Bradford White D80T250 User Manual

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Manual 47985A REV 08/18
SERVICE
MANUAL
Troubleshooting Guide
and Instructions for Service
(To be performed ONLY by
qualified service providers)
Models Covered
by This Manual:
For The Bradford White
“D” Series Models:
D38T155
D75T(125,160,300)
D65T(370,399)
D80T(180,199,250)
D80T(425,505)
D100T(199,250)
D80L(399,450,505)
D100L(199,250,270,300)
D100S(199,250)
Gas Water Heaters
COMMERCIAL 24 VOLT FLUE DAMPER
SERIES WATER HEATER WITH HONEYWELL
INTEGRATED CONTROL SYSTEM
®

Bradford White D80T250 Specifications

General

Capacity	80 gallons
Energy Factor	0.67
Fuel Type	Natural Gas
Recovery Rate	100 gallons per hour
Warranty	6 years
Type	Residential Gas Water Heater
Vent Type	Atmospheric Vent

Summary

Introduction

Tools Required for Service

Lists the necessary tools for performing maintenance and repairs on the water heater.

Specifications

Sequence of Operation

Troubleshooting

Accessing Service Mode

Guide for service personnel to enter and navigate the water heater's service mode.

Error Code Definitions

Explains the meaning and definitions of various error codes displayed by the water heater.

Resetting Lockout Conditions

Procedures for resetting soft and hard lockout conditions on the water heater.

Service Procedure D24-I Thermostat Circuit Testing

Sensor Resistance Testing

Tests sensor resistance at various temperatures to diagnose faults.

Service Procedure D24-II Pilot Operation Testing

Pilot Inspection

Detailed steps for inspecting the pilot assembly for proper function and potential issues.

Service Procedure D24-III Main Burner Operation Testing

Service Procedure D24-IV Main Burner & Pilot Removal and Inspection

Service Procedure D24-IV Control Board Replacement

Service Procedure D24-V Flue Baffle Removal, Inspection

Service Procedure D24-VI Anode Removal and Inspection

Generic Parts List