Cleaning heat exchanger and unit inside

  1. Switch off ventilation unit with main switch, disconnect at all poles from the power supply, secure against being accidentally switched back on and position a visible warning sign.
  1. Removing the front cover(s). Note information on sticker.

  2. The sealing strip will be damaged if the heat exchanger is pulled out or inserted at an angle.

    Do not twist heat exchanger. Do not move the ventilation unit.

  3. Pull heat exchanger carefully and evenly out of ventilation unit.
  4. Vacuum the sensitive heat exchangers with a standard vacuum cleaner.
    Thoroughly flush enthalpy heat exchanger with water or soapy water, drip off and let it dry well.
  5. Wipe down the interior walls of the ventilation unit with a cleaning cloth.
  6. Carefully slide heat exchanger into housing until stop is reached → position sticker.
  7. Attaching the front cover(s).
  8. Switch on the ventilation unit.