Manuals
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A.O. Smith
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Household Appliance
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Water Heater
A.O. Smith
500A, 300A
warranty
BTH 300 Wiring Diagram
Models:
300A
500A
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18
40
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40 pages
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Troubleshooting
Install
BTH 300 Wiring Diagram
Fault and Warning Conditions
Heater Wiring
Warranty
Dimension
Maintenance
Drain Valve and Access Panels
Replacement Parts
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BTH 300 WIRING DIAGRAM
FIGURE 15.
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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.O
Dishwashing Machine Requirement
Required Ability
Installation Instructions
Circulating Pump
Insulation Blankets
AIR Requirements
Clearances
Hard Water
Unconfined Space
Installation of Carbon Monoxide Detectors
Venting
Canadian Direct Vent
US Horizontal Vent
Direct Vent Terminal Installation
Vent Pipe Termination
Direct Venting
Installation Sequence
Vertical Vent Terminal Installation
Installation of Vent System
Vent Length Table
Controls and Switches
GAS Piping
HOT Surface Igniter
Connection 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
Operation
Electronic Control
Overview
Adjusting the Operating Set Point
Fault and Warning Conditions
Changing the Display Units
Example 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
Flushing
Draining
Lime Scale Removal
Powered Anode System
Drain Valve and Access Panels
Vent System
Installation Diagrams
U T I O N if Building
Page
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 Operation
GAS Fails to Shut OFF
Model BTH Limited Warranty
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Contents