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A.O. Smith BTX-80 SERIES 100 instruction manual Troubleshooting Guidelines

Models: BTX-80 SERIES 100

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TROUBLESHOOTING GUIDELINES

These guidelines should be utilized by a qualified service agent.

Page 38

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A.O. Smith BTX-80 SERIES 100 instruction manual Troubleshooting Guidelines

Contents

Printed Power Vented GAS Models W/HOT Surface IgnitionWhenever maintenance adjustment or service is required 197086-004Important Definitions Safe INSTALLATION, USE and ServiceApprovals General Safety Information General Safety Information Table of Contents IntroductionSignage Installation of Carbon Monoxide DetectorsApproved Carbon Monoxide Detectors ExemptionsElbow Access Door Typical InstallationReplacement Parts and Deliming Products Condensate Hose and Drain PAN Mixing Valves Capacity and Gas and Electrical Characteristics ROUGH-IN-DIMENSIONSRough-In-Dimensions Recovery capacity based on 90% thermal efficiencyLocating the NEW Water Heater Facts to Consider About the LocationInsulation Blankets Air REQUIREMENTsFresh Air Openings For Confined Spaces Unconfined SpaceConfined Space Outdoor Air Through Two OpeningsAIR from Other Indoor Spaces Outdoor AIR Through TWO Horizontal DuctsOutdoor AIR Through TWO Vertical Ducts Water Piping Installing the NEW Water HeaterChemical Vapor Corrosion Space Heating and Potable Water SystemValve and Pipe Insulation if supplied Temperature-Pressure Relief ValveThermal Expansion Gas Piping High Altitude InstallationContact qualified installer or service agency Per square inch 3.5 kPa Sediment TrapsFilling the Water Heater Vent Pipe Assembly VentingTermination Clearances Sidewall Power Vent Vent Pipe TerminationBreathing Hazard Carbon Monoxide Gas Planning the Vent SystemCondensate Vent Terminal INSTALLATION, Sidewall Blower Assembly InstallationInstallation of Vent System Than the marked circle Power Vent Wiring Schematic FigureChisel an opening approximately one half inch 1.3 cm larger Pointed in the correct position, see FigureInstallation of Vent SYSTEM, Sidewall Installation of Vertical Vent SystemVertical VAA Installations Recommended Vent Attenuation Assembly InstallationVent attenuation assembly Flexible tubing Instruction sheet Inch vent Vertical VAA Installations Vent Pipe Preparation Recommended BRUSH* Size for Primer Cement ApplicationsStep F Step BStep E Step GWhat to do if YOU Smell GAS Power Before ServicingDo not try to light the burner by hand Do not TRY to Light the Burner by HandDisplay Temperature RegulationTemperature Indicators Temperature Adjustment Buttons D E FOperational Conditions For Your InformationStart UP Conditions Periodic Maintenance Anode ROD InspectionTo Flush the Water Heater Storage Tank Temperature-Pressure Relief Valve TestKeep hands clear of drain Open the water heater drain valve to flush the storage tankService Leakage CheckpointsTroubleshooting Guidelines Trouble ShootingAssembly if damaged or defective Ensure the flame sensor is clean use ultra fine steelTurn off power to the water heater Unplug ignitor assembly plug from control. Check resistanceAssembly .2 If the reading taken is less than 100,000 Unplug the ignitor assembly plug from the control. CheckResistance of the black resistor wire between pins Check vent temperature limit switch if it is determinedTroubleshooting Guidelines Tank Service and Repair ExpensesClaim Procedure ALL Other Parts