Since 1984, plate heat exchangers (PHEs) have been installed in larger heat pump systems and refrigeration systems. Knowing how they work is critical to being able to troubleshoot and service these ...

DX VAPORIZATION Plate heat exchangers have so far been used at capacities up to about 500 kW using direct expansion (DX). It is primarily the brazed PHEs used at these small capacities. Pure ...

Hydronic combinations are endless with no gas lines inside the building and associated line length restrictions.