Bradford White D65T370 User Manual

Save this manual for future reference
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 D65T370 Specifications

General

Brand	Bradford White
Model	D65T370
Category	Water Heater
Language	English

Summary

Specifications

Sequence of Operation

Troubleshooting

Accessing Service Mode

Procedure for entering and using the water heater's service mode for diagnostics and settings.

Error Code Definitions

List and explanations of error codes displayed by the water heater for fault diagnosis.

Resetting Lockout Conditions

Instructions for resetting the water heater's lockout conditions after addressing malfunctions.

SERVICE PROCEDURE D24-I Thermostat Circuit Testing

Sensor Resistance Testing

Procedure to test the resistance of upper and lower sensors against temperature for accurate readings.

SERVICE PROCEDURE D24-II Pilot Operation Testing

Pilot Inspection

Steps to inspect the pilot assembly, including the pilot orifice and flame sense rod, for proper function.

SERVICE PROCEDURE D24-III Main Burner Operation Testing

SERVICE PROCEDURE D24-IV Control Board Replacement

SERVICE PROCEDURE D24-V Flue Baffle Removal, Inspection

SERVICE PROCEDURE D24-VI Anode Removal and Inspection

Approximate Anode Rod Locations

Diagrams showing the locations of anode rods on various Bradford White water heater models.

Generic Parts List

Glossary of Terms