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It is intended for this manual to be used by qualified service personal for the primary purpose of
troubleshooting analysis and repair of the Bradford White 24 Volt Flue Damper Series Water
Heater. Understanding the sequence of operation section of this manual will contribute greatly to
troubleshooting this product.
Troubleshooting begins simply by resetting the water heater and observing the lighting sequence
to determine failure mode. This step by step procedure beginning on page 5 will direct the service
provider to a series of test procedures to determine root cause of failure.
Contact Technical support immediately if diagnosis is not determined using the methods described
in this service manual.
Tools Required for Service
Manometer:
Multi-Meter:
Thermometer:
Water Pressure Gage:
Jumper Leads:
Various Hand Tools:
Two types available, a liquid "U" tube type or a digital (magna-helic)
type. This device is used to measure gas and/or air pressures and
vacuum.
A digital type is strongly recommended. This device is used to measure
electrical values. The meter you select must have the capability to
measure volts AC, volts DC, Amps, micro-amps and ohms.
Used to measure water temperature. An accurate thermometer is
recommended.
Used to measure water supply pressure. Also used to determine tank
pressure by adapting to the drain valve of the heater.
A length of wire (12" min.) with alligator clip at both ends.
Pipe wrench, channel locks, open end wrench set, 12" crescent wrench,
Allen wrench set, torx bit set, screw drivers (common & phillips), long
reach (12") magnetic tip phillips head screw driver #2 tip, ¼" nut driver,
pliers (common & needle nose), socket set including a 1-1/16 deep well
socket, wire cutters, wire strippers, wire crimpers, torpedo level, small
shop vac, step ladder, and flashlight.
Page 3
Introduction
3
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