Page | Bradford-White Corp BNTH, BNTV, Modulating Boiler guide

Figure 17. Hydronic Piping — Multiple Boilers (zoning with circulators).

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BRADFORD WHITE CORP.

Figure 17. Hydronic Piping — Multiple Boilers (zoning with circulators).

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Bradford-White Corp BNTH, BNTV, Modulating Boiler warranty Page, Hydronic Piping - Multiple Boilers zoning with circulators

Contents

Installation and Operation Instructions DocumentInstallation and Operation Instructions for BRUTE ELITE TABLE OF CONTENTS Brute Elite Control Setup and OperationSECTION General Information SECTION Maintenance Trouble ShootingReplacement Parts SECTION Modes of Operation SECTION General Information 1.1 Introduction1.2 Model Identification Model Nomenclature Figure 1. Location of Components, Sizes Figure 2. Location of Components, Sizes Figure 3. Location of Components, Size Figure 4. Location of Components, Size Figure 5. Location of Components, Size Figure 6. Location of Components, Size Figure 7. Location of Components, Sizes 750 and 1.4 Warranty 1.6 Dimensions1.3 Appliance Overview 1.5 Unpacking Figure 9. Dimensional Drawing, Sizes Dimensions are nominal and are shown in inches, cm Brute Elite is for indoor installations only SECTION Locating the Appliance2.1 Locating the Appliance SECTION Venting and Combustion Air 3.1 Combustion Air3.1.1 Combustion Air From Room 3.1.2 Ducted Combustion Air 3.2 Venting Figure 10. Combustion Air and Vent Through RoofTable 5. Required Exhaust Vent Material 3.3 Locating Vent & Combustion Air Terminals 3.2.1 Venting Requirements Unique to CanadaA. exhaust vent terminal not included E. CPVC exhaust pipe section 80-500 not incl 3.3.5 Installations in the Commonwealth of Massachusetts 3.3.2 Side Wall Combustion Air Terminal5. For concentric vent, follow instructions included with vent kit 3.3.3 Vertical Vent Terminal Figure 12. Combustion Air and Vent Through Side Wall 3.4 Common Vent Test 2. Approved Carbon Monoxide Detectors3. Signage 4. Inspection SECTION Gas Supply and Piping 4.1 Gas Supply and Piping3. Refer to Tables 6A, 6B, 6C and 6D to size piping SECTION Pump Requirements 5.1 Brute Elite Boiler Flow and Head Requirements see Table5.2 Brute Elite Water Heater Flow and Head Requirements see Table Table 6A SECTION 6A Water Connections - BNTH Boiler 6A.1 BNTH System Piping Hot Supply Connections6A.2 BNTH Cold Water Make-Up 6A.4 BNTH Suggested Piping Schematics 6A.3 Freeze Protection6A.5 Recognized Chemicals 1. Sentinel Performance Solutions Group 2. Hercules Chemical Company Figure 15. Hydronic Piping - Single Boiler zoning with circulators Brute Elite Figure 17. Hydronic Piping - Multiple Boilers zoning with circulators Brute Elite Page Page Brute Elite Page Page SECTION 6B 6B.1 BNTV Water Quality6B.2 Piping Requirements Water Connections - BNTV Water Heater 6B.5 BNTV Suggested Piping Schematics 6B.3 Cold Water Make-Up6B.4 Freeze Protection 6B.6 BNTV Suggested Pumps Figure 25. DHW Piping, Two Heaters, One Vertical Tank Figure 26. DHW Piping, Two Heaters, Two Vertical TanksCaution Pump sizing must be based opon water hardness at job site 7.1 Main Power SECTION Electrical Connections 7.10 Lead Lag/ Cascading Wiring Connections 7.2 Pump Connections7.3 24Vac Transformer with Integral Circuit Breaker 7.4 Hydronic Call for Heat Figure 28. Lead-Lag / Cascading Wiring Connections 7.11 Wiring Diagrams see Figures 29 and Figure 29. Ladder Diagram Figure 30. Wiring Diagram all sizes SECTION Brute Elite Control Setup and Operation 8.1 Display Navigation8.2 Ignition Control- Sequence of Events 8.3 Modulation Control 8.5 Anti-Short Cycle ASC8.5 High Limit 8.7 Outlet Water Temperature 8.12.5 Lead Lag Base Load Setting 8.13 Boiler Pump Interrupt8.12.1 Lead Lag Setpoint 8.12.2 Lead Lag Master/Slave Selection 9.2 Hydronic Heating with Outdoor Reset 9.4 Hydronic Heating Using External Modulation ControlSECTION Modes of Operation 9.1 Hydronic Heating Demand 9.5 Hydronic Heating Using Local Lead- Lag/Cascading Feature 9.7 Warm Weather Shutdown9.8 Domestic Hot Water Demand BNTV only Let’s consider the following example 9.9 Domestic Hot Water Heating Using External Modulation Control 10.2 Operating the Burner and Set Up SECTION Operating Instructions10.1 Filling the Boiler System 10.2.1 Burner Operation 10.2.2 Boiler Setup and Adjustment 10.3 Shutting Down Brute Elite10.4 To Restart Brute Elite 3. WAIT FIVE 5 MINUTES 80-285 Figure 33A. Brute Elite Gas Valves 285, 399 andFigure 33B. Brute Elite Gas Valves 600, 750 and SECTION Maintenance 11.1 System Maintenance11.2 Appliance Maintenance and Component Description yearly, unless otherwise noted 11.2.4 Ignitor Assembly 11.2.5 Flame SensorIgniters and sensors get hot and can cause burns or injury 11.2.6 Transformer with Integral Circuit Breaker 11.2.7 Blower11.2.8 Heat Exchanger Coils SECTION Trouble Shooting 12.3 Error Codes - See Table11.2.9 Gas Pressure Switches optional 12.1 Sequence of Operation PROBLEM SOLUTIONcontinued next page CODE# Table 18. Error Codes see Section SECTION Replacement Parts 13.2 Parts List13.1 General Information Jacket Components - See Figure Gas Train Components - See Figure Heat Exchanger Components - See Figure Contact Customer Service at 800 900-9275 Electrical Components - See Figure Figure 35. Jacket Components Figure 36A. Internal Components, Sizes Figure 36B. Internal Components, Sizes Figure 36C. Internal Components, Sizes Figure 37A. Gas Train Components, Sizes Figure 37B. Gas Train Components, Sizes Figure 38. Heat Exchanger Components Figure 39. Electrical Components Brute Elite Tech. Service 800 Service Parts 800Warranty Service 800 Ambler, PA