Bradford White Brute BNTH Installation And Operation Instructions Manual
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Bradford White Brute BNTH Installation And Operation Instructions Manual

Bradford White Brute BNTH Installation And Operation Instructions Manual

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Installation and Operation Instructions
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water boiler and heater installation and maintenance. Improper installation and/or operation
could create carbon monoxide gas in flue gases which could cause serious injury, property damage, or
death. Improper installation and/or operation will void the warranty.
If the information in this manual is not
followed exactly, a fire or explosion may
result causing property damage, personal
injury or loss of life.
Do not store or use gasoline or other
flammable vapors and liquids in the vicinity
of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
use any phone in your building.
• Immediately call your gas supplier from a
nearby phone. Follow the gas supplier's
instructions.
• If you cannot reach your gas supplier, call
the fire department.
Installation and service must be performed
by a qualified installer, service agency, or gas
supplier.
WARNING
Installation and Operation
Instructions for
Brute
with Touchscreen Display
Modulating Boiler
Model BNTH
Sizes 285–850 MBTU/h
Water Heater
Model BNTV
Sizes 150–850 MBTU/h
AVERTISSEMENT
Assurez-vous de bien suivres les instructions
données dans cette notice pour réduire au
minimum le risque d'incendie ou d'explosion
ou pour éviter tout dommage matériel, toute
blessure ou la mort.
Ne pas entreposer ni utiliser d'essence ni
d'autres vapeurs ou liquides inflammables dans
le voisinage de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ:
• Ne pas tenter d'allumer d'appareils.
• Ne touchez à aucun interrupteur. Ne pas vous
servir des téléphones dansle bâtiment où vous
vous trouvez.
• Appelez immédiatement votre fournisseur de
gaz depuis un voisin. Suivez les instructions
du fournisseur.
• Si vous ne pouvez rejoindre le fournisseur de
gaz, appelez le sservice des incendies.
L'installation et l'entretien doivent être assurés par
un installateur ou un service d'entretien qualifié ou
par le fournisseur de gaz.
Document 1344
TM

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  • Page 1 Installation and Operation Instructions Document 1344 Installation and Operation Instructions for Brute with Touchscreen Display Modulating Boiler Model BNTH Sizes 285–850 MBTU/h Water Heater Model BNTV Sizes 150–850 MBTU/h FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician, qualified in hot water boiler and heater installation and maintenance.

  • Page 2: Table Of Contents

    RADFORD HITE Table of Contents Section 1 - Section 6A - General Information Water Connections - BNTH Boiler 6A.1 BNTH System Piping: Hot Supply Introduction ............1 Connections ............ 17 1.2 Model Identification ........... 1 6A.2 BNTH Cold Water Make-Up ......17 1.3 Appliance Overview ........2-5 6A.3 Condensate Drain ........... 18 1.4 Warranty ............
  • Page 3 Brute BOILERS AND VOLUME WATER HEATERS Section 8 - Section 9 Navigating the Touch Screen First Start Up and Adjustment 8.1 The Touch Screen ........34 9.1 Filling the Boiler System ......... 54 9.2 First Operation ..........54 8.2 Using the Touch Screen ........ 34 9.3 Shutting Down the Brute Unit ......55 8.3 Verification Process for Safety-Related Parameters ............
  • Page 4 RADFORD HITE...

  • Page 5: General Information

    3 9 9 = 399,000 BTU/hr input be reviewed completely before proceeding with the 5 0 0 = 500,000 BTU/hr input installation. Consult the Bradford White factory, or local 6 0 0 = 600,000 BTU/hr input factory representative, with any problems or questions 7 5 0 = 750,000 BTU/hr input regarding this equipment.

