A.O. Smith BTI 120 warranty Type B GAS Vent, Model BTI-120, Model BTI-154

Page 9

TECHNICAL DATA VENTING

TYPE B GAS VENT

Multiple Gas Fired Tank-Type Heaters

When venting multiple tank type heaters using Type B vent pipe, follow the installation diagram (figure 4) and tables below which give sizing and data based upon NFPA 54/ANSI Z223. 1992.

MODEL BTI-120

Input: 120,000 Btu/hr

 

 

 

 

Total Vent Height (Feet)

 

 

 

 

Vent Connector Size: 5 inches

 

 

6

8

10

15

20

 

30

50

100

 

 

Input Btu/hr

 

Rise

 

Vent Connector Diameter (Inches)

 

 

 

120,000

 

1 Ft.

6

6

 

5

5

5

 

5

5

5

 

 

120,000

 

2 Ft.

5

5

 

5

5

5

 

5

5

5

 

 

120,000

 

3 Ft.

5

5

 

5

5

5

 

5

5

5

 

Number of

Combined Input

 

 

 

 

 

 

 

 

 

 

 

 

 

BTI 120 Heaters

in Thousands of Btu/hr

 

 

Manifold and Common Vent Diameter (Inches)

2

240,000

 

 

7

7

6

6

6

 

6

6

6

 

3

360,000

 

 

8

8

7

7

7

 

6

6

6

 

4

480,000

 

 

9

9

9

8

8

 

7

7

6

 

MODEL BTI-154

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input: 154,000 Btu/hr

 

 

 

 

Total Vent Height (Feet)

 

 

 

 

Vent Connector Size: 6 inches

 

 

6

8

10

15

20

 

30

50

100

 

 

Input Btu/hr

 

Rise

 

Vent Connector Diameter (Inches)

 

 

 

154,000

 

1 Ft.

6

6

6

6

6

 

6

6

6

 

 

154,000

 

2 Ft.

6

6

6

6

6

 

6

6

6

 

 

154,000

 

3 Ft.

6

6

6

6

6

 

6

6

6

 

Number of

Combined Input

 

 

 

 

 

 

 

 

 

 

 

 

 

BTI 154 Heaters

in Thousands of Btu/hr

 

 

Manifold and Common Vent Diameter (Inches)

2

308,000

 

 

7

7

6

6

6

 

6

6

6

 

3

462,000

 

 

8

8

7

7

7

 

6

6

6

 

4

616,000

 

 

9

9

9

8

8

 

7

7

6

 

MODEL BTI-180,199, 200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input: 180,000, 190,000 and 199,000 Btu/hr

 

 

 

Total Vent Height (Feet)

 

 

 

 

Vent Connector Size: 6 inches

 

 

6

8

10

15

20

 

30

50

100

 

 

Input Btuh/hr

 

Rise

 

Vent Connector Diameter (Inches)

 

 

 

180,000

 

1 Ft.

7

7

6

6

6

 

6

6

6

 

 

190,000

 

1 Ft.

7

7

7

6

6

 

6

6

6

 

 

199,000

 

1 Ft.

7

7

7

6

6

 

6

6

6

 

 

180,000

 

2 Ft.

6

6

6

6

6

 

6

6

6

 

 

190,000

 

2 Ft.

7

6

6

6

6

 

6

6

6

 

 

199,000

 

2 Ft.

7

7

6

6

6

 

6

6

6

 

 

180,000

 

3 Ft.

6

6

6

6

6

 

6

6

6

 

 

190,000

 

3 Ft.

6

6

6

6

6

 

6

6

6

 

 

199,000

 

3 Ft.

6

6

6

6

6

 

6

6

6

 

Number of

Combined Input

 

 

 

 

 

 

 

 

 

 

 

 

 

BTI Heaters

in Thousands of Btu/hr

 

 

Manifold & Common Vent Diameter (Inches)

2

360,000

 

 

7

7

6

6

6

 

6

6

6

 

380,000

 

 

7

7

7

6

6

 

6

6

6

 

 

398,000

 

 

6

7

7

6

6

 

6

6

6

 

 

540,000

 

 

7

6

6

6

6

 

6

6

6

 

3

570,000

 

 

7

6

6

6

6

 

6

6

6

 

 

597,000

 

 

6

7

6

6

6

 

6

6

6

 

 

720,000

 

