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OpenAir
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Electronic Damper Actuator
Designed for UL Listed Fire/Smoke and Smoke Control Dampers
142 lb.-in. Torque
2-position, 15-second Runtime,
15-second Spring Return Time
N474
TM
GGD Series
GGD Series Electronic Damper Actuator.
Description
Intended for use on UL listed smoke control dampers or
combination re/smoke rated dampers, the OpenAir GGD
Series Direct-coupled, Fast Acting, Two-position, Spring
Return Electronic Actuators are available in 24 Vac,
115 Vac, and 230 Vac models.
Features
• High temperature rated drive system
• Reversible fail-safe spring return
• All metal housing
• Teon® insulated lead wires
• Manual override
• Mechanical range adjustment
• Multiple shaft couplings available; will accommodate
up to 1.05-inch shafts
• 15-second nominal open time
• 15-second nominal spring return time
• 24, 115 and 230 Vac models
• Assembled in the U.S.A
Options
• Optional built-in Auxiliary Switches: xed switch points
at 5º and 85º rotation
Applications
The GGD Series Spring Return Actuator is used for the
control of dampers requiring up to 142 lb.-in. (16 Nm)
driving torque. It is intended for control of UL listed
smoke control dampers or combination re/smoke HVAC
dampers. This actuator is designed to meet the 2002
revisions to the UL 555S rating up to 350°F (177°C) and
AMCA 500-D specications.
B-35
Damper Actuators
Siemens
Product Guard
PLUS 3 Warranty
www.usa.siemens.com/hvac
GGD Series Specifications
B-36
Operating Voltage ............................................................... 24 Vac ±20%
115 Vac ±15%
230 Vac ±10%
Frequency .................................................................................. 50/60 Hz
Power Consumption
Running ...................................................................................... 150 VA
Holding .......................................................................................... 10 VA
Torque
Running .....................................................................142 lb.-in. (16 Nm)
Spring Return ............................................................108 lb.-in. (12 Nm)
Minimum Stall ............................................................350 lb.-in. (39 Nm)
Runtime for 90°
Operating with motor at 60 Hz.................................15 seconds nominal
Closing (on power loss) with spring return ...........15 seconds maximum
Nominal Angle of Rotation ................................................................95°
Life Expectancy ..................................Minimum 35,000 full stroke cycles
Damper Shaft Size
Standard ........................................................ 3/8 to 1-in. (8 to 25.6 mm)
Oversized ......................................................... 1.05-in. max. (26.6 mm)
Min.Shaft Length ............................................................. 3/4-in. (20 mm)
Housing
Enclosure .................................................................................. NEMA 1
Material ............................................................Die-cast Aluminum Alloy
Temperature
Operation........................................................ 0 to 130°F (-18 to +55°C)
One time 350°F (177°C) for 1/2 hour (per UL555S)
Storage and Transport...............................-25 to +158°F (-32 to +70°C)
Humidity .......................................Maximum 95% RH, non-condensing
Agency Certications ................................................. UL listed to UL873
C-UL certied to Canadian standard
C22.2 No. 24-93
Australian EMC Framework (C-tick)
with the limits per AS/NZS 2064 1/2:1997
Pre-cabled Connection .............................................................. AWG 18
Dimensions ..................................................... 12" H x 4.76" W x 2.88" D
(305 mm H x 120 mm W x 72 mm D)
Shipping Weight
Single Pack ....................................................................7.0 lbs. (3.2 kg)
Bulk Pack ......................................................................56 lbs. (25.4 kg)
GGD Series Product Ordering
Part No.
Description Shaft Adapter
Standard Self-centering GGD121.1U GGD221.1U GGD321.1U
Standard/Bulk
Auxiliary Switches 5º and 85º
Standard Oversized GGD121.3U GGD221.3U GGD321.3U
Ordering Note Bulk packages contain 8 actuators.
Self-centering GGD121.1U/B GGD221.1U/B GGD321.1U/B
Self-centering GGD126.1U GGD226.1U GGD326.1U
24 Vac 115 Vac 230 Vac
Damper Actuators
Accessories & Service Kits
www.usa.siemens.com/hvac
B-49
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