When purging a refrigeration gauge manifold using system pressure as the source of refrigerant for purging, which of the fittings listed is normally tightened LAST?
A
the low-pressure hose fitting at the gage manifold low-pressure connection
B
the high-pressure hose fitting at the discharge service valve service port
C
the high-pressure hose fitting at the gage manifold high-pressure connection
D
the low-pressure hose fitting at the suction service valve service port
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Question 1 / 205eccef9dbacbc34ba4d460c5
Question 1 of 205eccef9dbacbc34ba4d460c5
When purging a refrigeration gauge manifold using system pressure as the source of refrigerant for purging, which of the fittings listed is normally tightened LAST?
When purging a refrigeration gauge manifold using system pressure as the source of refrigerant for purging, which of the fittings listed is normally tightened LAST?