Instruction/ maintenance manual of the product DEL A.O. Smith
Go to page of 12
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.
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.
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.
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.
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) T.
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.
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.
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).
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 .
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.
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.
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.
An important point after buying a device A.O. Smith DEL (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought A.O. Smith DEL yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data A.O. Smith DEL - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, A.O. Smith DEL you will learn all the available features of the product, as well as information on its operation. The information that you get A.O. Smith DEL will certainly help you make a decision on the purchase.
If you already are a holder of A.O. Smith DEL, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime A.O. Smith DEL.
However, one of the most important roles played by the user manual is to help in solving problems with A.O. Smith DEL. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device A.O. Smith DEL along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
