A.O. Smith AOSRE50400 Instruction Manual

1PRINTED 0707 185834-000KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE WHEN EVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.ALL TEC

10WIRING DIAGRAMFIGURE 5.

11WIRINGNever use the water heater unless it is completely full of water. To prevent damage to the tank and the heating element, the tank must be fill

12HOTTER WATER CAN SCALD: Water heaters are intended to produce hot water. Water heated to a temperature which will satisfy space heating,

13THERMAL EXPANSIONWater supply systems may, because of such events as high line pressure, frequent cut-offs, the effects of water hammer among

14not cause any property damage, as the water may be extremely hot, see Figure 7.FIGURE 7.If after manually operating the valve, it fails to complete

153. Using a Philips screwdriver, unscrew the bottom screw securing the outer door, see Figure 8. 4. Lift up and remove front panel.FIGURE 8.THERMOS

16water inlet and outlet, open the nearest hot water tap and follow lling instructions.Never use this water heater unless it is completely full of wa

17LEAKAGE CHECKPOINTSRead this manual rst. Make sure the electrical power supply has been turned “OFF” before checking the tank for leakage. *A. Co

18Tighten threaded connections. Inspect other appliances near water heater.Turn on electrical switch. Check for blownfuses or tripped breaker.Reset. C

19REPAIR PARTS LISTFIGURE 13. 1 Element Gasket 2 Anode Rod 3 Element Assembly with Gasket, Anode & Fasteners 4 High Limit with Personnel B

2SAFE INSTALLATION, USE AND SERVICEYour safety and the safety of others is extremely important in the installation, use, and servicing of this water h

20RESIDENTIAL ELECTRIC WARRANTY THIS WARRANTY IS APPLICABLE TO THE ORIGINAL OWNER ONLY. In accordance with the warranty terms and conditions sp

21without invalidating the remainder of the affected provision or the other provisions of this warranty. SERVICE AND LABOR RESPONSIBILITYUNDER THIS LI

22NOTES:______________________________________________________________________________________________________________________________________________

23NOTES:______________________________________________________________________________________________________________________________________________

24www.aosmithwaterheaters.com

3GENERAL SAFETY

4Thank You for purchasing this water heater. Properly installed and maintained, it should give you years of trouble free service.Abbreviations Found

5TYPICAL INSTALLATIONMIXING VALVE USAGEFIGURE 2.Water (Potable) Heating: All models are considered suitable for water (potable) heating only. HO

6FACTS TO CONSIDER ABOUT THE LOCATIONCarefully choose an indoor location for the new water heater, because the placement is a very importan

7INSTALLING THE NEW WATER HEATERMOUNTINGMOUNTING - DRYWALL (HOLLOW WALL)1. The selected wall or cabinet must be capable of supporting double the weig

8FIGURE 4.WATER PIPING PRESSURE TESTThis section is only for the manufacturer installing the water heater when the installation is to comply w

9This heater is provided with a properly certified combination temperature - pressure relief valve by the manufacturer.The valve is certified