Lincoln Impringer Conveyor Oven 1000 - Manual (Page 7)

Impinger I -–1000 Series Service Manual - Domestic 7
TIME TEMP DISPLAY Closing the Oven Fan Switch supplies 120 VAC, through the Power Transformer, to
the primary of the Time/Temp. Transformer. The secondary output of the
Transformers, 12.5to 15 VAC with a center tap, is supplies to terminals 1, 2, and3 of
the Time/Temp. Display. The display works on a balanced input, and the center tap
voltage to each leg must be 1/2 the total reading.