Manuals / A.O. Smith / Household Appliance / Water Heater

A.O. Smith 650A, 740A, BTP(V)-540A warranty Circulating Pump Wiring Diagram

Models: BTP(V)-540A 650A, 740A

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TWO TEMPERATURE - THREE HEATERS (TWO PRE-HEATERS/ONE BOOSTER)

WITH OR WITHOUT BUILDING RECIRCULATION

CAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACKFLOW PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE, PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED.

FOR MULTIPLE HEATER INSTALLATION SEE MANIFOLD KIT SPECIFICATIONS, PAGE 18.

DANGER

TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 23. IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES.

TWO TEMPERATURE - TWO HEATERS (ONE PRE-HEATER/ONE BOOSTER HEATER)

WITH OR WITHOUT BUILDING RECIRCULATION

*PIPE RELIEF VALVE TO OPEN DRAIN.

**140°F TO 150°F SHOULD BE MAXIMUM WATERTEMPERATUREMAINTAINEDINTHE PRE-HEATERS.

120°F SHOULD BE THE MINIMUM TEMPERATURE OF WATER IN THE PRE- HEATERS.

CIRCULATING PUMP WIRING DIAGRAM

CONNECT CIRCULATING LINE FROM FIXTURES, IF

USED, TO COLD WATER SUPPLY LINE OF PRE-

HEATER.

CONNECT CIRCULATING LINE OF 180°F OR BOOSTED

WATER, IF USED, TO INLET WATER LINE TO BOOSTER.

INSTALL IN ACCORDANCE WITH LOCAL CODES.

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A.O. Smith 650A, 740A, BTP(V)-540A warranty Circulating Pump Wiring Diagram
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BTP(V)-540A, 650A, 740A specifications

A.O. Smith is renowned for its innovative water heating solutions, and the 650A, 740A, and BTP(V)-540A models exemplify this legacy. These water heaters are designed with advanced technology and feature a range of specifications tailored to meet diverse heating needs.

The A.O. Smith 650A model stands out with its efficient design and high-capacity heating capabilities. It is equipped with a powerful heating element that ensures rapid water heating, allowing consumers to enjoy hot water without long waits. The unit's tank is insulated with durable materials, which minimizes heat loss and enhances energy efficiency. Additionally, it incorporates a glass-lined tank that resists corrosion and extends the lifespan of the water heater, making it a reliable choice for households.

Moving on to the 740A model, this unit is designed for larger applications and can accommodate significant hot water demands. Its advanced heating technology includes an impressive recovery rate, which enables it to supply hot water even during peak usage times. The 740A is also equipped with smart diagnostics that monitor the system's performance, ensuring optimal operation and identifying potential issues before they escalate. This feature enhances user convenience and reduces maintenance costs.

The BTP(V)-540A takes efficiency one step further with its unique heat pump technology. It captures ambient heat from the surroundings to heat water, significantly reducing energy consumption compared to traditional electric water heaters. This eco-friendly model is ideal for those looking to lower their energy bills without sacrificing performance. The BTP(V)-540A also features a user-friendly digital display that allows users to easily adjust settings and monitor performance.

In summary, the A.O. Smith 650A, 740A, and BTP(V)-540A models showcase the brand's commitment to quality, efficiency, and innovation. Each model comes with distinct features tailored to different household requirements. With advanced heating technologies, robust construction, and user-friendly interfaces, these water heaters represent some of the best options available in the market for ensuring a reliable hot water supply. A.O. Smith continues to set the bar high in the water heating industry, making these models a smart investment for any home.