Cleaning the extract air fan

To clean the extract air fan:

  1. Disconnect the ventilation unit from the mains electricity supply.
  2. Lift the latch to open the door of the ventilation unit.
  3. Lift the door off.
    CAUTION: The door is heavy.
  4. Remove the extract air filter (C), the cell top bracket (E) and the heat recovery cell (D).
  5. Open the four screws (figure 1) on the extract air fan cover and remove the cover (figure 2).
  6. The fan can now be cleaned in place.
  7. To remove the fan for cleaning:
    1. Push the fan gently upward (figure 3).
    2. Push the plastic lock of the fan to the right with a screwdriver, for example (figure 4).
    3. The fan falls downwards (figure 5).
    4. Pull the fan out of the unit.
    5. Disconnect the quick connector of the fan wires (figure 6).
  8. Clean the fan.
  9. To reassemble the ventilation unit, follow the above steps in reverse order.
  10. Close the door of the unit. Ensure that the safety switch catch of the door is engaged (S), allowing the unit to be turned on. Achten Sie darauf, dass der Verschlusshebel des Sicherheitsschalters (S) für die Tür den Sicherheitsschalter berührt, so dass das Lüftungsgerät eingeschaltet werden kann.
  11. Plug the ventilation unit back into the mains.
  12. The extract air fan has now been checked and cleaned.