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OpenAir™ GND Series Electronic Damper Actuator
Designed for UL Listed Fire/Smoke and Smoke Control Dampers
Product Description
Step-by-step description for direct-coupled mounting
of the OpenAir GND fast-acting two-position rotary
electronic damper actuator. Actuator is intended for
control of approved fire and smoke leakage-rated
HVAC dampers.
Product Numbers
GND12x.1x
GND22x.1x
GND32x.1x
Warning/Caution Notations
WARNING:
CAUTION:
Required Tools
·
3 mm hex wrench (provided)
·
No. 2 Phillips screwdriver
·
1/4-inch (6.4 mm) hex driver
·
Marker or pencil
Item Number: 129-402, Rev. DA
Figure 1. GND Actuator Parts.
Personal injury or loss of life
may occur if you do not follow
a procedure as specified.
Equipment damage or loss of
data may occur if you do not
follow a procedure as
specified.
a. Actuator
b. Hex key – 3mm
c. Eyelet and 1/4-inch hex head screw
Prerequisites
WARNING:
Do not open the actuator housing.
Installation
Figure 2. Actuator Mounting Orientation.
Figure 3. Actuator Internal End Stops.
Installation Instructions
Document No. 129-402
June 6, 2018
1 of 5
Page
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Summary of Contents for Siemens OpenAir GND12x.1 Series
- Page 1 Installation Instructions Document No. 129-402 June 6, 2018 OpenAir™ GND Series Electronic Damper Actuator Designed for UL Listed Fire/Smoke and Smoke Control Dampers a. Actuator b. Hex key – 3mm c. Eyelet and 1/4-inch hex head screw Figure 1. GND Actuator Parts. Product Description Prerequisites WARNING:...
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Page 2: Manual Override
Figure 5. Fasten the Shaft Adapter to the Damper Shaft. Figure 8. Manual Override. Figure 6. Insert the eyelet through housing ear. Insert screw through eyelet and tighten using 1/4-inch (32 mm) hex driver. 2 of 5 Page Siemens Industry, Inc. -
Page 3: Wiring Diagrams
Either AC line voltage from the same phase must be applied to all four outputs of the fixed dual end switches, or UL-Class 2 voltage must be applied to all four outputs. 3 of 5 Siemens Industry, Inc. Page... -
Page 4: Maintenance
Versions GNDxxx.1U/F contain wire with a Molex connector (See Figure 9) to accommodate an EFL. EFLs are purchased separately. See Table 1. Table 1. Electronic Fusible Link Product Numbers. Part Number Operation ASK79.165 165°F (74°C) ASK79.212 212°F (100°C) ASK79.250 250°F (121°C) ASK79.350 350°F (177°C) 4 of 5 Page Siemens Industry, Inc. - Page 5 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 Schweiz AG. Other product or company names mentioned herein may be the trademarks of their respective owners. © 2018 Siemens Industry, Inc.