Many of the older fractional horsepower refrigeration systems, such as reach-in coolers or prep table coolers, use a mechanical constant cut-in control to regulate the air temperature within the case.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. (NEXSTAR) – As the temperatures drop, the ...

Conventional thermostats are based on separate temperature sensor and heater devices with means for feedback between them. But in some recent EDN design ideas (DIs) we’ve seen thermostat designs that ...