State Industries SUF-130-400, SUF-130-300 warranty

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TWO TEMPERATURE - ONE HEATER HIGH TEMPERATURE

WITH OR WITHOUT BUILDING RECIRCULATION

DANGER

TEMPERATURE SETTING SHOULD NOT EXCEED SAFE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 3. IF HIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT, ADD AN ANTI-SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES.

CAUTION: IF BUILDING COLD WATER SUPPLY HAS A BACK-FLOW PREVENTER, CHECK VALVE OR WATER METER WITH CHECK VALVE PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED.

*PIPE RELIEF VALVE TO OPEN DRAIN.

N O T E : I F T E M P E R E D WAT E R I S RECIRCULATED, RETURN LINE SHOULD BE CONNECTED AT POINT “A”.

INSTALL IN ACCORDANCE WITH LOCAL CODES.

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Contents Commercial GAS Water Heater Foreword ROUGH-IN-DIMENSIONSFeatures Table of ContentsHorizontal Sidewall Venting Vertical Rooftop Venting AT a Glance Quick Installation TipsHigh Limit Switch E.C.O Water Temperature Setpoint Adjustment ProcedureDishwashing Machine Requirement Insulation Blankets Installation InstructionsCirculating Pump Required AbilityUnconfined Space ClearancesHard Water AIR RequirementsVenting Installation of Carbon Monoxide DetectorsCanadian Direct Vent US Horizontal Vent 3x 4 PVC Reducer with Intake Screen Direct Vent Terminal InstallationVent Pipe Termination Direct VentingVertical Vent Terminal Installation Installation SequenceVent Length Table Installation of Vent SystemControls and Switches HOT Surface Igniter GAS PipingConnection of GAS Pipe System Connections Water Potable Heating and Space Heating Heater WiringSUF 130-300 Wiring Diagram SUF 130-400 Wiring Diagram Overview OperationElectronic Control Sequence of OperationAdjusting the Operating Set Point Changing the Display Units Fault and Warning ConditionsExample of a Warning Access to the Current Fault or Warning Example of a Fault Advanced Diagnostics InformationViewing Information About the Heater Viewing the Fault HistoryPrior to Start UP Required Ability Operating InstructionsOperating Instructions General Information Maintenance Lime Scale Removal Flushing Draining Sediment RemovalDrain Valve and Access Panels Powered Anode SystemVent System Installation Diagrams Page Must be Identical Heaters Pipe Relief Valve to Open Drain Page Multiple Unit Installations Troubleshooting Motor RUNS, Burner Lights Momentarily Then Locks OUT Motor will not RUNNoisy Burner Operation Replacement PartsGAS Fails to Shut OFF Tank Model SUF-130-300/400 NEA /PEA Limited Warranty