Filter replacement T12 and T15
A general recommendation is to change the filters once a year after the pollen season. The filters must be vacuumed and replaced if necessary.
Filter replacement
To change the filter or gain access for service, follow these steps:
- Turn off the power to the supply air unit.
- Unscrew the four knobs that hold the door in place.
- Remove the cover to access the filter set.
- To change the filters, remove the old filters and fit the new filters in place.
- Hang the cover on the four screws and screw the knob firmly.
- Turn on the power of the device again.