Bradford-White Corp B4 warranty Ignition System no Sizes ON/OFF with EM2

Page 17

Internet Version for Reference Only

Copper Brute B4 Volume Water Heaters

Page 17

 

 

 

 

IGNITION SYSTEM NO. 1 (SIZES 175-250)

ON/OFF WITH EM2

 

2 AMP

 

TRANSFORMER

 

 

FUSE

 

 

R

R

BK

BR

 

24V 115V

P 1 2 3 4 5 LOW WATER

CUT-OFF (OPTIONAL)

MANUAL

 

RESET

Y

HI-LIMIT

 

R

 

 

TERMINAL

TEMP

STRIP

CONTROL

1

R

 

2

 

3

R

4

5

6

7

FUSIBLE

LINK8

9

VENT DAMPER

RECEPTACLE10

 

 

 

 

 

POWER

 

 

 

 

 

 

 

 

SWITCH

BK

BK

HOT

 

 

 

 

 

 

 

 

 

 

BK

BL

 

115/60HZ

 

PUMP

 

 

 

POWER SUPPLY

 

 

 

 

W

 

 

RELAY

 

 

W

 

NEUTRAL

BR

 

A

1

R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GROUNDING

O

 

T

 

 

 

PUMP

 

Y

 

3

 

BR

 

CONDUCTOR

 

B

 

 

 

 

 

 

BR

BK

 

G

 

 

 

 

 

 

 

 

 

 

 

 

 

FIELD INTERLOCK

 

 

 

 

 

 

 

(REMOVE JUMPER

 

FLOW

 

 

 

 

 

WHEN USED)

 

 

 

 

 

 

 

 

 

SWITCH

 

 

 

 

 

BR

 

 

 

 

 

 

 

 

BR

 

 

 

 

 

 

 

 

BR

 

 

 

 

 

 

 

 

W

6

5

4 Y

11

 

 

 

 

 

W

 

 

R

12

 

 

PILOT BURNER WITH

 

 

 

3

2

1

 

 

BK - BLACK

 

 

 

P

 

 

TH

THERMOCOUPLE

VENT DAMPER

 

 

O

 

Y

TR

 

W

- WHITE

JUMPER

 

 

 

 

Y

 

R

- RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

- YELLOW

 

 

 

 

 

 

 

 

BL

- BLUE

 

 

 

 

 

 

 

 

BR

- BROWN

 

 

 

 

 

 

 

 

O

- ORANGE

 

 

 

 

 

 

 

 

G

- GREEN

 

 

 

 

VENT DAMPER

 

GAS VALVE

 

P

- PURPLE

 

 

 

 

 

 

 

 

 

 

 

 

AND DRAFTHOOD

 

 

FACTORY WIRING

 

 

 

 

SWITCH, M. RESET

 

 

 

 

 

 

 

 

 

24V

 

 

 

 

 

 

 

 

 

115V

 

VENT DAMPER

 

 

 

FIELD WIRING

VENT DAMPER

ACTUATOR

 

 

 

 

 

 

 

 

 

 

 

 

24V

PLUG

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

115V

 

 

BK

 

 

 

 

 

 

6

5 4

G

 

M

BK

 

 

 

 

3

2

W

 

BK

 

IF ANY OF THE ORIGINAL WIRE AS SUPPLIED

1

 

 

 

 

 

 

 

 

 

 

 

WITH THE HEATER MUST BE REPLACED, IT

 

 

R

 

 

 

 

MUST BE REPLACED WITH APPLIANCE WIRING

 

 

 

 

 

 

 

MATERIAL 105°C (220°F) OR ITS EQUIVALENT.

ALTERNATE WIRING FOR INDOOR INSTALLATION ONLY

 

WHITE WIRES TO FUSIBLE LINK MUST BE

 

REPLACED WITH WIRE HAVING INSULATION

 

 

 

 

 

 

 

RATED AT 200°C (390°F). (AVAILABLE FROM

 

 

 

 

 

 

 

FACTORY).

 

 

Figure 26. Typical example of wiring schematic, System 1, Sizes 175-250.

Image 17
Contents Copper Brute Table of Contents General Information WarrantyIntroduction Technical AssistanceField Assembly Installation InstructionsSite Location Installation InformationOutdoor Installation Combustion and Ventilation Air Supply Flooring Typical InstallationOutdoor Air Supply MethodIndoor Air Supply Exhaust Fans or VentsWater Flow Venting of Combustion ProductsGeneral Information Reversible Water ConnectionsHeat exchanger reversal Front Freeze Protection Water ChemistryWater Hardness Pump RequirementsCold water application Hot water supply with vertical tank Pressure Buildup in Water System Storage Tank InstallationPressure Relief Valve Water PressureGeneral Instructions Gas Supply and PipingThermal Circulation of Hot Water Operating Instructions Electrical WiringCombined Space Heating/Potable Water Heating Systems Normal Operating SequenceIgnition 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 Remote Water Heater Temperature Control Start-Up ProcedureSetting the Temperature Controls Internal Water Heater Temperature Control Hi-Limit Switch CheckoutShut-Down Procedure General Instructions MaintenanceReplacement of Gas Controls Gas valve/burner replacement Inspecting the Heat Exchanger Cleaning the Heat ExchangerGas Pressure Tests Electrical TroubleshootingChecking the Main Line Gas Pressure Checking the Manifold Regulated Gas PressureHeater Does Not Come On Testing the TransformerTesting the Manual Reset Hi-Limit Switch Testing the Electrical Power SupplyTesting the Flow Switch Testing the Fusible Link Flame roll-out switchTesting the High Voltage Ignition Lead Testing the FuseTesting the Ignition Control for spark ignition Testing the Safety Shutoff For automatic pilot Testing the Safety Shutoff for standing pilotTesting the Igniter Electrode Testing the Pilot Thermocouple for standing pilotTesting the Terminal Strip/ External Controls Testing for Burner Ignition For standing pilotHeater Will Not Shut Off On-Off Main Burner CyclingBradford 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.