A.O. Smith WATER HEATERS Electric Heater User Manual


 
3
GENERAL SAFETY
SAFE INSTALLATION, USE AND SERVICE ..............................2
GENERAL SAFETY .................................................................. 3
TABLE OF CONTENTS ..............................................................3
INTRODUCTION ........................................................................4
Preparing for the New Installation ...................................4
NOTES ......................................................................................4
TYPICAL INSTALLATION ..........................................................5
WIRING DIAGRAMS .................................................................. 6
MIXING VALVE USAGE ............................................................7
LOCATING THE NEW WATER HEATER ..................................... 8
Facts to Consider About Location ...................................8
Insulation Blankets ...........................................................8
INSTALLING THE NEW WATER HEATER ..................................8
Water Piping ................................................................. 8-9
Temperature-Pressure Relief Valve........................... 9-10
Filling the Water Heater..................................................10
T&P Valve and Pipe Insulation (Selected Models) ......... 10
TEMPERATURE REGULATION ................................................ 11
Temperature Adjustment................................................ 11
FOR YOUR INFORMATION ..................................................... 12
Thermal Expansion .........................................................12
Strange Sounds ............................................................. 12
Operational Conditions ...................................................12
Smelly Water .................................................................. 12
“Air” in Hot Water Faucets.............................................12
High Water Temperature Shut Off System .................... 12
PERIODIC MAINTENANCE .......................................................12
Anode Rod Inspection.............................................. 12-13
Temperature-Pressure Relief Valve Operation.............. 13
Draining ..........................................................................13
Drain Valve Washer Replacement ................................. 13
Service ........................................................................... 13
LEAKAGE CHECKPOINTS ......................................................14
REPAIR PARTS LIST ............................................................... 15
TROUBLESHOOTING .............................................................. 16
WARRANTY ..................................................................... Insert
TABLE OF CONTENTS