Service Handbook | State Industries SHE50-100NE, SHE50-100PE

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

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 Systems Contaminated AIR AIR Requirements Maximum Equivalent Length Requirements Venting Pipe Size Requirements Service Notes VentingMaximum Elbow Requirements Number Maximum Pipe Elbows Length Feet Meters VAC 1Ø Power Supply Service Notes ElectricalCorrectly Wired Outlet Electrical Requirements Internal View HOW IT Works Blower Service Notes Blower Burner Service Notes Burner Flame Sensor On Next Burner & Blower Removal Burner/Blower Removal Service Notes Blower Flange & Blower Adapter Gaskets Blower Venturi Gas Valve Removal GAS ValveGasket Orifice Service Notes Checking Gas Pressures GAS Pressure Testing GAS Pressures Service Notes Gas Pressure AdjustmentGas Pressures Normal State Activated State AIR Pressure Switches Blocked Intake Switch Blower Prover SwitchBlocked Exhaust Switch Blower Prover Failure AIR Pressure Switch Operation Normal 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 Igniters Introduction Control System Features UIM Service Notes Button Pad Ribbon Cable Discreet Menu Contact Information Commercial & Residential Product Differences Desktop Screen Service Note Sequence of Operation Display Status Icon Description Status Icons State Description Operational States Modes Action Display Operating SET Point Adjustment Control System Menus ECO CCB Service Notes CCB Replacement Socket Identification J10 J13 J15 J11 J16 J1 Socket Transformer J3 Socket 120 VAC Power SupplyJ2 Socket 120 VAC To Blower PIN # Description Ext Use Yes Input Type Tstat Open Retry Service Notes Polarity & Ground Wiring Diagram YES Sequence of Operation Important Service Reminder Resetting the control systemRough Starting Rough Operation Note Heater Status Menu UIM Display Is Blank Control System UnresponsiveUIM is Inoperable Displayed Message CHECK/REPAIR CONDITION/INDICATES AC Reversed Fault Messages Upper Probe Short Flame Probe Short Energy Cut Out ECO Flame Detect Error Blocked 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 Failure Check for 24 VAC to the Gas Valve solenoid coil Communication Failure Gas Valve Failure Tennessee Waltz Parkway Ashland City, TN