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.  | 
     
