ART TEC Solar Introduces Solar Differential Controller

ART TEC Solar has developed the DTC-D solar differential temperature controller, which is designed specifically for PV-powered collector circulation pumps used in solar heating systems.

This digital controller includes an internal battery backup that allows the controller to continue to display current temperatures and record maximum/minimum temperatures in the absence of solar power for several days, the company says. The controller's backlight makes it easy to read in dark utility rooms.Â

Features include max temperature shutoff, with optional over-temperature audible alarm, freeze alarm with optional freeze pumping for systems that operate from batteries, and resettable max/min display of recent temperature extremes. Front-panel controls allow easy changes to settings and manual override of the pump to on, off and auto modes, the company adds.

The new differential temperature controller will be available in November.



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