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← TechnologyWhich outcome will compressor experience in HVAC system when refrigerant overcharge is coupled with liquid floodback?
A)Valve plate damage from liquid hammer✓
B)Thermal overload from increased pressure
C)Bearing failure from oil dilution
D)Stator winding breakdown from current surge
💡 Explanation
When an HVAC system is overcharged with refrigerant and experiences liquid floodback, liquid refrigerant enters the compressor causing liquid hammer because liquids are incompressible and impacting the valve plate. Therefore, valve plate damage will result, rather than overload, bearing failure, or stator winding breakdown, which depend on other effects.
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