OpenAir
™ GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator
Technical Instructions
Document Number 155-785
January 20, 2017
Siemens Industry, Inc.
Page 7
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
Figure 10. Adjustable Switching Values
for the Dual Auxiliary Switches.
NOTE:
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.
Use the long arm of the
†
(
AUX
SWITCH
ADJUSTMENT
) to point to the position of Switch A. Use
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
Figure 11. Setting the Rotation Direction.