12
IM-BW4-5-02
[240013014 Rev. B [12/15/2020]
> LOW DESIGN WATER TEMPERATURE
SYSTEMS
> LARGE WATER CONTENT SYSTEMS
> PIPING ARRANGED FOR “POWER
PURGING” AIR OUT OF THE SYSTEM
PIPING, REFER TO THIS MANUAL’S
SECTION ON “FILLING THE SYSTEM
WITH WATER” OPTION #1
Figure 7 - Bypass Piping Arrangement Diagram
SYSTEM PIPING
Adjust two throttling valves to maintain
at least 120°F in boiler return.
Throttling valves are used for bypass
piping, if required.
