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Thermostat Cut-Out
1. Function
• This is a bimetal-type switch which protects the heater from overheating.
• If the heater is overheated abnormally, this thermostat cuts off the heater
PERMANENTLY.
• Note that this thermostat is NON-RESETTABLE; if it is opened, it should be
replaced by new one.
2. Specification
• A bimetal thermostat with the terminals normally connected
• Electric rating : 25A at 125V
• Opening temperature : 140±5°C, Closing temperature : -35°C
• Type name : PW-3N
3. Checking method of mal-function
• If temperatures are normal, the switch is not opened.
• If the switch is opened (the resistance between the terminals is 100M or higher), replace it.
• Note) The switch is resettable under -35°C but the temperature can not be achieved in a household
refrigerator.
4. Procedure of replacement
1 Remove the back cover.
2 Check the position of the part.
3 Remove the wires and screws to disassemble the part.
4 Assemble the parts in reverse order.
Part Code : 3619047800
Thermostat Cut-out
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