Ventilation fan control (220)
| Ventilation fan control (220) | 
| Control voltage | V | 0-5 | 
| Control voltage | pin nr. | 1 | 
| Power supply B+ | pin nr. | 3 | 
| Reference ground | pin nr. | 2 | 
 
  
  | Note | ||
| The maximum fan current varies depending on the air flow in the heating and ventilation unit and on the battery voltage. | 

 
     
		