Cleaning PP 45 ventilation unit

Have ventilation unit cleaned by a specialist installer every 2 years.

Clean internal grille, fan and electronics cover with a dry cloth.

  1. Remove slide-in module → previous chapter.
  3. Before taking out the two filter seats, remove both plastic rivets. To do this, press out the rivet pin from inside with a sharp object, press pin all the way out from the outside and take off complete rivet.
  4. Remove both filter seats.
  5. Press together the two locking levers of each filter seat and pull the filter seat out of the slide-in module.
  6. Pull fan unit out of slide-in module, blow out, if necessary suction clean and clean with a dry cloth.
  7. Pull ceramic heat exchanger out of slide-in module, you may have to angle the wall sleeve slightly to remove.
  8. Rinse heat exchanger with clear water, then leave to dry.
  9. Clean wall sleeve.
  10. If possible, suction clean inner part of external cover.
  11. Insert ceramic heat exchanger in slide-in sleeve. Only fit heat exchanger once dry.
  12. Insert fan unit in slide-in module.
  13. If necessary, replace the air filters → previous chapter
  14. Fit both filter seats on ends of slide-in module. Make sure they lock into position.
  15. Insert plastic rivets in the filter seats. Install in reverse order as described in point 2.
  16. Install the slide-in module and attach the front cover → previous chapter.