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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

Item Number: 129-402, Rev. DA

Page

1 of 5

a. Actuator

b. Hex key – 3mm

c. Eyelet and 1/4-inch hex head screw

Figure 1.  GND Actuator Parts.

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:

Personal injury or loss of life
may occur if you do not follow
a procedure as specified.

CAUTION:

Equipment damage or loss of
data may occur if you do not
follow a procedure as
specified.

Required Tools

 

3 mm hex wrench (provided)

 

No. 2 Phillips screwdriver

 

1/4-inch (6.4 mm) hex driver

 

Marker 

or 

pencil

Prerequisites

WARNING:

Do not open the actuator housing.

Installation

Figure 2.  Actuator Mounting Orientation.

Figure 3.  Actuator Internal End Stops.

Summary of Contents for OpenAir GND12x.1 Series

Page 1: ...nic 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 Personal injury or loss of life may occur if you do not follow a procedure as specified CAUTION Equipment damage or loss of data may occur if you do not follow a procedure as specified Required Tools 3 mm hex wren...

Page 2: ...t through housing ear 2 Insert screw through eyelet and tighten using 1 4 inch 32 mm hex driver Figure 7 Tighten Conduit Screws No 2 Phillips Driver Manual Override For adjustment of the damper actuator when there is no power Figure 8 Manual Override CAUTION Apply 60 in lb to 90 in lb 7 Nm to10 Nm maximum torque to the shaft fixation set screws All four screws must be tightened CAUTION Always turn...

Page 3: ... connected for proper protection of the actuator Any other connection such as phase to phase can damage the actuator Function Color Line Brown Neutral Blue Ground Green Fixed Dual End Switches Switch Wire Color Switch Makes Switch Breaks 5 Gray 5 5 85 Yellow 85 85 NOTE Both sets of contacts are open when actuator is between 5 and 85 CAUTION Mixed switch operation to the switching outputs of both d...

Page 4: ...e Alarm Code NFPA 72 states that all life safety systems are to be functionally checked at least annually Check the smoke control damper actuator every time you functionally check your smoke detectors emergency lights and or power generators for operation Electronic Fusible Link EFL Versions GNDxxx 1U F contain wire with a Molex connector See Figure 9 to accommodate an EFL EFLs are purchased separ...

Page 5: ...f their respective owners 2018 Siemens Industry Inc Siemens Industry Inc Building Technologies Division 1000 Deerfield Parkway Buffalo Grove IL 60089 1 847 215 1000 Your feedback is important to us If you have comments about this document please send them to sbt_technical editor us sbt sbt siemens com Document No 129 402 Printed in the USA Page 5 of 5 Dimensions Figure 10 Dimensions of GND OpenAir...

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