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HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION
18
ELECTRICAL OPERATION
COMPONENT FUNCTION
POWER SWITCH.............Controls power to oven.
COOLDOWN SWITCH .........Prevents heaters from operating and allows fan to run. (On some solid state
control models, this switch is combined with the power switch)
FAN SPEED SWITCH ..........Controls speed of oven cavity blower motor. (Electric ovens)
SOLID STATE CONTROL.......Controls oven temperature.
TIMER .....................Signals end of timed baking. Does not shut heater or burner off. (Solid state
control)
ELECTRONIC CONTROL.......Controls oven temperature, cook and hold mode, pulse mode and time.
BLOWER MOTOR ............Circulates air inside oven cavity. (Contains centrifugal switch for gas ovens)
(2 speed electric ovens)
DOOR SWITCH ..............Allows heating of oven, only when the doors are closed.
TEMPERATURE PROBE .......Senses temperature of oven cavity for the solid state control and electronic
control.
SOLID STATE RELAY .........Controls power to blower motor. (Electronic Control)
TRANSFORMER..............Provides 12 and 6 VAC power. (Electronic Control)
TRANSFORMER..............Provides 24 VAC power to the spark ignition control if the centrifugal switch
(part of blower motor) is closed. (Gas Ovens)
GAS VALVE .................Allows gas to flow to burner. (Gas ovens)
SPARK MODULE .............Generates spark for burner ignition, monitors flame, controls 15 second
purge time and 10 second ignition time and power to gas valve. (Gas ovens)
POWER LIGHT...............Lit whenever the power switch is ON. (Solid state control)
HEAT LIGHT.................Lit whenever burner or heaters are operating. (Solid state control)
NO IGNITION LIGHT ..........Lit when sensor fails to detect flame. (Solid state control - Gas oven)
CONTACTOR ................Powers heater elements. (Electric ovens)
FUSE .....................Protects control circuit. (Electric ovens)