The pressure, in a low pressure refrigeration system about to be opened for a major repair, should be brought to what value before the system can be opened for repairs if the recovery unit was manufactured on or after Nov. 15, 1993?
A
10 to 12 psig
B
4 to 7 psig
C
0 to 1 psig
D
25 mm of Hg absolute
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Question 1 / 205eccef9dbacbc34ba4d460fd
Question 1 of 205eccef9dbacbc34ba4d460fd
The pressure, in a low pressure refrigeration system about to be opened for a major repair, should be brought to what value before the system can be opened for repairs if the recovery unit was manufactured on or after Nov. 15, 1993?
The pressure, in a low pressure refrigeration system about to be opened for a major repair, should be brought to what value before the system can be opened for repairs if the recovery unit was manufactured on or after Nov. 15, 1993?