Manuals / Bradford-White Corp / Household Appliance / Water Heater

Bradford-White Corp U4TW60TFRN, U4TW50TFRN, U4TW40T*FRN service manual

Models: U4TW60TFRN U4TW40TFRN U4TW50T*FRN

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Bradford-White Corp U4TW60T*FRN, U4TW50T*FRN, U4TW40T*FRN service manual

Contents

Troubleshooting Guide and Instructions for Service SERVICE MANUALTo be performed ONLY by qualified service providers Denotes Warranty Years Model Shown U-4-TW-40T6FRNTable of Contents SectionPage DANGER FAILURE TO INSTALL AND MAINTAIN A NEW, LISTED 3/4” X 3/4” TEM Introduction The Bradford White ECO-DEFENDER Safety SystemIntroduction How to Use this Manual How to Use this ManualHow the Safety System Works Tools Required for Service Tools RequiredPage SpecificationsSpecifications Vent TablesPage 40 Gallon 50 Gallon 60 GallonVent Tables SpecificationsPage 48 Gallon 65 GallonControl Timings Wiring DiagramSpecifications PageNormal Heating Sequence Power Up SequenceSequence of Operation Sequence of Operation Normal Heating Sequence cont’dAbnormal Operation Sequence of Operation Abnormal Operation cont’dAbnormal Operation cont’d 4. Trial for Ignition FaultSequence of Operation Abnormal Operation cont’d 5. Flame Sensing FaultSequence of Operation Service Procedure TroubleshootingPage LED StatusService Procedure TroubleshootingPage LED StatusService Procedure TroubleshootingPage LED StatusBurner Inspection Burner MaintenanceBurner Cleaning Procedure Burner Maintenance Burner Cleaning Procedure cont’dBurner Cleaning Procedure cont’d Pilot MaintenancePilot Inspection, Testing and Replacement Pilot Maintenance Pilot Inspection, Testing and Replacement cont’dPage Pilot Inspection, Testing and Replacement cont’d Pressure Switch TestingPressure Switch Testing Page Pressure Switch Testing cont’dPressure Switch Testing Pressure Switch Replacement Pressure Switch ReplacementBlower Testing Blower TestingPage Blower Removal Blower ReplacementBlower Installation Blower Temperature Switch Testing Blower Temperature Switch TestingBlower Installation cont’d Blower Temperature Switch Testing Blower Temperature Switch Testing cont’dSwitch Setting Common causes for high exhaust temperatureBlower Temperature Switch Replacement Blower Temperature Switch ReplacementThermal Well Testing Thermal Well TestingDetermine Water Temperature Inside Tank Determine Tank TemperatureThermal Well Testing cont’d Sensor Resistance at Various Temperatures Component DisassemblyGas Control & Thermal Well Removal From Water Heater PagePage Gas Control RemovalGas Control Removal From Thermal Well cont’d Gas Control AssemblyGas Control Assembly to the Thermal Well Gas Control Assembly Gas Control Assembly to the Thermal Well cont’dFlammable Vapor Sensor Testing Flammable Vapor Sensor TestingGas Control Assembly to the Thermal Well cont’d Doing so will damage the connector. Use special pin typePage 115 VAC Circuit TracePage Safety Circuit Voltage TraceSafety Circuit Voltage Trace Blower Removal Remove the Blower to Gain Access to the Flue BaffleDip Tube Inspection Remove the Blower to Gain Access to the Flue Baffle cont’dDip Tube Inspection and Replacement Anode Inspection Anode Inspection and ReplacementInner Door Removal Inner Door Removal ProcedureInner Door Gasket Replacement Procedure Inner Door Gasket ReplacementInner Door Removal Procedure cont’d Inner Door Installation with Gasket Inner Door InstallationScreenLok Flame Arrestor Cleaning Procedure Arrestor CleaningCommon Terms Common TermsPart Name and Description Parts ListPage Email parts@bradfordwhite.com techserv@bradfordwhite.com