COMPACT VAV CONTROLLER WEB-VA423B24N – INSTALLATION INSTRUCTIONS 
 
  17      31-00362-01 
REPLACING ACTUATOR 
The integrated actuator of compact VAV can be 
replaced. To replace the actuator, follow the steps 
mentioned below. 
 
1.  Remove the screw on the side of the controller. 
 
 
 
 
2.  Separate the controller from the actuator by 
gently pulling them apart. 
 
 
 
3.  Remove the 4-pin connector that links the 
actuator to the controller, by pulling away from 
the actuator circuit board. 
 
 
 
4.  Replace the actuator.