Roll Out Switch Diagnosis

On this Saturday call I respond to a no heat where I had to perform a roll out switch diagnosis. The roll out switch tripped and I had to figure out why.

In this video we discuss how to check evaporator superheat using testo smart probes in a walk-in cooler. Checking superheat at each evaporator on a multi evaporator system is important to system performance.

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Видео Roll Out Switch Diagnosis канала HVAC Know It All