A.O. Smith BTH 300A, BTH 400A warranty Cyclone XHE Model BTH 300A and 400A

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CYCLONE XHE® Model BTH 300A AND 400A

Series 976, 977

COMMERCIAL GAS WATER HEATER

GAS-FIRED POWER BURNER

FOR DOMESTIC HOT WATER

• INSTALLATION • OPERATION • SERVICE • MAINTENANCE • LIMITED WARRANTY

WARNING: If the information in these instructions is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.

–Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.

–WHAT TO DO IF YOU SMELL GAS:

•Do not try to light any appliance.

•Do not touch any electrical switch; do not use any phone in your building.

•Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.

•If you cannot reach your gas supplier, call the fire department.

–Installation and service must be performed by a qualified installer, service agency or the gas supplier.

Thank you for buying this energy efficient water heater from A.O. Smith Water Products Company. We appreciate your confidence in our products.

Series 976, 977

CAUTION

 

TEXT PRINTED OR OUTLINED IN RED CONTAINS

 

INFORMATION RELATIVE TO YOUR SAFETY. PLEASE

 

READ THOROUGHLY BEFORE INSTALLING AND USING

 

THIS APPLIANCE.

www.hotwater.com

PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE.

PRINTED IN U.S.A. 0706

PART NO. 197373-001

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Contents Cyclone XHE Model BTH 300A and 400A Foreword ROUGH-IN-DIMENSIONSGAS Valve Piping Features Table of ContentsHorizontal Sidewall Venting Vertical Rooftop Venting Quick Installation TipsHigh Limit Switch E.C.O Water Temperature Setpoint Adjustment ProcedureDishwashing Machine Requirement Circulating Pump Installation InstructionsRequired Ability Insulation BlanketsHard Water ClearancesUnconfined Space Confined SpaceCanadian Direct Vent US Direct VentCanadian Horizontal Vent US Horizontal VentVent Pipe Termination Direct Vent Terminal InstallationDirect Venting Vertical Vent Terminal Installation Installation SequenceVent Length Table Installation of Vent SystemBlower Prover Switch Controls and SwitchesBlocked Outlet Prover Switch Blocked Inlet Prover SwitchGAS Piping HOT Surface IgniterConnection of GAS Pipe System Connections Heater Wiring Page Operation Self Diagnostic ControllerSequence of Operation GAS Valve LED FlashingFault Conditions Error CodesECO Switch OPEN. See Figure Operating Instructions Adjustment Procedure Initial START-UPPrior to Start UP Required Ability What to do if YOU Smell GAS Operating InstructionsGeneral Information Flushing Maintenance ScheduleDraining Sediment RemovalPowered Anode Operation Powered Anode SystemPower Supply LED Meanings Drain Valve and Access PanelsInstallation Diagrams Install in Accordance with Local Codes Must be Identical Heaters Install in Accordance with Local Codes Page Manifold Kits Not Enough or no HOT Water Burner Operational ProblemsWater is TOO HOT Water Heater Makes SoundsMotor RUNS, Burner Lights Momentarily Then Locks OUT Motor will not RUNNoisy Burner Operation Replacement PartsGAS Fails to Shut OFF Model BTH Limited Warranty

BTH 300A, BTH 400A specifications

A.O. Smith has established itself as a leader in the water heating industry, offering a range of products that combine efficiency, reliability, and innovative technology. Among these products, the BTH 300A and BTH 400A models stand out for their advanced features and robust performance, catering to both residential and commercial needs.

The BTH 300A and BTH 400A are high-efficiency water heaters designed with cutting-edge condensing technology, allowing for significant energy savings compared to traditional water heating systems. These models utilize a modulating gas valve that adjusts the burner operation based on the demand for hot water. This smart system not only enhances efficiency but also ensures a consistent supply of hot water without the worry of fluctuations.

One of the standout features of the BTH series is its compact design. Both the BTH 300A and BTH 400A are engineered to fit into smaller spaces, making them ideal for properties with limited installation areas. Their lightweight construction and user-friendly installation features further simplify the process, ensuring that homeowners and professionals alike can set them up with ease.

The BTH models are equipped with advanced control systems that offer precise temperature adjustment capabilities. Users can easily customize their hot water settings to meet specific household or business requirements. This adaptability is supported by the built-in digital display, which provides real-time information about the operating status of the unit.

Safety is a key consideration in the design of the BTH 300A and BTH 400A. They feature a robust set of safety mechanisms, including temperature lockout and venting safeguards, ensuring reliable operation and peace of mind for users. A.O. Smith also understands the importance of longevity in water heaters, and these models are built with high-quality materials, making them resistant to corrosion and wear over time.

In terms of performance, both the BTH 300A and BTH 400A models deliver exceptional heating capabilities, capable of meeting high demands while maintaining efficiency. With customer satisfaction at the forefront, A.O. Smith backs these units with an extensive warranty, demonstrating their commitment to quality and long-term performance.

In summary, the A.O. Smith BTH 300A and BTH 400A water heaters exemplify the marriage of innovation and functionality. With their energy-efficient operation, customizable settings, compact design, and advanced safety features, these models are a compelling choice for those in need of reliable and effective hot water solutions.
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