  • Page 6: Appliance Overview

    Page 2 RADFORD HITE 1.3 Appliance Overview - See Figures 1 through 6. EXHAUST VENT CONNECTION PRESSURE RELIEF VALVE GAS CONNECTION WATER INLET WATER OUTLET AIR INLET CONNECTION TOUCHSCREEN AIR PRESSURE SWITCH ON / OFF SWITCH DRAIN VALVE HEAT EXCHANGER GAS VALVE AIR TRANSITION CONDENSATE TRAP AIR/ GAS...
  • Page 7 Page 3 Brute BOILERS AND VOLUME WATER HEATERS EXHAUST VENT CONNECTION WATER INLET PRESSURE RELIEF VALVE WATER OUTLET GAS CONNECTION AIR INLET CONNECTION TOUCHSCREEN ON / OFF SWITCH HEAT EXCHANGER MANUAL SHUTOFF DRAIN VALVE GAS VALVE CONDENSATE TRAP AIR/ GAS BLOWER GAS VALVE VENTURI...

  • Page 8: Warranty

    GAS VALVE Figure 5. Location of Components, Size 600 1.4 Warranty 1.5 Unpacking Bradford White Brute appliances are covered by a The Brute unit is shipped in a single crate with the limited warranty. The owner should complete the following standard components packed with the warranty registration at www.BradfordWhite.com.
  • Page 9 Page 5 Brute BOILERS AND VOLUME WATER HEATERS WATER INLET GAS CONNECTION EXHAUST VENT PRESSURE RELIEF CONNECTION VALVE AIR INLET WATER OUTLET TOUCHSCREEN ON / OFF SWITCH GAS VALVE VENTURI DRAIN VALVE AIR/ GAS BLOWER MANUAL SHUTOFF GAS VALVE HEAT EXCHANGER CONDENSATE TRAP Figure 6.

  • Page 10: Dimensions

    Page 6 RADFORD HITE 1.6 Dimensions All Brute model dimensions are shown in Table 1 Size MODEL 150 BNTV 13¼ 34 5¼ 14 19 48 3¼ 8 10¾ 28 7½ 19 14¼ 36 19½ 49 7½ 19 15¼ 39 13 33 199 BNTV 20½...
  • Page 11 Page 7 Brute BOILERS AND VOLUME WATER HEATERS...

  • Page 12: Locating The Appliance

    Page 8 RADFORD HITE Section 2 - LOCATING THE APPLIANCE 2.1 General Information APPLIANCE SUGGESTED SERVICE ACCESS CLEARANCE SURFACE INCHES The Brute unit is designed for indoor installations only. Left Side The appliance should be located to provide clearances Right Side on all sides for maintenance and inspection.

  • Page 13: Venting And Combustion Air

    Page 9 Brute BOILERS AND VOLUME WATER HEATERS Section 3 - specify that the space shall communicate with the outdoors in accordance with method 1 or 2, which follow. Where VENTING AND COMBUSTION AIR ducts are used, they shall be of the same cross-sectional area as the free area of the openings to which they connect.

  • Page 14: Venting

    When taken from the wall, it must be polypropylene, CPVC or stainless steel material is taken from out-of-doors by means of the Bradford White horizontal wall terminal, shown in Table 3a and 3b. See required. If the system temperatures are unknown at Table 2 to select the appropriate diameter air pipe. When...
  • Page 15 ULC S636 certified vent system is preferred. pressures. Do not common vent Brute units unless However, if one is not available with the certified vent the vent system meets this requirement. Brute units system, Bradford White suggests using a tee with the are never permitted to share a vent with Category I appliances. Venting Requirements Unique to Canada Brute boilers and water heaters are Vent Category IV appliances.

  • Page 16: Locating Vent & Combustion Air Terminals

    Brute unit and The Bradford White side wall combustion air terminal, or not collect anywhere in the vent system - including in the concentric terminal must be used when the heater takes flue gas sampling port.
  • Page 17 Page 13 Brute BOILERS AND VOLUME WATER HEATERS U.S. Installations (see note 1) Canadian Installations (see note 2) A= Clearance above grade, veranda, porch, 12 inches (30 cm) 12 inches (30 cm) deck, or balcony See note 6 See note 6 B= Clearance to window or door that may be Direct vent only: 12 inches (30cm);...
  • Page 18 Page 14 RADFORD HITE that a battery operated or hard-wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling, building or structure served by the side-wall horizontally vented gas fueled equipment. It shall be the responsibility of the property owner to se- cure the services of qualified licensed professionals for installation of hard-wired carbon monoxide detectors.

