State Industries SHE50-100NE, SHE50-100PE, GP650HTPDT manual Service Handbook

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COMMERCIAL / RESIDENTIAL GAS WATER HEATERS

FOR MODELS:

SERVICE HANDBOOK

ULTRA HIGH EFFICIENCY POWER VENT / POWER DIRECT VENT

•SHE50-100 NE

•SHE50-100 PE

•GP650 YTPDT

•GP650 HTPDT

PRINTED 0308

198148-000

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Contents Service Handbook Ultra High Efficiency Power VENT/POWER Direct Vent Service Warning Qualifications Qualified Service AgentImportant Service Reminder Tools Required Thermal Expansion Closed Water SystemsContaminated AIR AIR RequirementsMaximum Equivalent Length Requirements VentingPipe Size Requirements Service Notes VentingMaximum Elbow Requirements Number Maximum Pipe Elbows Length Feet MetersVAC 1Ø Power Supply Service Notes ElectricalCorrectly Wired Outlet Electrical RequirementsInternal View HOW IT WorksBlower Service Notes BlowerBurner Service Notes Burner Flame SensorOn Next Burner & Blower RemovalBurner/Blower Removal Service Notes Blower Flange & Blower Adapter GasketsBlower VenturiGas Valve Removal GAS ValveGasket Orifice Service Notes Checking Gas Pressures GAS Pressure TestingGAS Pressures Service Notes Gas Pressure AdjustmentGas Pressures Normal State Activated State AIR Pressure SwitchesBlocked Intake Switch Blower Prover SwitchBlocked Exhaust Switch Blower Prover Failure AIR Pressure Switch OperationNormal State Test AIR Pressure Switch TestingOperational State Test Pressure Test Air Pressure Switch ParametersBlower Prover Blocked Intake Blocked Exhaust Page Measuring Flame Sensing Current Flame Sensing TestFlame Sensor Igniter Current Test Service Notes Hot Surface IgnitersIntroduction Control System FeaturesUIM Service Notes Button Pad Ribbon CableDiscreet Menu Contact Information Commercial & Residential Product DifferencesDesktop Screen Service Note Sequence of Operation DisplayStatus Icon Description Status IconsState Description Operational States ModesAction Display Operating SET Point AdjustmentControl System Menus ECO CCB Service Notes CCB ReplacementSocket Identification J10 J13 J15 J11 J16J1 Socket Transformer J3 Socket 120 VAC Power SupplyJ2 Socket 120 VAC To Blower PIN # DescriptionExt Use Yes Input Type Tstat Open RetryService Notes Polarity & Ground Wiring DiagramYES Sequence of OperationImportant Service Reminder Resetting the control systemRough Starting Rough Operation Note Heater Status MenuUIM Display Is Blank Control System UnresponsiveUIM is Inoperable Displayed Message CHECK/REPAIR CONDITION/INDICATESAC Reversed Fault MessagesUpper Probe Short Flame Probe ShortEnergy Cut Out ECO Flame Detect ErrorBlocked Inlet Blocked Exhaust Vent Blower Prover Open Perform ALL These Tests with PowerTurned on and a Call for Heat Active Low Igniter Current Rough Starting Rough Operation Note Ignition FailureCheck for 24 VAC to the Gas Valve solenoid coil Communication Failure Gas Valve FailureTennessee Waltz Parkway Ashland City, TN