Lochinvar SYNC SBN1300 - Manual

SYNC PUMP RECOMMENDATION TABLE
Temperature Rise Temperature Rise Temperature Rise Temperature Rise
20°F Δ T 25°F Δ T 30°F Δ T 35°F Δ T
Boiler Flow Head Pump Flow Head Pump Flow Head Pump Flow Head Pump
Rate Loss Rate Loss Rate Loss Rate Loss
SBN1000 GPM Ft/Hd N/A GPM Ft/Hd PUM30001 GPM Ft/Hd PUM30001 GPM Ft/Hd PUM30001
55.0 31.0 44.0 22.0 38.0 18.0 32.0 13.0
Boiler Flow Head Pump Flow Head Pump Flow Head Pump Flow Head Pump
Rate Loss Rate Loss Rate Loss Rate Loss
SBN1300 GPM Ft/Hd N/A GPM Ft/Hd PUM30001 GPM Ft/Hd PUM30001 GPM Ft/Hd PUM30001
65.0 30.0 52.0 20.0 45.0 16.0 37.0 11.0
Boiler Flow Head Pump Flow Head Pump Flow Head Pump Flow Head Pump
Rate Loss Rate Loss Rate Loss Rate Loss
SBN1500 GPM Ft/Hd N/A GPM Ft/Hd PUM30001 GPM Ft/Hd PUM30001 GPM Ft/Hd PUM30001
74.0 33.0 60.0 23.0 51.0 18.0 42.0 12.0
This chart provides Pump recommendations for SYNC boilers for the Boiler Loop / Space Heating piping.
Based on specific Temperature Rises, this chart includes calculated Gallon Per Minute flow rate, calculated Foot Head Loss and recommended Pump.
The GPM, Ft/Hd and Pump selection is based on Primary / Secondary Boiler Loop piping of maximum 20 feet of straight pipe, 4 - 90° elbows and 2 - full port ball valves.
See the Installation and Operation manual for more details including pipe diameters and piping diagrams.
Reminder: The SYNC boiler requires TWO pump, one for each heating module.
The Pump recommendations listed above are for the individual heating module.