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-- Press and hold the reset button for filter 3/4 for 2 seconds if you have replaced filter 3 (activated carbon filter) and 4 (HEPA filter).

,, You hear a beep and the appliance starts operating in the auto mode again.

Accessories

New filters are available under the following type numbers:

Filter

Type number

 

 

Filter 2: multi-care filter

AC4121

Filter 3: activated carbon filter

AC4123

Filter 4: HEPA filter

AC4124

AC4002 only: adding the multi-care filter

AC4002 comes with the pre-filter, activated carbon filter and the HEPA filter. For this appliance, only the filter cleaning light of filter 1 (pre-filter) and the filter replacement light of filter 3 and 4 (activated carbon filter and HEPA filter) have been activated.

If you want to enjoy the benefits of the multi-care filter, you can purchase this filter separately (see the table above). In combination with the HEPA filter, the multi-care filter filters out dust, pollen and ultrafine particles

larger than 20 nanometres, including bacteria and some viruses. According to publications of the World Health Organization, the avian and human

influenza viruses and Legionella bacterium are larger than 20 nanometres. After installing the multi-care filter, you have to activate the filter replacement indication of filter 2 in the following way:

1Simultaneously press and hold the reset button for filter 1 (pre-filter)

and the reset button for filter 2 (multi-care filter) for 2 seconds.

-- To deactivate the filter replacement indication of filter 2,  simultaneously press and hold the reset button for filter 1 (pre-filter) and the reset button for filter 2 (multi-care filter) for 2 seconds.

Note:To check whether the filter replacement indication of the multi-care filter is active or not, press the reset button for filter 2. If the filter replacement light of filter 2 goes on for a few seconds, the filter replacement indication of the multi-care filter is active. If the filter replacement light of filter 2 does not go on, the filter replacement indication is not active.

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Philips manual Accessories, AC4002 only adding the multi-care filter
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AC4002 specifications

The Philips AC4002 and AC4004 air purifiers are designed to enhance indoor air quality, catering to a range of environments, including homes and offices. Both models are equipped with advanced technologies that ensure effective air purification, making them ideal for individuals concerned about allergens, pollutants, and overall air hygiene.

The Philips AC4002 features a 3-layer filtration system, combining a pre-filter, a HEPA filter, and an activated carbon filter. This multi-layer approach is engineered to capture up to 99.97% of airborne particles as small as 0.3 microns, which includes common allergens like dust mites, pollen, and pet dander. The activated carbon filter excels in reducing odors and harmful volatile organic compounds (VOCs), ensuring that the air remains fresh and pleasant.

Similarly, the AC4004 also incorporates a robust filtration mechanism. Furthermore, the AC4004 model is equipped with additional smart features, such as improved air quality sensors. These sensors continuously monitor the air quality and automatically adjust the fan speed according to the detected level of pollutants. This not only ensures efficient purification but also optimizes energy consumption, making the device eco-friendly.

Both models boast a sleek, modern design that seamlessly fits into various room styles. Their compact size allows for versatile placement, whether on a table, shelf, or floor. The intuitive user interface is designed for convenience, featuring easily accessible controls and a digital display that provides real-time information on air quality status.

Moreover, the noise levels of the Philips AC4002 and AC4004 are impressively low, meaning they can operate quietly in bedrooms or living spaces without causing disruptions. This is particularly important for users who prioritize peaceful environments for sleep or work.

In addition to their main features, the longevity is enhanced by filter replacement indicators, which alert users when it’s time to change the filters, ensuring optimal performance. With their combination of high-efficiency filtration, smart air quality monitoring, and user-friendly design, the Philips AC4002 and AC4004 air purifiers stand out as reliable options for anyone seeking to improve their indoor air quality.
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