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Siemens OpenAir GDE Series Technical Instructions page 10

Electric damper actuators, non-spring return rotary 24 vac - modulating control 0 to 10 vdc
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Technical Instructions
Document Number: 155-187P25
November 30, 2005
Manual override
To move the damper blades and lock the position with no
power present:
1. Slide the red manual override knob toward the back of
2. Make adjustments to the damper position.
3. Slide the red manual override knob toward the front of
Once power is restored, the actuator returns to automated
control
Mechanical range
To mechanically limit the range of the damper blade.
adjustment
1. Loosen the stop set screw.
2. Move the screw along the track to
To use the entire 0 to 10V input signal to control the mechanically limited range, see
Figure 7 for setting self-adaptive features.
Example:
Stop set screw at 70°
Self-adapt switch ON
Input signal Y = 5 Vdc
The damper will be at 35° (50% of the adjusted range.)
NOTE:
Page 10
the actuator.
the actuator.
.
the desired position, and fasten it
in place.
On versions with the slope and offset features, this example assumes
Offset Uo = 0 Vdc
Slope ΔU= 10 Vdc
OpenAir Non-Spring Return Rotary Electric Damper Actuator
4 mm
1
Figure 19. Moving the Mechanical Range Stop.
24 Vac – Modulating Control
2
ADJUSTMENT
LEVER
MANUAL
1
AUTO
3
Figure 18.
Manual Override.
< 90¡
2
Siemens Building Technologies, Inc.

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