BTH 300 Wiring Diagram | A.O. Smith 500A, 300A specs

BTH 300 WIRING DIAGRAM

FIGURE 15.

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A.O. Smith 500A, 300A warranty BTH 300 Wiring Diagram

Contents

Cyclone Xi Model BTH 300A, 400A, 500A ROUGH-IN-DIMENSIONS Foreword Table of Contents Features Quick Installation Tips Horizontal Sidewall Venting Vertical Rooftop Venting Water Temperature Setpoint Adjustment Procedure High Limit Switch E.C.ODishwashing Machine Requirement Required Ability Installation InstructionsCirculating Pump Insulation Blankets AIR Requirements ClearancesHard Water Unconfined Space Installation of Carbon Monoxide Detectors Venting Canadian Direct Vent US Horizontal Vent Direct Vent Terminal Installation Vent Pipe TerminationDirect Venting Installation Sequence Vertical Vent Terminal Installation Installation of Vent System Vent Length Table Controls and Switches GAS Piping HOT Surface IgniterConnection of GAS Pipe System Connections Heater Wiring Water Potable Heating and Space Heating BTH 300 Wiring Diagram BTH 400 and 500 Wiring Diagram Sequence of Operation OperationElectronic Control Overview Adjusting the Operating Set Point Fault and Warning Conditions Changing the Display UnitsExample of a Warning Example of a Fault Advanced Diagnostics Information Access to the Current Fault or Warning Viewing the Fault History Viewing Information About the Heater Operating Instructions Prior to Start UP Required Ability Operating Instructions Maintenance General Information Sediment Removal FlushingDraining Lime Scale Removal Powered Anode System Drain Valve and Access PanelsVent 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 OUT Replacement Parts Noisy Burner OperationGAS Fails to Shut OFF Model BTH Limited Warranty