Table Of Contents; General Safety; Table Of Contents - A.O. Smith PXHT Instruction Manual

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

GENERAL SAFETY

TABLE OF CONTENTS

FOR YOUR INFORMATION ..................................................... 12
PERIODIC MAINTENANCE ....................................................... 12
LEAKAGE CHECKPOINTS ...................................................... 14
REPAIR PARTS LIST ............................................................... 15
TROUBLESHOOTING .............................................................. 16
WARRANTY ..................................................................... 17-18
3
Temperature Adjustment ................................................ 11
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
Anode Rod Inspection .............................................. 12-13
Temperature-Pressure Relief Valve Operation .............. 13
Draining .......................................................................... 13
Drain Valve Washer Replacement ................................. 13
Service ........................................................................... 13