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

Bradford-White Corp Modulating Boiler, BNTH Wiring Diagrams see Figures 29 and, Brute Elite, Page

Models: Modulating Boiler BNTV BNTH

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Page 35

Brute Elite	Page 35

7.11 Wiring Diagrams (see Figures 29 and 30)

Caution

Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation. Verify proper operation after servicing

Figure 29. Ladder Diagram.

Page 35

Image 35

Bradford-White Corp Modulating Boiler, BNTH, BNTV Wiring Diagrams see Figures 29 and, Brute Elite, Page, Ladder Diagram

Contents

BRUTE ELITE Installation and Operation InstructionsDocument Installation and Operation Instructions forGeneral Information TABLE OF CONTENTSBrute Elite Control Setup and Operation SECTIONSECTION Modes of Operation SECTION MaintenanceTrouble Shooting Replacement PartsModel Nomenclature SECTION General Information1.1 Introduction 1.2 Model IdentificationFigure 2. Location of Components, Sizes Brute ElitePage Figure 1. Location of Components, SizesFigure 4. Location of Components, Size PageFigure 3. Location of Components, Size Figure 6. Location of Components, Size Brute ElitePage Figure 5. Location of Components, SizeFigure 7. Location of Components, Sizes 750 and Page1.5 Unpacking 1.4 Warranty1.6 Dimensions 1.3 Appliance OverviewDimensions are nominal and are shown in inches, cm Figure 9. Dimensional Drawing, Sizes2.1 Locating the Appliance Brute Elite is for indoor installations onlySECTION Locating the Appliance 3.1.2 Ducted Combustion Air SECTION Venting and Combustion Air3.1 Combustion Air 3.1.1 Combustion Air From RoomTable 5. Required Exhaust Vent Material 3.2 VentingFigure 10. Combustion Air and Vent Through Roof E. CPVC exhaust pipe section 80-500 not incl 3.3 Locating Vent & Combustion Air Terminals3.2.1 Venting Requirements Unique to Canada A. exhaust vent terminal not included3.3.3 Vertical Vent Terminal 3.3.5 Installations in the Commonwealth of Massachusetts3.3.2 Side Wall Combustion Air Terminal 5. For concentric vent, follow instructions included with vent kitFigure 12. Combustion Air and Vent Through Side Wall 4. Inspection 3.4 Common Vent Test2. Approved Carbon Monoxide Detectors 3. Signage3. Refer to Tables 6A, 6B, 6C and 6D to size piping SECTION Gas Supply and Piping4.1 Gas Supply and Piping Brute Elite SECTION Pump Requirements5.1 Brute Elite Boiler Flow and Head Requirements see Table 5.2 Brute Elite Water Heater Flow and Head Requirements see Table6A.2 BNTH Cold Water Make-Up SECTION 6A Water Connections - BNTH Boiler6A.1 BNTH System Piping Hot Supply Connections 1. Sentinel Performance Solutions Group 2. Hercules Chemical Company 6A.4 BNTH Suggested Piping Schematics6A.3 Freeze Protection 6A.5 Recognized ChemicalsFigure 15. Hydronic Piping - Single Boiler zoning with circulators PagePage Brute EliteFigure 17. Hydronic Piping - Multiple Boilers zoning with circulators PagePage Brute ElitePage Page Brute ElitePage Water Connections - BNTV Water Heater SECTION 6B6B.1 BNTV Water Quality 6B.2 Piping Requirements6B.6 BNTV Suggested Pumps 6B.5 BNTV Suggested Piping Schematics6B.3 Cold Water Make-Up 6B.4 Freeze ProtectionCaution Pump sizing must be based opon Brute EliteFigure 25. DHW Piping, Two Heaters, One Vertical Tank Figure 26. DHW Piping, Two Heaters, Two Vertical TanksSECTION Electrical Connections 7.1 Main Power7.3 24Vac Transformer with Integral Circuit Breaker 7.5 Outdoor Air Temperature Sensor7.10 Lead Lag/ Cascading Wiring Connections 7.2 Pump ConnectionsPage Figure 28. Lead-Lag / Cascading Wiring ConnectionsPage 7.11 Wiring Diagrams see Figures 29 andFigure 29. Ladder Diagram Brute ElitePage Figure 30. Wiring Diagram all sizes8.2 Ignition Control- Sequence of Events SECTION Brute Elite Control Setup and Operation8.1 Display Navigation 8.10 Stack Temperature 8.7 Outlet Water Temperature8.8 Inlet Water Temperature 8.9 Heat Exchanger Temperature Rise8.12.2 Lead Lag Master/Slave Selection 8.12.5 Lead Lag Base Load Setting8.13 Boiler Pump Interrupt 8.12.1 Lead Lag Setpoint9.1 Hydronic Heating Demand 9.2 Hydronic Heating with Outdoor Reset9.4 Hydronic Heating Using External Modulation Control SECTION Modes of OperationLet’s consider the following example 9.5 Hydronic Heating Using Local Lead- Lag/Cascading Feature9.7 Warm Weather Shutdown 9.8 Domestic Hot Water Demand BNTV only9.9 Domestic Hot Water Heating Using External Modulation Control 10.2.1 Burner Operation 10.2 Operating the Burner and Set UpSECTION Operating Instructions 10.1 Filling the Boiler System3. WAIT FIVE 5 MINUTES 10.2.2 Boiler Setup and Adjustment10.3 Shutting Down Brute Elite 10.4 To Restart Brute EliteFigure 33A. Brute Elite Gas Valves 285, 399 and 80-285Brute Elite Pageyearly, unless otherwise noted SECTION Maintenance11.1 System Maintenance 11.2 Appliance Maintenance and Component DescriptionIgniters and sensors get hot and can cause burns or injury 11.2.4 Ignitor Assembly11.2.5 Flame Sensor 11.2.8 Heat Exchanger Coils 11.2.6 Transformer with Integral Circuit Breaker11.2.7 Blower 12.1 Sequence of Operation SECTION Trouble Shooting12.3 Error Codes - See Table 11.2.9 Gas Pressure Switches optionalCODE# PROBLEMSOLUTION continued next pagesee Section Table 18. Error CodesBrute Elite Jacket Components - See Figure SECTION Replacement Parts13.2 Parts List 13.1 General InformationGas Train Components - See Figure Brute EliteHeat Exchanger Components - See Figure PageElectrical Components - See Figure Contact Customer Service at 800 900-9275Brute Elite Figure 35. Jacket Components PageFigure 36B. Internal Components, Sizes Brute ElitePage Figure 36A. Internal Components, SizesFigure 36C. Internal Components, Sizes PageFigure 37A. Gas Train Components, Sizes Brute ElitePage Figure 37B. Gas Train Components, Sizes PageFigure 38. Heat Exchanger Components Brute ElitePage Figure 39. Electrical Components PagePage Brute EliteAmbler, PA Tech. Service 800Service Parts 800 Warranty Service 800