NV C-37 Solar Practice Questions - Nevada C-37 Solar Contractor Examination Exam

On a closed glycol C-37 loop, FSEC prefers the circulator on which side of the heat exchanger, and why?

Pumping into the collectors from the cooler exchanger outlet so the pump sees lower temperature and the array is slightly pressurized Pumping only through the T&P discharge Mounted above the collectors so it runs dry in summer On the potable fixture line so it also boosts shower pressure

Correct Answer:

Pumping into the collectors from the cooler exchanger outlet so the pump sees lower temperature and the array is slightly pressurized

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