Manuals / State Industries / Household Appliance / Water Heater

State Industries STC-077 dimensions Wiring Diagrams

Models: STC-077

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S U F S E R V I C E H A N D B O O K

W I R I N G D I A G R A M S

WIRING DIAGRAMS

State Water Heaters	35	Technical Training Department
Ashland City, Tennessee © 2004	35	STC-077

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State Industries STC-077 dimensions Wiring Diagrams

Contents

Commercial SUF Service Handbook Table of ContentsIntroduction Tools RequiredInstallation GAS Supply SpecificationsClearances GAS RequirementsVenting Equivalent Feet of Pipe Intake or ExhaustDirect Venting Vent Length Table Number Minimum Maximum Elbows Pipe FeetVenting Configurations Venting MaterialsHorizontal Installation Vertical Installation Concentric Vent TerminationVenting Clearances SUF ModelExterior Sidewall Clearances Direct Vent Installation AIR RequirementsMAKE-UP AIR Direct Communication Vertical DuctsHorizontal Ducts Insufficient MAKE-UP AIRBackdraft Contaminated AIR Flammable ItemsMultiple Unit Water Piping Condensation Operation Sequence of OperationNormal Indications / Readings / Settings ControlsDuring Call for Heat Circut Boards Display Circuit Board Ignition Circuit BoardTroubleshooting PRE-SERVICE TipsVAC to Control VAC to Control BoardTransformer VAC to TransformerVAC from Transformer ECO Check VAC to ECOVAC from ECO Check for 24 VAC Between PIN 1 on CN3 Plug and GroundTemperature Probe Temperature Probe ResistanceUpper Lower Temperature Probe PlugPressure Switch Continuity Pressure Switch Continuity TestBlower VAC to BlowerPressure Switch Performance Take AIR and GAS Pressure ReadingsAmbient Room AIR Pressure Pressure Switch Continuity Test Operational OnlyVAC to Ignitor VAC to IgnitorIgnitor Resistance Ignitor Resistance CheckGAS Valve Test SUF 240 onlyVAC to GAS Valve GAS Pressure Check Supply GAS Pressure TestManifold GAS Pressure Test Component Information Orifice TablePressure Swtches Pressure Switches Pressure Switches Part Number / Activation PRESSURE†Wiring Diagrams Service Aids SUF Muffler T E SQuestions and Answers When should SUF’s be delimed?How often should the anodes be inspected? Error Codes Code IndicationCode #S AboveService Checklist III. GAS Pressure Fill in Blank ALL Units onSUF Models 100 150, 100 199 and 100 State Water HeatersUltra Force SUF Models Replacement Parts Description SUFUltra Force SUF Controls Parts List T E S Expert’s Choice