Figure 10, See figure 9, See figure 10 – Siemens 331-2856 User Manual
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Technical Instructions
POWERS™ Controls No. 6 Pneumatic Damper Actuator
Document No. 155-029P25
December 3, 2004
Frame Mounting - Type B, Continued
Figure 9. Frame Mounting,
Normally Open Damper.
Figure 10. Frame Mounting,
Normally Closed Damper.
Actuator Mounting
Figure 11. Actuator Mounting Plate 331-623
Pivot Shaft Locations.
Dimensions in Inches (Millimeters).
Table 5. Mounting Plate Hole Identification.
Hole Used
For
1
No. 6 Actuator extended shaft
mounting.
2 Not
used.
3
No. 4 Actuator extended shaft.
No. 6 Actuator frame mounting NC
4
No. 6 Actuator frame mounting NO
5
No. 4 Actuator frame mounting NC
6
No. 4 Actuator frame mounting NO
Figure 12. Actuator Mounting Plate 331-623A
Pivot Shaft Locations.
Table 6. Pivot Post Hole Identification.
Hole
Used For
1
No. 6 Actuator extended shaft mounting
2 Not
used
No. 4 Actuator extended shaft
3
No. 6 Actuator frame mounting NC
4
No. 6 Actuator frame mounting NO
5
No. 4 Actuator frame mounting NC
6
No. 4 Actuator frame mounting NO
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Siemens Building Technologies, Inc.