Ports 23, 24 direct the flow of the vaporized refrigerant to {HEAD ~ suction line} 19 of {TAIL ~ compressor} 10 
of
Ports 23 , 24 direct the flow of the vaporized refrigerant to { HEAD ~ suction line } 19 of { TAIL ~ compressor } 10
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL OTH