Dyson HEPA Big+Quiet Formaldehyde logo. User guide The Dyson HEPA Big+Quiet Formaldehyde purifier. Power button on an LCD screen, mesh filter cover and CO sensor on the side. Contents Getting started monitoring Assembling your machine Changing your HEPA filter Positioning your machine...
360º HEPA H13 filter Image of the 360° HEPA H13 filter in the Dyson HEPA Big+Quiet Formaldehyde. The selective catalytic oxidisation filter, that will never need replacing. Selective catalytic...
Rotate the conic amplifier until it clicks securely into place. Plug in and press the power button. Image demonstrates how to assemble the Dyson HEPA Big+Quiet Formaldehyde purifier’s conic amplifier. Position and twist. A click indicates a secure lock.
Using your machine Power and Airflow speed Press the Power button on the screen to switch on your machine. Press the Power button again for Airflow speed 1. Press the Power button a second time for Airflow speed 2. Press and hold the Power button to switch off your machine. Finger point illustrates where the power button is positioned, on the...
Changing your HEPA filter Remove the conic amplifier Slide the Release button on the back of the conic amplifier to unlock. Lift the conic amplifier off your machine. Lift the outer cover off the base of your machine. Sideways green arrow indicates Release switch to open the purifier, for access to change the...
Changing your carbon filter Remove the conic amplifier Slide the Release button on the back of the conic amplifier to unlock. Lift the conic amplifier off your machine. Sideways green arrows Lift the outer cover off the base of your machine. indicate the direction of disassembly to access Green arrow indicates that...
Looking after your machine To always get the best performance from your Dyson air 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. Clean the machine regularly using a damp, lint-free cloth.