7
CONNECTING SUPPLY AND RETURN PIPING
Circulators in the following illustrations are mounted on
system supply side, mounting on system return side is also
acceptable practice.
1.
Connect supply and return piping as suggested in
Figure 6
.
When boiler is used in connection with
refrigerated systems:
A. Chilled medium
MUST BE IN PARALLEL
with
boiler.
Figure 6 Boiler Used In Connection With Refrigerated System
B. Use appropriate valves to prevent chilled medium
from entering heating boiler.
2.
During the heating cycle open valves
A
and
B
, close
valves
C
and
D
.
Figure 7 Bypass Piping Typically Used With Baseboard Heating
