Ignition System Operation - Whirlpool 465 User Manual

IGNITION SYSTEM OPERATION

AMPS = VOLTAGE DIVIDED BY RESISTANCE
A cold ignitor has a high resistance. When the oven control relay closes—
L1
Current flows through the ignitor and the bimetal coil.
L1
High ignitor resistance causes low current flow through the bimetal coil. As the ignitor heats up, its
resistance decreases.
OHMS LAW:
LO
OVEN CONTROL
RELAY
LO
OVEN CONTROL
RELAY
L1 LO
OVEN CONTROL
RELAY
I = E/R
OHMS
HI
IGNITOR
OHMS
HI
IGNITOR
OHMS
HI LO
IGNITOR
- 17 -
N
BIMETAL
COIL
N
BIMETAL
COIL
AMPS
HI N
BIMETAL
COIL