A.O. Smith BTH 120-250(A) warranty Pipe Relief Valve to Open Drain

Page 26

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

WITH OR WITHOUT BUILDING RECIRCULATION

DANGER

* PIPE RELIEF VALVE TO OPEN DRAIN

TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROLWARNING ON PAGE

4.IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES

**140°F (60°C)TO 150°F (66°C) SHOULD BE MAXIMUM WATER TEMPERATURE MAINTAINED INTHE PRE-HEATERS.

120°F (49°C) SHOULD BE THE MINIMUM TEMPERATURE OF WATER IN THE PRE- HEATERS.

CONNECT CIRCULATING LINE FROM FIXTURES, IF USED, TO COLD WATER SUPPLY LINE OF PRE-HEATER.

CONNECTCIRCULATING LINE OF 180°F (82°C) OR BOOSTED WATER, IF USED, TO INLET WATER LINE TO BOOSTER.

INSTALL IN ACCORDANCE WITH LOCALCODES.

Image 26

Contents Cyclone XHE Model BTH 120-250A What to do if YOU Smell GASBTH-120 NPT BTH-150 199 Cyclone XHE BTH 120 250 ROUGH-IN-DIMENSIONSForeword InputTable of Contents FeaturesInstallation Instructions Locating the Heater ClearancesChemical Vapor Corrosion Hard WaterAIR Requirements Mechanical Exhausting of Room AIRDirect Vent Horizontal VentTransmitted Into the Living Spaces Direct Vent Terminal InstallationDirect Venting 6cm 45 PVC Elbow with Mesh ScreenInstallation Sequence Vent terminals supplied with the heater must be usedVertical Vent Terminal Installation Installation of Vent SystemVent Pipe Preparation Controls and SwitchesBlower Prover Switch GAS Piping System Connections Water Line Connections WHC1202 Integrated Water Heater Control Connection DiagramHeater Wiring Closed SystemSequence of Operation Self Diagnostic ControllerOperation Item DescriptionGAS Valve LED Flashing Fault ConditionsTemperature Probe Fault Figure No Incoming Line Voltage Line LED OffCombustion AIR Blockage Figure ECO Switch Open FigureControl BAD Figure Operating Instructions Adjustment ProcedurePrior to Start UP Initial START-UPFor Your Safety Read Before Operating Maintenance General InformationDraining Anode Inspection and ReplacementFlushing Sediment RemovalTo inspect or replace an anode Drain Valve and Access PanelsVent System Installation Diagrams Install in Accordance with Local Codes Must be Identical Heaters Pipe Relief Valve to Open Drain Page Manifold Kits Checklist and Service Information TROUBLE-SHOOTINGMotor RUNS, Burner Lights Momentarily Then Locks OUT Replacement PartsMotor will not RUN Noisy Burner OperationTank Service and Repair ExpensesClaim Procedure ALL Other PartsSmith Water Products Company

BTH 120-250(A) specifications

A.O. Smith BTH 120-250(A) is a cutting-edge water heater designed to meet the demands of residential and commercial settings. This high-efficiency unit is equipped with a range of features aimed at maximizing performance and minimizing energy consumption, making it a popular choice among homeowners and builders alike.

One of the standout features of the A.O. Smith BTH 120-250(A) is its energy efficiency. It operates with a thermal efficiency rating of up to 96%, which means that a significant portion of the fuel consumed is converted into usable hot water. This not only reduces energy bills but also lessens the environmental impact of water heating.

The unit employs advanced condensing technology, which captures and utilizes the heat from flue gases that would otherwise be lost in traditional units. This technology allows for lower exhaust temperatures and the potential for venting through PVC, significantly simplifying installation in various settings.

With a capacity range of 120 to 250 gallons, the BTH series is versatile enough to serve different needs. It is suitable for multiple applications, including large residential homes, commercial businesses, and industrial installations. The varying sizes ensure that it can deliver adequate hot water supply, even during peak demand periods.

In addition to its impressive capacity and efficiency, the A.O. Smith BTH 120-250(A) features a user-friendly digital control system. This allows users to easily set and monitor water temperatures, helping to prevent scalding and ensuring consistent comfort. The integrated diagnostics system alerts users to potential issues, facilitating proactive maintenance and reducing downtime.

Another appealing characteristic of this water heater is its durable construction. Built with high-quality materials, it is designed to withstand the rigors of frequent use while maintaining optimal performance over time. Furthermore, it comes equipped with an innovative flame rollback feature, enhancing safety by reducing the risk of flashback.

Overall, the A.O. Smith BTH 120-250(A) stands out in the competitive water heater market due to its exceptional efficiency, advanced technologies, and robust construction. Whether for residential or commercial use, this model provides reliable hot water supply while promoting energy savings and environmental sustainability. Its combination of performance and user-friendly features makes it a top choice for those seeking a reliable water heating solution.