For models with Hot Surface Ignition

IMPORTANT NOTE: This procedure assumes a cool tank

Rotate temperature

dial to highest setting.

Refer to ignition module Y illustration, Is there 24VAC between P3(7) and P3(8)?

N

Thermostat

not calling

WARNING

120 volt potential exposure. Use caution making voltage checks to avoid personal injury.

OK, thermostat is

calling for heat.

 

IGNITION MODULE

Red Wire

Yellow Wire

(N.O.)

(COM)

Turn off power to heater.

 

 

 

 

 

 

 

Disconnect YELLOW and RED wires from the

 

 

 

 

 

thermostat board at location N.O. and COM shown in

N

 

 

photo at right. Use a jumper to connect these two

 

 

See page 39

 

 

 

 

 

 

wires together as shown in photo at right.

 

 

 

 

 

Restore power to heater.

 

 

 

 

 

 

 

Did heater cycle on?

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check thermostat sensor

 

 

 

 

 

 

 

for proper resistance

 

 

 

 

 

Replace

(OHMS) across blue wires.

 

 

 

 

 

N

 

thermostat sensor.

(See Appendix A, sensor

 

 

 

(see Thermostat Sensor

resistance)

Replacement Procedure)

Are readings correct?

 

(see photo at right)

 

 

Y

 

 

 

 

 

 

Yellow & Red wires shown jumpered

Check sensor harness

N

 

Thermostat

continuity.

Replace harness.

 

 

Is there continuity?

 

 

 

Sensor

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check temperature dial for

 

 

Replace temperature dial

 

proper resistance (OHMS)

 

 

 

(See Appendix B,

N

(potentiometer).

 

temperature dial resistance)

 

 

(see Thermostat Potentiometer

 

Are readings correct?

 

 

Replacement Procedure)

 

(see photo at right)

 

 

 

Temperature Dial

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check temperature dial

N

Replace harness.

 

harness continuity.

 

 

 

 

Is there continuity?

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace thermostat

circuit board.

(see Thermostat Board37 Replacement Procedure)

37

Page 37
Image 37
Bradford-White Corp EF60T150(E)*(N, X)(A)(2) OK, thermostat is Calling for heat, See Thermostat Sensor, Replace harness

EFR160T120*(EN, EF100T250(E)*(N, EF100T399(E)*(N, EF100T300(E)*(N, EF60T125(E)*(N specifications

Bradford-White Corporation is a leading manufacturer of water heating solutions, known for its high-quality and durable products. Among its extensive product lineup, the EF60T150(E)*(N), EF100T150(E)*(N), EF60T199(E)*(N,X)(A)(2), and EF100T199(E)*(N) models stand out for their impressive features and technologies that cater to both residential and commercial water heating needs.

The EF60T150(E)*(N) model is designed for medium to large households, providing a reliable hot water supply. It features a 60-gallon tank with a first-hour delivery rate that ensures ample hot water, making it ideal for simultaneous usage in multiple applications. This water heater operates on natural gas, boasting high energy efficiency ratings due to its advanced burner technology. The environmentally friendly design reduces greenhouse gas emissions while delivering consistent performance.

Similarly, the EF100T150(E)*(N) model provides an even larger capacity of 100 gallons, addressing the hot water demands of larger families or commercial establishments. It employs Bradford-White's Hydrojet Total Performance System, which minimizes sediment buildup and optimizes hot water output. This model also features a patented Vitraglas lining that protects the tank from corrosion, extending its lifespan and enhancing reliability.

On the other hand, the EF60T199(E)*(N,X)(A)(2) and EF100T199(E)*(N) models offer advanced technology with their unique "N" designation, indicating that they are equipped to handle more extensive heating requirements efficiently. The EF60T199 model, with its 60-gallon capacity, and the EF100T199, with 100 gallons, incorporate enhanced insulation to reduce heat loss and improve energy efficiency. Both models are designed for easy installation and maintenance, making them user-friendly for both homeowners and technicians.

Additionally, these water heaters feature advanced electronic ignition and controls that allow for precise temperature regulation and easy monitoring. The intuitive user interface simplifies operation, while built-in safety features ensure reliable and secure hot water delivery.

Overall, Bradford-White's EF series of water heaters, including the EF60T150(E)*(N), EF100T150(E)*(N), EF60T199(E)*(N,X)(A)(2), and EF100T199(E)*(N), exemplify the company's commitment to quality and innovation. With their robust performance, energy efficiency, and advanced technologies, these models offer dependable hot water solutions tailored to meet the diverse needs of today's consumers. Whether for residential or commercial use, Bradford-White continues to set the standard for excellence in water heating technology.