Philips HR 4322, User Manual

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- Set the speed control to O (fig. 8).
- Remove the plug from the wall socket.
- Remove the front of the appliance by pulling it
towards you on one side (fig. 9).
Cleaning the prefilter and the Rota filter
• Clean the prefilter and the Rota filter at least
once every two months and more often if the
appliance becomes noisier and if it is used in a
room in which people smoke.
Prefilter:
- Remove the prefilter (fig. 10).
- Clean the prefilter by washing it (fig. 11) or
vacuum cleaning it.
Rota filter:
- Remove the Rota filter (fig. 12).
- Clean the Rota filter by washing it (fig. 13) or
vacuum cleaning it. The Rota filter can also be
cleaned in the dishwasher.
If you have used washing-up liquid, rinse the
filters with clean water (fig. 14).
- Let the filters dry naturally (fig. 15).
- Proceed in reverse order and direction to put
the filters back into the appliance.
- Press the Rota filter firmly until it snaps home.
Checking/replacing the HEPA filters
- Remove the HEPA filters from the air cleaner
(fig. 16).
- Turn the HEPA filters upside down and
compare the colour of their base with the
colours on the HEPA filter replacement
indicator (F) (fig. 17).
- Replace the HEPA filters if the colour of their
base corresponds to the darkest shade of grey
on the HEPA filter replacement indicator
(fig. 18).
- Check the filters right away if the appliance
starts to produce more noise. If the air cleaner
is being used in a room in which people smoke,
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