Bradford-White Corp BNTV SECTION Brute Elite Control Setup and Operation, Display Navigation

Page 37
SECTION 8.

Brute Elite

Page 37

 

 

SECTION 8.

Brute Elite Control Setup

and Operation

The Brute Elite control is an integrated electronic control that replaces many of the individual components found on older appliances. The control acts as the ignition control, pump control, high limit and cascading/ lead lag control and is setup using the display on the appliance.

Once the value is adjusted the NEXT or DONE button can be pressed. The DONE button returns you to the Home screen. The NEXT button increments the display to the next item in the menu structure.

USER mode is the home screen shown on the control. If the display is not in USER mode wait for the display timeout period to be reached or press the Done button to return to the USER menu.

SETUP mode is accessed by holding the up and down arrow keys simultaneously for 3 seconds.

DIAGNOSTIC mode is accessed by holding the NEXT button for 3 seconds.

Figure 31. Control Buttons on User Interface.

8.1 Display Navigation

The display is divided into three menu structures, USER, SETUP and DIAGNOSTIC. The menu structure and variables in each are shown in Tables 12-14. Once in a particular menu structure navigation consists of pressing the next button to scroll from item to item and then pressing the up and down arrows to change values.

MENU ITEM

FUNCTION

RANGE

DEFAULT

Outlet water

Displays the current outlet

55-190°F

120°F

temperature

water temperature & allows

 

 

 

the setpoint to be adjusted

 

 

Inlet water

Displays the current inlet

—

—

temperature

water temperature

 

 

Delta T

Displays the current

—

—

 

temperature rise across

 

 

 

the heat exchanger

 

 

DHW water

Displays the current DHW

60-182°F

120°F

temperature

temperature & allows the

 

 

 

setpoint to be adjusted

 

 

Stack

Displays the current stack

—

—

temperature

temperature

 

 

Outdoor

Displays the current outdoor

—

—

temperature

air temperature

 

 

LL

Displays the current system

60-190°F

120°F

 

temperature and allows the

 

 

 

setpoint to be adjusted

 

 

Firing Rate

Displays an indicator of the

—

—

 

current firing rate based

 

 

upon fan RPM. The actual firing rate may vary.

Table 12. User Mode Menu Structure.

8.2 Ignition Control- Sequence of Events

1.Call for heat

2.Safety chain check

3.Fan starts and waits to achieve prepurge RPM

MENU ITEM

DEFINITION

F or C

Selects temperature units

LBTHODLOD

Outdoor reset enable/disable -

 

enables menu items

LBT

Low boiler setpoint during outdoor reset

 

see Figure 29

HOD

High outdoor temperature setpoint

 

see Figure 29

LOD

Low outdoor temperature setpoint

 

see Figure 29

RMT Add

Used for Lead/Lag (follow menus)

LL

Lead/Lag enable/disable - enables menu items

HS

Hysteresis - temp range between on/off cycles

bL

Base Load % - input rate before next boiler fires

Sd

Warm weather shut-down temperature

ASC

Anti short cycle - minutes of delay between

 

startup

bAC

Future use - Press DONE to exit menu.

PAS

Future use - Press DONE to exit menu.

NOTE: When enabling/disabling functions, select "Done" and wait 30

seconds before scrolling.

Table 13. Setup Mode Parameters.

MENU ITEM

DESCRIPTION

mA

Display the flame sense signal

Alert codes

Displays the current alert code

Lockout code

Displays the current lockout code

Outlet Limit

Displays outlet temperature limit

DHW limit

Displays Domestic Hot Water limit setting

Stack Limit

Displays Stack limit setting

Min. firing rate

Displays the minimum firing rate allowed

Min. forced

Allows the user to force the boiler to fire at

firing rate

the minimum firing rate

Max forced

Allows the user to force the boiler to fire at

firing rate

the maximum firing rate

Rate indicator

Displays a indicator of the firing rate based

 

off of the fan RPM. Actual firing rate may

 

vary depending upon setup.

Table 14. Diagnostic Mode Menu Structure.