  • Page 19: Common Vent Test

    Page 15 Brute BOILERS AND VOLUME WATER HEATERS Section 4 - 3.4 Common Vent Test GAS SUPPLY AND PIPING NOTE: This section does not describe a method for common venting Brute units. It describes what must be Gas piping should be supported by suitable hangers or done when a unit is removed from a common vent system.

  • Page 20: Pump Requirements

    Page 16 RADFORD HITE Section 5 - Brute NATURAL GAS PUMP REQUIREMENTS REQUIRED CU FT SIZE / HR. TO SIZE PIPING: 5.1 Brute Boiler Flow and Head Measure linear distance from meter outlet to last boiler. Add total input of all boilers and divide Requirements by 1000 to obtain cu ft / hr required.

  • Page 21: Section 6A

    Refer to Brute BNTH models 80-500 can also be ordered with or Table 9 for the connection pipe sizes required. without a pump included.

  • Page 22: Condensate Drain

    Do not use automotive antifreeze. To help prevent freezing, Bradford White recommends the use of inhibited glycol concentrations between 20% and 35% glycol. Typically, this concentration will serve as burst...
  • Page 23 Page 19 Brute BOILERS AND VOLUME WATER HEATERS Bradford White Brute Figure 16. Hydronic Piping — Single Boiler, Zoning with Circulators...
  • Page 24 Page 20 RADFORD HITE Bradford White Brute Figure 17. H ydronic Piping — Single Boiler, Low Temp Radiant Space Heating Using Low Loss Header and Zone Valves...
  • Page 25 Page 21 Brute BOILERS AND VOLUME WATER HEATERS Bradford White Bradford White Brute Brute Figure 18. Hydronic Piping — Multiple Boilers, Zoning with Circulators...
  • Page 26 Page 22 RADFORD HITE Bradford White Bradford White Brute Brute Figure 19. Hydronic Piping — Multiple Boilers with Indirect DHW Tank Piped from System Loop...
  • Page 27 Page 23 Brute BOILERS AND VOLUME WATER HEATERS Bradford White Bradford White Bradford White Bradford White Brute Brute Brute Brute Figure 20. Hydronic Piping — Multiple Boilers, Reverse Return, Multi-Temp Zones, Zoning with Circulators...
  • Page 28 Page 24 RADFORD HITE Figure 21. Hydronic Piping — Heating Zones with Indirect DHW Tank Piped with Zone Pumps The indirect DHW tank is piped directly off of the boiler. The boiler pump must shut down during DHW operation.
  • Page 29 Page 25 Brute BOILERS AND VOLUME WATER HEATERS Figure 22. Hydronic Piping, Multiple Boilers with Indirect DHW Off of One Boiler The boiler pump must shut down during DHW operation.

  • Page 30: Section 6B

    Page 26 RADFORD HITE Section 6B - WATER CONNECTIONS - BNTV WATER HEATER or system failure. Failure of this type will not be Section 6 is divided into two parts. Section warranted. If the water in use exceeds the conditions 6A covers BNTH units designed for hydronic recommended, a water softener or other device should heating.

