Table Of Contents - Bradford White EF100T150(E)*(N Service Manual

Table of Contents

Table Of Contents2
How To Use This Manual4
Tools Required For Service4
Features5
Specifications6
Dimensions (Inches)6
Hot Surface Ignition System7
Integrated Control System8
Vent Tables9
Sequence Of Operation - For Models To Cf Serial Numbers10
Sequence Of Operation - For Models Prior Cf Serial Numbers11
Lockout Conditions11
Ignition Module Specifications11
Wiring Diagram11
Sequence Of Operation - Models Starting W/ Cf Serial Numbers And Later12
Sequence Of Operation - For Models With Honeywell Integrated Control14
Connection/Wiring Diagram15
Troubleshooting16
System Observation16
Led Status & Probable Cause17
Control Board18
Accessing Service Mode On Control Display20
Display Of Water Temperature25
To Display Flame Sense Current Of The Pilot Flame Sensor26
To Display And Change Temperature Setpoint26
To Display And Change Temperature Format28
Error Codes And Error History Display30
Error Code History30
To View Previous Error Codes31
Error Code Definitions33
Resetting Error Codes In Hard Lockout Condition34
Thermostat Circuit Testing And Replacement35
Ignition Module37
Sensor Resistance At Various Temperatures38
Temperature Ohms Chart38
Thermostat Board Replacement Procedure40
Thermostat Potentiometer Replacement Procedure41
Thermostat Sensor (Thermister) Replacement Procedure42
Combustion System Testing And Replacement43
Serial Numbers Including And After Gb13006174 And All Efr Models46
Combustion System Removal Procedure47
Combustion System Replacement Procedure48
Burner Tube Inspection And Replacement49
Burner Tube Removal Procedure49
Gas Valve Replacement Procedure51
Blower Testing And Replacement52
Blower Replacement Procedure53
Exhaust Pressure Switch Testing And Replacement54
Check Collector Pressure55
Blocked Vent Pressure Switch Testing And Replacement57
Check Exhaust Tube Pressure58
Blocked Vent Switch Testing And Replacement59
Exhaust Pressure Switch Replacement Procedure59
Hot Surface Igniter Testing Procedure60
Hot Surface Igniter Replacement Procedure61
Flame Sensor Testing Procedure62
Flame Sensor Replacement Procedure63
Spark Rod Gap Inspection And Adjustment64
Spark Rod Replacement Procedure65
Ignition Module Replacement Procedure66
Control Board Replacement67
Transformer Replacement68
Intake Pressure Switch Testing And Replacement69
Vent Safety Switch Testing And Replacement71
Anode/Flue Baffle Inspection And Replacement73
Disassembly Procedure For Access To Anodes & Flue Baffles73
Anode Inspection And Replacement74
Flue Baffle Inspection And Replacement75
Powered Anode Replacement Ef100T399 Models Only76
Collector Cover Installation Procedure77
Installation Check List78
Balanced Direct Vent Systems Pvc, Cpvc78
Power Vented Systems Pvc, Cpvc78
Model Number79
Gas Pressure79
Condensate Line79
Parts List - Models Prior To "Cf" Serial Number80
Parts List - Models With "Cf" Serial Or Later83
Parts List - Models With Direct Spark Ignition86
Glossary Of Terms89