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Académie
Refrigeration & AC
EPA 608 Certification
The Refrigeration Cycle & Components
Vérification des connaissances
The Refrigeration Cycle & Components
Vérification des connaissances
Vérification des connaissances
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Under which circumstances should a system's liquid line filter-drier be replaced?
A
Every 5 years as part of routine maintenance
B
Only when the pressure drop across the drier exceeds 10 psig
C
Whenever the system has been opened to the atmosphere or after a compressor burnout
D
Only when the system shows signs of moisture contamination
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