  • Page 31: Cold Water Make-Up

    Page 27 Brute BOILERS AND VOLUME WATER HEATERS tank, flow check, and shutoff valves where needed or as failure to install a neutralizer kit or to adequately required by code. treat condensate will not be the manufacturer’s responsibility. Brute 150-500 can be ordered with pumps. Whether the factory pumps or other pumps are installed the piping should be installed such that the pump supplies flow to 6B.5 Freeze Protection the heater it is attached to only.
  • Page 32 Page 28 RADFORD HITE NOTES: 1. Optional CWMU & Recirc. line location. 2. Locate BNTV DHW sensor or remote aquastat well in lower 1/3 of tank. 3. Back flow preventer may be required - check local codes. 4. Thermal expansion tank may be required - check local codes. 5.
  • Page 33 Page 29 Brute BOILERS AND VOLUME WATER HEATERS NOTES: 1. Optional CWMU & Recirc. line location. 2. Locate BNTV DHW sensor or remote aquastat well in lower 1/3 of tank. 3. Back flow preventer may be required - check local codes. 4.

  • Page 34: Installation Warnings

    Page 30 RADFORD HITE Section 7 - INSTALLATION AND WIRING 7.2 Main Power Connections Connect a 15A fused, 120-volt supply to the main power 7.1 Installation Warnings switch. (The hot leg is connected directly to the switch.) The neutral leg is connected directly to the white wire. WARNING The ground wire can be connected to the grounding lug The appliance must be electrically grounded in...
  • Page 35 Page 31 Brute BOILERS AND VOLUME WATER HEATERS Figure 27. Control Panel Layout WATER HEATER SIZES VOLTS PHASE AMPS BOILER PUMP CONNECTIONS 199-500 Single RATINGS No pump SIZES VOLTS PHASE AMPS (Boiler, System Pump and DHW Pump Connections) Single With pump 199–850 Single 115V –...

  • Page 36: Optional Field Connection

    Modbus ports. The Modbus wiring should be completed according to the diagrams shown below. If alternate communication protocols are desired, Bradford White offers “gateways” to allow BACnet, LON, and other communications protocols. For additional information on setting up Modbus and other communication protocols, contact the factory.
  • Page 37 Page 33 Brute BOILERS AND VOLUME WATER HEATERS R/BLK DKB/Y DKB/Y TRANSFORMER 110VAC INPUT 24VAC OUTPUT GY/WH Figure 31. Wiring Diagram, All Sizes...

  • Page 38: Navigating The Touch Screen

    Page 34 RADFORD HITE Section 8 Navigating the Touch Screen The home screen shows a picture of the Brute controller. The color of the controller depends on the status of the Brute, as shown below. Color Status Control Touch Screen Icon Blue Normal operation Lockout Gray Standby mode (Burner...
  • Page 39 Page 35 Brute BOILERS AND VOLUME WATER HEATERS Screen Menu Icons (For some special safety-related functions, besides entering the correct password, the system will ask you to go through an additional “verification” process. For more information, see the section on “Configuration.”) There are several icons at the top of the Touch Screen When a password is necessary, the system will...

  • Page 40: Verification Process For Safety-Related Parameters

    Page 36 RADFORD HITE surface of the screen.) Press OK to continue. The system will ask you to login before you make a change. (For more Each time you press a key, the system will respond information on logging in, see Section 8.2.) with a beep.
  • Page 41 Page 37 Brute BOILERS AND VOLUME WATER HEATERS 8.4 Checking Individual Parameters From the ‘Home’ screen (Menu 9), press the icon for the controller. Menu 7. Safety Parameter Confirmation For each group, check the list carefully. Press Yes if all of the parameters in the group have Menu 9.

  • Page 42: Configuring Parameters On Individual

    Page 38 RADFORD HITE 8.5 Configuring Parameters In this section, we will give you a quick explanation of how to change parameters on the controller. From the Home Page screen (Menu 11), press the icon for the controller. Menu 11. Home Page Screen The Status Summary page for that controller Menu 13.

  • Page 43: Setting The Date And Time

    Page 39 Brute BOILERS AND VOLUME WATER HEATERS 8.6 Setting the Date and Time on the System Display The display includes an internal clock, which keeps track of the date and time. This setting is important, because log entries for Lockouts and Alerts include time listings. If the Date and Time setting for the boiler is not correct, the listings in the Lockout and Alert logs will be incorrect.

