Dunkirk Helix VX Vertical Laser Tube Wall Hung Stainless Steel Modulating Condensing Boiler - Manual (Page 18)

18
Heating Load Heating Load
Heating Load
CH/System
Pump
12"(305mm) Maximum separation
Closely spaced
tees
in primary
system loop
FIGURE 5-7A Single Boiler Using Primary/Secondary Pumping
FIGURE 5-7B Single Boiler Using Primary/Secondary Pumping With DHW Tank
CH/System
Pump
closely spaced tees
in primary system loop
Limit length
to
5' (1.6m)
12"(305mm)
Maximum
separation
Limit length
to
5' (1.6m)
5 - HYDRONIC PIPING
Primary Loop Equivalent Length
Calculation & Pump Selections may
be found on pages 84 thru 87 of this
manual.