Bradford-White Corp D80T725, D65T625 Service Procedure PDV24-VI, Control board replacement

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SERVICE PROCEDURE PDV24-VI

Control Board Replacement

DANGER

120 volt exposure. To avoid personal injury, unplug while performing this procedure.

Slots in

Depresscontrol panel plastic

tabs

Unhook tabs from control panel slots

Control board replacement		Step 2. Tilt control panel to the
		right and slide control hook tabs
Step 1. Depress left plastic tabs and		from slots in control panel.

pull out from slots in control panel

Step 3. Unplug wire connections from board and replace.

Wire connections

Remove lower sensor

Remove clip, pull sensor out.

Remove clip

Pull out sensor

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Contents Service Manual Table of Contents Features of PDV-S Model Series Features of PDV-T Model SeriesFeatures of Induced Draft Models Features of Honeywell Integrated Controls SystemTools Required for Service Specifications Sequence of Operation Troubleshooting Verify Primary and Secondary voltage at the control boardError code #63 on display. See Main Burner short Pressing Select button will change display to next mode Max Setpoint Display/Change Setpoint Display/Change Software Version Display only SET ExitingSELECTServiceSETMode Display of Water TemperatureTo Display and Change Temperature Setpoint To Display Flame Sense Current of the Pilot Flame SensorSetpoint Flashes Idle Status Operational Select SET Error Codes and Error History Display Error Code HistoryTo view previous error codes ExitingSELECTServiceSETMode Error Code Definitions Resetting Error Codes in Hard Lockout Condition Service Procedure PDV24-I Unplug or disconnect electrical power to the water heaterService Procedure PDV24-I Upper Sensor Lower SensorService Procedure PDV23-II Service Procedure PDV24-II Service Procedure PDV24-II Service Procedure PDV24-III ConditionCondition Error code 57 Flame Rod Shorted To Ground Probe Service Procedure PDV24-IV To control boardCorrect improper venting condition Manifold Pressure Port Service Procedure PDV24-V PDV S&T ModelsPDV S&T Models PDV S&T Models Induced Draft Models Main Burner RemovalPilot Burner Removal Pilot Burner InspectionControl board replacement Service Procedure PDV24-VIRemove lower sensor Service Procedure PDV24-VII Service Procedure PDV24-VIII PDV-S PDV S PDV-S PDV-T PDV T PDV-T Induced Draft Models Induced Draft Models Induced Draft Models BTU/H CO2ECO GFI