Technical Instructions
Document No. A6V12029156
December 16, 2021
GEB Series Enhanced Rotary
Non-spring Return Damper Actuators
The OpenAir direct-coupled, 24 Vac/Vdc, non-spring return electronic actuator
is designed for modulating and combined on/off and floating control of building
HVAC dampers.
• Brushless motor technology with stall protection
• Unique self-centering shaft coupling
• Manual override
• 177 lb-in (20 Nm) torque
• 5° preload as shipped from factory
• Mechanical adjustable span between 0 and 90 degrees
• Operating voltage 24 Vac/Vdc; or 100 to 240 Vac
• Models with independently adjustable, dual auxiliary switches available
• Built-in 1/2-inch conduit connection
• UL and cUL listed, CE certified
Used in constant or variable air volume installations for the control of HVAC dampers
requiring up to 177 lb-in (20 Nm) torque.
Warning/Caution Notations
Personal injury or loss of life may occur if you do not follow a
procedure as specified.
Equipment damage may occur if you do not follow a
procedure as specified.