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Support for your Dyson Purifier Cool Autoreact

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You can receive support that's tailored to you, exclusive owner benefits and more when you register your machine.

  • Getting started

    Watch how to quickly get up and running with our step-by-step video guide.

  • Dyson Purifier Cool purifier and filters

    Video Transcript

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How to use your purifier

Understanding the LCD screen icons

The icons on your LCD screen show which pollutants are present, reporting in real time. The icons also tell you about temperature, humidity and filter life.

  • Indoor Air Quality Index (AQI)

    Shows your air quality over the last 12 seconds, or over the last 24 hours. 

  • Particulate matter PM2.5

    Shows microscopic particles smaller than 2.5 microns, including smoke, bacteria and allergens.

  • Particulate matter PM10

    Shows particles smaller than 10 microns, including pollen, dust and pet dander.

  • Volatile Organic Compounds (VOCs)

    Shows gases released from a wide range of sources, such as aerosol sprays and air fresheners. They include benzene, household fumes and odors.

  • Nitrogen Dioxide (NO₂)

    Shows oxidizing gases such as NO₂, released by combustion. Includes cigarette smoke, car emissions, candles and gas stoves.

  • Filter life

    Shows how much filter life remains on the combination filter. So you know when to replace it.

Understanding pollutant levels

When a pollutant reduces your air quality, its icon appears on screen. In this case, PM10. The colored bar on the left indicates how much of the pollutant is present, and will continually update as the machine purifies your air.

  • Good

    When the green section of the colored bar is highlighted, your purifier is detecting a very low level of the type of pollutant.

  • Fair pollutant levels screen

    Fair

    When the yellow section of the colored bar is highlighted, your purifier is detecting a moderate level of the type of pollutant.

  • Poor pollutant levels screen

    Poor

    When the orange section of the colored bar is highlighted, your purifier is detecting a high level of the type of pollutant.

  • Very poor pollutant levels screen

    Very poor

    When the red section of the colored bar is highlighted, your purifier is detecting a very high level of the type of pollutant.

Using the remote control

  • Video - how to activate auto mode

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    Activate Auto mode

    Select Auto mode and your on-board sensors will intelligently adjust settings according to your air quality.

  • Video - how to set oscillation angle

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    Setting the oscillation angle

    Watch our video guide on how to customize the angle of oscillation for your machine. Choose from a range between 45° up to 350°.

  • Video - how to adjust the airflow

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    Adjusting the airflow

    Both the speed and direction of airflow can be adjusted. For powerful, personal cooling from the front, or diffused air diverted through the back of the machine.

  • Video - how to set sleep timer and night mode

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    Sleep timer and Night mode

    Set the Sleep timer to turn your purifier off, or use Night mode for the quietest settings and a dimmed screen.

  • Maintaining your purifier

    To ensure optimum air purification performance, we recommend replacing your HEPA+Carbon filter every 12 months.

  • Fitting the filter

    Video Transcript

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Frequently asked questions

Should I change the fan settings in different seasons?

Increasing airflow will create a cooling effect using purified air, so you may find it beneficial to change your purifier's speed settings as the temperature changes. For personal cooling, use settings 4-10. In colder periods, enable Backwards airflow mode. It projects air through the back of the machine, to avoid unwanted cooling.

Does the LCD display stay on throughout the night?

If you're concerned by the brightness of your purifier's LCD display, consider enabling Night-time mode using your remote control. During operation, a small moon icon indicates that your purifier is on, but the main display turns off after 10 seconds to help avoid sleep disturbance.

How do I know when my purifier is in Auto mode?

If auto mode is enabled, AUTO will be illuminated on your purifier's LCD display. When your machine is purifying the air, AUTO will be in white. When the air in the room is purified, it will turn green and your purifier will remain idle until pollutant levels rise.

How long should my purifier be turned on for?

Your purifier's auto mode is designed to manage the air quality in your home without you having to operate the machine – so it's only on when it needs to be. If you or someone in your home suffers from allergies or respiratory illnesses, we particularly recommend using your machine's auto mode.

Where should I place my purifier?

Your purifier is engineered to purify single rooms, so you should use it where you spend the majority of your time at home. When placing the machine, make sure there is at least a few feet of clearance on all sides so that the air can circulate effectively.

Should I keep my windows open or closed?

Your purifier works most efficiently in a sealed environment – opening the windows can allow more pollutants to enter the air in your home, which means your machine will take longer to work.

How often do the filters need to be changed?

The HEPA+Carbon filter needs to be changed after 12 months, based on 12 hours’ use a day.

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  • Machine Information

    Helpful tips to get the most out of your machine and keep it working at its best.

We don’t stop caring about our machines once they’re yours. Activating your warranty allows us to give you a tailored, complementary, direct service for your machine. Even after your warranty has ended, we’ll still be on hand to help.