Filter Change - Weinmann VENTIlogic BiLevel ST Description Of Unit And Operating Instructions For Patients

9.2 Filter change

Change coarse dust filter
Use only original filters made by WEINMANN. If third-party filters are used, this will
invalidate the warranty and may cause restrictions in terms of function and biocom-
patibility.
1. If the VENTIclick humidifier is connected, first disconnect it from the unit. This will
prevent water running into the unit when the filter is changed. Please also ob-
serve the operating instructions enclosed.
Change fine filter
Filter change indicator
40
EN
Maintenance
2. Press on the latch of the filter compartment cover
and lift it off.
3. Take the coarse dust filter out of the filter compart-
ment cover.
4. Insert the clean coarse dust filter in the filter com-
partment cover.
5. Insert the filter compartment cover into the opening
in the housing bottom edge first.
6. Push the filter compartment cover into the housing
until the latch engages.
The fine filter needs changing when it has turned dark
in colour, but in any event, after no more than 1000
operating hours. In the latter case, the message
"Change filter!" appears in the display if the
VENTIlogic is switched on.
Press the alarm acknowledgement button
change symbol
status line.
then appears continuously in the
. The filter