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2To remove the pre-filter, grab the two projections and pull the filter towards you.

3Wash the pre-filter under a running tap. If the pre-filter is very dirty, use a soft brush to brush away the dust.

Tip: Alternatively, you can clean the pre-filter by removing the dust with a vacuum cleaner.

4Air-dry the pre-filter.

Note: Make sure that the pre-filter is completely dry. If it is still wet, bacteria may multiply in it and shorten the lifetime of the pre-filter.  

5Put the pre-filter back into the appliance.Attach all hooks properly to the appliance.

Note: Make sure that the side with the two projections is pointing towards you.

6To reattach the front panel, insert the bottom hooks into the bottom of the appliance first (1).Then push the panel against the body of the appliance (2).

Air quality sensor

Clean the air quality sensor every 2 months for optimal functioning of the appliance. Clean it more frequently if you use the appliance in a dusty

environment.

Note:When the humidity level in the room is very high, it is possible that condensation develops on the air quality sensor. As a result, the AIR QUALITY light on the control panel and the air quality light ring may indicate that the air quality is bad even though the air quality is good. In this case you have to clean the air quality sensor or use one of the manual speed settings.

1Clean the air quality sensor inlet and the air quality sensor outlet with a soft brush.

2Remove the air quality sensor cover.

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Philips AC4076 user manual Air quality sensor
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AC4076 specifications

The Philips AC4076 is a cutting-edge air purifier designed to enhance indoor air quality, catering to a variety of spaces such as homes, offices, and classrooms. Its sleek design is complemented by an array of powerful features that ensure it effectively filters out harmful pollutants and allergens from the air.

One of the standout characteristics of the Philips AC4076 is its advanced filtration system, which includes a multi-layer filtration process. The device is equipped with a HEPA filter that is capable of capturing up to 99.97% of microscopic allergens as small as 0.3 microns. This includes dust mites, pet dander, and pollen, making it an ideal choice for allergy sufferers. Additionally, the activated carbon filter effectively removes odors, smoke, and harmful volatile organic compounds (VOCs).

Moreover, the AC4076 is powered by Philips' innovative VitaShield technology, which enhances the air purification process by intelligently sensing the air quality. The device's built-in air quality sensor continuously monitors indoor air and automatically adjusts the purification power based on the detected air pollution level, ensuring optimal performance at all times.

The clean air delivery rate (CADR) of the Philips AC4076 is impressive, providing swift and efficient air purification across medium to large rooms. With a CADR rating for smoke, dust, and pollen, this model ensures that you breathe clean air quickly, creating a healthier living environment.

For user convenience, the Philips AC4076 is very user-friendly, featuring an easy-to-navigate control panel and an intuitive LED display that indicates the current air quality level. It also operates quietly, making it suitable for use in bedrooms, as it won't disturb your sleep while providing a continuous supply of fresh air.

Another highlight is the device's energy efficiency. The Philips AC4076 is designed to consume less energy, which not only reduces electricity bills but also contributes positively to environmental sustainability.

With its combination of advanced features, effective air purification technologies, and user-friendly operation, the Philips AC4076 stands out as a reliable solution for maintaining optimal indoor air quality, promoting overall health and well-being for you and your loved ones.
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