Manual

AOSCE15400
Commercial Electric
Water Heaters
DEL MODELS
DEN MODELS
ELEMENT AVAILABILITY CHART
Input 120V 208V 240V 277V 480V
1,500 YES YES YES YES —-
2,000 YES YES YES YES YES
2,500 YES YES YES YES YES
3,000 YES YES YES YES YES
3,500 —- —- YES —- —-
4,000 —- YES YES YES YES
4,500 —- YES YES YES YES
5,000 —- YES* YES* YES* YES*
5,500 —- —- YES* —- —-
6,000 —- YES** YES YES YES
NOTE: DEL-6 not available in above 2.5 KW.
DEL-6 not available in 480V.
* Not available in DEL-10, DEL-15 and DEN-30.
** A6 non-simultaneous circuit only.
Designed for use as a recovery heater having its ownstorage tank. Available in
upright standard models (DEN) and lowboy models (DEL).
FEATURES
GLASS-LINED TANK
- Thirteen sizes; 6 thru 119 gallon capacity. Tank interior is coated with
glass specially developed by A. O. Smith Ceramic Research for water heater use. Tanks Interior is
coated with glass specially developed 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.
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).
OTHER STANDARD FEATURES
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
UL APPROVED FIELD CONVERSION PROGRAM.
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.
®
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