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Table of Contents
Section
Page
Introduction ______________________________________________ 5
How to Use this Manual _____________________________________ 6
Tools Required for Service ___________________________________ 6
Specifications _____________________________________________ 7
Sequence of Operation _____________________________________ 9
Power Up Sequence
Normal Heating Sequence
Abnormal Operation
Troubleshooting __________________________________________ 13
Burner Maintenance _______________________________________ 15
Burner Inspection
Burner Cleaning Procedure
Pilot Maintenance_________________________________________ 17
Pilot Inspection, Testing and Replacement
Blower Replacement ______________________________________ 19
Gas Control Testing & Replacement __________________________ 21
Determine Temperature Inside Tank _____________________ 21
Gas Control Removal _________________________________ 22
Flammable Vapor Sensor Testing ____________________________ 23
120 VAC Circuit Trace _____________________________________ 23
Diptube Inspection _______________________________________ 24
Anode Inspection _________________________________________ 25
Blower Removal __________________________________________ 25
Inner Door Removal ______________________________________ 28
Inner Door Gasket Replacement _____________________________ 30
Inner Door Installation ____________________________________ 31
Pressure Switch Testing & Replacement _______________________ 32
Arrestor Cleaning _________________________________________ 34
Common Terms __________________________________________ 35
Parts List _______________________________________________ 36
Notes __________________________________________________ 37
