Siemens Building Technology SSD61.5U Actuator 326058-756 620 BTU/hr and is optimized

620 BTU/hr and is optimized for use with R404A refrigerant

provided the shaft diameter is compatible

Simplified Calibration: Factory-calibrated resistance values ensure immediate compatibility with Alco controllers without extensive field adjustment

reliable arc is essential for preventing delayed ignition and nuisance lockouts in industrial heating environments

or the system cycling on and off rapidly (short-cycling) due to a flame sensing error

Siemens Building Technology SSD61.5U Actuator 326058-756 620 BTU/hr and is optimizedThe Siemens SSD61. 5U is a high performance 0 10Vdc electronic valve actuator engineered for precise proportional control in HVAC applications. Designed for seamless integration with 1 2 inch to 1 1 4 inch Pressure Independent Control Valves (PICV), this unit delivers a nominal force of >56 lbs (250N) to ensure reliable operation in chilled and hot water systems. A critical feature of the SSD61. 5U is its spring return fail safe mechanism, which