Do you have a question about the 400 Series and is the answer not in the manual?
Questions and answers
Peter Glaubitz
February 26, 2025
which direction does the air flow?
Where should the arrow point on the filter toward the air intake or toward the internal part of the unit?
1 comments:
Mr. Anderson
May 14, 2025
The correct airflow direction for the Blueair 400 Series filter is with the foamy side facing to the right and the wavy side to the left when inserting the filter. This means the arrow on the filter should point toward the internal part of the unit, not the air intake.
English Welcome Thank you for choosing Blueair. Before you start using your Blueair air purifier, take a few minutes to become familiar with the basics. Filter replacement Be sure to change your Blueair filter according to the recommended filter replacement schedule. This helps keep your Blueair air purifier running in top condition.
Getting started General safety instructions The Blueair 400 Series air purifier is an electrical appliance. Please read the safety instructions before use and take the necessary precautions to reduce the risk of fire, electric shock or injury. The Blueair Limited Warranty applies only if the unit is used according to these instructions.
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After a few minutes, adjust the control to the desired speed. Minimum speed is generally recommended for nighttime use. * For Blueair E Series settings, please refer to the separate sheet provided with your unit. Blueair...
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This may cause electric shock or damage the unit. Do not try to repair or adjust any of the electrical or mechanical functions • on your Blueair unit yourself. Contact your local dealer or Blueair for warranty information. How it works...
Getting the most from your Blueair system The Blueair system is easy to use. Make sure your unit is the right size for your room, and change the filter according to the recommended filter re- placement schedule. Remember that, just as air conditioners and heaters have limits to the volume of air they can cool or heat, every air purification system has limits to the volume of air it can clean.
Slide out the old filter. the door. Step 3 Step 4 Using a soft brush attachment, Slide in the new Blueair filter. vacuum the inside chamber. Step 5 Close the door and plug in your unit. Ready for use! Blueair...
(6) months. We offer a convenient Filter Subscription Program in some countries. Contact your local dealer or Blueair to find out whether the program is available to you. IMPORTANT! Use only genuine Blueair filters to ensure proper function of your unit and to qualify for full warranty coverage.
Need help?
Do you have a question about the 400 Series and is the answer not in the manual?
Questions and answers
which direction does the air flow? Where should the arrow point on the filter toward the air intake or toward the internal part of the unit?
The correct airflow direction for the Blueair 400 Series filter is with the foamy side facing to the right and the wavy side to the left when inserting the filter. This means the arrow on the filter should point toward the internal part of the unit, not the air intake.
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