Dunkirk DKVLT-050 Installation, Operation & Maintenance Manual page 20

5-8C Multiple Boilers Using Primary/Secondary Pumping with Open External Primary Loop
12"/305mm
Maximum
Separation
CH/System
Pump
5 - HYDRONIC PIPING
12"/305mm Maximum Separation
Existing closely spaced tees
System
Temperature
Sensor
Up to 16
boilers
20
in primary system loop
Size common piping
per maximum heat
capacity of entire
length to
5' (1.6m)
Heat exchanger
ball valve open
(as shipped)
3/8"/10mm Open
End Wrench may
be required to turn
valve
system
Limit