Figure 4-6. One-pipe hot-water heating system diagram.
Figure 4-7. Two-pipe hot-water heating system diagram.
heater unit via separate return piping, elbows, and
hot-water heating system plan is illustrated in figure
tees.
4-8. (Figure 4-8 also shows electrical utility which
you may disregard for this discussion). You can see
c. Hot-Water Heating System Plans. You
that the location of the boiler, circulating pump, and
may find a separate plan for the hot-water heating
compression tank are noted. Follow the supply
system or you may find that the plan of the heating
piping from the boiler and you can see that the one-
system is incorporated with the hot and cold water
pipe system is used; however, the hot water will flow
and sewer lines on the plumbing plan. A plan of a
in two directions or loops. Each loop contains two
hot-water heating system shows you the layout of
radiators. The second radiator in each loop is larger
units, piping, accessories, and connections. A typical
than the first. The plan
167
Previous Page
