Condenser Refrigerant Flow
The flow of refrigerant is either serpentine (Fig. 2.29) or parallel flow (Fig. 2.30). Serpentine flows through the tube(s) evenly eventually condensing while following the same path.
Parallel flow allows the path of the refrigerant to go vertically as well as horizontally across the condenser. Parallel flow is considered to be the more efficient layout.The key to the design is the header tanks/manifolds fitted to the sides of the core allowing the flow to break up into small streams.