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 appliances 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 threat to human health and the environment. However, these components are required for the correct operation of the appliance. Appliances 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.com/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 relevant sales company apply in all countries. We shall remedy possible malfunctions on your appliance 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.

(See overleaf for the address)

For the illustrations, refer to the graphics page.

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1. Operation button for Device On / Off
2. Operation button for Function lock
3. Display PM 2.5 Air quality index
4. Operation button for Switch off display
5. Display for fan level
6. Operation button for Auto mode On / Off
7. Fan level operation button
8. Operation button for Sleep mode On / Off
9. Timer display
10. Operation button for Timer
11. Filter service life display
12. Operation button for Filter reset
13. Air quality display and device display
14. Filter cover lock
15. Filter cover
16. Filter tab
17. filter
18. Connection for power supply unit
19. Device sensor
20. AC power adapter

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. Turn the device over, and turn the filter cover lock 45 degrees clockwise.

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2. Remove the filter cover.

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3. Remove the packed filters.

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4. Unpack the filters.

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5. Insert the unpacked filters. Ensure that the draw shackles are visible and point inwards.

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6. Put on the filter cover and turn the lock 45 degrees anticlockwise. Turn the device over with the display facing upwards.

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7. Place the device on a level surface. Ensure that a distance of 30 cm is maintained to each side.

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   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. Insert the plug of the power supply unit into the device and insert the mains plug into the 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

   • Sleep mode

   • Timer

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.

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 automatic mode is switched on or off.

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:

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

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.

The timer can be set to 2, 4, 6 or 8 h run time. When the set time has elapsed, the device switches off automatically. The fan level can be changed at any time.

Symbol for the timer operation button:

• Switching on: Press the Timer operation button repeatedly 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.

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 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.

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 

• 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 clogged

Remedy:

• Changing the filter, see chapter (→).

Cause:

Filter not unpacked

Remedy:

• Unpacking the filter, see chapter Inserting the filter.

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 Inserting the filter.

Cause:

Filter clogged or contaminated.

Remedy:

• Changing the filter, see chapter (→).

We hereby declare that the machine described below complies with the relevant basic safety and health requirements in the EU Directives, both in its basic design and construction as well as in the version placed in circulation by us. This declaration is invalidated by any changes made to the machine that are not approved by us.

Product: Air purifier

Type: 1.351-xxx

2014/35/EU

2014/30/EU

2011/65/EU

EN 60335-1

EN 60335-2-65

EN 55014-1: 2017 + A11: 2020

EN 55014-2: 2015

EN 61000-3-2: 2014

EN 61000-3-3: 2013

EN 62233: 2008

EN IEC 63000: 2018

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The signatories act on behalf of and with the authority of the company management.

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Documentation supervisor:

S. Reiser

Alfred Kärcher SE & Co. KG

Alfred-Kärcher-Str. 28 - 40

71364 Winnenden (Germany)

Ph.: +49 7195 14-0

Fax: +49 7195 14-2212

Winnenden, /04/01