Commercial Electric
® Water Heaters
TM
Designed for use as a recovery heater having its own storage tank. Available in upright standard models (DEN) and lowboy models (DEL).
GLASSLINED TANK - Thirteen sizes; 6 thru 119 gallon capacity. Tank interior is coated with glass specially designed by A. O. Smith for water heater use.
ELEMENTS - Zinc plated copper sheaths for longer life. Medium watt density means lower surface temperature to minimize scale build-up and more surface to heat water. Element sizes from 1.5 to 6 KW. Maximum input 12 KW (see chart on back).
STANDARD VOLTAGES - 120, 277 single phase and 208, 240 and 480V unbalanced three-phase delta; easily converted to single-phase at terminal block (except 208V with 6000 watt elements). Single element heater, single-phase only.
TERMINAL BLOCK - Factory-installed. Just bring the service to heater and connect to block. Terminal block not supplied on 120V & 277 volt models. (No junction box on DEL6-20)
CONTROLS - Temperature control (adjustable through arange of 110° to 170°F on single element and 120° to 180°Fon dual element) and manual reset high temperature cutoff per element (dual element models). Factory-wired for non-simultaneous operation; easily converted to
simultaneous element operation (three phase models only).
CSA CERTIFIED AND ASME RATED T&P RELIEF VALVE
SIMPLIFIED CIRCUITRY, COLOR CODED FOR EASE OF SERVICE
ANODE ROD FOR MAXIMUM CORROSION PROTECTION
CABINET HAS BONDERIZED UNDERCOAT WITH BAKED ENAMEL FINISH
TOP INLET AND OUTLET OPENINGS
DRAIN VALVE (EXCLUDES DEL 6-20)
UL APPROVED FIELD CONVERSION PROGRAM - The 6 through 20 models are UL listed to UL 174 and the 30 through 120 models are listed to UL 1453.
COMPLIANCE - Meets the standby loss Requirements of the U.S.
Department of Energy and current edition of ASHRAE/IESNA 90.1.
LIMITED WARRANTY OUTLINE - If the tank should leak any time during the first three years, under the terms of the warranty, A. O. Smith will furnish a replacement heater; installation, labor, handeling and local delivery extra. THIS OUTLINE IS NOT A WARRANTY. For complete information consult the written warranty or A. O. Smith Water Products Company.
Revised August 2013
DEN/DEL
MODELS
Low Lead Content
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AOSCE15400
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