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Bradford-White Corp
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Water Heater
Bradford-White Corp
- page 27
Models:
50T65F(BN
CX)2
Flammable Vapor Ignition Resistant Water Heater
M1XR403S*F(BN
M1XR504T*F(BN
M2C504T*F(BN
M2XR504T*F(BN
M430T*F(BN
M4403S*F(BN
M4403T*F(BN
M450S*F(BN
MI303T*F(BN
MI30S*F(BN
MI30T*F(BN
MI403S*F(BN
MI404T*F(BN
MI40T*F(BN
MI503*F(BN
MI504S*F(BN
MI50L*F(BN
1
27
28
28
Download
28 pages, 1.41 Mb
27
Notes
Contents
Main
SERVICE MANUAL
Flammable Vapor Ignition Resistant Water Heater
Troubleshooting Guide and Instruction for Service
For the Bradford White Defender Safety System Models:
Table of Contents
Introduction
The Bradford White DEFENDER Safety System
How the Safety System Works
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
Pilot Will Not Light
Troubleshooting Chart
Flammable Vapor Ignition Resistant Water Heaters
Inner Door Removal Procedure
Inner Door Gasket Replacement Procedure
Installation of Inner Door with Gasket
Page
SERVICE PROCEDURE RG-II
Thermocouple Testing and Replacement
Closed Circuit Thermocouple Testing
Open Circuit Thermocouple Testing
SERVICE PROCEDURE RG-II
Thermocouple Testing and Replacement
Thermocouple Replacement
SERVICE PROCEDURE RG-III
Pilot Assembly Inspection, Cleaning and Replacement
Pilot/Electrode Assembly Inspection, Cleaning and Replacement
SERVICE PROCEDURE RG-IV
Piezo Igniter, Electrode
Piezo Igniter, Electrode Testing and Replacement
Combination Thermostat/Gas Valve Testing and Replacement
LINE PRESSURE
MANIFOLD PRESSURE TES TING
THERMOCOUPLE TESTING
MAGNET ASSEMBLY TESTING
ECO (Energy Cut Off) TESTING
COMBINATION THERMOSTAT/GAS VALVE REPLACEMENT
Page
A seal breach may result in a fire or explosion causing property damage, personal injury or death.
MAIN BURNER: Inspection, Adjustment, Cleaning and Replacement
CAST IRON BURNER ADJUSTMENT
!DANGER
WARNING
MAIN BURNER: Inspection, A djus tment, Cleaning and R eplacement
BURNER CLEANIN G
BURNER CLEANING(cont.)
RESETTABLE THERMAL SWITCH CONTINUITY TESTING
SERVICE PROCEDURE RG-VII
Resettable Thermal Switch
Page
ScreenLok Flame Arrestor Cleaning
SERVICE PROCEDURE RG-VIII
ScreenLok Flame Arrestor Cleaning
Dip Tube Inspection and Replacement
SERVICE PROCEDURE RG-IX
Dip Tube and Anode Inspection and Replacement
Anode Inspection and Replacement
SERVICE PROCEDURE RG-IX
Dip Tube and Anode Inspection and Replacement
PARTS LIST