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BRADFORD WHITE CORP.

 

 

 

 

COLD WATER

MAKE-UP

SYSTEM

RETURN

C

SYSTEM PUMP

PUMP LOCATION FOR

NON-PUMP-MOUNTED UNITS

PUMP LOCATION FOR PUMP-MOUNTED UNITS

CAUTION: THIS DRAWING SHOWS SUGGESTED

PRIMARY/SECONDARY MANDITORY FOR ALL

VARIABLE FLOW SYSTEMS

PIPING CONFIGURATION AND VALVING, CHECK

 

WITH LOCAL CODES AND ORDINANCES FOR

INSTALL AIR VENTS AT HIGH POINTS IN SYSTEM

ADDITIONAL REQUIREMENTS.

 

PIPING & SIZING OF EXPANSION TANK

PER TANK MANUFACTURER'S INSTRUCTIONS

SYSTEM SUPPLY

LEGEND

THERMOMETER

TEMPERATURE PURGE

SENSOR VALVE GLOBE VALVE

CHECK VALVE

PRESSURE REDUCING VALVE W/ FAST FILL BYPASS

EXPANSION TANK

WITH AIR SCOOP AND AUTO AIR VENT

3-WAY VALVE

VALVE

PUMP

DIMENSION "C" (COMMON PIPING) TO BE FOUR PIPE DIAMETERS, MAX. (NO ELBOWS OR VALVES)

BOILER CIRCUIT PIPING MUST BE EQUAL

TO BOILER WATER CONNECTION SIZE

BOILER CIRC. PUMP SIZED FOR FLOW THROUGH BOILER

DOTTED DEVICES INDICATE ALTERNATE LOCATIONS

PUT BOILER CONTROL SENSOR IN THE SYSTEM SUPPLY WHEN USING THIS PIPING STYLE.

MINIMUM BOILER INLET WATER TEMPERATURE MUST BE AT LEAST 120°F.

Figure 7. Hydronic Piping - Primary-Secondary, Reverse-Return.

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Image 18
Bradford-White Corp BWCV, BWCH, Copper Brute II Hydronic Boiler warranty Hydronic Piping Primary-Secondary, Reverse-Return