| 摘要 |
A domestic dishwasher is provided with a control system having circuitry including timer switch means adapted to insure automatic wash water at a normal set temperature for all cycles with the user having an option to preselect an elevated wash water temperature. During wash periods, power for the heater is provided through timer switch means connected through a first thermostat whereby if the water in the chamber is below its set temperature, the first thermostat will energize a heater to provide auxiliary heat to the wash water. The timer switch means is operative to stop the timer motor until the water is heated to said set temperature. Once the water reaches the minimum set temperature, or if the water supply is initially above said minimum setting the first thermostat will switch, deenergizing the heater. If an extra hot wash option is selected by an Options Selector Switch, and the water temperature is below a second thermostat's elevated set point, the timer switch means will stop the timer motor providing extended heating until the second thermostat closes upon the water reaching the elevated temperature.
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