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.
MODEL NUMBERS
• Fuse type
the “G” in the model number
represents Class G fuses.
• UL Sanitation compliance
all models are UL Sanitation
(NSF5) compliant when
equipped with the optional
ring seal kits. E12A, E20A,
E30A-(AS39827),
E40A-(AS39828) Solid State
Low Water Cut-off – units may
be ordered with probe type
cut-off for field installations
(AP8408).
IMMERSION THERMOSTATS
Tank Capacity In Gallons
12 20 30 40
E12A-3-G E20A-3-G E30A-3-G E40A-3-G
E12A-6-G E20A-6-G E30A-6-G E40A-6-G
E12A-9-G E20A-9-G E30A-9-G E40A-9-G
N/A E20A-12-G E30A-12-G E40A-12-G
N/A E20A-15-G E30A-15-G E40A-15-G
N/A E20A-18-G E30A-18-G E40A-18-G
N/A N/A E30A-24-G E40A-24-G
N/A N/A E30A-27-G E40A-27-G
N/A N/A E30A-30-G E40A-30-G
N/A N/A E30A-36-G E40A-36-G
INPUT
KW
3
6
9
12
15
18
24
27
30
36
DIMENSIONAL INFORMATION All dimensions shown in English and Metric
MODEL
APPROX. SHIPPING
WEIGHT (LBS.)/(KG)
NUMBER UNITS
ABCD E
ASME
E12A inches 28-1/2 19 24-1/4 14-3/4 26-1/4 135
mm 724 483 616 375 667 61
E20A inches 36-1/2 19 24-1/4 14-3/4 26-1/4 160
mm 927 483 616 375 667 73
E30A inches 49-1/4 19 24-1/4 14-3/4 32-1/2 192
mm 1251 483 616 375 826 87
E40A inches 53-3/4 21 26-3/4 16-1/2 32-1/2 228
mm 1365 583 679 419 826 104
B
8"
D
A
E
3
/4"
T&P
4
1
/4"
2
1
/2"
SYSTEM SENTINEL
AUTOMATIC
TEMPERATURE
CONTROL
C
• System Sentinel
all models employ a
diagnostic panel utilizing
light emitting diodes (L.E.D.),
corresponding to the number
and location of each heating
element. L.E.D.’s are
energized when the electric
elements are operating. An
unlit L.E.D. pinpoints the
exact location of a nonfunctioning element, making
element operation diagnosis
simple and positive.
PowerPack continued.
Water heater(s) shall be model ________________, manufactured by RHEEM-RUUD, having electrical input of __________
kW and a recovery rate of _____________ GPH at a 100°F temperature rise. Water heater(s) shall have a storage capacity of
___________ gallons. Water heater(s) shall have the UL seal of certification and be factory equipped with an AGA/ASME rated
temperature and pressure relief valve. Water heater(s) shall be constructed in accordance with the requirements of the ASME
Boiler and Pressure Vessel Code, Section IV Part HLW. Tank(s) shall have a coating of high temperature porcelain enamel and
furnished with two (2) magnesium anode rods rigidly supported. Water heater(s) shall meet or exceed the standby loss requirements of ASHRAE Standard 90.1b-2001. Tank(s) shall have a working pressure of 160 psi, and shall be completely assembled. Water heater(s) shall be approved-listed and constructed in accordance with UL Sanitation (NSF5). Water heater(s) shall
be equipped with LIFEGUARD “screw-in” type elements featuring a stainless steel outer sheath of INCO-LOY 840 material.
Tank shall be insulated with 2-1/2" of rigid polyurethane foam insulation. Water heater(s) shall be constructed with a SYSTEM
SENTINEL element diagnostic panel utilizing light emitting diodes. Each LED will correspond to the number and location of the
heating elements and monitor their on-off function. Water heater(s) shall be provided with internal power circuit fusing, control
circuit fusing, magnetic contactors, 120 volt control circuit transformer and immersion thermostat(s) with manual reset high limit
control. 3/4" inlet and outlet water connections shall be provided. Water heater(s) shall be covered by a three year limited
warranty against tank leaks.
This product features a three year limited warranty against tank leaks.
Please refer to Commercial Warranty Information brochure for complete warranty information.
Recommended Specifications:
Limited Warranty:
COMMERCIAL
WATER HEATERS
Rheem Water Heating • 101 Bell Road, Montgomery, Alabama 36117-4305 • www.rheem.com
Rheem Canada Ltd./Ltée,128 Barton Street West, Hamilton, Ontario L8N 3P3
PRINTED IN U.S.A 02/06 WP FORM NO. RR102CE-5 Rev. 5
In keeping with its policy of continuous progress and product improvement, Rheem-Ruud reserves the right to make changes without notice.
PowerPack continued.
Other Features:
• Integral Fusing
all models have integral fusing for each element.
• Anode Rods
two (2) magnesium anodes are installed in each tank
to ensure long life and corrosion resistance.
• Temperature and Pressure Relief Valve
AGA/ASME rated and factory installed.
• Electrical Connections
pre-wired, accessible control box with multiple
knock-outs on side in size selections to match the
National Electric Code. Sizes range from 1/2" to 2".
A grounding screw is provided for attaching an
equipment grounding conductor.
• Single Panel Control Box
with hinged door, provides immediate access to all
electrical components and elements.
• Terminal Block
all models are equipped with U.L. listed terminal
blocks for simplicity of installation. The terminal
block will accept either copper or aluminum field
connect wire.
• 120 Volt Control Circuit
all units are furnished with a fused 120 volt control
circuit. This circuit is created by an internal multi-tap
transformer of unique design that has four (4) taps
for the primary voltages, 208, 240, 277 and 480.
• Water Connections
hot outlet and cold inlet are 3/4" NPT plastic lined
nipples which prevent excessive turbulence of
heated water and results in optimum tank draw.
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