1. DL manuals
  2. A.O. Smith
  3. Water Heater
  4. DEL 10
  5. Instruction Manual

A.O. Smith DEL 10 Instruction Manual

Manual is about: Series 102, Series 110 COMMERCIAL ELECTRIC WATER HEATERS

Summary of DEL 10

  • Page 1

    1 instruction manual printed 1213 322055-002 place these instructions adjacent to heater and notify owner to keep for future reference. Commercial electric water heaters thank you for buying this energy efficient water heater. We appreciate your confidence in our products. Models del-6/10/15/20 seri...

  • Page 2

    2 safe installation, use, and service 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...

  • Page 3: General Safety Information

    3 general safety information when servicing this unit, verify the power to the unit is turned off prior to opening the control cabinet door. Precautions do not use this water heater if any part has been under water. Immediately call a qualified service technician to inspect the water heater and to r...

  • Page 4: Table Of Contents

    4 thank you 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 • ahri - air-conditioning, heating and refrigeration institute • nec - nat...

  • Page 5

    5 dimensions and capacities data table 2 - recovery capacities element wattage (upper/lower) input kw u.S. Gallons/hr and litres/hr at temperature rise indicated f° 36f° 40f° 54f° 60f° 72f° 80f° 90f° 100f° 108f° 120f° 126f° c° 20c° 22.2c° 30c° 33.3c° 40c° 44.4c° 50c° 55.5c° 60c° 66.6c° 70c° non-simu...

  • Page 6: Approvals

    6 approvals model and rating del-30/40/50 & den-30/40/52/66/80/120 del-6/10/15/20 all models are listed by underwriters laboratories inc..

  • Page 7: Features And Components

    7 features and components electronic control models figure 2 this page shows typical water heater installations by model designations. † over current protection must be supplied in water heater circuit. Consult local code or nec-1984 for proper installation. * install in accordance with all local co...

  • Page 8

    8 facts to consider about the location the water heater should be located as close as possible to/or centralized to the water piping system. The water heater should be located in an area not subject to freezing temperatures. The water heater should be located in an area where leakage of the tank or ...

  • Page 9: Installation

    9 installation required ability installation and service of this water heater requires ability equivalent to that of a qualified installer or service agency (page 2) in the field involved. Plumbing and electrical work is required. General the installation must conform with these instructions and the...

  • Page 10

    10 paragraph. The new valve must be marked with a maximum set pressure not to exceed the marked hydrostatic working pressure of the water heater (150 psi = 1,035 kpa) and a discharge capacity not less than the water heater btu/hr or kw input rate as shown on the water heater’s model rating plate. Fo...

  • Page 11: Electrical

    11 electrical general the installation must conform with these instructions and the local code authority having jurisdiction and the requirements of the power company. In the absence of local codes, the installation must comply with the current editions of the national electrical code, nfpa 70 or th...

  • Page 12: Wiring Diagrams

    12 figure 3 wiring diagrams c-2 circuit for single element heaters equipped with high limit control a-8 circuit for dual element heater factory wired ---------- field wiring † white for 120v & 277v.

  • Page 13: Operation

    13 operation general refer to the features and components section of this manual (page 7) for the location of components mentioned in the instructions that follow. Never turn on power to the water heater without being certain the water heater is filled with water and a temperature and pressure relie...

  • Page 14: Temperature Regulation

    14 the water heater is equipped with an adjustable thermostat to control water temperature. Hot water at temperatures desired for automatic dishwasher and laundry use can cause scalds resulting in serious personal injury and/or death. The temperature at which injury occurs varies with the person’s a...

  • Page 15: Maintenance

    15 general periodically the drain valve should be opened and the water allowed to run until it flows clean. This will help to prevent sediment buildup in the tank bottom. Periodically check the temperature and pressure relief valve to ensure that it is in operating condition. Lift the lever at the t...

  • Page 16: Troubleshooting Checklist

    16 troubleshooting checklist checklist before calling for service, check the following points to see if the cause of trouble can be identified and corrected. Reviewing this checklist may eliminate the need of a service call and quickly restore hot water service. See figure 2 on page 7 in this manual...

  • Page 17

    17 leakage checkpoints instructions: use this illustration as a guide when checking for sources of water leakage. You or your dealer may be able to correct what appears to be a problem. Note:coverandinsulationshownremovedtorevealtanktop. Relief valve to open drain condensation and dripping may appea...

  • Page 18: Warranty

    18 warranty a. O. Smith corporation, the warrantor, extends the following limited warranty to the owner of this water heater: 1. The tank 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, dur...

  • Page 19: Notes

    19 notes.

  • Page 20

    20 repair parts list now that you have purchased this water heater, should a need ever exist for repair parts or service, simply contact the company it was purchased from or direct from the manufacturer listed on the rating plate on the water heater. Selling prices will be furnished on request or pa...

  • Page 21

    21 item description del-6 del-10 del-15 del-20 series 102 series 102 series 102 series 102 1a .......Anode, alum... ................................... 9003942005 ......... 9003942005 ........ 9003942005 ....... 9003944005 1b .......Anode, mag. (smr p72 and s19)...... 9001909005 ......... 9001909005...

  • Page 22

    22 item description del-30 del-40 del-50 den-30 den-40 den-52 den-66 den-80 den-120 series 110 series 110 series 110 series 110 series 110 series 110 series 110 series 110 series 110 1a ....Anode, alum. ............................ 9003944005 ....9003944005 ...9003944005 ....9003944005 ...9003944005...

  • Page 23

    23 table 6 - copper sheath element and wattage chart k.W. Element wattage 120v 208v 240v 277v 480v part no. Part no. Part no. Part no. Part no. 1.0 1000w - - - 9002863115 90001431005 - - - - - - 1.5 1500w 9002963005 9000145005 9002864005 9001225115 - - - 2.0 2000w 9003947005 9002858005 9000145005 90...

  • Page 24

    24 www.Hotwater.Com 500 tennessee waltz parkway, ashland city, tn 37015 tech support: 800-527-1953 parts: 800-433-2545 copyright © 2012 a. O. Smith water heater company, all rights reserved..