17
P/N 240010943, Rev. C [09/07/2016]
Heating Load
Heating Load
Heating Load
FIGURE 5-8B Multiple Boilers Using Primary/Secondary Pumping
5 - HYDRONIC PIPING
Limit length
to 5' (1.6m)
12"(305mm)
Maximum
separation
2
1
Up to 16
boilers
CH/
System
Pump
System
Temperature
Sensor
Size common piping
per maximum heat
capacity of entire
system
General
Boiler Pumps
on Return
Side
(See Multiple Boiler Guide)
1
2
2
2
2