Fan Cycling

P70, P72, and P170

P70, P72, and P170 controls for high pressure applications handle cutout control, head-pressure control, and condenser fan cycling control for commercial refrigeration and air conditioning. Choose the pressure range, electrical rating, and switch configuration that fits your application.

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P77 Series

P77 Series pressure controls are precision-engineered for fan cycling pressure applications. The single-pole, double-throw switch lets you install alarms or other control circuits. Use with common refrigerants as well as air, water, and other non-corrosive fluids. Customize to your application with automatic and manual reset and numerous connection options.

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System 450™

System 450 is a family of modular, digital electronic controls, easy to assemble and set up for reliable temperature, pressure, and humidity control for a wide variety of HVAC/R, commercial process, and industrial process applications. Create application-specific systems to control temperature, pressure, humidity, or all three at once, with only a small suite of models. The System 450 can be used in a wide variety of applications, including boilers, greenhouses, refrigeration racks and condenser fan applications. See the C450 Series and P499 Series for an example of the versatility of control applications.

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