About your Dyson Find+Follow™ Purifier Cool PC3 purifier
Here you can find helpful tips, video tutorials, maintenance advice, your user guide and more.
Take control of your purifier with our app
Download the MyDyson™ app to control your purifier’s Find+Follow™ air projection from your phone or tablet. Register for fast access to tailored guides, 24/7 support, and filter replacement reminders.
Alternatively, you can register online here.
User manual
Download the user manual for your Dyson Find+Follow™ Purifier Cool PC3 air purifier.
3.8 MB
Using your new purifying fan
Watch the video below to get started with your machine and experience cooling purified air directed towards you, even when you move.
Our app’s helpful features
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Set and forgetAdjust airflow, switch modes, or power off with your voice.7
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Convenient controlRemotely control Find+Follow™ air projection and other settings.
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Air quality reportThe MyDyson™ app accurately tracks the air quality in your home. For informed purification.
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Filter statusAutomatic filter-life notifications on the LCD screen. So you know when it needs replacing.
Controlling your purifier with the remote
Use the remote to control features like Airflow speed, Sleep timer, Auto mode and more.
Understanding your machine’s Find+Follow™ air projection
Your purifier’s LCD screen shows its Find+Follow™ projection status, alongside current modes and settings.
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Find+Follow™ air projectionShows that the 17-point AI vision system for user detection is active.
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Find+Follow™ air projection disabledShows that the 17-point AI vision system is not active.
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People scanningShows that your machine is scanning for other people in the room.
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Understanding pollutants
When a pollutant reduces your air quality, its icon appears on screen. When a pollutant is detected, the coloured bar on the left indicates how much of it is present, and continually updates as the machine purifies your air.
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GoodWhen the green section of the coloured bar is highlighted, your purifier is detecting a very low level of the type of pollutant.
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FairWhen the yellow section of the coloured bar is highlighted, your purifier is detecting a moderate level of the type of pollutant.
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PoorWhen the orange section of the coloured bar is highlighted, your purifier is detecting a high level of the type of pollutant.
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Very poorWhen the red section of the coloured bar is highlighted, your purifier is detecting a very high level of the type of pollutant.
Auto mode
The on-board sensors will intelligently adjust the settings of the machine according to the air quality.
What your purifier is capturing
Your machine’s LCD screen highlights the different particles and gases it captures.
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PM2.5 levelShows microscopic particles smaller than 2.5 microns – including smoke, bacteria and allergens.
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PM10 levelShows particles smaller than 10 microns – including dust, mould and pollen.
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NO2 levelShows oxidising gases such as NO2 – includes cigarette smoke, car emissions, candles and gas stoves.
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Formaldehyde levelShows the machine’s electrochemical cell is precisely detecting formaldehyde, which it does for the lifetime of the device.
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Volatile Organic Compounds levelShows gases released from sources such as aerosol sprays and air fresheners. They include benzene, household fumes and odours.
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Replacing your filter
Watch the video below to learn how to replace your filter. Alternatively, follow the instructions in your machine’s user manual. Always unplug the machine before changing filters.
When to replace your filter
To ensure optimum air purification performance, we recommend replacing your HEPA+K-Carbon filter every 12 months. Your Catalytic filter never needs replacing.
Frequently asked questions
When Find+Follow™ air projection is turned on the AI vision system will detect presence within the room. Once presence has been detected the machine will direct cooling purified air towards you.
If you move within the room, Find+Follow™ air projection will automatically adjust the direction of airflow. Projecting purified air directly at you as your location changes.
The machine will continually detect the location of people within the room. If multiple users are in the room, Find+Follow™ air projection will adjust its oscillation field to efficiently project purified air.
The gas sensor is very sensitive and can sometimes become contaminated by strong solvents. The sensor will recover naturally over a couple of days. If a user wants to immediately reset the sensor, they can remove power to the machine at the plug for 30 seconds and then reapply power. This will cause the sensor to perform a short recalibration.
The first time a new machine is turned on, the gas sensors need to acclimatise. This usually takes two minutes, after which they will be fully functional. During the acclimatisation process the machine will continue to purify.
Dyson purifiers are optimal when left switched on in ’Auto mode’. This allows the purifier to constantly monitor your air quality, and automatically sense and capture pollutants. It adjusts the airflow speed, only purifying when needed.
The machine can switch the direction of the airflow depending on a user’s needs. It has forward-facing ‘Fan mode’, or ‘Diffused mode’. If the user desires purification without being cooled, purified air can be directed out the back of the machine. Users can continue to enjoy the benefits of purification when they don’t require the cooling airflow.
1 Fan; not air conditioning unit.
2 In maximum setting. Tested for air projection (DTM801) and purification coverage in a 81m3 room (TM-003771).
3 Tested for filtration efficiency at 0.1 microns (EN1822, ISO29463).
4 Tested to JEM 1467 (acetic acid, acetaldehyde, ammonia), GB/T18801 (formaldehyde, benzene) and DTM-003282 (NO2). Capture rates vary.
5 Tested to Dyson test method TM-003387. In a 3 cubic meter test chamber, at fan speed 10, at third-party test laboratory (Fraunhofer WKI), comparison against regular activated carbon performance.
6 Third party full machine testing based on GB/T 18801-2015 formaldehyde cumulative clean mass testing with continuous injection until plateau of formaldehyde CADR is achieved. Results may vary in practice.
7 Requires device to run app, Wi-Fi or mobile data, Bluetooth 4.0 support, and iOS version 10 or Android version 5 (or above). Standard data and messaging rates may apply. Refer to the MyDyson app for compatible voice services.
8 50% quieter compared to max fan speed.
9 Particle challenge by DEHS oil specified in EN1822 within a chamber specified in ASTM F3150. Tested in Max Mode at IBR US, for whole machine efficiency above 99.95%.
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Owner support
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