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Académie
HVAC
NATE Commercial Refrigeration Service Specialty
Compressor Diagnostics
Vérification des connaissances
Compressor Diagnostics
Vérification des connaissances
Vérification des connaissances
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A supermarket energy management system (EMS) sends a command to suspend defrost cycles on all cases for 2 hours. During this time, what refrigeration issue may develop?
A
The refrigerant charge level drops
B
The compressors increase discharge temperature
C
Progressive frost buildup on evaporator coils can restrict airflow and reduce case cooling capacity if cases are in high-humidity, high-traffic conditions
D
The condensers overheat without defrost running
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