American Water Heater ABCG3 Technical Data Venting, Multiple Gas Fired Tank-Type Heaters

Page 18

TABLE 7. 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 and tables below which give sizing and data based upon NFPA 54/ANSI Z223. 1992.

MODEL BCG370T1205NOX

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

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 BCG380T1506NOX

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

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 BCG395, (A)BCG3100-180, 199, 200

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

Total Vent Height (Feet)

 

 

 

 

 

Vent Connector Size: 6 inches

 

 

6

 

8

 

10

15

20

30

50

 

100

 

 

 

Input Btuh/hrRise

 

 

 

 

Vent Connector Diameter (Inches)

 

 

 

 

180,000

1 Ft.

7

 

7

 

6

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

 

 

 

199,000

2 Ft.

7

 

7

 

6

6

6

6

6

 

6

 

 

 

180,000

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

 

 

 

 

 

 

 

 

 

 

 

 

 

Heaters

 

in Thousands of Btu/hr

 

 

Manifold and Common Vent Diameter (Inches)

 

2

 

360,000

 

7

 

7

 

6

6

6

6

6

 

6

 

 

398,000

 

7

 

7

 

7

6

6

6

6

 

6

 

 

 

 

 

 

 

 

3

 

540,000

 

7

 

6

 

6

6

6

6

6

 

6

 

 

597,000

 

7

 

7

 

6

6

6

6

6

 

6

 

 

 

 

 

 

 

 

4

 

720,000

 

6

 

6

 

6

6

6

6

6

 

6

 

 

796,000

 

6

 

6

 

6

6

6

6

6

 

6

 

 

 

 

 

 

 

18

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Contents Commercial gas water heaters Table Of Contents Safe Installation, Use and Service ApprovalsGeneral Safety Information Fire and Explosion HazardPrecautions Hydrogen Gas Flammable Grounding InstructionsAbbreviations Used Qualified Installer or Service AgencyIntroduction QualificationsLow Gas Pressure Switch Eliminator self-cleaning systemHigh Limit Switch Electronic Ignition ControlROUGH-IN-DIMENSIONS Installation considerationsRough In Dimensions Recovery CAPACITIES, based on 80% efficiencyLocating the Water Heater ClearancesInstallation on Combustible Flooring Insulation BlanketCirculation pumps High Altitude Installations Installation Requirements Closed Water Systems Temperature-Pressure Relief ValveDishwashing Machines Thermal ExpansionContaminated Air Air RequirementsValve Discharge Pipe Requirements Unconfined Space Confined SpaceVenting Outdoor Air Through Two Openings Multiple Heater ManifoldFresh Air Openings for Confined Spaces Outdoor Air Through One OpeningOutdoor Air Through Two Vertical Ducts Air From Other Indoor SpacesTechnical Data Venting Multiple Gas Fired Tank-Type HeatersTechnical Data Venting Water heater installation Water Line ConnectionsValve Discharge Pipe Installation Diagrams Top Inlet/Outlet Usage Tube Inlet InstallationHeater Wiring Purging Gas Line Leak TestingGas Piping Gas Meter Size Natural Gases OnlyStart Up Prior to Start UpInitial Start Up Gas Valves Water Temperature AdjustmentChecking Venting Checking the InputSequence of Operation Lighting & Operation LabelSequence of Operation Flow Chart Maintenance Draining and Flushing Hot Water OdorAnode Rod Inspection To Drain the Water Heater Storage TankDeliming Solvents Tank Cleanout ProcedureDeliming Using FLO-JUG Method ExampleChemical Hazard System Diagnostics Ignition Module SystemElectrical Servicing Start Up Conditions High Water Temperature Shut Off SystemFor Your Information Operational ConditionsTroubleshooting Qualified Service AgencyComplaint Cause Remedy User Diagrams Water PipingTemperature & Pressure Temperature & Pressure Relief Valve Circulating Pump Multi Flue 2 Units Multi Flue 2 Units with Vertical Storage Tank Multi Flue 2 Units with Vertical Storage Tank Return from Multi Flue 2 Units TWO Temperature Multi Flue 2 Units with Booster TWO Temperature MULTI-FLUE 3 Units MULTI-FLUE 3 Units with Vertical Storage Tank MULTI-FLUE 3 Units with Horizontal Storage Tank Multi Flue Flue 4 Units MULTI-FLUE 4 Units with Vertical Storage Tank MULTI-FLUE 4 Units with Horizontal Storage Tank Manifold Kits ALL Other Parts Service and Repair ExpensesClaim Procedure Conditions and Exceptions
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