Sullair – RD Refrigerated Digital Cycling


The Sullair Refrigerated Digital (RD) compressed air dryer uses a digital controller to cycle the dryer on and off based on pre-determined dew point settings. By choosing an RD series dryer a significant amount of energy and energy cost can be saved. The RD controller offers many great features such as economy mode on/off capabilities, visability of run time hours, and several monitoring capabilities.

The RD dryer also includes an option for remote monitoring capabilities beyond standard alarm contacts.

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