Lochinvar Heat Pump SBN1000 User Manual

SYNC PUMP RECOMMENDATION TABLE  
Temperature Rise  
Temperature Rise  
25°F Δ T  
Head  
Temperature Rise  
30°F Δ T  
Head  
Temperature Rise  
35°F Δ T  
Head Pump  
20°F Δ T  
Boiler  
Flow  
Rate  
GPM  
55.0  
Head  
Loss  
Ft/Hd  
31.0  
Pump  
Flow  
Rate  
GPM  
44.0  
Pump  
Flow  
Rate  
GPM  
38.0  
Pump  
Flow  
Rate  
GPM  
32.0  
Loss  
Loss  
Loss  
SBN1000  
N/A  
Ft/Hd  
22.0  
PUM30001  
Ft/Hd  
18.0  
PUM30001  
Ft/Hd  
13.0  
PUM30001  
Boiler  
Flow  
Rate  
GPM  
65.0  
Head  
Loss  
Ft/Hd  
30.0  
Pump  
N/A  
Flow  
Rate  
GPM  
52.0  
Head  
Loss  
Ft/Hd  
20.0  
Pump  
Flow  
Rate  
GPM  
45.0  
Head  
Loss  
Ft/Hd  
16.0  
Pump  
Flow  
Rate  
GPM  
37.0  
Head  
Loss  
Ft/Hd  
11.0  
Pump  
SBN1300  
PUM30001  
PUM30001  
PUM30001  
Boiler  
Flow  
Rate  
GPM  
74.0  
Head  
Loss  
Ft/Hd  
33.0  
Pump  
N/A  
Flow  
Rate  
GPM  
60.0  
Head  
Loss  
Ft/Hd  
23.0  
Pump  
Flow  
Rate  
GPM  
51.0  
Head  
Loss  
Ft/Hd  
18.0  
Pump  
Flow  
Rate  
GPM  
42.0  
Head  
Loss  
Ft/Hd  
12.0  
Pump  
SBN1500  
PUM30001  
PUM30001  
PUM30001  
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.  
 

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