FSE Series Electric Actuator
Installation & Maintenance Manual
14
November 18, 2022
www.atcontrols.com
Engineering\documents\products\IOM\Iom08026.docx
Setting the end (spring compressed) position:
a. Apply power to operate actuator to fully open (spring compressed) position. If the open stop point is not
aligned with the valve or damper properly, then it must be adjusted.
b. Remove power so that the actuator returns to its fully closed (spring released) position.
c. Loosen the M3 cap screw of cam TC1 with a 2.5mm hex key and adjust to increase or decrease the
actuation angle.
FSE-440
FSE-1150 to FSE-2300
Fail open (CCW) unit.
FSE-440
FSE-1150 to FSE-2300
Fail close (CW) unit.