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← ScienceWhich outcome occurs when the evaporator coil temperature plummets in a heat pump?
A)Pressure drop causes coil icing✓
B)Condenser coil superheating decreases
C)Compressor motor experiences increased back-pressure
D)Low-pressure refrigerant condenses prematurely
💡 Explanation
Coil icing occurs because the dew point rises on the fins and water forms on the lowered temperature evaporator core because the decreased coolant temp causes heat transfer that results in water condensing faster promoting ice deposits, therefore icing results rather than reduced performance.
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