Siemens OpenAir GDE Series Technical Instructions page 7

OpenAir ™ Non-Spring Return Rotary Electric Damper Actuator
24 Vac 3-position Control
Mechanical range
adjustment
Wiring
Direction of damper
rotation
Siemens Building Technologies, Inc.
1. Loosen the stop
set screw.
2. Move the screw
along the track to
the desired
position, and
fasten it in place.
Figure 6. Moving the Mechanical Range Stop.
All wiring must conform to NEC and local codes and regulations.
Use earth ground isolating step-down Class 2 transformers. Do not use auto
transformers.
The sum of the VA ratings of all actuators and all other components powered by one
transformer must not exceed the rating of the transformer. It is recommended that one
transformer power no more than 10 actuators.
CAUTION:
Do not wire different types of actuators (such as GBB... or GIB...) in
parallel with these models.
WARNING:
All six outputs of the dual auxiliary switch (A and B) must only be
connected to:
Class 2 voltage (UL/CSA),
Separated Extra-Low Voltage (SELV) or Protective Extra Low
Voltage (PELV) (according to HD384-4-41) for installations
requiring
actuator.
WARNING:
Installations requiring
•
All wiring for CE certified actuators must only be separated extra low
voltage (SELV) or protective extra low voltage (PELV) per
HD384-4-41.
•
Use safety isolating transformers (Class III transformer) per
EN61558. They must be rated for 100% duty cycle.
•
Overcurrent protection for supply lines is maximum 10A.
If the damper blades turn counterclockwise to open (CCW), reverse the 6 (violet) and
7 (orange) wires at the controller.
3 mm
1
conformance. You must use a
Conformance:
Technical Instructions
Document No. 155-188P25
Rev. 3, August, 2001
< 90°
2
certified plenum
Page 7