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A.O. Smith DVE-150, DHE-200 manual

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Table of contents for the manual

  • Page 1

    1 Instruction Manual PRINTED IN THE U . S .A 1 207 09063340-000 PLACE THESE INSTRUCTIONS ADJACENT TO HEA TER AND NOTIFY OWNER T O KEEP FOR FUTURE REFERENCE. COMMERCIAL ELECTRIC W A TER HEA TERS ASM E Thank you for buying this energy efcient water heat er from A.O. Smith W ater Produc ts Comp any . We appreciate your condence in our products. [...]

  • Page 2

    2 SAFE INS T ALLA TION, USE, AND SER VICE The proper installation, use and servicing of this water heater is extremely important to your safety and the safety of others. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard. Read and obey all [...]

  • Page 3

    3 GENERAL SAFETY When servicing this unit, verify the power to the unit is turned off prior to opening the control cabinet door .[...]

  • Page 4

    4 Thank Y ou for purchasing this water heater. Properly installed and maintained, it should give you years of trouble free service. Abbreviations Found In This Instruction Manual: • ANSI - American National Standards Institute • ASME - American Society of Mechanical Engineers • GAMA - Gas Appliance Manufacturer ’s Association • NEC - Nati[...]

  • Page 5

    5 DIMENSIONS AND CAP ACITIES DA T A[...]

  • Page 6

    6 FEA TURES AND COMPONENTS  Y our actual conguration may vary . DVE V ertical W ater Heater (typical).[...]

  • Page 7

    7 FEA TURES AND COMPONENTS  Y our actual conguration may vary . DHE Horizontal W ater Heater (typical).[...]

  • Page 8

    8 F ACTS TO CONSIDER ABOUT THE LOCA TION Carefully choose a location for the new water heater . The placement is a very important consideration for the safety of the occupants in the building and for the most economical use of the appliance. Whether replacing an old water heater or putting the water heater in a new location, the following critical [...]

  • Page 9

    9 refrig erants , swimming pool chemicals, water softene r c hemical s, calcium and sodium chloride, waxes, and process chemicals are typ ical com poun ds which are pot enti all y cor ros ive. The se mater ials are corrosive at very low concentration levels with little or no odor to reveal their presence. Products of this sort should not be stored [...]

  • Page 10

    10 T ABLE 1. BRANCH CIRCUIT WIRE SIZE. These ampacities relate only to conductors described in T able 310-13 of the NEC. For ambient temperatures over 30°C, see Correction Factors, Note 13 in the NEC. ELECTRICAL GENERAL Check the water heater model and rating plate information against the characteristics of the branch circuit electrical supply . D[...]

  • Page 11

    11 ELECTRICAL AND RECOVERIES DA T A T ABLE 2.[...]

  • Page 12

    12 WIRING DIAGRAMS TURN OFF THE HEA TER ELECTRICAL SUPPL Y BEFORE SER VICING ANY ELECTRICAL COMPONENTS. 300-600 VOL TS ST ANDARD THERMOST A T CONTROL WIRING (WYE).[...]

  • Page 13

    13 WIRING DIAGRAMS TURN OFF THE HEA TER ELECTRICAL SUPPL Y BEFORE SER VICING ANY ELECTRICAL COMPONENTS. 208-240 VOL TS, ST ANDARD THERMOST A T CONTROL WIRING (DEL T A)[...]

  • Page 14

    14 HOTTER W A TER CAN SCALD: Water heaters are intended to produce hot water . W ater heated to a temperature which will satisfy space heating, clothes washing, dish washing, and other sanitizing needs can instantly scald and permanently injure you upon contact. Some people are more likely to be permanently injured by hot water than others. These i[...]

  • Page 15

    15 in st r uc ti on s fo r ins ta ll ati on of t he va lv es. Be fo re cha ng in g the f ac to ry se tt i ng o n t he the rm os t at , rea d t he entire “Te mp era tu re Reg ul at i on ” section in this manual. It is recommended that lower water temperatures be used to avoid the risk of scalding. It is further recommended, in all cases, that th[...]

  • Page 16

    16 TEMPERA TURE-PRESSURE RELIEF V AL VE OPERA TION The TEMPERA TURE-PRESSURE RELIEF V AL VE m u s t b e manually operated at least once a month. Lift the lever at the top of valve several times until the valve seats properly and operates freely , see Figure 2B. Wh en ch ec ki ng the te mpe ra tu re -p re ss ur e rel ie f val ve oper at io n, make s[...]

  • Page 17

    17 TROUBLESHOOTING CHECKLIST Before calling for service, check the following points to see if the cause of trouble can be identied and corrected. Reviewing this checkl ist may eliminate the need of a servi ce call and quickl y restore hot water service. The illustrati on in the F eatures and Components s ection of this manual identies the loc[...]

  • Page 18

    18 W ARRANTY A. O. Smith Corporation, the warrantor , extends the following LIMITED WARRANTY to the owner of this water heater: 1. THE T ANK If the glass-lined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable water therein, during the rst THREE years after initial instal[...]

  • Page 19

    19 NOTES[...]

  • Page 20

    20 www .aosmithwaterheaters.com[...]