From header 26 {HEAD ~ the refrigerant} flows through {TAIL ~ four tubes} forming the tube circuit 32a and is passed into header 54 
From header 26 { HEAD ~ the refrigerant } flows through { TAIL ~ four tubes } forming the tube circuit 32a and is passed into header 54
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH