Siemens Building Technology GCA226.1U Actuator R-22 " this board provides the

" this board provides the necessary diagnostic logic to restore system integrity

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

Is the HH12ZA211 a manual or auto-reset switch

Operating at a fixed 900 RPM

Siemens Building Technology GCA226.1U Actuator R-22 " this board provides theThe 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