State Industries SHE50-100PE, SHE50-100NE manual Operating SET Point Adjustment, Action Display

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ULTRA HIGH EFFICIENCY POWER VENT/POWER DIRECT VENT - SERVICE MANUAL

OPERATING SET POINT ADJUSTMENT

When the temperature sensed by the control system at the Temperature Probe (top of the water heater) reaches the Operating Set Point the control system will end the heating cycle. A call for heat will be activated again when the tank temperature drops below the Operating Set Point minus the Differential setting plus one degree.

Example: Operating Set Point is 120°, Differential setting is 2° (factory default). A call for heat will be activated when tank temperature drops to 117°. 120 - (2+1) = 117.

The Operating Set Point and the Differential setting is adjusted or changed in the Temperatures menu. The following illustrations and instructions will explain how to adjust these user settings and navigate the control system menus.

ACTION

DISPLAY

From the desktop screen, press MENU.

NOTE: Notice how the text on the UIM display above the Operational Buttons changes as you navigate through the various menus and screens.

With Temperatures selected (highlighted in black) in the Main Menu, press the Operational Button underneath “SELECT” to enter the Temperatures Menu.

If Temperatures is not selected use the Up and Down buttons to select this menu item.

With the Operating Set Point selected in the Temperatures Menu, press the Operational Button underneath “CHANGE” to activate the adjustment mode for this menu item.

NOTE: The Upper Probe Offset can be used to override the control system’s calculated tank temperature by 5° above or below current reading. Adjustable range is -5°F to +5°F.

Press the UP and DOWN buttons to adjust the Operating Set Point to the desired setting.

Press the Operational Button underneath “UPDATE” to confirm the new setting or “CANCEL” to discard the new setting and retain the previous setting.

NOTE: This same procedure can also be used to adjust the Differential and the Upper Probe Offset user settings.

Technical Literature Department

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Ashland City, TN © 2008

Servicing should only be performed by a Qualified Service Agent

 

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Contents Service Handbook Ultra High Efficiency Power VENT/POWER Direct Vent Qualifications Qualified Service Agent Service WarningImportant 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 Gas Valve RemovalGasket Orifice Service Notes Checking Gas Pressures GAS Pressure TestingService Notes Gas Pressure Adjustment GAS PressuresGas Pressures Normal State Activated State AIR Pressure SwitchesBlower Prover Switch Blocked Intake SwitchBlocked Exhaust Switch Blower Prover Failure AIR Pressure Switch OperationAIR Pressure Switch Testing Normal State TestOperational State Test Air Pressure Switch Parameters Pressure TestBlower Prover Blocked Intake Blocked Exhaust Page Flame Sensing Test Measuring Flame Sensing CurrentFlame 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 Perform ALL These Tests with Power Blower Prover OpenTurned 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