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7.4 Convection Cooking
1. The Digital Programmer Circuit operates the power relays RY3, RY5 and RY6 in the sequence illustrated
below.
2. When the oven reaches a predetermined temperature the digital programmer circuit stops supplying power
to the relay RY5, resulting in the convection heater turning off.
3. When the temperature drops below the predetermined temperature, the digital programmer circuit supplies
power to the relay RY5 resulting in the convection heater turning on.
Note:
After the convection process, if the oven temperature is higher than the predetermined temperature,
the fan motor rotates to cool the electronic components and th oven.
Convection Cooking Duty Cycles