When using a recovery machine manufactured after November 15, 1993, the recovery level for Type II systems containing over 200 lb of R-12 refrigerant is:
A) 0 psig. B) 4 in Hg vacuum. C) 10 in Hg vacuum. D) 15 in Hg vacuum.
Question 2
The recovery level for Type III systems using a recovery device manufactured before November 15, 1993, is:
A) 0 psig. B) 4 in Hg vacuum.
C) 25 mm absolute pressure. D) 25 in Hg vacuum.