RSES CMS Heat Pumps Practice Questions - RSES CMS Heat Pump Specialist Exam

What is the primary function of the four-way reversing valve in a heat pump?

To meter refrigerant into the evaporator To reverse the direction of refrigerant flow so the system can both heat and cool To remove non-condensable gases from the system To regulate compressor oil return

Correct Answer:

To reverse the direction of refrigerant flow so the system can both heat and cool

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