Refrigeration Basics Quiz March 9, 2022, 8:56 pm

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The "Other" Pressure Switch
The chart above is from a Carrier heat pump, and it lists some common accessories. I have heard this common pressure switch (last on the list) called a low-pressure switch (because it opens on fall in pressure) and a high-pressure switch (because it's in the liquid line), but RARELY do I hear it called its […]
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