Weinmann VENTIlogic LS Instructions For Use Manual page 92

9.3.2 Change fine filter
The fine filter needs changing when it has gone dark, but in any event after no more than
1000 operating hours. In the latter case, the message Change filter will appear in the
display.
Filter change indicator
Proceed as follows to change the fine filter:
9.3.3 Reset filter change indicator
After you have changed the fine filter, you must reset the filter change indicator. This is
necessary even if the filter was changed before 1000 operating hours expired so the filter
change symbol was not in the display.
92 EN
Maintenance and safety checks
3. Take the coarse dust filter out of the filter
compartment
lid and dispose of it in normal domestic waste.
4. Place the clean coarse dust filter in the filter
compartment lid.
5. Put the filter compartment lid into the cutout in the
housing bottom edge first. Then push the filter
compartment lid into the housing until the latch
engages.
Acknowledge the message by pressing the alarm
acknowledgement key
then appears permanently in the status line.
1. Press on the latch of the filter compartment lid and
take it off.
2. Replace the fine filter with a new fine filter
WM 15026. Dispose of the old filter in normal
domestic waste.
3. Put the filter compartment lid into the cutout in the
housing bottom edge first. Then push the filter
compartment lid into the housing until the latch
engages.
. The filter change symbol