Bradford-White Corp PDV80S250, D80T725, D65T625 Service Procedure PDV24-V, PDV S&T Models

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SERVICE PROCEDURE PDV24-V

Main Burner & Pilot

Removal and Inspection

WARNING

Water Heater components may be HOT when performing the following steps in this

procedure. Take necessary precaution to prevent personal injury.

PDV (S&T) MODELS		PDV-S MODELS
		(Hinged Door)

PDV-T MODELS (Removable Door)

Step 1: Remove burner box cover screws

Step 2: Open Burner Box Cover

Step 3: Disconnect Pilot Fitting from Burner Box

Step 4: Disconnect gas valve wires and pilot tube

Step 5: Disconnect and Remove Gas	Step 6: Remove pipe flange plate from
Valve	Burner Box

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Contents Service Manual Table of Contents Features of Honeywell Integrated Controls System Features of PDV-S Model SeriesFeatures of PDV-T Model Series Features of Induced Draft ModelsTools Required for Service Specifications Sequence of Operation Verify Primary and Secondary voltage at the control board TroubleshootingError 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 Display of Water Temperature ExitingSELECTServiceSETModeTo Display Flame Sense Current of the Pilot Flame Sensor To Display and Change Temperature SetpointSetpoint Flashes Idle Status Operational Select SET Error Code History Error Codes and Error History DisplayTo view previous error codes ExitingSELECTServiceSETMode Error Code Definitions Resetting Error Codes in Hard Lockout Condition Unplug or disconnect electrical power to the water heater Service Procedure PDV24-IService Procedure PDV24-I Lower Sensor Upper SensorService Procedure PDV23-II Service Procedure PDV24-II Service Procedure PDV24-II Condition Service Procedure PDV24-IIICondition Error code 57 Flame Rod Shorted To Ground Probe To control board Service Procedure PDV24-IVCorrect improper venting condition Manifold Pressure Port PDV S&T Models Service Procedure PDV24-VPDV S&T Models PDV S&T Models Main Burner Removal Induced Draft ModelsPilot Burner Inspection Pilot Burner RemovalRemove lower sensor Service Procedure PDV24-VIControl board replacement 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 GFI BTU/HCO2 ECO