Fan

  1. Unpack unit and take off cover.
  3. To release the cover’s locking hook, unlock using a screwdriver.
  4. Remove the internal combination sensor.

  5. 6

    Internal combination sensor

    7

    Electronics cover

  6. Remove the electronics cover. Unlock locking hook (arrow) with screwdriver.
  8. Fit supplied sealing strip centred in socket.
  10. Fit supplied foam strip centred in socket.

The foam strip must be fitted on the unit so that the units do not draw in any unwanted air from outside.