Rheem ASME 12, ASME 20, Ruud PowerPack ASME E12A, Ruud PowerPack ASME E20A, Ruud PowerPack ASME E30A Specification Sheet

PowerPack ASME

Electric Commercial Water Heaters

Available in 12, 20, 30, and 40 Gallon Tank-Type Models



3 KW thru 36 KW

Electric Commercial Water Heaters are suitable for general commercial hot water
applications and are also ideal for point-of-use installations. Small volume ASME
models are designed to meet engineering specifications.

Construction Features:

• System Sentinel

immersion thermostat models employ
an element diagnostic panel, utilizing
light emitting diodes (L.E.D.), corre­sponding to the number and location
of each heating element. This system
monitors the on-off function of the
electric heating elements.

• Long life ASME tank design

proprietary steel formulation with
high temperature porcelain enamel
to maximize corrosion resistance
resulting in a superior tank design.

• LIFEGUARD heating elements

separate screw-in type elements
feature a stainless steel outer sheath
of INCO-LOY 840, surrounding a
Nichrome wire filament, to resist water
chemical corrosion and burn-out even
in air or sediment…for long element
life and long life performance.

Elements are directly immersed in the
water for maximum recovery efficiency
(98%) and are easily changed by
simply screwing new ones into the
tank. LIFEGU

ARD elements feature

a three (3) year limited warranty.

• Full port, full flow brass drain
valve

• Minimal heat loss design

85% of the tank surface area on all
Rheem-Ruud Commercial Electric
products are insulated with 2-1/2" of
rigid polyurethane foam insulation
providing superior insulating qualities.
Unlike other designs, Rheem-Ruud
Commercial Electrics can achieve 85%
because of the unique compact layout
of the heating elements. This results

in heat losses less than the energy
used by a 75 watt light bulb during
a 48 hour standby period!

Certifications and Ratings:

• Efficiency –

in accordance with ANSI test procedures, these models tested below
the maximum allowable standby loss levels of ASHRAE Standard 90.1b-2001
(Part of the Federally mandated Energy Policy Act (EPact)). Also exceeds energy
efficiency codes of all states including California Energy Commission (CEC).

• Safety and construction –

These products are design certified by Underwriters
Laboratories (UL) to meet UL standard 1453 as electric booster and commercial
storage tank water heaters. All models are North Carolina and Massachusetts code
compliant.

CERTIFIED FOR A

160 PSI MAXIMUM WORKING PRESSURE.

• ASME construction –

standard on E12A, E20A, E30A, and E40A models.

Continued next page.

208, 240,

277 and 480

Voltages

Immersion

Thermostat

Models

®

RECOVERY CAPACITIES Recovery in U.S. Gallons/Hr. (GPH) and Liters/Hr. (LPH) at Various Temperature Rises

INPUT EQUIVALENT 40°F 50°F 60°F 70°F 80°F 90°F 100°F 110°F 120°F 130°F 140°F

KW BTU/HR. UNITS (22°C) (28°C) (33°C) (39°C) (45°C) (50°C) (56°C) (61°C) (67°C) (72°C) (78°C)

3 10,236 GPH 31 25 21 18 16 14 12 11 10 10 9

LPH 117 95 80 68 61 53 45 42 38 38 34

6 20,473 GPH 62 50 41 35 31 28 25 23 21 19 18

LPH 235 188 157 134 117 104 94 85 78 72 67

9 30,709 GPH 93 74 62 53 47 41 37 34 31 29 27

LPH 352 282 235 201 176 157 141 128 117 108 101

12 40,946 GPH 124 99 83 71 62 55 50 45 41 38 35

LPH 470 376 313 268 235 209 188 171 157 145 134

15 51,183 GPH 155 124 103 89 78 69 62 56 52 48 44

LPH 587 470 391 335 294 261 235 213 196 181 168

18 61,420 GPH 186 149 124 106 93 83 74 68 62 57 53

LPH 705 564 470 403 352 313 282 256 235 217 201

24 81,893 GPH 248 199 165 142 124 110 99 90 83 76 71

LPH 939 751 626 537 470 417 376 342 313 289 268

27 92,129 GPH 279 223 186 160 140 124 112 102 93 86 80

LPH 1057 845 705 604 528 470 423 384 352 325 302

30 102,366 GPH 310 248 207 177 155 138 124 113 103 95 89

LPH 1174 939 783 671 587 522 470 427 391 361 335

36 122,839 GPH 372 298 248 213 186 165 149 135 124 115 106

LPH 1409 1127 939 805 705 626 564 512 470 434 403

ELECTRICAL CHARACTERISTICS

INPUT

KW

NUMBER

OF

ELEMENTS

ELEMENT
WATTAGE

FULL LOAD CURRENT

IN AMPERES

208V

Phase

1 3

240V

Phase

1 3

277V

Phase

1

480V

Phase

1 3

IMMERSION THERMOSTATS

No. of

T’Stats

Number

of

Fuses

WATER TEMPERATURE RATINGS

Minimum Maximum High

Model

Tank Capacity

Thermostat Delivered Delivered Temperature

Number Gallons Liters Type Temperature Temperature Limit

E12A 13 49 Immersion 90°F 190°F 200°F

32.2°C 87.8°C 93.3°C

E20A 19.9 75 Immersion 90°F 190°F 200°F

32.2°C 87.8°C 93.3°C

E30A 30 114 Immersion 90°F 190°F 200°F

32.2°C 87.8°C 93.3°C

E40A 40 152 Immersion 90°F 190°F 200°F

32.2°C 87.8°C 93.3°C

3 1 3000 15 – 13 – 11 7 – 2 1

6 3 2000 29 17 25 14 22 13 8 6 1

9 3 3000 44 25 38 22 33 19 11 6 1

12 3 4000 58 34 50 29 44 25 15 6 1

15 3 5000 73 42 63 37 55 32 18 6 1

18 3 6000 87 50 75 44 65 38 22 6 1

18 6 3000 87 50 75 44 65 38 22 12 1

24 6 4000 116 67 100 58 87 50 29 12 1

27 6 4500 130 75 113 65 98 57 33 12 1

30 6 5000 145 84 125 73 109 63 37 12 1

36 6 6000 173 100 150 87 130 75 44 12 1

PowerPack continued.