Changing unit filters

Change the unit filters when the filter change indicator is on.

A pending filter change is displayed on a main control unit (if the status display is switched on under basic settings). On the RLS 1 WR control unit, the LED of ventilation level II flashes regularly at longer intervals.

Recommendation: Change the unit filters together.

  1. Switch off ventilation unit.

  2. 1

    Front panel

    2

    Magnet

    3

    Tab

    4

    Front cover

  3. Tilt front panel forward at the two top corners (magnets) and remove it upwards.
  4. Remove filter cover [G4 or F7].
  5. Pull the unit filter out of the ventilation unit.
  6. Carefully slide the new unit filter into the filter shaft. Do not press in the unit filter (cellulose). Only press in at reinforced corners. Air direction arrow facing down.
  7. Close filter openings with filter covers.
  8. Fit front panel in the two lugs and close (magnets).
  9. Reset filter change interval. To do this, click on the message on screen and confirm the filter change with changed. Also confirm a premature filter change with "changed". For systems with a single RLS 1 WR, press the two arrow keys on the control unit together for 2 seconds. The 3 LEDs flash briefly. If resetting prematurely, press the keys at the same time for 10 seconds.
  10. Dispose of the unit filter according to local regulations.