RESIDENTIAL GAS AND ELECTRIC WATER HEATER

SERVICE HANDBOOK

Residential Electric – continued

A-6 service – continued

Grounded Element Test – Amperage Method - using “clamp type” Amperage Meter. Many multimeters could be used to conduct this test but be certain that the amperage limits of the multimeter will not be exceeded.

Complaint:A grounded element is suspected whenever the water temperature becomes excessively hot and/or the end user must push the high limit reset to reactivate the heater.

Amperage measures the flow of current through a wire.

Watts divided by volts = Amps

Test Conditions

Wires on the water heater are all connected to their proper terminals.

Power to the heater is "on".

Both thermostats are satisfied.

Clamp the jaws of the Amp Meter around each wire connected to the elements – one wire at a time.

If …

… then

meter reads the proper amperage (+5, -

the thermostat is calling for heat.

10%)

 

meter reads approximately ½ of the

replace the element.

proper amperage

 

meter reads NO amperage

thermostat and element are not grounded.

 

 

A.O. Smith Water Products Company

38

Training Department

©2002

Ashland City, Tennessee

 

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A.O. Smith TC-049-R2 manual Service Handbook
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TC-049-R2 specifications

The A.O. Smith TC-049-R2 is a highly efficient and reliable water heater designed to meet the needs of both residential and light commercial applications. This gas-fired water heater offers a perfect blend of performance, efficiency, and durability, making it a popular choice among homeowners and business owners alike.

One of the standout features of the A.O. Smith TC-049-R2 is its tankless design. Unlike traditional water heaters with storage tanks, the TC-049-R2 heats water on demand, which means you only use energy when you need hot water. This not only results in lower energy bills but also provides an endless supply of hot water, ideal for households with multiple bathrooms or high hot water demands.

The TC-049-R2 is powered by natural gas, which enhances its efficiency and operating costs. With an impressive energy factor, this water heater is designed to conserve energy without compromising on performance. The unit also boasts a high recovery rate, which means it can quickly replenish hot water, ensuring you’re never left waiting.

Another notable technology in the A.O. Smith TC-049-R2 is its advanced electronic ignition system, which provides reliable start-up and reduces the chance of pilot light issues. Additionally, the unit features a scaled-down footprint, making it suitable for installation in tighter spaces, such as closets or utility rooms, without sacrificing performance.

Durability is a key characteristic of the TC-049-R2, as it is constructed with high-quality materials designed to resist corrosion and withstand typical wear and tear. The unit is equipped with a durable heat exchanger that enhances both efficiency and longevity, ensuring many years of reliable service.

Safety features are also prioritized in the A.O. Smith TC-049-R2. It comes equipped with advanced safety controls that prevent overheating and ensure safe operation. This offers peace of mind for users, knowing that the unit has multiple safeguards in place.

Overall, the A.O. Smith TC-049-R2 is an excellent choice for those seeking an efficient, reliable, and safe water heating solution. Its combination of advanced features, innovative technology, and robust construction makes it a leader in the water heater market, providing convenience and comfort to its users for years to come.
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