Manualshelf

Installation Instructions

ManualsBrandsSiemens ManualsDamper actuatorsOpenAir GBB Series, 24 Vac, 221 lb-in, Non Spring Return, Direct Coupled Electronic Damper Actuators Submittal Sheet
12345678
Document No. 129-417
Installation Instructions
April 1, 2020
Page 2 of 8 Siemens Industry, Inc.
3. For all models: See Figure 5 and Figure 6 for
clockwise-to-open (CW) installation. See Figure 7 and
Figure 8 for counterclockwise-to-open (CCW)
installation.
For Tandem Applications
• The direction of rotation switches must be set
identically on both actuators according to the
clockwise or counterclockwise rotation of the damper
shaft. The factory setting is clockwise.
• Minimum damper drive shaft length is 4 inches
(100 mm).
CAUTION:
No more than three actuators are to be used
in tandem applications.
NOTE: GIB163 and GIB164 models containing offset
and span features can not be used in a tandem
application.
Figure 5. Shaft Adapter Placement for Clockwise Rotation on Short and Long Shafts.
Figure 6. Mount the Actuator to the Damper Shaft. Go to Figure 9 to Complete the Mounting.
NOTE: Place the shaft
adapter next to the
alignment mark
keeping the mark
visible.