  • Page 44: Configuration Menus (All)

    Page 40 RADFORD HITE 8.7 Configuration Sub-Menus (ALL) Menu 20. Configuration Menu 8.7.1 thru 8.7.15 are the Configuration Sub-Menus. 8.7.1 System Identification & Access Menu 18. Home Screen To navigate to the Configuration Menu Screen, first touch the controller icon on the home screen to access the Status Summary screen, This sub-menu will display information regarding software, date codes, model numbers and program name, as well as giving the installer access to re-name the boiler and to change the modbus addresses for lead...

  • Page 45: Dhw - Domestic Hot Water Configuration

    Page 41 Brute BOILERS AND VOLUME WATER HEATERS 8.7.4 DHW - Domestic Hot Water 8.7.7 Modulation Configuration Configuration From this sub-menu the installer has the ability to adjust the range of modulation for the CH, and DHW DHW - Domestic Hot Water is used to configure the demands.

  • Page 46: Statistics Configuration

    Page 42 RADFORD HITE 8.7.8 Pump Connections (cont) 8.7.10 High Limits The System pump connections are located on terminal block 5 (TB5) in the control panel. The System pump contacts are rated for 120Vac, 7.4 Amps. To use the contacts, power must be supplied on one terminal with the other terminal wired to the pump or a relay controlling the pump.

  • Page 47: Frost Protection Configuration

    Page 43 Brute BOILERS AND VOLUME WATER HEATERS 8.7.13 Frost Protection 8.7.15 Fan Configuration To increase/decrease the speed at which the fan control loop reacts to a decrease in fan speed, adjust the Fan gain down parameter. Similarly, to increase/ decrease the speed at which the fan control loop reacts to an increase in fan speed, adjust the Fan gain up parameter.

  • Page 48: About Lead / Lag

    Page 44 RADFORD HITE About Lead/Lag Operation the starting order for the boilers. This means that each time the system starts up, a different About Lead/Lag Operation - boiler may start first. If an installation includes two or more boilers, they may be set up for “Lead/Lag” operation. Caution One boiler will be set up as the “Master”, and the You should set the Modbus addresses before others will operate as “Slaves.”...
  • Page 49 Page 45 Brute BOILERS AND VOLUME WATER HEATERS Number of boil- Base load value ers installed Low demand - The first boiler in sequence fires at less than 65% Demand increases - Once the first boiler reaches 65%, the second boiler switches on, and Figure 38.

  • Page 50: Lead Lag Slave Configuration

    Page 46 RADFORD HITE 8.7.17 Lead/Lag Slave Configuration Menu 21. Home Screen On the boilers, touch the controller Icon on the Home Screen. Menu 23. Configuration Menu, Scroll down and select ‘Lead Lag Slave Configuration’. Menu 22. Status Summary Screen Select ‘Configure’. In the Lead Lage Slave Sub-Menu, Identify each unit (including the Lead/Lag Master) as a slave by turning on “Slave Enable.”...
  • Page 51 Page 47 Brute BOILERS AND VOLUME WATER HEATERS You will be prompted to sign in. This can be done by Then select a Modbus address (number) for that pressing the ‘LOCK’ symbol at the top right boiler. type in ‘LNT’ and press OK. Then select OK Then you can select Slave Enable.

  • Page 52: Lead Lag Master Configuration

    Menu. Select Master Enable wiring must be completed according to the diagrams shown below. If alternate communication protocols are desired, Bradford White offers “gateways” to allow BACnet, LON, and other communications protocols. For additional information on setting up Modbus and other communication protocols, contact the factory.

  • Page 53: Optional Variable Speed Pump Control

    Page 49 Brute BOILERS AND VOLUME WATER HEATERS 8.9 Optional Variable Speed Pump Control (V.S.P.C.) Variable Speed Pump Control is optional equipment on all commerical Brute boilers (sizes 285 up to 850 MBH). Pump speed is controlled to maintain a user-chosen temperature rise between the inlet and Document 7033 outlet of the Brute.

