Data Sheet for Product

Submittal Sheet
Document No. 154-004P25
January 25, 2011
OpenAir™ GMA Series, Spring Return, 24 Vac/dc and 120 Vac,
62 lb-in, Direct-Coupled Electronic Damper Actuators
Siemens Building Technologies, Inc.
Product
Number
Operating
Voltage
Control Cables
Built-In Control
Options
24 Vac ±20% 24 Vdc ±15% 120 Vac ±10%
Modulating 0 to 10 Vdc Modulating 2 to 10 Vdc
Floating 2-position Standard Plenum Position Feedback Dual Auxiliary Switches Offset 0 to 5 Vdc Span 2 to 30 Vdc Input Signal Inversion (Direct or Inverse Acting)
Feedback Signal Inversion
GMA121.1U ● ● ●
GMA121.1P/B ● ● ●
GMA121.1P ● ● ●
GMA126.1U ● ● ● ●
GMA126.1P ● ● ● ●
GMA221.1U ● ● ●
GMA226.1U ● ● ● ●
GMA131.1U ● ● ●
GMA131.1P ● ● ●
GMA132.1U ● ● ● ●
GMA136.1U ● ● ● ●
GMA151.1U ● ● ● ● ●
●
GMA151.1P ● ● ● ● ●
●
GMA156.1U ● ● ● ● ● ● ●
GMA156.1P ● ● ● ● ● ● ●
GMA161.1U ● ● ● ●
GMA161.1P ● ● ● ●
GMA163.1U ● ● ● ● ●
GMA163.1P ● ● ● ● ●
GMA164.1U ● ● ● ● ● ●
GMA166.1U ● ● ● ● ●
GMA166.1P ● ● ● ● ●
Technical Data
Runtime for 90°: 90 sec. operating
Spring Return: 15 sec. typical (<60 seconds max. at –25°F (–32°C))
Frequency: 50/60 Hz
Power consumption: 24 Vac/dc
Running: 5 VA/3.5W
Holding: 4 VA/3W
Power Consumption: 120 Vac
Running and holding:
<7 VA/5W
Equipment rating (24V): Class 2 per UL/CSA
Angle of rotation: 90° nominal, 95° max.
Shaft dimensions: 1/4 to 3/4-in. (6.4 to 20.5 mm) dia.,
1/4 to 1/2-in. (6.4 to 13 mm) sq.,
1-in. (25.4 mm) min. length
Operating temperature: -25°F to 130°F (-32°C to 55°C)
Storage temperature: -40°F to 158°F (-40°C to 70°C)
Ambient humidity: 95% rh (non-condensing)
Description
The OpenAir direct-coupled, spring return
electronic damper actuators provide modulating,
two-position and three-position control of building
HVAC dampers.
Features
• Brushless motor technology
• Bi-directional fail-safe spring return
• Unique self-centering shaft coupling
• Models available with dual, independently
adjustable auxiliary switches
• Floating control models available with
feedback potentiometer
• All modulating control types include built-in
feedback capability
• All metal housing
• Manual override
• Mechanical range adjustment capability
• Easily visible position indicator
• Precabled
• UL60730 (to replace UL873) and
cUL (C22.2 No. 24-93) listed
conformance
• Small actuator footprint with 62 lb-in of torque
• 24 Vac/dc compatible