Vallox 51 MV

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
Control panel
10
Internal humidity sensor
Internal carbon dioxide sensor
11
Humidity sensor (optional)
12
Carbon dioxide sensor (optional)
13
VOC sensor (optional)
14
Ceiling bushing for electric wires (optional)