The Thermostat contains a set of contacts that open and close, (see Figure
OFF
BROIL
550
500 | 450 | 400 |
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200
250 300
350
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| 300 | |
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OFF |
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| 350 |
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BROIL |
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| 400 |
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| 550 | 500 |
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| 3. Oven Temp Reached | |
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2. Oven On |
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| Pressure Expands Sensor Actuator |
| 1. Oven Off |
| Oven | ||||||
| Switch Open | Thermostat | |||||||
Shaft |
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Sensor |
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| Switch | ||||
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Actuator |
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| Contacts | ||||
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Shaft Rotates Against | & Pushes Against Switch Actuator | |||||||||||||||||||
Actuator - Switch Closes | - Switch Opens - Oven Turns Off | |||||||||||||||||||
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Sensing Bulb
| A | B | C |
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| 200˚ Heat From Oven |
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L1 | Thermostat |
| N |
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| Switch Contacts | Oven Ignitor | Safety Valve |
Figure
As the oven cools, the pressure from the sensor actuator decreases, and the thermostat contacts close. This cycling of the contacts opening & closing continues until the cooking function is complete. The electrical contacts of the thermostat complete an electrical circuit through the ignitor and safety valve to the neutral side of the
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