Siemens Building Technology GMA156.1P Actuator 320788-703 it likely requires replacement

it likely requires replacement

At an ambient temperature of 75°F

As a high-amperage 240V-277V heating control

What type of valves does this actuator support

Check for 120V at the 3-pin high voltage socket and verify the PWM signal at the 5-pin low voltage socket

Siemens Building Technology GMA156.1P Actuator 320788-703 it likely requires replacementThe Siemens Building Technology GMA156. 1P Actuator is a heavy duty OpenAir GMA Series solution designed for critical airflow control. Engineered for modulating control, this spring return damper actuator delivers 62 lb in (7 Nm) of torque, providing reliable operation for HVAC damper control in VAV systems, return air, and exhaust applications. Operating on 24V AC DC, it features a 2 to 10 Vdc control signal with integrated position feedback and dual