Control module outputs
| Control module outputs | 
| • | 
       Sensor ground, reference ground, see
       
        Control module power supply
       
       .
        | 
     |
| • | 
       Solar sensor, power supply (223), see
       
        Solar sensor
       
       .
        | 
     |
| • | 
       Ventilation fan control (220), see
       
        Ventilation fan
       
       .
        | 
     |
| • | 
       Stepping motor, left-hand air-blending flap (222LH), see
       
        Stepping motor, air-blending flap, left
       
       .
        | 
     |
| • | 
       Stepping motor, right-hand air-blending flap (222RH), see
       
        Stepping motor, air-blending flap, right
       
       .
        | 
     |
| • | 
       Stepping motor, air distribution damper (221a), see
       
        Stepping motor, air distribution damper
       
       .
        | 
     |
| • | 
       Air recirculation motor (38), see
       
        DC motor, air recirculation flap
       
        | 
     |
| • | 
       Heat exchanger shut-off valve (581), see
       
        Solenoid valve, heat exchanger shut-off valve
       
       .
        | 
     |
| • | 
       Circulation pump (453), see
       
        Circulation pump
       
       .
        | 
     |
