Siemens Building Technology GMA121.1U Actuator 320788-702 Common Questions: How do I

Common Questions: How do I set the valve to automatic mode

which provides superior liquid handling and revamped protection against internal motor heat

The "-1C" suffix often denotes a specific packaging or factory designation

necessitating a replacement of the module

Siemens Building Technology GMA121.1U Actuator 320788-702 Common Questions: How do IThe Siemens GMA121. 1U is a heavy duty spring return damper actuator engineered for high demand HVACR applications requiring reliable fail safe operation. Operating on 24VAC DC, this direct coupled actuator delivers a robust 62 lb in torque (7 Nm), making it an ideal choice for managing return air, mixed air, and exhaust dampers in both constant and variable air volume systems. Built with a rugged, die cast aluminum NEMA 1 housing, this unit ensures