  • Page 54: Combustion Setup

    Page 50 RADFORD HITE 8.10.1 – Combustion Setup Procedure In this section, we will explain how to set up the gas valve so the boiler will run efficiently at both the High Fire and Low Fire conditions. Required tools: Screwdrivers, Torx bits, Allen Wrench Set, Combustion Analyzer WARNING Improper adjustment may lead to poor combustion...
  • Page 55 Page 51 Brute BOILERS AND VOLUME WATER HEATERS Auto at the end of the test. Manual in Run - The Manual in Run control will only set the fan speed when the control has proven flame and the unit has entered the Run mode. Manual in Run and Standby - Using this setting, the manual control will set the fan speed whether the boiler is operating or not.

  • Page 56: Adjusting Co 2

    Page 52 RADFORD HITE 8.10.2 – Adjusting CO See Section 8.10 GAS TYPE HIGH FIRE, CO LOW FIRE, CO DIFFRNTL PRESSURE (inches wc) Natural 8.8 to 9.8% 0.5% lower than 3.6” to 3.9” high fire setting Propane 9.8 to 10.2% Table 14. (Residential, sizes 150 - 285 Mbtu) Range and Differential Pressure GAS TYPE HIGH FIRE, CO...
  • Page 57 Page 53 Brute BOILERS AND VOLUME WATER HEATERS BNTH BNTH BNTH BNTH BNTH BNTH BNTH BNTH Table 16. Brute Boiler Efficiencies Inlet gas pressure High re CO adjustment (under cap) pressure Low re CO adjustment Outlet gas pressure Inlet gas Low re CO pressure adjustment High re CO...

  • Page 58: First Start Up And Adjustment

    Do not use this appliance if any part has been under Failure to remove all air from the heat exchanger could water. Bradford White requires boilers and water lead to property damage, severe injury or death. heaters to be replaced, not repaired, if they have Open all strainers in the circulating system, check been partially or completely submerged.

  • Page 59: Shutting Down The Brute Unit

    Page 55 Brute BOILERS AND VOLUME WATER HEATERS 9.3 Shutting Down the Brute Unit instructions and all local codes. Turn off the main electrical disconnect switch. Determine that the appliance and system are filled Close all manual gas valves. with water and all air has been bled from both. If you think the Brute unit might freeze, drain it.

  • Page 60: Maintenance

    Turn on the manual gas valves and check for gas leaks. Turn on the 120 Volt power. Place the unit in operation Use only genuine Bradford White replacement parts. following the instructions in Section 9. Once the boiler is operating. check for leaks again and confirm that all Caution fasteners are tight.
  • Page 61 Page 57 Brute BOILERS AND VOLUME WATER HEATERS Appliance Control Ignitor Assembly The Brute unit has an integrated control that The ignitor assembly is a two rod system that consists incorporates manual reset high limit control, operating of a ground rod and a spark rod (See Figure 47). To temperature control, modulating control, ignition control, remove the ignitor assembly, shut off the 120 Volt power outdoor reset control, pump control and many other...
  • Page 62 Page 58 RADFORD HITE wire from the electrode. Remove the two bolts fastening caused by one or more of the following; incomplete the electrode to the burner doors. Remove and replace combustion, combustion air problems, venting problems, the old flame sensor gasket. If the old electrode is or heater short cycling.

  • Page 63: Gas Conversion

    Page 59 Brute BOILERS AND VOLUME WATER HEATERS NOTE: The Warranty does not cover damage caused BNT size (mbtu) Kit number by lack of required maintenance, lack of water flow, CA006203 or improper operating practices. CA006204 CA006204 WARNING CA006205 Failure to rinse the debris from the heat exchanger CA008600 and temporary drain line may lead to clogged CA008600 condensate lines, traps and neutralizers.

