Assembling your machine
Use both hands to lift your machine out of the box, by its base.
Do not lift out by the loop amplifier.
Assemble your machine with the filters that are supplied.
Dyson Purifier Cool PC2 De-NOx
Your machine comes with a permanent catalytic filter and a HEPA+K-Carbon filter.
Push the catalytic filter into position on the machine.
Push firmly until both outer covers click into place.
The air purifier fan with the filter covers open showing a HEPA plus K-carbon filter located in the filter covers and a catalytic filter. Arrows demonstrate that the catalytic filter is fitted directly to the base of the machine and the filter covers will need to be assembled onto the base of the machine.
Push the HEPA ^ { + } K-Carbon filter into the outer cover and position on the base.

Getting started
The layout of the remote control with two columns of buttons. On the top lefthand side is the standby button, then going downwards, the Airflow speed toggle up and down button, and the Oscillation button at the bottom. On the top right-hand side is the Information menu button, then going downwards, the Auto mode button, the Airflow direction button and the Night mode button at the bottom.
Place the remote control on top of the machine with the buttons facing down.
Plug in and switch on.


An image of the air purifier fan with the remote placed on the top of the loop amplifier and the location of the standby on/off button on the top of the base of the machine.
Connecting to the MyDyson™ app
Take full control with the MyDyson™app and access step-by-step setup and support, control how and when your Dyson purifier operates, monitor air quality with visual updates and automatically keep up to date with the latest software updates.
Download the MyDyson™app from the App Store or Google Play.
Open the app and follow the on-screen instructions to create a new account.
Using Amazon Alexa
Ask Alexa to enable the Dyson skill, to control your Dyson purifier or purifier humidifier. And set a routine that automates how your machine works with other devices in your home.
Using Google Assistant
Control all of your connected purifiers with Google or set a routine to automate how your machine works with other devices in your home. Just say “Hey Google” to get started.
Using Siri
Connect your Dyson machines to Siri Shortcuts and you’ll be able to control them with your voice, on your Apple device.
Standby on/off
Press the Standby on/off button on your Dyson purifier or remote control to stop your machine. It will continue to monitor the air quality.
Continuous monitoring
Continuous monitoring is turned off by default. Once turned on, it will always be active until you turn it off again.
With continuous monitoring turned on, your Dyson purifier will gather air quality, temperature and humidity information, which is displayed on the LCD screen and in the MyDyson™app.
Press and hold the Auto mode button on the remote control for five seconds to turn it on. The LCD screen will indicate when continuous monitoring is on or off.
Wi-Fi Connectivity
Wi-Fi is on by default. To turn the Wi-Fi on or off, press and hold the Standby on/off button on your machine for five seconds.
Indoor air quality – 12 seconds
Monitor the current air quality with a graph showing the last 12 seconds of data.

Particulate matter (PM2.5)
Microscopic particles up to 2.5 microns in size, suspended in the air we breathe. These include smoke, and allergens.

Particulate matter (PM10)
Larger microscopic particles up to 10 microns in size, suspended in the air we breathe. These include dust, and pollen.

Volatile organic compounds
VOCs are typically odours that may be potentially harmful. These can be found in cleaning products, paints and furnishings.

Nitrogen dioxide and other oxidising gases These potentially harmful gases are released into the air by combustion, for example, the burning gas when cooking and in vehicle exhaust emissions.

Indoor temperature
Monitor the ambient temperature to help maintain a comfortable environment.
Indoor humidity
The amount of water vapor in the air, shown as a percentage.
Filters
The remaining filter life is shown on the LCD screen and will indicate when your filters need replacing.

Formaldehyde (HCHO)
A common indoor pollutant. It can be released for many years from furnishings, floorings and glue.

Wi-Fi
The current status of connection to the Wi-Fi network.

Auto mode
Set your Dyson purifying fan to Auto mode and the on-board sensors will intelligently adjust the settings of the machine according to the air quality.
Air quality: your machine will pause when the target air quality has been reached, switching on again when the air quality levels drop.
Airflow speed: the airflow speed will increase until the target air quality and temperature have been reached.
Airflow speed and direction
The remote control with the Auto mode button below the Information button on the right.
Press the Airflow speed button to increase and decrease the airflow speed.
Press the Airflow direction button to change the direction of airflow from front to back.
Change the airflow direction for your personal comfort.
Select the Airflow direction to Fan mode for airflow from the front for purifying and cooling.
The remote control with the Airflow speed toggle button on the left hand side, in the middle. The Airflow direction button is on the right below the Auto mode button.
Oscillation
Press the Oscillation button to circulate the air around the room and scroll through the oscillation settings from 0° to 350° .
Customise your oscillation setting in the MyDyson™app.
Night mode and Sleep timer
The remote control with the oscillation button on the bottom left.
In Night mode, your Dyson purifier will continue to monitor and respond to changes in air quality, but only using its quietest settings – and with its LCD screen dimmed.
Press the Night mode and Sleep timer button to scroll through the timer options.
The remote control with the Night mode and sleep timer button on the bottom right.
Changing your HEPA+K-Carbon filters with a catalytic filter
Before changing your filter, switch off and unplug your Dyson purifier.
The remaining filter life is displayed on the screen and will indicate when your non-washable filters need replacing. Press the Information button on your remote or check on the MyDyson™app.
You’ll need to reset the filter life on your machine.
The air purifier fan with the filter covers open showing a HEPA plus K-Carbon filter located in the filter covers. Arrows demonstrate that the filter is fitted directly to the base of the machine and the filter covers will need to be assembled onto the base of the machine.
Dyson Purifier Cool PC2 De-NOx
Your machine comes with a permanent catalytic filter and a HEPA+K-Carbon filter.
You won’t need to change your catalytic filter.
To change your HEPA ^ { + } K-Carbon filter, push down on the buttons either side of your machine to release the outer cover. Push down on the tabs to remove the filter.
Push the replacement filter into the outer cover and make sure the tabs click into place.
Put the outer covers into position on your machine and push firmly until they both click securely into position.
Plug in and switch your machine, and reset your filter life.

Resetting your HEPA+K-Carbon filter life
It’s important to reset your filter life after you have replaced your filter.
Resetting your HEPA ^ + K-Carbon filter life Press and hold the Night mode button on your remote control.
The display on your machine will countdown from five, the filter life will be reset and your machine is ready to use.

Pressing the Night mode and Sleep timer button on the bottom right of the remote control for 5 seconds.
Looking after your machine
To always get the best performance from your Dyson purifier, it’s important to regularly clean it and check for blockages.
Cleaning your machine
If your machine is dusty, wipe with a damp lint-free cloth.
Look for blockages in the air inlet holes on the filter and the small aperture inside the loop amplifier.
Use a soft brush to remove dust and debris.
Don’t use detergents or polishes to clean your machine.
Error codes
If your machine shows an error code, try turning it off and then on again. If this doesn’t clear the e-rror code contact Dyson Customer Care.
For more information and support for your machine go to the MyDyson™app app or online: www.dyson.com/support

