Bradford-White Corp MI30T*F service manual Bradford White

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TheBradford White

Safety System®

Flammable Vapor Ignition Resistant Water Heaters

Table of Contents

 

Page

Service Procedure

Introduction

3

 

- - -

Trouble shooting Chart

4

 

- - -

Inner Door Gasket Removal, Inspection, Replacement and Installation

7

 

RG-I

Thermocouple/Thermopile Testing and Replacement

10

 

RG-II

Pilot Assembly Inspection Cleaning and Replacement

13

 

RG-III

Piezo Igniter, Electrode Testing and Replacement

14

 

RG-IV

White Rodgers/Robertshaw Gas Valve Testing and Replacement

15

 

RG-V

Honeywell Gas Control Testing, Disassembly, and Replacement

20

 

RG-VI

Burner Operation Inspection, Adjustment, Cleaning and Replacement

31

 

RG-VII

Resettable Thermal Switch Testing and Replacement

34

 

RG-VIII

ScreenLok® Flame Arrestor Cleaning

36

 

RG-IV

Dip Tube and Anode Inspection and Replacement

37

 

RG-X

Generic Parts List

39

 

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2

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Contents Service Manual Bradford White Introduction White Rodgers/Robertshaw Gas Valve Troubleshooting Chart Honeywell Gas Control Troubleshooting Chart Honeywell Gas Control Troubleshooting Chart Defender Installation of Inner Door With Gasket Combustion chamber Closed Circuit Thermocouple Testing White Rodgers Control Closed Circuit Thermocouple Testing Robertshaw ControlThermocouple Replacement White Rodgers/Robertshaw Gas Valve Open Circuit Thermopile Testing Honeywell Gas Control PILOT/ELECTRODE Assembly Inspection Cleaning and Replacement Piezo IGNITER, Electrode Testing and Replacement DefenderGas Valve Testing and Replacement White Rodgers/Robertshaw Line PressureMagnet Assembly Testing Robertshaw Control Thermocouple TestingMagnet Assembly Testing White Rodgers Control ECO Energy Cut Off Testing Combination THERMOSTAT/GAS Valve ReplacementWrench Boss Position thermocouple, pilot tube and Piezo wire Honeywell Gas Control Testing, Disassembly, and Replacement Thermopile Testing Temperature Sensor Testing DefenderDetermine Water Temperature Inside Tank Sensor Resistance at Various TemperaturesGAS Control DISASSEMBLY/REASSEMBLY Temperature sensor Wire routing clip Disconnect Use caution not to bend or damage valve body pins Pull in this direction Temperature sensor Insertion stick GAS Control Replacement Defender Combustion chamber Main Burner Inspection, Adjustment Cleaning and Replacement Cast Iron Burner AdjustmentPosition thermocouple/thermopile Pilot tube and Piezo wire Burner Cleaning Resettable Thermal Switch Continuity Testing Resettable Thermal Switch Replacement Over Tighten ScrewsScreenLok Flame Arrestor Cleaning Feedline NutDIP Tube Inspection and Replacement Anode Inspection and Replacement Generic Parts List Parts@bradfordwhite.com Techserv@bradfordwhite.com