  • Page 64: Troubleshooting

    Page 60 RADFORD HITE Section 11 TROUBLESHOOTING Lockout will appear in an orange bar across the bottom of the screen. If you tap the orange bar, 11.1 Lockouts, Holds, and Alerts the system will present more information about The control system on the NeoTherm responds to The control system on the Brute BNT responds to the Lockout.
  • Page 65 Page 61 Brute BOILERS AND VOLUME WATER HEATERS 3. Press the long Yellow Alert or Yellow Lockout If you choose ‘LOCKOUTS’, this menu will appear. Bar (the long bar will be a long Grey ‘History’ Bar if not currently in Alert or Lockout). Menu 5.

  • Page 66: Troubleshooting Table

    Page 62 RADFORD HITE 11.2 Troubleshooting Table This table includes a listing of the fault codes that may be displayed. Some of these can be corrected by changing a parameter, while other conditions are more complicated, and will require a service technician. The fi...
  • Page 67 Page 63 Brute BOILERS AND VOLUME WATER HEATERS Internal fault: H or L Internal fault PII (Pre-Ignition 1. Reset module Interlock) 2. If fault repeats, replace module. shorted to ILK (Interlock) Internal fault: Internal fault Safety relay test 1. Reset module failed due to 2.
  • Page 68 Page 64 RADFORD HITE Internal fault: Internal fault Flame rod 1. Reset module shorted to 2. If fault repeats, replace module. ground detected Internal fault: Internal fault A/D linearity 1. Reset module test fails 2. If fault repeats, replace module. Internal fault: Internal fault Flame bias...
  • Page 69 Page 65 Brute BOILERS AND VOLUME WATER HEATERS Fan speed not Will not be a lockout fault. Hold Only. proved LCI (Limit 1. Check wiring and correct any faults. Control Input) 2. Check Interlocks connected to the LCI to assure proper function. 3.
  • Page 70 Page 66 RADFORD HITE Header sensor 1. Check wiring and correct any possible errors. fault 2. Replace the header sensor. 3. If previous steps are correct and fault persists, replace the module. Stack sensor 1. Check wiring and correct any possible errors. fault 2.
  • Page 71 Page 67 Brute BOILERS AND VOLUME WATER HEATERS Ignition failed 1. Check main valve wiring and operation - correct any errors. 2. Check the fuel supply. 3. Check fuel pressure and repeat turndown tests. 4. Check ignition transformer electrode, fl ame detector, fl ame detector siting or fl...
  • Page 72 Page 68 RADFORD HITE Flame detected H or L Holds if fl ame detected during Safe Start check up to Flame Establishing period. Flame not Sequence returns to standby and restarts sequence at the beginning of detected Purge after the HF switch opens if fl ame detected during Safe Start check up to Flame Establishing period.
  • Page 73 Page 69 Brute BOILERS AND VOLUME WATER HEATERS Block intake 1. Check wiring and correct any errors. 2. Inspect the Block Intake Switch to make sure it is working correctly. 3. Reset and sequence the module. 4. During Standby and Purge, measure the voltage across the switch. Supply voltage should be present.
  • Page 74 Page 70 RADFORD HITE Invalid igniter 1. Return to Confi guration mode and recheck selected parameters, on during setting reverify and reset module. 2. If fault repeats, verify electrical grounding. 3. If fault repeats, replace module. Invalid ignite 1. Return to Confi guration mode and recheck selected parameters, failure delay reverify and reset module.
  • Page 75 Page 71 Brute BOILERS AND VOLUME WATER HEATERS Invalid MFEP 1. Return to Confi guration mode and recheck selected parameters, (Main Flame reverify and reset module. Establishing 2. If fault repeats, verify electrical grounding. Period) fl ame 3. If fault repeats, replace module. failure response setting Invalid NTC...
  • Page 76 Page 72 RADFORD HITE Invalid Run 1. Return to Confi guration mode and recheck selected parameters, stabilization reverify and reset module. time setting 2. If fault repeats, verify electrical grounding. 3. If fault repeats, replace module. Invalid Stack 1. Return to Confi guration mode and recheck selected parameters, limit enable reverify and reset module.
  • Page 77 Page 73 Brute BOILERS AND VOLUME WATER HEATERS Invalid 1. Return to Confi guration mode and recheck selected parameters, Modulation reverify and reset module. output setting 2. If fault repeats, verify electrical grounding. 3. If fault repeats, replace module. Invalid CH 1.

