Manuals / State Industries / Household Appliance / Water Heater

State Industries STC-077 dimensions T E S

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

P A R T S L I S T

N O T E S :

Technical Training Department	44	State Water Heaters
STC-077	44	Ashland City, Tennessee © 2004

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State Industries STC-077 dimensions T E S

Contents

Commercial Table of Contents SUF Service HandbookTools Required IntroductionGAS Supply Specifications InstallationClearances GAS RequirementsEquivalent Feet of Pipe Intake or Exhaust VentingDirect Venting Vent Length Table Number Minimum Maximum Elbows Pipe FeetVenting Materials Venting ConfigurationsConcentric Vent Termination Horizontal Installation Vertical InstallationSUF Model Venting ClearancesExterior Sidewall Clearances Direct Vent Installation AIR RequirementsMAKE-UP AIR Vertical Ducts Direct CommunicationHorizontal Ducts Insufficient MAKE-UP AIRBackdraft Flammable Items Contaminated AIRMultiple Unit Water Piping Condensation Sequence of Operation OperationNormal Indications / Readings / Settings ControlsDuring Call for Heat Display Circuit Board Ignition Circuit Board Circut BoardsPRE-SERVICE Tips TroubleshootingVAC to Control VAC to Control BoardVAC to Transformer TransformerVAC from Transformer VAC to ECO ECO CheckCheck for 24 VAC Between PIN 1 on CN3 Plug and Ground VAC from ECOTemperature Probe Resistance Temperature ProbeUpper Lower Temperature Probe PlugPressure Switch Continuity Test Pressure Switch ContinuityVAC to Blower BlowerPressure Switch Performance Take AIR and GAS Pressure ReadingsAmbient Room AIR Pressure Only Pressure Switch Continuity Test OperationalVAC to Ignitor VAC to IgnitorIgnitor Resistance Check Ignitor ResistanceGAS Valve Test SUF 240 onlyVAC to GAS Valve GAS Pressure Check Supply GAS Pressure TestManifold GAS Pressure Test Orifice Table Component InformationPressure Swtches Pressure Switches Part Number / Activation PRESSURE† Pressure SwitchesWiring Diagrams Service Aids T E S SUF MufflerQuestions and Answers When should SUF’s be delimed?How often should the anodes be inspected? Code Indication Error CodesCode #S AboveIII. GAS Pressure Fill in Blank ALL Units on Service ChecklistState Water Heaters SUF Models 100 150, 100 199 and 100Description SUF Ultra Force SUF Models Replacement PartsUltra Force SUF Controls Parts List T E S Expert’s Choice