Product Overview

ManualsBrandsAO Smith ManualsCommercial Water Heaters10 Gal. Dura-Power DEL Lowboy Electric Heater (6 kW 277V)

www.hotwater.com | 800-527-1953 Toll-Free USA | A. O. Smith Corporation | 500 Tennessee Waltz Parkway | Ashland City, TN 37015

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AOSCE15400

Commercial Electric

Water Heaters

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 KW (see chart).

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 5500

watt elements). Single element heaters,

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 a range of 130° to 170°F on

single element and 120° to 181°F on

dual element) and manual reset high

temperature cutoff per element

DURA-POWER

™

Designed for use as a recovery heater having its own storage tank. Available in

upright standard models (DEN) and lowboy models (DEL).

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

COMPLIANCE

• Meets the standby loss Requirements

of the U.S. Department of Energy and

current edition of ASHRAE/IES 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,

handling and local delivery extra. THIS

OUTLINE IS NOT A WARRANTY. For

complete information consult the written

warranty or A. O. Smith Water Products

Company.

DEN-40

DEL-30

Summary of content (4 pages)

PAGE 1
Commercial Electric Water Heaters DURA-POWER™ 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.
PAGE 2
Commercial Electric Water Heaters OUTLET 3/4” (FEMALE) NPT INLET 3/4” (FEMALE) NPT “D” OUTLET 3/4” (FEMALE) NPT INLET 3/4” (FEMALE) NPT “D” 3/4” NPT RELIEF VALVE OPENING 2 1/2” (63.5 mm) JUNCTION BOX OUTLET 3/4” (FEMALE) NPT JUNCTION BOX TOP VIEW DEL 30/40/50 TOP VIEW DEL 30 - 52 “B” 3/4” NPT RELIEF VALVE OPENING TOP VIEW DEL 6/10/15/20 2 1/2” (63.
PAGE 3
Commercial Electric Water Heaters ELEMENT AVAILABILITY CHART (LIGHT-DUTY COMMERCIAL ELECTRIC) Models & Elements 6-Gallon Models Single-Element 10-Gallon through 20-Gallon Models Single-Element Voltage Wiring 120V - 1.5 2 2.5 3 kW Input Available 208V - 1.5 2 2.5 3 240V - 1.5 2 2.5 3 277V - 1.5 2 2.5 3 480V - 2 2.5 3 120V - 1.5 2 2.5 3 208V - 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 240V - 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 277V - 1.5 2 2.5 3 4 4.
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Commercial Electric Water Heaters RECOVERY CAPACITIES Element Wattage (Upper/ Lower) Input kW U. S. Gallons/Hr and Litres/Hr at Temperature Rise Indicated F° 36 40 54 60 72 80 90 100 108 120 126 C° 20 22.2 30 33.3 40 44.4 50 55.5 60 66.