ECR International UTICA BOILERS SSV-050 Installation, Operation & Maintenance Manual page 18

5 - HYDRONIC PIPING
FIGURE 5-7A Single Boiler Using Primary/Secondary Pumping
12"(305mm)
Maximum
separation
closely spaced tees
in primary system loop
CH/System
Limit length
Pump
to
5' (1.6m)
FIGURE 5-7B Single Boiler Using Primary/Secondary Pumping With DHW Tank
Heating Load Heating Load
12"(305mm) Maximum separation
Closely spaced
tees
Heating Load
in primary
system loop
CH/System
Limit length
to
Pump
5' (1.6m)
Primary Loop Equivalent Length
Calculation & Pump Selections may
be found on pages 84 thru 87 of this
manual.
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P/N 240011340, Rev. C [09/07/2016]