1 - A.O. Smith Water Heaters

Contents
Contents ........................................................................................................ 2
Owner's Guide
Important Safety Information....................................................................... 3
General Parts
Main Unit.................................................................................................... 7
Remote Controller .................................................................................... 8
Initial Operation ........................................................................................... 10
How to Use (Using the remote controller)
Muting the Remote Controller ................................................................. 11
Setting and Using the Water Heater........................................................ 12
Flow Meter Alarm ...................................................................................... 14
Preventing Damage from Freezing ............................................................ 16
Regular Maintenance................................................................................... 18
Troubleshooting .......................................................................................... 20
Follow-up Service ........................................................................................ 24
Specifications .............................................................................................. 25
External outfitting ........................................................................................ 26
Combustion unit and gas route.................................................................. 28
Hot-water feed route .................................................................................... 30
Electronic control unit................................................................................. 32
Electronic control unit, Remote controller and Attached set .................. 33
Installation Manual ...................................................................................... 34
1. Included Accessories ............................................................................ 35
2. Optional Accessories ............................................................................ 35
3. Quick Connect Multi System Installaion ............................................. 36
4. Before Installation ................................................................................. 37
5. Choosing Installation Site .................................................................... 37
6. Installation Clearances ......................................................................... 39
7. Installation .............................................................................................. 42
8. Vent Pipe Installation (Indoor Installation Only) ................................. 43
9. Gas Piping .............................................................................................. 46
10. Water Piping ........................................................................................... 48
11. Plumbing Applications .......................................................................... 49
12. Electrical Wiring .................................................................................... 50
13. Maintenance ........................................................................................... 54
14. Trial Operation ....................................................................................... 54
15. Dimensions ............................................................................................ 56
Remote Controller Installation Guide ....................................................... 59
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