The fan works with an electric 12 volts motor.
The distribution is carried out by a separatly driven electric roller controlled by the in cab control box, three sorts of rotor available.
the cab control box three commands:
- fan on/off,
Bottom light for working,
- rotor on/off,
An handling bottom with a 0 to 30 graduated scale for the flow : from 4 to 250kg/hour.