David HVAC/R Evacuation Quiz May 9, 2022, 7:33 am

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Nomenclature and How to Use It
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The Diagnosis Game (and Why Van Sleeping Bothers Me)
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In HVAC systems, liquid and vapor will exist at the same time and place. We call that condition saturation, or we say that the refrigerant is “at saturation.” Phase changes occur in the evaporator and condenser, so these are spots where liquid and vapor coexist while the system is running. Saturated conditions occur whenever liquid […]
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