INSTALLATION
Cleaning and maintenance
11.1 Cleaning
The interior of the appliance must be cleaned regularly to remove
dust deposits.
f Open the appliance (see chapter "Installation / Opening the
appliance").
f Remove the dust from inside the appliance.
f Fit the casing cover (see chapter "Installation / Fitting the
casing cover").
f Hang the appliance on the wall mounting bracket (see chap-
ter "Installation / Installing the appliance").
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| ULTRONIC Plus | ULTRONIC Premium
11.2 Changing the HEPA filter
Notice
A built-in filter must be replaced after 60.000 applica-
tions. The appliance can still be operated, but without
the effectiveness of a HEPA filter. After approx. 75.000 ap-
plications, the LED on the front of the appliance flashes
red. The appliance cannot be operated again until a new
filter is inserted.
The HEPA filter is available as a spare part.
f Open the appliance (see chapter "Installation / Opening the
appliance").
f Replace the filter (see chapter "Installation / Installing the
HEPA filter").
f Fit the casing cover (see chapter "Installation / Fitting the
casing cover").
f Hang the appliance on the wall mounting bracket (see chap-
ter "Installation / Installing the appliance").
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