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

Figure 28. Lead-Lag / Cascading Wiring Connections.

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BRADFORD WHITE CORP.

Figure 28. Lead-Lag / Cascading Wiring Connections.

Image 34

Bradford-White Corp BNTV, BNTH, Modulating Boiler warranty Page, Lead-Lag / Cascading Wiring Connections

Contents

Installation and Operation Instructions for Installation and Operation InstructionsDocument BRUTE ELITE SECTION TABLE OF CONTENTSBrute Elite Control Setup and Operation General Information Replacement Parts SECTION MaintenanceTrouble Shooting SECTION Modes of Operation 1.2 Model Identification SECTION General Information1.1 Introduction 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 1.3 Appliance Overview 1.4 Warranty1.6 Dimensions 1.5 Unpacking Figure 9. Dimensional Drawing, Sizes Dimensions are nominal and are shown in inches, cm SECTION Locating the Appliance Brute Elite is for indoor installations only2.1 Locating the Appliance 3.1.1 Combustion Air From Room SECTION Venting and Combustion Air3.1 Combustion Air 3.1.2 Ducted Combustion Air Figure 10. Combustion Air and Vent Through Roof 3.2 VentingTable 5. Required Exhaust Vent Material A. exhaust vent terminal not included 3.3 Locating Vent & Combustion Air Terminals3.2.1 Venting Requirements Unique to Canada E. CPVC exhaust pipe section 80-500 not incl 5. For concentric vent, follow instructions included with vent kit 3.3.5 Installations in the Commonwealth of Massachusetts3.3.2 Side Wall Combustion Air Terminal 3.3.3 Vertical Vent Terminal Figure 12. Combustion Air and Vent Through Side Wall 3. Signage 3.4 Common Vent Test2. Approved Carbon Monoxide Detectors 4. Inspection 4.1 Gas Supply and Piping SECTION Gas Supply and Piping3. Refer to Tables 6A, 6B, 6C and 6D to size piping 5.2 Brute Elite Water Heater Flow and Head Requirements see Table SECTION Pump Requirements5.1 Brute Elite Boiler Flow and Head Requirements see Table Table 6A 6A.1 BNTH System Piping Hot Supply Connections SECTION 6A Water Connections - BNTH Boiler6A.2 BNTH Cold Water Make-Up 6A.5 Recognized Chemicals 6A.4 BNTH Suggested Piping Schematics6A.3 Freeze Protection 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 6B.2 Piping Requirements SECTION 6B6B.1 BNTV Water Quality Water Connections - BNTV Water Heater 6B.4 Freeze Protection 6B.5 BNTV Suggested Piping Schematics6B.3 Cold Water Make-Up 6B.6 BNTV Suggested Pumps Caution Pump sizing must be based opon Figure 25. DHW Piping, Two Heaters, One Vertical TankFigure 26. DHW Piping, Two Heaters, Two Vertical Tanks water hardness at job site 7.1 Main Power SECTION Electrical Connections 7.3 24Vac Transformer with Integral Circuit Breaker 7.10 Lead Lag/ Cascading Wiring Connections7.2 Pump Connections 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 8.1 Display Navigation SECTION Brute Elite Control Setup and Operation8.2 Ignition Control- Sequence of Events 8.5 High Limit 8.3 Modulation Control8.5 Anti-Short Cycle ASC 8.7 Outlet Water Temperature 8.12.1 Lead Lag Setpoint 8.12.5 Lead Lag Base Load Setting8.13 Boiler Pump Interrupt 8.12.2 Lead Lag Master/Slave Selection SECTION Modes of Operation 9.2 Hydronic Heating with Outdoor Reset9.4 Hydronic Heating Using External Modulation Control 9.1 Hydronic Heating Demand 9.8 Domestic Hot Water Demand BNTV only 9.5 Hydronic Heating Using Local Lead- Lag/Cascading Feature9.7 Warm Weather Shutdown Let’s consider the following example 9.9 Domestic Hot Water Heating Using External Modulation Control 10.1 Filling the Boiler System 10.2 Operating the Burner and Set UpSECTION Operating Instructions 10.2.1 Burner Operation 10.4 To Restart Brute Elite 10.2.2 Boiler Setup and Adjustment10.3 Shutting Down Brute Elite 3. WAIT FIVE 5 MINUTES Figure 33A. Brute Elite Gas Valves 285, 399 and 80-285Figure 33B. Brute Elite Gas Valves 600, 750 and 11.2 Appliance Maintenance and Component Description SECTION Maintenance11.1 System Maintenance yearly, unless otherwise noted 11.2.5 Flame Sensor 11.2.4 Ignitor AssemblyIgniters and sensors get hot and can cause burns or injury 11.2.7 Blower 11.2.6 Transformer with Integral Circuit Breaker11.2.8 Heat Exchanger Coils 11.2.9 Gas Pressure Switches optional SECTION Trouble Shooting12.3 Error Codes - See Table 12.1 Sequence of Operation continued next page PROBLEMSOLUTION CODE# Table 18. Error Codes see Section 13.1 General Information SECTION Replacement Parts13.2 Parts List 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 Warranty Service 800 Tech. Service 800Service Parts 800 Ambler, PA