Bradford-White Corp PDX265T6*F(BN, PDX75S70F(B, CX), C)*(N, PDX65S65F(B warranty Glossary of Terms

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PDX Series

Glossary of Terms

BTU

British Thermal Units

GPM

Gallons per Minute

Hz

Hertz

KW/h

Killo-watts per hour

LED

Light Emitting Diode

NPT

National Pipe Thread

Ohms

Ohms of resistance

PSI

Pounds per Square Inch

RPM

Revolutions per Minute

TCO

Temperature Cut Off

VAC

Volts Alternating Current

W.C.

Inches of Water Column

°C

Degrees Centigrade

°F

Degrees Fahrenheit

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Contents Service Manual Denotes Warranty YearsTable of Contents PDX Series Introduction Tools Required for Service How to Use This ManualSpecifications PDX Series Control Timings Power up Sequence Sequence of OperationAbnormal Operation Pressure Switch/Blower Temperature Fault Green LED Indicator TroubleshootingProbable Cause Service Status Procedure LED StatusTroubleshooting LED Status Air Shutter Nut Burner Inspection and Air Shutter AdjustmentCast Iron Burner Air Shutter Adjustment Burner Cleaning Burner Surface area Feedline nut Pilot tubing nut Port areaFeedline nut Pilot tubing nut Ferrule Pilot Inspection, Testing and ReplacementIgniter/flame Sense wire OrificeMaking voltage checks to avoid personal injury Exhaust Pressure Switch TestingVolt potential exposure. Use caution From blower housing Exhaust Pressure Switch ReplacementSlide pressure switch in direction To avoid personal injuryTo call for heat, this will start the blower Inlet Pressure SwitchSwitch for blockage Is there blockage? SeeInlet Pressure Switch Replacement Remove screwsBlower Testing Volt potential exposure. Use caution whenRemove exhaust Blower InstallationBlower removal Blower Cord Sets Blower Mounting ScrewsBlower Temperature Switch Testing Blower Temperature Switch Replacement If Control has gone into TCO lockout due to Gas Control TestingThermal Well Testing Determine Water Temperature Inside Tank Sensor Resistance at Various TemperaturesGas Control & Thermal Well Removal From Water Heater Gas Control Removal From Thermal WellGas Control Assembly to Thermal Well Flammable Vapor Device Testing Safety Circuit Voltage Trace Shown in photo Wires as shown ControlVAC Circuit Trace Across black & white YDip Tube Inspection and Replacement Anode Inspection and Replacement Flue baffle Inner Door Removal Procedure Installation of Inner Door With Gasket Installation of inner door with gasket from Glossary of Terms Parts List Parts@bradfordwhite.com Techserv@bradfordwhite.com
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