Page 36 Page 38
Image 37
Page 36 Page 38
Contents Document Installation and Operation InstructionsInstallation and Operation Instructions for BRUTE ELITEBrute Elite Control Setup and Operation TABLE OF CONTENTSSECTION General InformationTrouble Shooting SECTION MaintenanceReplacement Parts SECTION Modes of Operation1.1 Introduction SECTION General Information1.2 Model Identification Model NomenclatureFigure 2. Location of Components, Sizes Figure 1. Location of Components, SizesFigure 4. Location of Components, Size Figure 3. Location of Components, SizeFigure 6. Location of Components, Size Figure 5. Location of Components, SizeFigure 7. Location of Components, Sizes 750 and 1.6 Dimensions 1.4 Warranty1.3 Appliance Overview 1.5 UnpackingDimensions are nominal and are shown in inches, cm Figure 9. Dimensional Drawing, SizesSECTION Locating the Appliance Brute Elite is for indoor installations only2.1 Locating the Appliance 3.1 Combustion Air SECTION Venting and Combustion Air3.1.1 Combustion Air From Room 3.1.2 Ducted Combustion AirFigure 10. Combustion Air and Vent Through Roof 3.2 VentingTable 5. Required Exhaust Vent Material 3.2.1 Venting Requirements Unique to Canada 3.3 Locating Vent & Combustion Air TerminalsA. exhaust vent terminal not included E. CPVC exhaust pipe section 80-500 not incl3.3.2 Side Wall Combustion Air Terminal 3.3.5 Installations in the Commonwealth of Massachusetts5. For concentric vent, follow instructions included with vent kit 3.3.3 Vertical Vent TerminalFigure 12. Combustion Air and Vent Through Side Wall 2. Approved Carbon Monoxide Detectors 3.4 Common Vent Test3. Signage 4. Inspection4.1 Gas Supply and Piping SECTION Gas Supply and Piping3. Refer to Tables 6A, 6B, 6C and 6D to size piping 5.1 Brute Elite Boiler Flow and Head Requirements see Table SECTION Pump Requirements5.2 Brute Elite Water Heater Flow and Head Requirements see Table Table 6A6A.1 BNTH System Piping Hot Supply Connections SECTION 6A Water Connections - BNTH Boiler6A.2 BNTH Cold Water Make-Up 6A.3 Freeze Protection 6A.4 BNTH Suggested Piping Schematics6A.5 Recognized Chemicals 1. Sentinel Performance Solutions Group 2. Hercules Chemical CompanyFigure 15. Hydronic Piping - Single Boiler zoning with circulators Page Figure 17. Hydronic Piping - Multiple Boilers zoning with circulators Page Brute ElitePage Page Brute ElitePage 6B.1 BNTV Water Quality SECTION 6B6B.2 Piping Requirements Water Connections - BNTV Water Heater6B.3 Cold Water Make-Up 6B.5 BNTV Suggested Piping Schematics6B.4 Freeze Protection 6B.6 BNTV Suggested PumpsFigure 26. DHW Piping, Two Heaters, Two Vertical Tanks Figure 25. DHW Piping, Two Heaters, One Vertical TankCaution Pump sizing must be based opon water hardness at job siteSECTION Electrical Connections 7.1 Main Power7.2 Pump Connections 7.10 Lead Lag/ Cascading Wiring Connections7.3 24Vac Transformer with Integral Circuit Breaker 7.4 Hydronic Call for HeatFigure 28. Lead-Lag / Cascading Wiring Connections Figure 29. Ladder Diagram 7.11 Wiring Diagrams see Figures 29 andFigure 30. Wiring Diagram all sizes 8.1 Display Navigation SECTION Brute Elite Control Setup and Operation8.2 Ignition Control- Sequence of Events 8.5 Anti-Short Cycle ASC 8.3 Modulation Control8.5 High Limit 8.7 Outlet Water Temperature8.13 Boiler Pump Interrupt 8.12.5 Lead Lag Base Load Setting8.12.1 Lead Lag Setpoint 8.12.2 Lead Lag Master/Slave Selection9.4 Hydronic Heating Using External Modulation Control 9.2 Hydronic Heating with Outdoor ResetSECTION Modes of Operation 9.1 Hydronic Heating Demand9.7 Warm Weather Shutdown 9.5 Hydronic Heating Using Local Lead- Lag/Cascading Feature9.8 Domestic Hot Water Demand BNTV only Let’s consider the following example9.9 Domestic Hot Water Heating Using External Modulation Control SECTION Operating Instructions 10.2 Operating the Burner and Set Up10.1 Filling the Boiler System 10.2.1 Burner Operation10.3 Shutting Down Brute Elite 10.2.2 Boiler Setup and Adjustment10.4 To Restart Brute Elite 3. WAIT FIVE 5 MINUTESFigure 33A. Brute Elite Gas Valves 285, 399 and 80-285Figure 33B. Brute Elite Gas Valves 600, 750 and 11.1 System Maintenance SECTION Maintenance11.2 Appliance Maintenance and Component Description yearly, unless otherwise noted11.2.5 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 12.3 Error Codes - See Table SECTION Trouble Shooting11.2.9 Gas Pressure Switches optional 12.1 Sequence of OperationSOLUTION PROBLEMcontinued next page CODE#see Section Table 18. Error Codes13.2 Parts List SECTION Replacement Parts13.1 General Information Jacket Components - See FigureGas Train Components - See Figure Heat Exchanger Components - See Figure Electrical Components - See Figure Contact Customer Service at 800 900-9275Figure 35. Jacket Components Figure 36B. Internal Components, Sizes Figure 36A. Internal Components, SizesFigure 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 Page Service Parts 800 Tech. Service 800Warranty Service 800 Ambler, PA
Top Page Image Contents