State Industries STC-074 specifications Type B GAS Vent, Multiple Gas Fired Tank-Type Heaters

Page 17

SBN TANK TYPE COMMERCIAL GAS WATER HEATER

SERVICE HANDBOOK

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 SBN 71-120NE

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

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 SBN 81-154NE

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

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 SBN 81-180NE, SBN 100-199NE

 

 

 

 

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

Heaters

in Thousands of Btu/hr

 

Manifold & Common Vent Diameter (Inches)

 

360,000

 

 

7

7

6

6

6

6

6

6

2

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

 

 

 

 

 

 

 

 

 

 

 

 

©2003

 

 

16

 

 

 

Technical Training Department

Ashland City, Tennessee

Page 16 Page 18
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Page 16 Page 18
Contents Service Handbook Table of Contents SBN Service Handbook Introduction Custom Commercial Storage Tank Model Number Break Down QualificationsTop and Front Views of Minimum Clearances To Combustibles Installation ConsiderationsRequired Exterior Clearances Exterior ClearanceComb AIR Make-Up Air Direct Communication Not Direct Vent Make-Up Air Horizontal Ducts Make-Up Air Vertical DuctsAir for Combustion Flammable Items Contaminated AirGas Valve Outlet View Venting Atmospheric Multiple Heaters Venting Nine Rules for Good Vents SBN Tank Type Commercial GAS Water Heater Service Handbook SBN Tank Type Commercial GAS Water Heater Service Handbook Multiple Gas Fired Tank-Type Heaters Type B GAS VentTechnical Dataventing Top View SequenceFront View of Water Heater SBN Tank Type Commercial GAS Water Heater Service Handbook HSI Integrated Ignition Control Board HSI Lower Front View of SBN Water HeaterECO Wiring DiagramElectrical Sequence of SBN Water Heater Operation PRE-SERVICE Checklist Water Heater Control Ignition Control Board ConditionsTest 2 Polarity Check Flash Codes of Diagnostic IndicatorTest 3 Continuity Check High Limit ECO Test 2 Polarity CheckTest 3 Continuity Check of High Limit ECO Test 4 Upper Temperature Probe Continuity CheckIs indicated Is not presentCheck to Inducer Test on Ignition Board 4 Pin Receptacle E4 Test 5 Calling for Heat no Inducer OperationWater Heater Control VAC Check of Blower Prover/Low Gas Pressure Circuit Test 6 Inducer ON-NO IgnitionVoltage is not present between E4, Pin Test of Igniter and gas valve circuit Test 8 Igniter Heats no Main BurnerContinuity Check Of Gas Valve Coil Test 9 Igniter Heats no Main BurnerFlame Prover Circuit Check Test 10 Main Burner Ignition for Less than 5 SecondsIf… Then Test 11 Water Heater Shutting OFF below SettingDisplay Lights on Integrated Heater Control ECO SBN Tank Type Commercial GAS Water Heater Service Handbook Technical Training Department 120 154 180 199 200A 250A 275A 310A 366A 400A General Questions and Answers SBN Tank Type Commercial GAS Water Heater Service Handbook Draft Proving Pressure Switch Table
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