Manuals / A.O. Smith / Household Appliance / Water Heater

A.O. Smith 500A Quick Installation Tips, Horizontal Sidewall Venting Vertical Rooftop Venting

Models: 300A 500A

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“AT A GLANCE” BTH 300/400/500

QUICK INSTALLATION TIPS

Horizontal Sidewall Venting

Vertical Rooftop Venting

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A.O. Smith 500A, 300A warranty Quick Installation Tips, Horizontal Sidewall Venting Vertical Rooftop Venting

Contents

Cyclone Xi Model BTH 300A, 400A, 500A ROUGH-IN-DIMENSIONS ForewordTable of Contents FeaturesQuick Installation Tips Horizontal Sidewall Venting Vertical Rooftop VentingHigh Limit Switch E.C.O Water Temperature Setpoint Adjustment ProcedureDishwashing Machine Requirement Installation Instructions Circulating PumpRequired Ability Insulation BlanketsClearances Hard WaterAIR Requirements Unconfined SpaceInstallation of Carbon Monoxide Detectors VentingCanadian Direct Vent US Horizontal Vent Vent Pipe Termination Direct Vent Terminal InstallationDirect Venting Installation Sequence Vertical Vent Terminal InstallationInstallation of Vent System Vent Length TableControls and Switches HOT Surface Igniter GAS PipingConnection of GAS Pipe System Connections Heater Wiring Water Potable Heating and Space HeatingBTH 300 Wiring Diagram BTH 400 and 500 Wiring Diagram Operation Electronic ControlSequence of Operation OverviewAdjusting the Operating Set Point Changing the Display Units Fault and Warning ConditionsExample of a Warning Example of a Fault Advanced Diagnostics Information Access to the Current Fault or WarningViewing the Fault History Viewing Information About the HeaterOperating Instructions Prior to Start UP Required AbilityOperating Instructions Maintenance General InformationFlushing DrainingSediment Removal Lime Scale RemovalDrain Valve and Access Panels Powered Anode SystemVent System Installation Diagrams U T I O N if BuildingPage Must be Identical Heaters Pipe Relief Valve to Open Drain Page Multiple Unit Installations Troubleshooting Motor will not RUN Motor RUNS, Burner Lights Momentarily Then Locks OUTNoisy Burner Operation Replacement PartsGAS Fails to Shut OFF Model BTH Limited Warranty