A.O. Smith BTH 300A, BTH 400A warranty Rough-In-Dimensions, Foreword, GAS Valve Piping

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ROUGH-IN-DIMENSIONS

 

 

GAS VALVE PIPING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BTH-300

1 1/4" NPT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BTH-400

1 1/4" NPT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TABLE 1 RECOVERY CAPACITIES.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

U.S. Gallons/Hr and Litres/Hr at TEMPERATURE RISE INDICATED

 

 

 

 

 

TYPE OF

 

INPUT

 

 

Approx.

20F°

30F°

40F°

50F°

60F°

70F°

80F°

90F°

100F°

110°

120F°

130F°

140F°

MODEL

 

GAS

 

BTUH

KW

 

 

Capacity

11C°

17C°

22C°

28C°

33C°

39C°

44C°

50C°

56C°

61C°

67C°

72C°

78C°

BTH-300

 

NATURAL

 

 

300,000

 

 

130 US Gals.

GPH

1746

1164

873

699

582

499

436

388

349

318

291

269

250

 

 

 

 

88

 

 

492 Litres

LPH

6610

4406

3304

2644

2203

1888

1652

1469

1322

1201

1102

1017

945

 

 

 

 

 

 

 

 

 

BTH-300

 

PROPANE

 

300,000

 

 

130 US Gals.

GPH

1746

1164

873

699

582

499

436

388

349

318

291

269

250

 

 

 

88

 

 

492 Litres

LPH

6610

4406

3304

2644

2203

1888

1652

1469

1322

1201

1102

1017

945

 

 

 

 

 

 

 

 

 

BTH-400

 

NATURAL

 

399,900

 

 

130 US Gals.

GPH

2328

1552

1164

931

776

665

582

517

466

423

388

359

332

 

 

 

117

 

 

492 Litres

LPH

8813

5875

4406

3525

2938

2518

2203

1958

1763

1602

1469

1356

1259

 

 

 

 

 

 

 

 

 

BTH-400

 

PROPANE

 

399,900

 

 

130 US Gals.

GPH

2328

1552

1164

931

776

665

582

517

466

423

388

359

332

 

 

 

117

 

 

492 Litres

LPH

8813

5875

4406

3525

2938

2518

2203

1958

1763

1602

1469

1356

1259

 

 

 

 

 

 

 

 

 

Recovery capacities are based on heater performance at 96% thermal efficiency.

FOREWORD

These designs comply with the current edition of the American

National Standard for Gas Water Heaters, Volume III,

ANSI Z21.10.3 / CSA 4.3 as an automatic circulating tank water heater, and automatic storage water heaters.

Detailed installation diagrams are found in this manual. These diagrams will serve to provide the installer with a reference for the materials and methods of piping necessary. It is highly essential that all water, gas piping and wiring be installed as shown on the diagrams.

Particular attention should be given to the installation of thermometers at the locations indicated on the diagrams as these are necessary for checking the proper functioning of the heater.

In addition to these instructions, the equipment shall be installed in accordance with those installation regulations in force in the local area where the installation is to be made. These shall be carefully followed in all cases. Authorities having jurisdiction should be consulted before installations are made.

In the absence of local codes, the installation must comply with the current editions of the National Fuel Gas Code, ANSI Z223.1/NFPA 54 and the National Electrical Code, NFPA 70 or CAN/CSA-B149.1, the Natural Gas and Propane Installation Code and CSA C22.1, the Canadian Electrical Code. All documents are available from the Canadian Standards Association, 8501 East Pleasant Valley Road, Cleveland, OH 44131. NFPA documents are also available from the National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269.

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Contents Cyclone XHE Model BTH 300A and 400A GAS Valve Piping ROUGH-IN-DIMENSIONSForeword Table of Contents FeaturesQuick Installation Tips Horizontal Sidewall Venting Vertical Rooftop VentingDishwashing Machine Requirement Water Temperature Setpoint Adjustment ProcedureHigh Limit Switch E.C.O Required Ability Installation InstructionsCirculating Pump Insulation BlanketsUnconfined Space ClearancesHard Water Confined SpaceUS Direct Vent Canadian Direct VentUS Horizontal Vent Canadian Horizontal VentDirect Venting Direct Vent Terminal InstallationVent Pipe Termination Installation Sequence Vertical Vent Terminal InstallationInstallation of Vent System Vent Length TableBlocked Outlet Prover Switch Controls and SwitchesBlower Prover Switch Blocked Inlet Prover SwitchConnection of GAS Pipe HOT Surface IgniterGAS Piping System Connections Heater Wiring Page Sequence of Operation Self Diagnostic ControllerOperation GAS Valve LED FlashingError Codes Fault ConditionsECO Switch OPEN. See Figure Prior to Start UP Required Ability Adjustment Procedure Initial START-UPOperating Instructions Operating Instructions What to do if YOU Smell GASGeneral Information Draining Maintenance ScheduleFlushing Sediment RemovalPower Supply LED Meanings Powered Anode SystemPowered Anode Operation 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 Water is TOO HOT Burner Operational ProblemsNot Enough or no HOT Water Water Heater Makes SoundsMotor will not RUN Motor RUNS, Burner Lights Momentarily Then Locks OUTGAS Fails to Shut OFF Replacement PartsNoisy Burner Operation 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.