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A.O. Smith DEL manual

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Table of contents for the manual

  • Page 1

    1 COMMERCIAL ELECTRIC WATER HEATERS Printed in U.S.A. 0704 P ART NO. 195201-000 MODELS DEN AND DEL • Installation • Electrical • Wiring Diagrams • Replacement Parts • Operation • Maintenance • Leakage Checkpoints • Limited W arranty A DIVISION OF A. O. SMITH CORPORA TION McBee, South Carolina, USA w w w .hotwater .com CAUTION TEXT P[...]

  • Page 2

    2 ROUGH-IN DIMENSIONS RECOVER Y CAP ACITIES Element U.S. Gallons/Hr and Litres/Hr at TEMPERA TURE RISE INDICA TED Wattage INPUT F ° 36F° 40F° 54F° 60F° 72F° 80F° 90F° 100F° 108F° 120F° 126F° (Upper/Lower) K W C ° 20C° 22.2C° 30C° 33.3C° 40C° 44.4C° 50C° 55.5C° 60C° 66.6C° 70C° NON-SIMULA T ANEOUS OPERATION /1500 G PH 17 15 1[...]

  • Page 3

    3 FOREWORD Thank you for buying this energy efficient water heater from A.O. Smith W ater Products Company . We appreciate your confidence in our products. Detailed installation diagrams are in this manual. These diagrams will serve to provide the installer with a reference for the materials and method of piping suggested. IT IS NECESSARY THA T ALL[...]

  • Page 4

    4 CLEARANCES A minimum clearance of 4” must be allowed for access to replaceable parts such as the thermostats, drain valve and relief valve. Adequate clearance for servicing this appliance should be considered before installation, such as changing the anodes, etc. FLOOD W ARNING IF THE HEA TER BECOMES IMMERSED IN WA TER UP T O OR ABOVE THE LEVEL[...]

  • Page 5

    5 WIRING DIAGRAMS C-2 CIRCUIT FOR SINGLE ELEMENT HEA TERS EQUIPPED WITH HIGH LIMIT CONTROL Size T emperature Rating of Conductor See T able 310-13 in Code AMG 60° C 75° C M C M (140° F) (167° F) TYPES: TYPES: R U W RH, RHW , RUH, (14-2), (14-2), THW T , TW, THWN, XHHW , U F USE 18 - - - - - - 16 - - - - - - 14 15 15 12 20 20 10 30 30 84 0 4 5 6[...]

  • Page 6

    6 TYPICAL PIPING CONNECTIONS This page shows typical water heater installations by model designations. † OVER CURRENT PROTECTION MUST BE SUPPLIED IN WA TER HEATER CIRCUIT . CONSUL T LOCAL CODE OR NEC-1984 FOR PROPER INST ALLATI ON . * INST ALL IN ACCORDANCE WITH ALL LOCAL CODES. TEMPERA TURE AND PRESSURE RELIEF V AL VE CAUTION TO REDUCE THE RISK [...]

  • Page 7

    7 OPERA TION CAUTION DO NOT OPERA TE THE HEA TER WITHOUT INST ALLING AN APPROVED TEMPERA TURE AND PRESSURE RELIEF V AL VE IN THE OPENING PROVIDED IN THE T ANK. GROUND THE HEA TER TO GUARD AGAINST ELECTRIC SHOCK FROM THE HEA TER OR W A TER SYSTEM. NEVER OPERA TE THE HEA TER WITHOUT FILLING WITH W A TER PER THE FILLING INSTRUCTIONS. F AILURE TO DO SO[...]

  • Page 8

    8 3. Using a flat tip screwdriver , rotate the adjusting knob to the desired temperature setting. 4. Replace the covers and access panels, and turn on heater electrical supply . V alves for reducing point-of-use temperature by mixing cold and hot water are available (See Figure 5). Also available are inexpensive devices that attach to faucets to li[...]

  • Page 9

    9 service, contact your dealer or utility company . Refer to TEMPERA TURE REGULA TION section. 4. The storage capacity of the heater may have been exceeded by large demands of hot water . 5. If the heater was installed when incoming water temperatures were warm, colder incoming temperatures will create the effect of less hot water . 6. Look for lea[...]

  • Page 10

    10 LEAKAGE CHECKPOINTS Instructions : Use this illustration as a guide when checking for sources of water leakage. Y ou or your dealer may be able to correct what appears to be a problem. NOTE: Cover and Insulation shown removed to reveal tank top Relief V alve T o Open Drain Condensation and dripping may appear on pipes when cold water temperature[...]

  • Page 11

    11 MODELS DEN AND DEL ELECTRIC W A TER HEA TER LIMITED WARRANTY A. 0. Smith Corporation, the warrantor , extends the following LIMITED W ARRANTY to the owner of this water heater: 1. THE T ANK If the glass-Iined tank in this water heater shall prove upon examination by the warrantor to have leaked due to natural corrosion from potable water therein[...]

  • Page 12

    12 5621 W . 1 15TH STREET , ALSIP , IL 60803 Phone: 800-433-2545 Fax: 800-433-2515 w w w .hotwater .com e-mail: parts@hotwater .com[...]