i.e. the signal for energizing the fourth relay X4and the fifth relay X5is produced continuously so long as the ice dispensing switch lever 11 is pressed, whereby the normally open contacts X4-1 and X5-1 of these relays are closed to energize the ice dispensing auger drive motor 10 as ...
Also, ice cube making machines having vertical, open faced freezing molds over which water is circulated from an underlying trough or sump to build up ice, as taught in U.S. Pat. No. 4,489,567, can be incorporated as the evaporator plate mentioned above. Likewise harvest controls, such ...