Bradford-White Corp B4 warranty Ignition System no Sizes, ON/OFF with Em2

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Internet Version for Reference Only

Copper Brute B4 Volume Water Heaters

Page 19

 

 

 

 

IGNITION SYSTEM NO. 1 (SIZES 325-400)

ON/OFF WITH Em2

 

2 AMP

TRANSFORMER

 

 

FUSE

BR

R

R

BK

 

 

 

24V

115V

 

MANUAL

 

RESET

 

HI-LIMIT

Y

R

TERMINAL

TEMPSTRIP

CONTROL R

R

1

 

2

 

3

R

4

 

5

 

6

 

7

8

9

10

11

12

P 1 2 3 4 5

W

BKBL

PUMP W

RELAY

BR A 1

OT

YB 3

FIELD INTERLOCK

(REMOVE JUMPER

WHEN USED) FLOW SWITCH

BR

BR

BR

LOW WATER

CUT-OFF (OPTIONAL)

POWER

SWITCH

BKBK HOT

115/60 HZ

POWER SUPPLY

W

WNEUTRAL

 

PUMP

GROUNDING

BR

CONDUCTOR

 

BR

BK

G

 

BK - BLACK

W- WHITE

R - RED

Y - YELLOW BL - BLUE BR - BROWN O - ORANGE G - GREEN P - PURPLE

FACTORY WIRING 24V

115V

FIELD WIRING 24V 115V

Y

TH

YTR

GAS VALVE

PILOT BURNER WITH

THERMOCOUPLE

IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE HEATER MUST BE REPLACED, IT MUST BE REPLACED WITH APPLIANCE WIRING MATERIAL 105°C (220°F) OR ITS EQUIVALENT. WHITE WIRES TO FUSIBLE LINK MUST BE REPLACED WITH WIRE HAVING INSULATION RATED AT 200°C (390°F). (AVAILABLE FROM FACTORY).

Figure 28. Typical example of wiring schematic, System 1, Sizes 325-400

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Contents Copper Brute Table of Contents Technical Assistance WarrantyGeneral Information IntroductionField Assembly Installation InstructionsOutdoor Installation Installation InformationSite Location Combustion and Ventilation Air Supply Flooring Typical InstallationExhaust Fans or Vents MethodOutdoor Air Supply Indoor Air SupplyReversible Water Connections Venting of Combustion ProductsWater Flow General InformationHeat exchanger reversal Front Pump Requirements Water ChemistryFreeze Protection Water HardnessCold water application Hot water supply with vertical tank Water Pressure Storage Tank InstallationPressure Buildup in Water System Pressure Relief ValveThermal Circulation of Hot Water Gas Supply and PipingGeneral Instructions Normal Operating Sequence Electrical WiringOperating Instructions Combined Space Heating/Potable Water Heating SystemsIgnition System no Sizes ON/OFF with EM2 18BRADFORD White Ignition System no Sizes ON/OFF with EM2ON/OFF with Em2 Ignition System no SizesPump W Relay LOW Water CUT-OFF Optional Power Switch Setting the Temperature Controls Start-Up ProcedureRemote Water Heater Temperature Control Shut-Down Procedure Hi-Limit Switch CheckoutInternal Water Heater Temperature Control Replacement of Gas Controls MaintenanceGeneral Instructions Gas valve/burner replacement Inspecting the Heat Exchanger Cleaning the Heat ExchangerChecking the Manifold Regulated Gas Pressure Electrical TroubleshootingGas Pressure Tests Checking the Main Line Gas PressureHeater Does Not Come On Testing the TransformerTesting the Fusible Link Flame roll-out switch Testing the Electrical Power SupplyTesting the Manual Reset Hi-Limit Switch Testing the Flow SwitchTesting the Ignition Control for spark ignition Testing the FuseTesting the High Voltage Ignition Lead Testing the Pilot Thermocouple for standing pilot Testing the Safety Shutoff for standing pilotTesting the Safety Shutoff For automatic pilot Testing the Igniter ElectrodeOn-Off Main Burner Cycling Testing for Burner Ignition For standing pilotTesting the Terminal Strip/ External Controls Heater Will Not Shut OffBradford White

B4 specifications

Bradford-White Corp B4 is a remarkable water heater that embodies innovation, efficiency, and reliability. This product is designed to meet the stringent demands of both residential and commercial applications, making it a versatile choice for various users.

One of the standout features of the Bradford-White B4 is its high-efficiency operation. With advanced insulation technologies, this water heater minimizes heat loss, allowing it to perform efficiently while conserving energy. This efficiency translates to significant cost savings on utility bills, making the B4 an economical option over its lifespan.

Moreover, the B4 employs a robust and durable construction. Engineered with top-quality materials, it boasts a glass-lined tank that prevents corrosion and extends the longevity of the unit. This durable design ensures that users can rely on their water heater for many years, thus reducing the frequency of replacements and repairs.

The Bradford-White B4 is equipped with state-of-the-art technologies to enhance user convenience. Among these technologies is the ICON System, which features an advanced gas control. This control system allows for precise temperature management and ensures optimal performance. Additionally, the B4 comes with a built-in diagnostic system that provides insight into the operation of the unit, helping users identify potential issues before they escalate.

Another significant characteristic of the B4 is its variety of sizes and configurations. This versatility allows for easy installation in different spaces, whether it be a compact utility room or a larger commercial setup. Available in various capacities, the B4 can efficiently deliver hot water for various needs, catering to families of different sizes or businesses with diverse requirements.

Safety is also a top priority for Bradford-White. The B4 includes safety features such as a temperature and pressure relief valve, which acts as a safeguard against potential malfunctions. This adds an extra layer of peace of mind for users concerned about operational safety.

In summary, the Bradford-White Corp B4 combines high efficiency, durable construction, advanced technologies, versatility, and safety features. This makes it more than just a water heater—it is a dependable solution for ensuring hot water availability for various applications. Whether for a home or a commercial setting, the B4 represents a commitment to quality and performance that users have come to trust.