SBN TANK TYPE COMMERCIAL GAS WATER HEATER
SERVICE HANDBOOK
TABLE OF CONTENTS |
|
SBN Service Handbook Introduction | |
Installation Considerations | 4 |
Clearances | 4 |
Exterior Clearance | 5 |
Air Supply | 6 |
Contaminated Air | 9 |
Flammable Items | 9 |
Gas Valve | 10 |
Outlet View | 11 |
Venting | 12 |
Technical Data Venting | |
Sequence of Operation | 15 |
Top View | 15 |
Front View | 16 |
White Rogers Control | 17 |
HSI Board | 18 |
Wiring Diagram | 20 |
Electrical Sequence | 21 |
22 | |
Control Board Diagnostic LED Interpretation and Troubleshooting | |
120 VAC Check to Heater | 23 |
Polarity Check | 24 |
Continuity Check of High Limit | 25 |
Upper Temperature Probe Check | 26 |
Inducer Check | 27 |
Blower Prover/Low Gas Pressure Circuit Check | 28 |
HSI Voltage and Continuity Check | 29 |
Igniter and Gas Valve Circuit Check | 30 |
Gas Valve Coil Continuity Check | 31 |
Flame Prover Check | 32 |
Water Temperature Circuit Check | 33 |
Technical Training Department | 1 | ©2003 |
Ashland City, Tennessee
