Main parts
R model in the figure. In the L model, the parts are mirrored.
- 1
- Extract air fan
- 2
- Supply air fan
- 3
- Fine filter for supply air
- 4
- Heat recovery cell
- 5
- Bypass damper of the HR cell
- 6
- Coarse filter for supply air
- 7
- Coarse filter for extract air
- 8
- Post-heating resistor
- 9
- Safety switch
- 10
- Internal humidity sensor
- 11
- Control panel
- 12
- Carbon dioxide sensor (optional)
- 13
- Humidity sensor (optional)
- 14
- VOC sensor (optional)