Siemens Building Technology GCA226.1U Actuator R-22 Is the HH12ZA211 a manual
Baker’s notes & crumb story
Description
Is the HH12ZA211 a manual or auto-reset switch
the Trane XR203 is backward compatible and can be configured to manage single-stage systems
Always match the nameplate RPM to avoid overloading the motor
This kit is compatible with the Apollo-Conbraco 40-200 series
Siemens Building Technology GCA226.1U Actuator R-22 Is the HH12ZA211 a manualThe Siemens GCA226. 1U is a heavy duty OpenAir electronic damper actuator engineered for precise two position control in commercial HVAC systems. Operating on a 120V AC power supply, this spring return actuator delivers a robust 160 lb in torque (18 Nm), making it the professional choice for managing large dampers in air handling units, mixed air sections, and exhaust systems. The integrated dual auxiliary switches provide critical end stop feedback