Dunkirk XEB-4 - Forced Hot Water Piping Diagrams; Typical Piping Diagram (Figure 3); Piping Diagram with Zone Control (Figure 4)

FIG. 6 - FORCED HOT WATER TYPICAL PIPING
WITH ZONE CONTROL VALVE
FIG. 7 - PIPING ARRANGEMENTS
FOR BOILER WHEN USED IN CONNECTION
WITH REFRIGERATION SYSTEM
7