Siemens OpenAir GBB14 Series Technical Instructions
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Siemens OpenAir GBB14 Series Technical Instructions

Siemens OpenAir GBB14 Series Technical Instructions

Enhanced electronic damper actuators.non-spring return 24 vac/vdc, 2-position/floating control
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OpenAir® GBB/GIB14x Enhanced
Electronic Damper Actuators
Non-spring Return 24 Vac/Vdc, 2-position/Floating
Control
Description
Features
Application
Product Numbers
Torque
221 lb-in (25 Nm)
310 lb-in (35 Nm)
The OpenAir direct coupled 24 Vac/Vdc, non-spring return (NSR) rotary electric
actuator is designed for floating control of building HVAC dampers.
•
Unique self-centering shaft coupling
•
All metal housing
•
Manual override
•
Independently adjustable dual auxiliary switches available
•
Built in potentiometer option
•
Two torque ranges available
•
UL, CE and cUL listed
These actuators are used in constant or variable air volume installations for the
control of return air, mixed air, exhaust, and face and bypass dampers requiring up
to 221 lb-in (25 Nm) or 310 lb-in (35 Nm) torque.
24 Vac Operating Voltage
Cabling
Standard
Plenum
Standard
Plenum
Technical Instructions
Document Number A6V14574716_en_a
Table 1.
Potentiometer
Standard
Only
GBB141.1U
GBB142.1U
GBB141.1P
GIB141.1U
GIB142.1U
GIB141.1P
August 15, 2024
Dual
Auxiliary
Switches
Only
GBB146.1U
—
GBB146.1P
GIB146.1U
—
GIB146.1P
Siemens Industry, Inc.

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Summary of Contents for Siemens OpenAir GBB14 Series

  • Page 1 24 Vac Operating Voltage Dual Potentiometer Auxiliary Torque Cabling Standard Only Switches Only Standard GBB141.1U GBB142.1U GBB146.1U 221 lb-in (25 Nm) — Plenum GBB141.1P GBB146.1P Standard GIB141.1U GIB142.1U GIB146.1U 310 lb-in (35 Nm) — Plenum GIB141.1P GIB146.1P Siemens Industry, Inc.

  • Page 2: Specifications

    Apply only line voltage or only Class 2 voltage to the switching outputs of both auxiliary switches A and B. Mixed operation is not permissible. See Wiring for details. NOTE: With plenum cables, only UL-Class 2 voltage (SELV for CE is permissible). Page 2 Siemens Industry, Inc.
  • Page 3 5 million repositions at rated torque and temperature Noise level <45 dBA (running) Dimensions See Figure 26. Weight 4.8 lbs (2.2 kg) without switches 5.2 lbs (2.35 kg) with switches Country of origin Siemens Industry, Inc. Page 3...
  • Page 4 Kit contains: • Crank arm to attach to the splined hub of the shaft adapter • Mounting bracket Figure 4. Crank Arm Kit with Mounting • Required mounting fasteners Bracket. Page 4 Siemens Industry, Inc.
  • Page 5 For dimensions, see Figure 25. 985-106: Provides protection for GIB, GBB and GCA OpenAir actuators in an outside low temperature. Assembly includes: • Weather Shield (ASK75.1U) • Heater Kit (985-105) Figure 9. Heater/Weather Shield Assembly. Siemens Industry, Inc. Page 5...

  • Page 6: Service Parts

    4. Auxiliary switch B 5. Auxiliary switch A 6. Position indicator 7. Self-centering shaft adapter 8. Shaft adapter locking clip 9. Position indicator adapter 10. Mounting bracket Figure 12. Components of the Floating Control Actuator. Page 6 Siemens Industry, Inc.

  • Page 7: Operation

    Adjustment range for Switches A and B Setting interval: 5° Actuator Scale: Counterclockwise NOTE: The auxiliary switch setting shafts turn together with the actuator. The scales are valid only when the actuator is in the 0 position on clockwise motion. Siemens Industry, Inc. Page 7...
  • Page 8 The power trunk can handle added components. • The same power and control inputs go to both actuators (parallel wiring). • The ASK73.2U Tandem Mounting Bracket is used. CAUTION: Do not use more than two actuators in tandem applications. Page 8 Siemens Industry, Inc.

  • Page 9: Mounting And Installation

    2. Hold down the PUSH button. 3. Make adjustments to the damper position. 4. Release the PUSH button. Once power is restored, the actuator returns to automated control. Figure 15. Manual Override. Siemens Industry, Inc. Page 9...
  • Page 10 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 19. Page 10 Siemens Industry, Inc.
  • Page 11 8. Return the actuator to the damper shaft and tighten the shaft adapter to the damper shaft. Figure 20. Mechanical Range Adjustment. Reversing the position Reverse the position indicator so that the counterclockwise 0…90 scale is visible. indicator Figure 21. Position Indicator. Siemens Industry, Inc. Page 11...
  • Page 12 Switch B – Common Black/red Switch B – Normally Closed Black/blue Switch B – Normally Open Black/pink Feedback Potentiometer 0…100% P1 – P2 White/red Feedback Potentiometer Common White/blue Feedback Potentiometer 100…0% P3 – P2 White/pink Page 12 Siemens Industry, Inc.
  • Page 13 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 A. d. Stop applying a control signal to wires 1 (red) and 6 (violet). Siemens Industry, Inc. Page 13...

  • Page 14: Troubleshooting

    3. If the actuator is not working, check the damper for blockage. If blocked, remove the obstacle and cycle the actuator power off and on. The actuator should resume normal operating mode. Page 14 Siemens Industry, Inc.
  • Page 15 GBB/GIB14x Enhanced Non-spring Return Damper Actuators Technical Instructions Document No. A6V14574716_en_a August 15, 2024 Dimensions Figure 24. Dimensions of the ASK75.1U Weather Shield in Inches (Millimeters). Figure 25. Dimensions of the ASK75.7U Weather Shield in Inches (Millimeters). Siemens Industry, Inc.
  • Page 16 Technical Instructions GBB/GIB14x Enhanced Non-spring Return Damper Actuators Document No. A6V14574716_en_a August 15, 2024 Dimensions, Continued Figure 26. Dimensions of the GBB/GIB Enhanced Actuator and Mounting Bracket in Inches (mm).
  • Page 17 Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as design improvements are introduced. OpenAir is a registered trademark of Siemens Schweiz AG. Other product or company names mentioned herein may be the trademarks of their respective owners.

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