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,, AC4074 only:The corresponding fan speed light in the fan speed indicator goes on.

Note: Select boost power if you need an extra strong airflow when the air in the room is very dirty. All three fan speed lights go on. 

Silent mode

When you use the appliance in silent mode, it operates very quietly.

1Press and hold the on/off button for 2 seconds to switch on the appliance.

2Press the SILENT button to activate the silent mode.

,, The SILENT light goes on.

If you want to go back to the FAN SPEED mode or AUTO mode, simply press the FAN SPEED or AUTO button.

Cleaning

Always unplug the appliance before you clean it.

Never immerse the appliance in water or any other liquid. 

Never use aggressive or flammable cleaning agents such as bleach or alcohol to clean any part of the appliance.

Only the pre-filter is washable.All other filters are NOT washable.

Body of the appliance

Regularly clean the inside and outside of the body to prevent dust from

collecting on the inside and outside.

1Wipe away dust with a soft dry cloth from the body of the appliance.

2Clean the air inlet and the air outlet with a soft dry cloth.

Pre-filter

The pre-filter is washable.

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Philips AC4074, AC4072 user manual Silent mode, Cleaning, Body of the appliance, Pre-filter

AC4074, AC4072 specifications

The Philips AC4074 is a cutting-edge air purifier designed to enhance indoor air quality in homes and offices. With its modern aesthetic and robust functionality, this device addresses common air pollutants, providing a healthier living environment.

One of the standout features of the Philips AC4074 is its advanced filtration system. It utilizes a multi-layered filter that includes a pre-filter, a HEPA filter, and activated carbon. The pre-filter effectively captures larger particles such as dust and hair, while the HEPA filter is capable of trapping 99.97% of particles as small as 0.3 microns. This includes harmful allergens like pollen, dust mites, and pet dander, making it ideal for allergy sufferers. The activated carbon layer works to eliminate odors and harmful gases, ensuring that the air is not only clean but also fresh.

The AC4074 incorporates Philips’ innovative VitaShield technology, which enhances its filtration capabilities. This technology senses the air quality in real-time, automatically adjusting the purification speed based on the level of pollutants detected. With its Smart Sensor, users can rest assured that the device will operate efficiently, providing purified air without any manual intervention.

In addition to its powerful purification features, the Philips AC4074 boasts a user-friendly interface. It features intuitive controls, allowing users to adjust settings with ease. The LED display provides real-time feedback on air quality, filter status, and operational mode.

Another notable characteristic of the AC4074 is its quiet operation. Designed for use in bedrooms and living spaces, the air purifier includes a sleep mode, which reduces noise levels for undisturbed rest. Its compact design allows it to fit seamlessly into any room, making it a practical choice for various living environments.

With energy efficiency in mind, the Philips AC4074 is also designed to operate without significantly increasing energy bills. The unit is compliant with various energy standards, ensuring that it provides environmental benefits without compromising on performance.

Overall, the Philips AC4074 represents a harmonious blend of technology, efficiency, and design, making it an excellent choice for anyone looking to improve their indoor air quality. With its powerful filtration system, smart sensing capabilities, user-friendly controls, and quiet operation, it stands out as a reliable air purifier that meets the needs of modern living.