BTR TANK TYPE HEATERS

 

 

SERVICE HANDBOOK

 

 

 

 

 

STEP 6

PC BOARD MOTOR TEST

 

 

 

Motor Lead

 

Service Switch

Terminals

STEP 6. PC BOARD/MOTOR TEST. Check for 24 VAC between the two motor lead terminals of the PC board. Disconnect the wires for this test.

IF

THEN

24 VAC is not present:

Replace the board (AOS part # 6522)

 

 

and go to step 7. The board and relay

 

 

are one piece. Regardless of which

 

 

part is defective, both parts should be

 

 

changed.

Voltage is present:

This verifies that the motor is receiving

 

 

power but not closing the damper.

 

Replace the motor (AOS part # 6521)

 

 

and go to step 7.

Note: The service switch may be used to bypass the damper, while waiting for a replacement part.

WARNING - In the event of damper motor failure, verify that the damper is in the "open" position before utilizing the service switch. (BTR Series 106/107 and some prior series – changed from momentary push button to service switch).

A.O. Smith Water Products

23

Service Handbook

Irving, Texas ©2000

Training Department

Page 24
Image 24
A.O. Smith 120 trough 500 manual Step, PC Board Motor Test, Service Switch

120 trough 500 specifications

A.O. Smith, a renowned leader in water heating solutions, offers a wide range of products tailored to meet diverse needs. Among its most significant offerings is the A.O. Smith 120 through 500 series, which includes various models designed for both residential and commercial applications.

One of the standout features of the A.O. Smith 120 through 500 series is its efficiency. Many models are designed with advanced thermal insulation and heating technologies, which significantly minimize energy loss. This efficiency not only benefits the environment but also helps users save on energy bills, making these water heaters an economical choice for both homeowners and businesses.

The series includes both gas and electric water heaters, allowing users to select the option that best fits their energy preferences and availability. Gas models typically offer faster heating times and are ideal in areas where natural gas is readily accessible. Conversely, electric models come with a variety of voltage options, accommodating different electrical setups and preferences.

A notable technological advancement in the A.O. Smith 120 through 500 series is the incorporation of smart connectivity options. Some models are equipped with Wi-Fi capabilities, allowing users to monitor and control their water heater remotely via mobile apps. This feature provides real-time data, alerts, and updates, ensuring that users have complete control over their water heating needs.

Moreover, durability is a hallmark of the A.O. Smith brand. The tanks are often constructed from high-quality materials designed to resist corrosion. Many models also feature glass lining and protective coatings, which enhance the lifespan of the heater and minimize the risk of leaks.

Safety is another priority for A.O. Smith. The series is equipped with various safety features such as automatic shut-off mechanisms and temperature controls, ensuring that any potential issues are promptly addressed.

Overall, the A.O. Smith 120 through 500 series encapsulates innovation, efficiency, and reliability. With its versatile offerings and advanced features, it stands as an excellent choice for anyone in need of a dependable water heating solution. Whether for home use or in a commercial setting, these models deliver consistent performance and peace of mind.