Blower Temperature Switch Testing

Blower Temperature Switch Testing (cont’d)

Switch Setting

Opens on rise @ approximately 165oF

Auto resets on fall @ approximately 160oF

Cool switch to

below 160oF

Disconnect wire leads to

 

 

 

 

 

switch. Using multi-meter set

N

Replace switch

 

to the ohms setting. Is there

 

 

 

 

 

(see page 33).

 

continuity between the switch

 

 

 

 

 

 

 

 

terminals?

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

N

 

 

Reconnect wire leads and ob-

Y

 

 

 

 

serve heater operation. Do

 

Do switch

Y

Exhaust

 

 

exhaust gas temperatures

 

 

contacts

 

temperature

rise to or above 170oF with

 

 

open?

 

is too hot.

vent connected?

 

 

 

 

 

 

N

 

 

 

 

 

 

Do switch con-

Y

Replace switch

 

 

 

 

 

tacts open?

 

 

(see page 33).

 

 

N

Switch OK

Common causes for high

exhaust temperature

1.Vent length is below mini- mum allowable

2.Vent diameter not to speci- fication

3.Restricted dilution air inlet

4.Missing or deteriorated flue baffle

5.Gas pressure is out of specification

Page 32

32

Page 31 Page 33
Page 32
Image 32
Bradford-White Corp U1TW60T*FRN, UTW450S60FR*N, UTW465S60FR*N Blower Temperature Switch Testing cont’d, Switch Setting
Page 31 Page 33

U1TW40S*FRN, U2TW65T*FRN, UTW450S60FR*N, U1TW60T*FRN, UTW465S60FR*N specifications

Bradford-White Corp has long been a reputable manufacturer in the water heating industry, known for delivering high-quality and reliable products. Among their diverse range of water heaters, the U1TW40S*FRN, U1TW50S*FRN, U1TW60T*FRN, UTW465S60FR*N, and UTW450S60FR*N models stand out for their advanced features and technologies designed to meet varying hot water demands.

The U1TW series, including the U1TW40S*FRN, U1TW50S*FRN, and U1TW60T*FRN models, are well-suited for residential applications. Each model provides different capacities, with the numbers referring to the gallon capacities. The U1TW40S*FRN offers 40 gallons, the U1TW50S*FRN 50 gallons, and the U1TW60T*FRN 60 gallons, making them ideal for households varying in size and hot water requirements.

These models are equipped with Bradford-White's advanced Vitraglas® tank lining, a unique feature that provides superior protection against corrosion and extends the unit's lifespan by ensuring the inner tank remains free from damage. Additionally, their efficient heating elements and optimal insulation minimize heat loss, enhancing energy savings.

The UTW series, specifically the UTW465S60FR*N and UTW450S60FR*N, feature innovative technologies such as a durable stainless steel construction that offers robust performance while resisting the harmful effects of rust and degradation. This is particularly beneficial in areas with hard water, where mineral buildup can be problematic.

Each unit incorporates Bradford-White's signature HydroBurner® technology, which enhances combustion efficiency, ensuring that the water is heated quickly and consistently. This technology also helps in reducing greenhouse gas emissions, addressing environmental concerns while maintaining optimal performance.

In terms of ease of use, all models come with user-friendly controls that allow for easy temperature adjustments and monitoring, ensuring that users can customize their hot water needs conveniently. Additionally, features such as intuitive diagnostics enable quick troubleshooting, reducing downtime and maintenance efforts.

In conclusion, Bradford-White’s U1TW and UTW series water heaters are engineered to offer efficiency, durability, and user-friendly operation. With their advanced technology, excellent insulation, and robust construction, these models are a solid choice for anyone looking to invest in reliable hot water solutions for their home. Whether for a busy family or more modest hot water needs, these units provide peace of mind and consistent performance.
Top Page Image Contents