  • Page 78: Diagnostic Tests And Input/Output Indicators

    Page 74 RADFORD HITE 11.3 Diagnostic Tests and Input/ Output Indicators Two kinds of screens are grouped together in this section: • Detailed indications of the input and output signals • Diagnostic tests of the pumps and burner modulation Note that these functions apply to just one selected controller.

  • Page 79: Lead/Lag Slave Diagnostics

    Page 75 Brute BOILERS AND VOLUME WATER HEATERS 11.4 Lead/Lag Slave Diagnostics The control system includes a diagnostic screen that lists some information on the Lead/Lag slaves in the system. See Menu 13 Menu 15. Analysis Setup Screen To use this function, select the parameter you want to track from the pull-down list.

  • Page 80: Operating Sequence

    Page 76 RADFORD HITE 11.8 Operating Sequence Select one of the controllers listed on the right side When there is a call for heat, the unit will close of the screen. Press one of the buttons below the pump contacts to energize the customer supplied right column to see the snapshot.

  • Page 81: Replacement Parts

    Use only genuine Bradford White replacement parts. 12.1 General Information To order or purchase parts for the Bradford White Brute, contact your nearest Bradford White dealer or distributor. If they cannot supply you with what you need, contact Customer Service. (See the back cover for the address, telephone and fax numbers.)
  • Page 82 Page 78 RADFORD HITE SIZE SIZE SIZE SIZE SIZE SIZE SIZE ITEM DESCRIPTION BNTH 210 BNTH 285 BNTH 399 BNTH 500 BNTH 600 BNTH 750 BNTH 850 BNTV 199 BNTV 285 BNTV 399 BNTV 500 BNTV 600 BNTV 750 BNTV 850 Heat Exch.
  • Page 83 Page 79 Brute BOILERS AND VOLUME WATER HEATERS SIZE SIZE SIZE SIZE SIZE SIZE SIZE ITEM DESCRIPTION BNTH 210 BNTH 285 BNTH 399 BNTH 500 BNTH 600 BNTH 750 BNTH 850 BNTV 199 BNTV 285 BNTV 399 BNTV 500 BNTV 600 BNTV 750 BNTV 850 Inlet Water Temp Sensor RE2320600...

  • Page 84: Parts Illustrations

    Page 80 RADFORD HITE Parts Illustration 1. Jacket Components...
  • Page 85 Page 81 Brute BOILERS AND VOLUME WATER HEATERS Parts Illustration 2. I nternal Components, Parts Illustration 3. I nternal Components, Sizes 150–210 Sizes 285–600...
  • Page 86 Page 82 RADFORD HITE Parts Illustration 4. Internal Components, Sizes 750-850...
  • Page 87 Page 83 Brute BOILERS AND VOLUME WATER HEATERS Sizes 150-285 Parts Illustration 5. Gas Train Components, Sizes 150-500...
  • Page 88 Page 84 RADFORD HITE Parts Illustration 6. Gas Train Components, Sizes 600-850...
  • Page 89 Page 85 Brute BOILERS AND VOLUME WATER HEATERS Parts Illustration 7. Heat Exchanger Components...

  • Page 90: Parts Illustrations

    Page 86 RADFORD HITE (Front) Touchscreen (Back) Battery ( CR2032 ) Parts Illustration 8. Electrical Components...
  • Page 91 Page 87 Brute BOILERS AND VOLUME WATER HEATERS Notes:...
  • Page 92 RADFORD HITE Notes: Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement. 200 Lafayette St. www.BradfordWhite.com Middleville, MI 49333 Warranty: (800) 531-2111 Litho in U.S.A. © Bradford White 1507 Document 1344-BW...

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