Removing and cleaning the supply air fan (A)

To clean the supply air fan:

  1. Disconnect the ventilation unit from the mains electricity supply.
  2. Lift the latch to open the door of the Vallox ventilation unit.
  3. Lift the door off.
    CAUTION:
    The door is heavy.
  4. Remove the fine filter (1). To do so, pull the fine filter out of the unit.
  5. The fan has been fastened on the mounting plate with wing bolts (2). Remove the wing bolts and lift the fan out of the unit.
  6. Disconnect the quick connector of the fan cable (3).
  7. Clean the fan. The fan blades can be cleaned with compressed air (wear protective goggles) or by brushing them gently. Do not remove or move the fan blade balancing weights.
  8. To reassemble the ventilation unit, follow the above steps in reverse order.
  9. Close the door. Ensure that the safety switch catch of the door is touching the safety switch.
  10. Plug the ventilation unit back into the mains.