American Water Heater GAS-FIRED COMMERCIAL WATER HEATER User Manual
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2
TABLE OF CONTENTS
page
GENERAL INFORMATION............................................................ 3
INSTALLATION. ............................................................................ 5
Locating The Water Heater .................................................... 5
Minimum Clearances.............................................................. 8
Venting..................................................................................... 14
Combustion Air Supply.......................................................... 16
Water Connections ................................................................. 18
Gas Connections .................................................................... 21
GENERAL OPERATION................................................................ 22
Wiring Diagrams
Standard Pilot Wiring Diagram........................................ 23
Spark Ignition Wiring Diagram. ....................................... 24
Lighting and Shutdown Instructions
Standard Pilot Models. ..................................................... 25
Spark Ignition Models. ..................................................... 26
Temperature Adjustment ....................................................... 27
Burner Flame Check............................................................... 29
MAINTENANCE ............................................................................. 30
OPERATING & TROUBLESHOOTING GUIDE............................. 34
TEMPERATURE CONTROL CHECKOUT .................................... 35
PARTS LIST & DRAWING ............................................................ 39
INSTALLATION INSTRUCTIONS FOR POTABLE WATER AND
SPACE HEATING .......................................................................... 40
NOTES ........................................................................................... 42