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Which outcome occurs when variable-frequency drive (VFD) misconfiguration damages a chiller's refrigerant pump?

A)Compressor motor winding overheating
B)Evaporator icing and freeze-up
C)Refrigerant over-pressurization condition
D)Excessive expansion valve cycling

💡 Explanation

Motor winding overheating occurs because the incorrect VFD parameters disrupt the magnetic field within the motor supplying the pump, causing excessive current flow and heat generation. Therefore, windings fail, rather than the other issues, assuming proper safety cutouts and appropriate refrigerant charge.

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