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Siemens OpenAir GLB141.1P Technical Instructions page 7

Electronic damper actuators, enhanced non-spring return rotary
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OpenAir™ GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator
Auxiliary Switches GLB146.1P, GLB346.1U, GLB166.1P
Figure 10 shows the adjustable switching values for auxiliary Switches A and B.
Actuator Scale:
Clockwise
Adjustment range for
Switches A and B
Setting interval: 5°
Switching hysteresis: 2°
Actuator Scale:
Counterclockwise
NOTE:
Use the long arm of the † (
the narrower tab on the red ring to point to the position of Switch B.
Rotation Direction
GLB14x.1P, GLB34x.1U
Two-position/Floating
Control
Siemens Industry, Inc.
The auxiliary switch setting shafts rotate with the actuator. The scale is valid only
when the actuator is in the 0 position on clockwise motion.
AUX SWITCH ADJUSTMENT
Figure 11. Setting the Rotation Direction.
Technical Instructions
Document Number 155-785
Figure 10. Adjustable Switching Values
for the Dual Auxiliary Switches.
) to point to the position of Switch A. Use
January 20, 2017
Page 7

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