Electrical Projects In this category fall many of the broiler / baker / toaster ovens now on the market. Electrically these units consist of a thermostat and one or two heating elements. Some of them contain a motor to rotate a spit as well. The rotisserie may encompasses a timer in addition to a thermostat and two heating elements.

You should note that all current must pass through the timer—hence the timer must be on in order for any portion of the rotisserie to function.

A bake button controls the lower element and a grill button controls the upper element. A rotis button operates the drive motor and upper element, and the temperature knob controls the thermostat. Consider a unit rated at 115V, 1500W. it draws 1200W on the lower element and 1350W on the upper element.

Begin by making an operational test. Remove the griddle and tray so that the elements can be observed. Place an oven thermometer on the rack in the center of the oven. Then close the front and lid doors. Turn the timer on and engage the bake button. Set the temperature control knob to 300°F. The indicator light should go on to indicate power to the element. When the light goes off, the cycle is completed. After several cycles, the temperature reading should be between 275° and 320°F. There can be an overshoot of 100° on the first cycle. If an adjustment is required, turn the control knob to the correct temperature range, loosen the set screw in the knob, and position the knob at 300°F. As a double-check, make an additional temperature test at 450°F.




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Home > Electrical Projects > Repairs > Electric Rotisserie

October 13, 2008