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Bradford-White Corp
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Water Heater
Bradford-White Corp
Commerical 24 Volt Flue Damper series Water Heater, D38T155
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Contents
Main
SERVICE MANUAL
COMMERCIAL 24 VOLT FLUE DAMPER SERIES WATER HEATER
Table of Contents
Tools Required for Service
Sequence of Operation
TROUBLESHOOTING
CAUTION Use Caution Not to Damage Connectors when makingVoltage Measurements or Jumping Terminals
2
120 volt exposure. Use Caution To Avoid Personal Injury.
1
SERVICE PROCEDURE D24-I Thermostat CircuitTesting
3
6
8
5
Thermister Resistance at Various Temperatures
SERVICE PROCEDURE D24-I Thermostat CircuitTesting
Thermister Resistance Testing
Page
SERVICE PROCEDURE D24-II Pilot Operation Testing
Illustration 1
Illustration 3
Illustration 2
SERVICE PROCEDURE D24-III Main Burner Operation Testing
Page
Page
SERVICE PROCEDURE D24-IV Main Burner & Pilot Removal and Inspection
Page
SERVICE PROCEDURE D24-VI Anode Removaland Inspection
Page
Page
Page
Glossary of Terms