Manuals / Brands / Household Appliance / Water Heater / Bradford-White Corp / Household Appliance / Water Heater

Bradford-White Corp BWCH, BWCV, Copper Brute II Hydronic Boiler Note: Positions of eld wiring terminals may vary, but , terminal designations are as indicated.

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Page 34 BRADFORD WHITE CORP.

Figure 23. Field Wiring for Modes 1 - 5.

Note: Positions of eld wiring terminals may vary, but terminal designations are as indicated.

TSTAT TSTAT

1C 1NO2C2NO 3C 3NO

SETD COMDHTD HTOUT4C4NO

INSSC1 OUTSODS SC2 SUPS

COM NO NOCOM ALRM ALRM

COM NO NC LWCO

GND PMPPMP

LWCO OTHERINTS

FLOWSWITCH

TERMINALSTRIP

MODE1 MODE2

MODE3 MODE4

MODE5

COMD HT D COMD HTD

COMD HTD

SETD

COMD HTD

SETD

SC2 SUP S

BOILERIN

BOILEROUT

LWCO

FLOW

SWITCH

ABOVEDIAGRAM SHOWS WIRING COMMONTOALL

CONTROLMODES.

SC2 SUP S

ODSSC2

DHW

TSTAT HTING

TSTAT

OUTDOOR

SENSOR

BOILERSUPPLY

SENSOR

DHWSENSOR

DHW

TSTAT HTING

TSTAT

ODSSC2 SUPS

SUPPLY

SENSOR

OUTDOOR

SENSOR

FACTORY

JUMPER

***FACTORYJUMPER

Contents

Main Installation and Operation Instructions Document 1270 Copper Brute II Installation and Operation Instructions for 238-50605-00A REV 12/13 TABLE OF CONTENTS SECTION 6. Operating Instructions SECTION 7. Maintenance SECTION 8. Trouble Shooting SECTION 9. Replacement Parts SECTION 1. General Information 1.1 Introduction 1.2 Model Identication 1.3 Warranty 1.4 Dimensions 1.5 Locating the Appliance Page 1.6 Locating Pump-Mounted Water Heater with Respect to Storage Tank(s) 1.7 Locating Pump-Mounted Boiler with Respect to Return/Supply Header 1.8 Locating Appliance for Correct Horizontal Vent/Ducted Air Distance From Outside Wall SECTION 2. Venting and Combustion Air 2.1 Combustion Air 2.2 Venting Figure 3. Combustion Air and Vent Through Side Wall. 2.3 Locating Vent & Combustion Air Terminals 2.4 Common Vent Test Boilers 2.5 Vent Terminals for Outdoor Units SECTION 3. Gas Supply and Piping 3.1 Gas Supply and Piping SECTION 4A. Water Connections Copper Brute II Boiler 4A.1 Heating System Piping: Hot Supply Connections Boiler 4A.2 Cold Water Make-Up Boiler 4A.3 Water Flow Requirements Boiler 4A.4 Freeze Protection Boiler Page Figure 5. Hydronic Piping Multiple Boilers, Low Temperature System. COPPER BRUTE II (500 - 2000) Figure 6. Hydronic Piping One Boiler, Multi-Temperature System. Figure 7. Hydronic Piping - Primary-Secondary, Reverse-Return. COPPER BRUTE II (500 - 2000) Figure 8. Hydronic Piping - Primary-Secondary, Reverse-Return, Low Temperature. SECTION 4B. Water Connections Copper Brute II Water Heater 4B.1 Water System Piping Water Heater 4B.2 Hot Water Supply Piping Water Heater 4B.3 Water Flow Requirements Water Heater 4B.4 Combined Water Heating (potable) and Space Heating Water Heater 4B.5 Freeze Protection Water Heater Page Page SECTION 5. Electrical Connections 5.1 Main Power 5.2 Temperature Control Page 5.3 External Staging Control Wiring Page Page Page Page Page Page Page Note: Positions of eld wiring terminals may vary, but Figure 23. Field Wiring for Modes 1 - 5. terminal designations are as indicated. TERMINALSTRIP MODE1 MODE2 MODE3 MODE4 WARNING SECTION 6. Operating Instructions 6.1 Sequence of Operation 6.2 Filling the Boiler System 6.3 Programming the Temperature Control Page Page Page Page 6.4 Advanced Topics Page Page Page 6.5 Operating the Burner and Set Up 6.6 Shutting Down the Copper Brute II 6.7 To Restart the Copper Brute II SECTION 7. Maintenance 7.1 System Maintenance 7.2 Appliance Maintenance and Component Description Page Page 8.4 Short Cycling Water Heater 8.5 High Gas Consumption SECTION 8. Trouble Shooting 8.1 Resolving Lockouts 8.2 Delayed Ignition Possible Causes 8.3 Short Cycling Boiler 8.6 Troubleshooting the Temperature Control 8.7 Troubleshooting Copper Brute II Controls Page SECTION 9. 9.1 General Information Replacement Parts 9.2 Parts List