Siemens OpenAir GIB132.1P Technical Instructions page 9

TM
OpenAir NSR Rotary Electric Damper Actuator
24 Vac 3-position Control
Manual override
To move the damper blades and
lock the position with no power
present:
1. Determine damper rotation:
2. Hold down the PUSH button.
3. Make adjustments to the damper
4. Release the PUSH button.
Once power is restored, the actuator
returns to automated control.
Mechanical range
The angular rotation is adjustable between 0 and
adjustment
90° at 5-degree intervals. The range of shaft
movement is limited by mounting the shaft
adapter:
Begin by loosening the shaft adapter from the
damper shaft and remove the actuator from the
damper shaft.
1. Remove clip.
2. Remove shaft adapter from the actuator.
Siemens Building Technologies, Inc.
clockwise or counterclockwise.
position.
90
90
PUSH
Figure 16.
3. Return the actuator gear train to the "0" position using the following steps for the
clockwise or counterclockwise damper shaft rotation.
Clockwise-to-open:
a. Insert the shaft adapter to the right as close as possible to the raised stop.
See Figure 16.
b. Hold down the PUSH button and rotate the shaft adapter to the left until it
stops. See Figure 17.
c. Release the PUSH button.
d. If the shaft adapter is not resting against the left raised stop, remove the
adapter and insert it against the left stop.
e. Place the position indicator to the "0" position on the outside scale. See
Figure 18.
3
2
PUSH
1
L > 3 in.
77mm
Figure 14. Manual Override.
1
90
90
PUSH
Figure 17.
Technical Instructions
155-177P25
December 15, 2004
3
2
PUSH
L < 3 in.
77mm
2
Figure 15.
90
90
PUSH
Figure 18.
Page 9