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Instructions:
1.
Run the supply pressure to the actuator and regulate it to a maximum of 25 psi.
2.
Apply air pressure to the actuator. The damper blades should fully open or close and return to the fail position when
power is disconnected; if they do not, adjustments can be made by resetting the crankarm position on the damper or
actuator shaft or by chang ing the distance from the actuator face to the center of the hole in the clevis.
Copyright © 2018 Greenheck Fan Corporation
483438 Siemens #6 Rev. 1 August 2018
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