When recovering the remaining R-134a refrigerant from the centrifugal chiller shown in the illustration as a vapor using the recovery unit's compresso...

Question

When recovering the remaining R-134a refrigerant from the centrifugal chiller shown in the illustration as a vapor using the recovery unit's compressor, in addition to opening valves "1a", "1b", and the compressor suction and discharge isolation valves, which of the following would be the correct valve lineup? See Illustration GS-RA-28

Accepted Answer

valves "3", "4", and "6" open; valves "2", "5", "7", "8", and "10" closed

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