State Industries SHE50-100NE, SHE50-100PE, GP650HTPDT manual Control System Menus

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

CONTROL SYSTEM MENUS

Desktop: This is the default screen for the control system. If there are no active faults or warnings the display will return to this screen with no user input after approximately 10 minutes. Information/settings available:

Tank Temperature (commercial models only)

Operating Set Point

Operating States

Status (Graphical) Icons

Temperatures: This menu contains the user settings and temperature information. Information/settings available:

Operating Set Point - adjustable (90-180°F commercial models, 90-160°F residential models)

Differential - adjustable (2-20° factory setting is 2°)

Upper Temperature (commercial models only)

(Heater Regulated to Upper) configuration information

Upper Probe Offset - adjustable -5°F to +5°F. overrides the perceived tank temp by this setting.

Heater Status: This menu shows the current operating state of the water heater, Blower, Igniter, Gas Valve and the state of the contacts (open/closed) for the air pressure switches and the ECO along with the state of the CCB S1 dip switches. Information shown in this menu is in real time. Information/settings available:

Status - operating state (see page 31)

ECO Contact - open or closed

Blocked Inlet PS - air pressure switch contacts open or closed

Blocked Outlet PS - air pressure switch contacts open or closed

Blower Prover PS - air pressure switch contacts open or closed

Blower Low On - blower is running at low speed yes/no (N/A models equipped w/ 2 speed blowers)

Blower High On - blower is running at high speed yes/no

Igniter On - is currently energized yes/no (yes = energized; no = not energized)

Igniter Current - igniter current is above minimum 2.0 AC amps yes/no

Gas Valve On - is currently energized yes/no (yes = energized; no = not energized)

Flame Detected - flame sensing current is above minimum 1.0 µA yes/no

External Input Enabled - external control enable/disable circuit activated yes/no

Ignition Trials - maximum number of retries for ignition 1 or 3 S1 dip switch setting (see page 38)

Display Settings: This menu contains user settings for the UIM display contrast, back light and temperature units. Information/settings available:

Temperature Units - adjustable Celsius or or Fahrenheit

Backlight Delay - adjustable - seconds to continuous

Contrast - adjustable

Technical Literature Department

33 of 52

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 Service Warning Qualifications Qualified Service AgentImportant Service Reminder Tools Required Closed Water Systems Thermal ExpansionAIR Requirements Contaminated AIRVenting Maximum Equivalent Length RequirementsMaximum Elbow Requirements Service Notes VentingPipe Size Requirements Number Maximum Pipe Elbows Length Feet MetersCorrectly Wired Outlet Service Notes ElectricalVAC 1Ø Power Supply Electrical RequirementsHOW IT Works Internal ViewService Notes Blower BlowerService Notes Burner Flame Sensor BurnerBurner & Blower Removal On NextService Notes Blower Flange & Blower Adapter Gaskets Burner/Blower RemovalVenturi BlowerGas Valve Removal GAS ValveGasket Orifice GAS Pressure Testing Service Notes Checking Gas PressuresGAS Pressures Service Notes Gas Pressure AdjustmentGas Pressures AIR Pressure Switches Normal State Activated StateBlocked Intake Switch Blower Prover SwitchBlocked Exhaust Switch AIR Pressure Switch Operation Blower Prover FailureNormal 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 Service Notes Hot Surface Igniters Igniter Current TestControl System Features IntroductionService Notes Button Pad Ribbon Cable UIMCommercial & Residential Product Differences Discreet Menu Contact InformationService Note Sequence of Operation Display Desktop ScreenStatus Icons Status Icon DescriptionOperational States Modes State DescriptionOperating SET Point Adjustment Action DisplayControl System Menus ECO Service Notes CCB Replacement CCBJ10 J13 J15 J11 J16 Socket IdentificationJ2 Socket 120 VAC To Blower J3 Socket 120 VAC Power SupplyJ1 Socket Transformer PIN # DescriptionRetry Ext Use Yes Input Type Tstat OpenWiring Diagram Service Notes Polarity & GroundSequence of Operation YESRough Starting Rough Operation Note Resetting the control systemImportant Service Reminder Heater Status MenuUIM is Inoperable Control System UnresponsiveUIM Display Is Blank Displayed Message CHECK/REPAIR CONDITION/INDICATESFault Messages AC ReversedFlame Probe Short Upper Probe ShortFlame Detect Error Energy Cut Out ECOBlocked Inlet Blocked Exhaust Vent Blower Prover Open Perform ALL These Tests with PowerTurned on and a Call for Heat Active Low Igniter Current Ignition Failure Rough Starting Rough Operation NoteCheck for 24 VAC to the Gas Valve solenoid coil Gas Valve Failure Communication FailureTennessee Waltz Parkway Ashland City, TN