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Siemens OpenAir GDE Series Technical Instructions

Non-spring return rotary 24 vac floating control electric damper actuator
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OpenAir™ Electric Damper Actuator
GDE/GLB Series
Non-spring Return Rotary
24 Vac Floating Control
Description
Features
Application
Product Numbers
Torque
GDE131.1U
GDE131.1U/B (24 pk)
GDE131.1P
GDE131.1P/B (24 pk)
44 lb-in
GDE131.1Q
(5 Nm)
GDE131.1Q/B (12 pk)
GDE131.1N
GDE131.1N/B (24 pk)
GDE131.1T
GDE131.1T/B (24 pk)
88 lb-in
GLB131.1P
(10 Nm)
GLB131.1Q
OpenAir direct coupled 24 Vac non-spring return rotary electric actuators are
designed for floating control of dampers.
Compact, lightweight design
Manual override
Standard and plenum models available
Feedback potentiometer models available
cUL and UL listed, CE certified
Independently adjustable dual auxiliary switches available
These actuators are used in constant or variable air volume installations for control
of HVAC dampers requiring up to 44 lb-in (5 Nm) or 88 lb-in (10 Nm) of torque.
Standard
Potentiometer
GDE132.1P
GLB132.1P
Technical Instructions
Document No. 155-188P25
Table 1.
With
Dual Auxiliary
Switches Only
GDE136.1P
GLB136.1P
EA GDE/GLB-2
December 26, 2007
Pre-Cabled
No Cables
Standard
Plenum
6 ft length
Post Header AMP
Terminal Strip
Plenum
6 ft length
Siemens Building Technologies, Inc.

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  Summary of Contents for Siemens OpenAir GDE Series

  • Page 1 Post Header AMP — — — GDE131.1N/B (24 pk) — — — GDE131.1T Terminal Strip — — — GDE131.1T/B (24 pk) 88 lb-in GLB132.1P GLB136.1P Plenum GLB131.1P — (10 Nm) — — 6 ft length — GLB131.1Q Siemens Building Technologies, Inc.
  • Page 2: Specifications

    8 -16 mm 6 - 12.7 mm 15 mm Figure 1. Acceptable Shaft Sizes. Enclosure NEMA Type 2 Housing IP54 according to EN60529 GDE131.1N and GDE 131.1T NEMA1 Material Durable plastic Gear lubrication Silicone-free Page 2 Siemens Building Technologies, Inc.
  • Page 3 Figure 3. Rotary to Linear with Bracket. ASK76.1U Provides the connection between the actuator and conduit. NOTE: GDE131.1T and GDE131.1N are not compatible with the ASK76.1U. Figure 4. Conduit Adapter. Siemens Building Technologies, Inc. Page 3...
  • Page 4: Actuator Components

    Figure 6. Shaft Guide Insert. 985-132: Floating input cable for use only with the Terminal Plug (To TEC) Siemens Building Technologies, Inc. Terminal Equipment Controller (TEC), 3 ft, Figure 7. 12 pk. 985-131: Floating input cable; 3 ft, 12 pk.
  • Page 5 The GDE131.1N model uses a Post Header for connection purposes GDE131.1N rather than cable connections. The Post Header has two identical sets of contacts. Input (Output) NOTE: Cables are purchased Output (Input) separately. See Accessories. Figure 12. Siemens Building Technologies, Inc. Page 5...
  • Page 6: Operation

    A suggested safety factor is 0.80 (or 80% of the rated torque). Table 2. Total Torque Actuator <44 lb-in (5 Nm) GDE13x <88 lb-in (10 Nm) GLB13x <132 lb-in (15 Nm) GEB13x <221 lb-in (25 Nm) GBB13x <310 lb-in (35 Nm) GIB13x Page 6 Siemens Building Technologies, Inc.
  • Page 7: Mounting And Installation

    4 mm < 90¡ 1. Loosen the stop set adjustment screw. 2. Move the screw along the track to the desired position, and fasten it in place. Figure 16. Moving the Mechanical Range Stop. Siemens Building Technologies, Inc. Page 7...
  • Page 8 • Over current protection for supply lines is maximum 10A. Direction of Damper If the damper blades turn counterclockwise to open (CCW), reverse the 6 (violet) and Rotation 7 (orange) wires at the controller. Page 8 Siemens Building Technologies, Inc.
  • Page 9 1. The open bracket to the right of the actuator terminal strip is the strain relief for the customer provided control wires. 2. Secure the wires to the actuator bracket with a cable tie as shown in Figure 19. Figure 19. Siemens Building Technologies, Inc. Page 9...
  • Page 10 This rotation will affect all actuators in the daisy chain configuration. GDE131.1N NOTE: Input (Output) You must select Output (Input) either the top 3 contacts or the bottom 3 contacts. Figure 20. GDE131.1N Post Header AMP. Page 10 Siemens Building Technologies, Inc.
  • Page 11 Table 3. Floating Control Input Cables 3 ft 985-131 12 pk 3 ft Siemens TEC 985-132 12 pk CAUTIONS: Insert the plug into the Post Header AMP from the left to prevent damage to the cable wires. See Figure 21.
  • Page 12: Troubleshooting

    Figure 23. WARNING Do not daisy chain more than 12 actuators together at any time. WARNING: Troubleshooting Do not open the actuator. If the actuator is inoperative, replace the unit. Page 12 Siemens Building Technologies, Inc.
  • Page 13 Switch B - Common Black Switch B - NC Black Switch B - NO Black Feedback Black Potentiometer 0 to 100% P1 - P2 Feedback Black Potentiometer Common Feedback Black Potentiometer 100 to 0% P3 - P2 Siemens Building Technologies, Inc. Page 13...
  • Page 14 Connect wires S4 and S5 to the DMM. The DMM should indicate an open circuit or no resistance. 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. Page 14 Siemens Building Technologies, Inc.
  • Page 15 15/16 (94) min. 2-3/8 inch 60 mm 2-3/8 (60) min. 1 inch 25 mm min. 3/8 inch 10 mm 13/16 (21) 2-3/4 (70) Figure 25. GDE/GLB Actuator and Mounting Bracket Dimensions in Inches (Millimeters). Siemens Building Technologies, Inc. Page 15...
  • Page 16 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 trademark of Siemens Building Technologies, Inc. Product or company names mentioned herein may be the trademarks of their respective owners.