Siemens OpenAir GDE Series Technical Instructions page 10

Technical Instructions
Document No. 155-188P25
Rev. 3, August, 2001
Start-Up/
Commissioning,
continued
Service
Page 10
6. Apply a control signal (24 Vac) to wires 1 (red) and 7 (orange).
The DMM should indicate contact closure as the actuator shaft coupling
reaches the setting of switch A.
Check the Auxiliary Switch B:
1. Set the DMM dial to Ohms (resistance) or continuity check.
2. Connect wires S4 and S6 to the DMM.
The DMM should indicate an open circuit or no resistance.
3. Apply a control signal (24 Vac) to wires 1 (red) and 6 (violet).
The DMM should indicate contact closure as the actuator shaft coupling
reaches the setting of switch B.
4. Stop applying a control signal to wires 1 (red) and 6 (violet).
5. Connect wires S4 and S5 to the DMM.
The DMM should indicate an open circuit or no resistance.
6. Apply a control signal (24 Vac) to wires 1 (red) and 7 (orange).
The DMM should indicate contact closure as the actuator shaft coupling
reaches the setting of switch B.
WARNING:
Do not open the actuator.
If the actuator is inoperative, replace the unit.
OpenAir ™ Non-Spring Return Rotary Electric Damper Actuator
24 Vac 3-position Control
Siemens Building Technologies, Inc.