Manuals / State Industries / Household Appliance / Water Heater

State Industries STC-077 dimensions VAC to Ignitor

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

T R O U B L E S H O O T I N G

120 VAC TO IGNITOR

STEP 10

120 VAC TO IGNITOR

STEP 10: CHECK FOR 120 VAC TO IGNITOR FROM PIN 1 AND 2 ON CONTROL BOARD TERMINAL CN5.

Condition:

•Disconnect CN5 plug from control board.

•On/Off switch is on.

•Call for heat is activated.

•Perform test during ignitor warm up period.

	IF...		THEN


	120	VAC is not present	replace the control board if Steps 7 through 9B have
	120	VAC is not present	been performed and results were successful.
			been performed and results were successful.

	120	VAC is present	continue to step 11.

Technical Training Department	28	State Water Heaters
STC-077	28	Ashland City, Tennessee © 2004

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State Industries STC-077 dimensions VAC to Ignitor

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 MAKE-UP AIR Direct Vent InstallationAIR Requirements Vertical Ducts Direct CommunicationBackdraft Horizontal DuctsInsufficient MAKE-UP AIR Flammable Items Contaminated AIRMultiple Unit Water Piping Condensation Sequence of Operation OperationDuring Call for Heat Normal Indications / Readings / SettingsControls 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 BlowerAmbient Room AIR Pressure Pressure Switch PerformanceTake AIR and GAS Pressure Readings Only Pressure Switch Continuity Test OperationalVAC to Ignitor VAC to IgnitorIgnitor Resistance Check Ignitor ResistanceVAC to GAS Valve GAS Valve TestSUF 240 only Manifold GAS Pressure Test GAS Pressure CheckSupply GAS Pressure Test Orifice Table Component InformationPressure Swtches Pressure Switches Part Number / Activation PRESSURE† Pressure SwitchesWiring Diagrams Service Aids T E S SUF MufflerHow often should the anodes be inspected? Questions and AnswersWhen should SUF’s be delimed? 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