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Bradford White UPDX series User Manual

Bradford White UPDX series
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Manual 238-49399-00A
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
UPDX250T*FRN
UPDX265T*FRN
UPDX275T*FRN
UPDX50S50FR*N
UPDX65S55FR*N
UPDX75S55FR*N
(*) Denotes Warranty Years
Ultra Low NOx Power Direct Vent
Gas Water Heaters
UPDX Series

Questions and Answers:

Bradford White UPDX series Specifications

General IconGeneral
CategoryWater Heater
ManufacturerBradford White
SeriesUPDX
TypePower Vent
Fuel TypeNatural Gas or Propane
Energy Factor0.67-0.70
DimensionsVaries by model
WeightVaries by model
Recovery RateVaries by model
Tank Capacity40, 50, 75 gallons
Warranty6 years limited warranty
Venting2"

Summary

Safety and Precautions

General Safety Guidelines

Covers handling flammable materials, gas leaks, and general warnings for safe operation.

Important Pre-installation Checks

Emphasizes inspecting the water heater for damage before installation to ensure safety.

Tools Required for Service

Specifications

Control Timings

Sequence of Operation

Abnormal Operation

Flammable Vapor Sensor Faults

Describes error conditions related to the flammable vapor sensor's resistance.

Temperature Sensor Faults

Details error conditions related to temperature sensor readings or faults.

Abnormal Operation (Continued)

Pressure Switch and Blower Temperature Switch Faults

Covers faults related to pressure and blower temperature switches.

Ignition and Flame Sensing Faults

Addresses issues with pilot ignition trials and flame sensing.

Troubleshooting

Troubleshooting for Models J or Earlier

Lists LED status, error codes, probable causes, and solutions for models with serial numbers starting with J or earlier.

Troubleshooting for Models K or Later

Lists LED status, error codes, probable causes, and solutions for models with serial numbers starting with K or later.

Service Procedures

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