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Siemens OpenAir GDE Series Technical Instructions page 11

Electric damper actuators, non-spring return rotary 24 vac - modulating control 0 to 10 vdc
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OpenAir Non-Spring Return Rotary Electric Damper Actuator
24 Vac – Modulating Control
Wiring
All wiring must conform to NEC and local codes and regulations.
Use earth ground isolating step-down Class 2 transformers. Do not use autotransformers.
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 ten actuators.
Wiring Designations
24 Vac power supply
0 to 10V modulating control
8
9
S1
A
M
S2 S3
1
2
Siemens Building Technologies, Inc.
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
WARNINGS:
Installations requiring
All wiring for CE certified actuators must be "Separated Extra Low Voltage"
(SELV) or "Protective Extra Low Voltage" (PELV) rated 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.
Each wire has the standard symbol printed on it.
Standard
Symbol
1
2
8
S4
9
B
S1
S5 S6
S2
S3
S4
S5
S6
Conformance:
Table 4.
Function
Supply (SP)
Neutral (SN)
0 to 10V input signal
Output for 0 to 10 Vdc
position indication
Factory-installed Options
Switch A Common
Switch A - N.C.
Switch A - N.O.
Switch B - Common
Switch B - N.C.
Switch B - N.O.
Technical Instructions
Document Number: 155-187P25
November 30, 2005
conformance.
Terminal
Color
Designation
G
Red
G0
Black
Y
Gray
U
Pink
Q11
Black
Q12
Black
Q14
Black
Q21
Black
Q22
Black
Q24
Black
Page 11

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