Bradford-White Corp BWCV, BWCH warranty Hydronic Piping Primary-Secondary, Reverse-Return

Page 18

Page 18	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.

Image 18

Contents Copper Brute Table of Contents Replacement Parts MaintenanceTrouble Shooting Operating InstructionsGeneral Information IntroductionModel Identification Warranty DimensionsLocating the Appliance Dimensional Data Inches 91cm horizontally Combustion Air From Room Venting and Combustion AirCombustion Air Intake Combustion AirCategory I Vent VentingVent Categories Common Venting SystemsCombustion Air and Vent Through Side Wall Side Wall Vent Terminal Locating Vent & Combustion Air TerminalsCategory III Vent Side Wall Combustion Air TerminalVertical Vent Terminal Common Vent Test BoilersVent Terminals for Outdoor Units Vertical Combustion Air TerminalGas Supply and Piping 61-91m4A.2 Cold Water Make-Up Boiler Water Connections Copper Brute II Boiler4A.1 Heating System Piping Hot Supply Connections Boiler 4A.3 Water Flow Requirements BoilerHydronic Piping Multiple Boilers, Primary Secondary System Hydronic Piping Multiple Boilers, Low Temperature System Hydronic Piping One Boiler, Multi-Temperature System Hydronic Piping Primary-Secondary, Reverse-Return Boiler CIRC. Pump Sized for Flow Through Boiler 4B.2 Hot Water Supply Piping Water Heater Water Connections Copper Brute II Water Heater4B.1 Water System Piping Water Heater 4B.3 Water Flow Requirements Water Heater4B.5 Freeze Protection Water Heater SupplyWater Heater Piping Multiple Heaters, One Tank Water Heater Piping Multiple Heaters, Multiple Tanks Main Power Temperature ControlElectrical Connections Field Wiring Panel External Staging Control Wiring AvertissementCopper Brute II 500 750 Ladder Diagram Copper Brute II 1000 Ladder Diagram Copper Brute II 1250 2000 Ladder Diagram Copper Brute II 500 1000 Wiring Schematic Copper Brute II 1250 1500 Wiring Schematic Copper Brute II 1750 2000 Wiring Schematic Terminal designations are as indicated Field Wiring for Modes 1 Avertissement Operating Instructions Sequence of OperationFilling the Boiler System System Piping Primary Secondary Piping Programming the Temperature ControlChoosing the Mode Parallel PipingFor ALL Other Modes Hydronic Primary/Secondary Mode Choosing the Mode for your Application Mechanical aquastat in a domestic hot water storage tankMode 5 Primary secondary piping with outdoor reset Staging Mode Advanced TopicsDifferential Boiler Maximum Boil MAX Boiler Target TemperatureBoiler Minimum Boil MIN Pump OperationOutdoor Reset Operation Setpoint OperationDedicated Domestic Hot Water Typical Gas Train Configuration Set Up for 0 to 2500 Feet Altitude Operating the Burner and Set UpAdvanced Programming Mode External Boiler OperationHigh Altitude Adjustment and Set Up Shutting Down the Copper BruteTo Restart the Copper Brute Maintenance System MaintenanceAppliance Maintenance Component Description Ignition Controls Temperature ControlFlow Switch IgnitorsBradford White Corp Trouble Shooting Troubleshooting the Temperature Control Troubleshooting Copper Brute ControlsCopper Brute II 500 Troubleshooting Error Codes Replacement Parts Parts ListSee Figures 35 Heat Exchanger Components Electrical Components Gas Train Components Burner Manifold Assy, 4 Burners, Left, LP For reference Internal Components Copper Brute II Hydronic Electrical Components H2214401F

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