Quick Installation Tips | A.O. Smith 500A, 300A guide

“AT A GLANCE” BTH 300/400/500

QUICK INSTALLATION TIPS

Horizontal Sidewall Venting

Vertical Rooftop Venting

Image 4

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 Foreword Table of Contents Features Quick Installation Tips Horizontal Sidewall Venting Vertical Rooftop Venting High Limit Switch E.C.O Water Temperature Setpoint Adjustment ProcedureDishwashing Machine Requirement Installation Instructions Circulating PumpRequired Ability Insulation Blankets Clearances Hard WaterAIR Requirements Unconfined Space Installation of Carbon Monoxide Detectors Venting Canadian Direct Vent US Horizontal Vent Vent Pipe Termination Direct Vent Terminal InstallationDirect Venting Installation Sequence Vertical Vent Terminal Installation Installation of Vent System Vent Length Table Controls and Switches HOT Surface Igniter GAS PipingConnection of GAS Pipe System Connections Heater Wiring Water Potable Heating and Space Heating BTH 300 Wiring Diagram BTH 400 and 500 Wiring Diagram Operation Electronic ControlSequence of Operation Overview Adjusting 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 Warning Viewing the Fault History Viewing Information About the Heater Operating Instructions Prior to Start UP Required Ability Operating Instructions Maintenance General Information Flushing DrainingSediment Removal Lime Scale Removal Drain 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 OUT Noisy Burner Operation Replacement PartsGAS Fails to Shut OFF Model BTH Limited Warranty