{HEAD ~ Each coil} has a plurality of heat transfer circuits arranged in series when {TAIL ~ the coil} operates as a condenser, and in a parallel when the coil operates as an evaporator 
{ HEAD ~ Each coil } has a plurality of heat transfer circuits arranged in series when { TAIL ~ the coil } operates as a condenser , and in a parallel when the coil operates as an evaporator
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH