacing the filter.

• AF 30 

• AF 50