Whirlpool 465 - Manual (Page 19)

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IGNITION SYSTEM OPERATION
OHMS LAW:
I = E/R
AMPS = VOLTAGE DIVIDED BY RESISTANCE
A cold ignitor has a high resistance. When the oven control relay closes—
IGNITOR
OVEN CONTROL
RELAY
BIMETAL
COIL
N L1
LO HI
OHMS
Current flows through the ignitor and the bimetal coil.
IGNITOR
OVEN CONTROL
RELAY
BIMETAL
COIL
N L1
LO HI
OHMS
High ignitor resistance causes low current flow through the bimetal coil. As the ignitor heats up, its
resistance decreases.
IGNITOR
OVEN CONTROL
RELAY BIMETAL
COIL
N L1 LO HI
OHMS
LO HI
AMPS