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Engine : Refrigeration AC - 980/610
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As shown in the illustrated flow diagram for a self-contained recovery unit designed for the recovery of refrigerants from high pressure appliances as defined by the EPA Clean Air Act rules, what is the functional purpose of the item labeled "FS2"? Illustration GS-RA-32
A) It automatically shuts down the recovery unit compressor when the recovery cylinder becomes 80% full.
B) It automatically shuts down the recovery unit compressor when the discharge pressure becomes excessive.
C) It automatically shuts down the recovery unit compressor when the refrigeration system has reached a depth of 15" Hg.
D) It automatically transitions the recovery unit from the direct liquid recovery mode to the direct vapor recovery mode.
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