State Industries STC-074 specifications 120 154 180 199 200A

Page 42

SBN TANK TYPE COMMERCIAL GAS WATER HEATER

SERVICE HANDBOOK

 

 

120

154

180

199

200(A)

 

Blower Assembly:

 

 

 

 

 

3

Blower

194408

194408

194408

194408

194408

4

Outlet Assembly, Exhaust

194424

194424

194424

194424

194424

6

Burner, Orifice Bracket, Main

98044

98044

98044

98044

98044

7

Burner, Orifice, Main (N) SBN

76243-32

76243-30

76243-33

76243-32

76243-32

8

Burner Assembly, Main (N) SBN

194648

194648

194648

194648

194648

9

Burner w/Igniter Bracket, Main BTN ....

194760

194760

194760

194760

194760

11

Gasket, Cleanout

99038

99038

99038

99038

99038

14

Control, Ignition Assembly

194392

194392

194392

194392

194392

17

Cover, Control Box

194395

194395

194395

194395

194395

18

Cover, Inner

194388-4

194388-4

194388-4

194388

194388

19

Cover, Jacket

194389

194389

194389

194389

194389

22

Ignitor, Flame Sensor

194405

194405

194405

194405

194405

23

Insulation, Top

194439

194439

194439

194439

194439

*39

Manual, Instruction-SBN

194403

194403

194403

194403

194403

40

Plate, Mounting

193439

193439

193439

193439

193439

41

Probe/ECO, Upper Thermostat

194396

194396

194396

194396

194396

42

Probe/Lower Thermostat

194397

194397

194397

194397

194397

43

Rod, Anode

180618-42 ...

180618-42

180618-42

180618-42 ... 180618-42

44

Switch, Blower Prover

194411-3

194411-7

194411-4

194411-3

194411

45

Switch, Low Gas Pressure

191149-5

191149-5

191149-5

191149-5

191149-5

46

Switch, Off/On

193243

193243

193243

193243

193243

47

Thermostat, Digital

194393

194393

194393

194393

194393

48

Tube, Inlet

192626-1

192626-1

192626-1

192626-1

192626-1

49

Tube, Outlet

192627-1

192627-1

192627-1

192627-1

192627-1

51

Valve, Gas - Natural SBN

194536-1

194536-1

194536

194536

194536

 

BTI Valve, Gas - Propane

194536-3

194536-3

194536-3

194536-3

194536-3

52

Valve, T&P

192467

192467

192467

192467

192467

*53

Wire Harness - Control Nat. Gas

194545

194545

194545

194545

194545

*54

Wire Harness - Power

194398

194398

194398

194398

194398

*Items not illustrated.

Part numbers underlined are recommended stock items for emergency replacement (consider gas used in your area only). Request from Parts Department by giving all information such as model and series number, type of gas and specifications.

Technical Training Department

41

©2003

Ashland City, Tennessee

Image 42
Contents Service Handbook Table of Contents SBN Service Handbook Introduction Qualifications Custom Commercial Storage Tank Model Number Break DownInstallation Considerations Top and Front Views of Minimum Clearances To CombustiblesExterior Clearance Required Exterior ClearancesComb AIR Make-Up Air Direct Communication Not Direct Vent Make-Up Air Vertical Ducts Make-Up Air Horizontal DuctsContaminated Air Air for Combustion Flammable ItemsGas Valve Outlet View Venting Venting Atmospheric Multiple HeatersNine Rules for Good Vents SBN Tank Type Commercial GAS Water Heater Service Handbook SBN Tank Type Commercial GAS Water Heater Service Handbook Type B GAS Vent Multiple Gas Fired Tank-Type HeatersTechnical Dataventing Sequence Top ViewFront View of Water Heater SBN Tank Type Commercial GAS Water Heater Service Handbook HSI Integrated Ignition Control Board Lower Front View of SBN Water Heater HSIWiring Diagram ECOElectrical Sequence of SBN Water Heater Operation PRE-SERVICE Checklist Conditions Water Heater Control Ignition Control BoardFlash Codes of Diagnostic Indicator Test 2 Polarity CheckTest 2 Polarity Check Test 3 Continuity Check High Limit ECOIs indicated Test 4 Upper Temperature Probe Continuity CheckTest 3 Continuity Check of High Limit ECO Is not presentTest 5 Calling for Heat no Inducer Operation Water Heater ControlCheck to Inducer Test on Ignition Board 4 Pin Receptacle E4 Test 6 Inducer ON-NO Ignition VAC Check of Blower Prover/Low Gas Pressure CircuitVoltage is not present between E4, Pin Test 8 Igniter Heats no Main Burner Test of Igniter and gas valve circuitTest 9 Igniter Heats no Main Burner Continuity Check Of Gas Valve CoilTest 10 Main Burner Ignition for Less than 5 Seconds Flame Prover Circuit CheckTest 11 Water Heater Shutting OFF below Setting If… ThenDisplay 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