7
CONNECTING SUPPLy AND RETURN PIPING
Important: circulators in the following illustrations are
mounted on the system supply side, but mounting on the
system return side is also acceptable practice.
Connect supply and return piping as suggested
1.
in
Figure # 5, below. When the boiler is used in
connection with refrigerated systems:
Chilled medium
A.
MUST BE IN PARALLEL with
boiler.
Figure #5
Figure #6
Use appropriate valves to prevent chilled medium
B.
from entering heating boiler.
During the heating cycle open valves
2.
A and B, close
valves C and D.
