Topvex Series
BFT - Filter replacement instructions
Systemair Inc.
2
1
Release the filter frame by pulling the filter support
bars.
2
Tilt the support bars to the back.
3
It is now possible to fold the filter and frame
backwards. This is especially important if there
is lack of space in front of the unit and the sliding
door kit is used.
The filter can now be taken out of the unit.
5
Insert the new filter and fasten it against the inlet seal with the filter support bars.
Make sure the filter is fitted tight all around the frame.
1.2 Topvex FR Changing Supply/Extract air filter
3
Changing pre-filter (only when pre-heater is
installed)