 

6

6

6

6

6

 

6

6

6

 

4

760,000

 

 

6

6

6

6

6

 

6

6

6

 

 

796,000

 

 

6

6

6

6

6

 

6

6

6

 

9

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Contents Commercial GAS, GLASS-LINED, TANK-TYPE Water Heater Models BTI 120 Thru 400/AROUGH-IN-DIMENSIONS Front View TOP View Back View ROUGH-IN-DIMENSIONSGasand Electrical Characteristics Foreword Table of ContentsGeneral Safety Information Features High Altitude InstallationsHigh Limit Switch Exhaust Inducer Blower Assy Electronic Ignition ControlCirculating Pump Dishwashing Machine RequirementClearances LevelingHard Water AIR RequirementsMultiple Heater Manifold VentingType B GAS Vent Model BTI-120Model BTI-154 Model BTI-250 Model BTI-275Model BTI-310 Water Potable Heating and Space Water Line ConnectionsGAS Piping System ConnectionsGAS Pressure Regulator GAS Piping and Dirt LEG InstallationGAS Meter Size Natural Gases only Type of GASSingle Unit Wiring Diagram BTI-120 Through 400A Heater WiringTube Inlet Installation Installation DIAGRAMS-TOP INLET/OUTLET UsageGeneral Code RestrictionsHorizontal Storage Tank and Forced Circulation Vertical Storage Tank and Forced CirculationPage Circulating Return Line Connection Installation DIAGRAMS-SIDE INLET/OUTLET UsageHeater with Mixing Valve and Recirculated Sanitizing Loop TWO PRE-HEATERS with Booster Heater Horizontal Storage Tank Manifold Kits Model Dimension aOperation Sequence of Operation What to do if YOU Smell GAS For Your Safety Read Before OperatingWater Temperature Control Preventive MaintenanceCheck the Ignitor Assembly Ignitor AssemblyGAS Valves Remote Storage Tank Temperature ControlChecking the Input Venting SystemAnode ROD Inspection HOT Water OdorFlushing DrainingTank Cleanout Procedure Deliming Using FLO-JUG MethodDeliming Solvents Replacement Parts ServiceSystem Diagnostics Ignition Module SystemYES Sequence of Operation Flow ChartOperational Checklist Complaint Cause User ServicemanRemedy Claim Procedure Service and Repair ExpensesKeepthiswarrantypostedadjacenttotheheaterforfuturereference Tank

BTI 120 specifications

The A.O. Smith BTI 120 is a highly efficient and reliable commercial water heater designed to meet the demanding hot water requirements of larger businesses and institutions. As part of A.O. Smith's BTI series, this model is engineered for performance, durability, and energy efficiency, making it an excellent choice for various commercial applications.

One of the standout features of the BTI 120 is its impressive heating capacity. With a maximum output of 120 gallons per hour, it is well-suited for establishments such as restaurants, hotels, and hospitals, where high volumes of hot water are required to ensure smooth operations. The unit is designed with a robust tank that can accommodate up to 120 gallons of hot water at any given time, ensuring that there is always hot water available for use.

In terms of technology, the A.O. Smith BTI 120 incorporates advanced control systems that allow for precise temperature management. The digital display and control panels provide real-time monitoring of the water temperature, ensuring that it meets the specific needs of the business. Additionally, the system features built-in safety controls to prevent overheating and maintain optimal performance, thereby ensuring safety and efficiency.

Energy efficiency is another critical characteristic of the BTI 120. The unit is designed to minimize energy consumption while maximizing heating efficiency. This is achieved through features such as high-quality insulation and the use of advanced heating elements that deliver hot water more quickly and with less energy wastage. As a result, businesses can benefit from lower operating costs and reduced environmental impact.

Durability is a key aspect of the BTI 120, as it is constructed with high-grade materials that are resistant to corrosion and wear. This ensures a long service life and reduces the need for frequent maintenance and replacements. Furthermore, the unit is designed to operate in various environments and withstand the rigors of continuous use.

In summary, the A.O. Smith BTI 120 is a top-tier commercial water heater that combines performance, efficiency, and durability. With its high heating capacity, advanced control systems, energy-saving features, and robust construction, it is an ideal solution for any business requiring a reliable hot water supply. Choosing the BTI 120 means investing in a product that can enhance operational efficiency and contribute to long-term cost savings.
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