The defrost termination/fan delay control is a temperature-activated, single pole-double throw switch controlled with a remote sensing bulb (Fig. 1). The control can be an adjustable type. One example ...

A common problem found when troubleshooting a freezer that uses an electric heater as its supplemental heat source is a frozen evaporator coil. Although there are several possible causes for this ...

In climate-controlled works there is need for some kind of defrosting. Defrosting precludes ice formation and to thaw ice in cooling and freezing systems. The defrost control assembly mainly consists ...