InstallationQuestion 35 of 110
What is the function of the reversing valve in a heat pump?
a.To meter refrigerant into the evaporator
b.To change the direction of refrigerant flow between heating and cooling
c.To drain condensate
d.To regulate gas pressure
Explanation
The reversing valve redirects refrigerant flow so the same equipment can both heat and cool by switching which coil is the condenser and which is the evaporator. It is energized or de-energized depending on the manufacturer's design. A stuck valve is a common heat-pump service issue.
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