A.O. Smith Conventional System Piping Technical Documents
Contents
1. June 2007R A O SMITH CORP 1998 Printed in the U S A E 107 02. LA a 0 SUMUT TYPICAL PIPING FOR CONVENTIONAL SINGLE BOILER INSTALLATION APPLICATION TYPE DIAGRAM HW 300 thru HW 670 SEE INSTALLATION MANUAL FOR COMPLETE INSTRUCTIONS INSTALL IN ACCORDANCE WITH LOCAL CODES PIPE HANGERS EXPANSION TANK SYSTEM SUPPLY TANK FITTING PRESSURE si REDUCING VANER Enea BY PASS FOR 7 E VALVE FAST FILL TA AIR SEPARATOR COLD WATER _ Ri aie are f CIRCULATOR SWITCH SYSTEM RETURN LINE NETE THERALTIMETER SYSTEM NOTES e The System Pump must be sized to maintain the minimum recommended flow rate through the boiler The pump must te conti le with the boiler D operate continuous or cycle wi e boiler DRAIN VALVE The By Pass is required for systems designed to operate at flow rate higher than the maximum recommended flow rate of the boiler WATER INLET e This piping method is not recommended for systems designed to operate with return water temperatures less than 110 F See recommended piping method for Low Temperature Heating Systems A amp E Page E 112 0 PIPE RELIEF VALVE TO OPEN DRAIN 20 Temperature Rise 30 Temperature Rise 40 Temperature Rise Inlet Outlet me Sie GPM PD Fihd_ GPM PD hd GPM __ PD Ft hd HW 3000 11 23 8o 15 30 n 20 160 2 7o 15 50 or 2 so a so 1 55 a so o 30 __s o 2 ee 120 o Hwer o oo r o n o o do oaa to
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