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Davej Davej is offline
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Default Three pin refrigerator thermostats?

On Monday, February 11, 2019 at 1:53:44 PM UTC-6, Rod Speed wrote:
Davej wrote

Can anyone explain the internal circuit of a 3-pin
refrigerator thermostat such as a WDF-18 ? Thanks.


https://www.amazon.com/s/ref=nb_sb_n...tor+thermostat


One terminal is the common. That is connected to one or other
of the other two terminals depending on whether the temperature
is above or below the set point.


Oh, so what would a refrigerator need to apply power to when
it shuts off the compressor?