Bradford-White Corp PE4403S*F(BN,SX) Manual De Usuario

Descargar
Página de 32
Page 2 
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 _______________________________________ 17 
 Burner 
Inspection 
Burner Cleaning Procedure 
Pilot Maintenance _________________________________________ 19 
Pilot Inspection, Testing and Replacement 
Thermal Well Testing ______________________________________ 21 
Determine Water Temperature Inside Tank_____________________ 22 
Component Disassembly ___________________________________ 24 
Gas Control Removal ______________________________________ 25 
Gas Control Assembly _____________________________________ 26 
Flammable Vapor Sensor Testing_____________________________ 27 
120 VAC Circuit Trace _____________________________________ 28 
Relay Replacement________________________________________ 28 
Common Terms __________________________________________ 30 
Notes __________________________________________________ 30 
Parts List _______________________________________________ 31 
2