Manualshelf

Installation Instructions

ManualsBrandsSiemens ManualsDamper actuatorsOpenAir GBB Series, 24 Vac, 221 lb-in, Non Spring Return, Direct Coupled Electronic Damper Actuators Submittal Sheet
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Document No. 129-417
Installation Instructions
April 1, 2020
Siemens Industry, Inc. Page 3 of 8
Figure 7. Shaft Adapter Placement for Counterclockwise Rotation on Short and Long Shafts.
Figure 8. Mount the Actuator to the Damper Shaft.
Figure 9. Attach the Mounting Bracket.
NOTE: With an oversized shaft adapter (b’), tighten the middle screw so that the shaft is in the center of the shaft adapter
opening.
Figure 10. Fasten the Shaft Adapter to the Damper Shaft.
NOTE: Place the
shaft adapter
next to the
alignment
mark keeping
the mark
visible.