BTH 400 and 500 Wiring Diagram | A.O. Smith 300A, 500A guide

BTH 400 AND 500 WIRING DIAGRAM

FIGURE 16.

19

Image 19

A.O. Smith 300A, 500A warranty BTH 400 and 500 Wiring Diagram

Contents

Cyclone Xi Model BTH 300A, 400A, 500A Foreword ROUGH-IN-DIMENSIONS Features Table of Contents Horizontal Sidewall Venting Vertical Rooftop Venting Quick Installation Tips High Limit Switch E.C.O Water Temperature Setpoint Adjustment ProcedureDishwashing Machine Requirement Insulation Blankets Installation InstructionsCirculating Pump Required Ability Unconfined Space ClearancesHard Water AIR Requirements Venting Installation of Carbon Monoxide Detectors Canadian Direct Vent US Horizontal Vent Vent Pipe Termination Direct Vent Terminal InstallationDirect Venting Vertical Vent Terminal Installation Installation Sequence Vent Length Table Installation of Vent System Controls and Switches HOT Surface Igniter GAS PipingConnection of GAS Pipe System Connections Water Potable Heating and Space Heating Heater Wiring BTH 300 Wiring Diagram BTH 400 and 500 Wiring Diagram Overview OperationElectronic Control Sequence of Operation Adjusting 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 Information Viewing Information About the Heater Viewing the Fault History Prior to Start UP Required Ability Operating Instructions Operating Instructions General Information Maintenance Lime Scale Removal FlushingDraining Sediment Removal Drain Valve and Access Panels Powered Anode SystemVent System U T I O N if Building Installation DiagramsPage 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 RUN Noisy Burner Operation Replacement PartsGAS Fails to Shut OFF Model BTH Limited Warranty