SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam

During a typical air-source heat-pump defrost cycle:

Only the crankcase heater runs The reversing valve is mechanically locked in heating for 24 hours The outdoor fan stays on high and the indoor coil is de-energized The unit reverses to cooling, the outdoor fan stops, and auxiliary heat often comes on to temper the indoor air

Correct Answer:

The unit reverses to cooling, the outdoor fan stops, and auxiliary heat often comes on to temper the indoor air

Access more questions from this quiz

Continue to SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions