Rheem Water Heater 6 KW THRU 54 KW User Guide

®
C O M M E R C I A L  
W A T E R H E A T E R S  
IMMERSION ELECTRIC TANK-TYPE WATER HEATERS  
6 KW THRU 54 KW  
RHEEM-RUUD Electric Commercial Water Heaters are  
suitable for general commercial hot water applications  
and are also ideal for point-of-use installations, eliminat-  
ing costly temperature loss in long piping runs. A single  
50, 85 AND  
unit can be used as a booster heater to satisfy the hot  
120 GALLON  
water requirements of commercial dishwashers. A single  
CAPACITIES  
temperature storage unit, when installed with a mixing  
valve, will supply two temperatures in food service  
208, 240  
establishments. For larger volume hot water  
AND 600  
requirements, 2, 3 or 4 units can be parallel  
VOLTAGES  
manifolded, using optional factory kits.  
Construction Features:  
EG  
IMMERSION  
THERMOSTAT  
MODELS  
SYSTEM SENTINEL – An element diagnostic  
panel, utilizing light emitting diodes (L.E.D.) correspond-  
ing to the number and location of each heating element  
are energized when the electric elements are operating.  
An unlit L.E.D. pinpoints the exact location of a non-  
functioning element, making element operation  
diagnosis simple and positive..  
R-FOAM® INSULATION – A rigid ployurethane  
foam insulation provides superior insulating qualities,  
improves efficiency. Exceeds R-16 insulation factor. Our  
patented process of injecting R-Foam directly into the  
insulating cavity adds additional durability and toughness  
to the heater jacket. Fiberglass insulation guards against  
heat loss in the heating element compartment, and  
provides easy service access.  
LIFEGUARD HEATING ELEMENTS – Separate  
screw-in type elements feature a stainless steel outer  
sheath of INCO-LOY® 800, 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 efficient transfer of heat, and are easily  
WATER CONNECTIONS – Hot outlet and cold inlet  
are 1-1/2" NPS brass nipples which prevent excessive  
turbulence of heating water and result in optimum tank  
draw.  
SINGLE PANEL CONTROL BOX – With hinged  
door, provides immediate access to all electrical  
components and elements.  
changed by simply screwing new ones into the tank.  
GLASS LINED STORAGE TANK – Heavy duty  
steel tank protects with double coating of exclusive  
Rheemglas to resist the corrosive action of hot water.  
Designed for 150 PSI working pressure. Each tank is  
supplied with factory installed anode rods for cathodic  
protection.  
TERMINAL BLOCK – All models are equipped with  
CSA listed terminal blocks for simplicity of installation.  
This new terminal block will accept either copper or  
aluminum field connect wire.  
Certifications and Ratings:  
EFFICIENCY – These units have been tested according to procedures specified by CSA and meet or exceed the energy  
efficiency requirements of ASHRAE Standard 90.1b 1992 requirements for energy conservation.  
 
DIMENSIONAL INFORMATION  
All dimensions shown in English and Metric  
APPROX.  
SHIPPING  
MODEL  
NUMBER  
UNITS  
inches  
mm  
A B C D E  
WEIGHT (LBS.)  
43-5/8  
26-1/4  
36-1/4  
32  
813  
17-1/4  
270 lbs.  
122 kgs.  
EG50  
1108  
667  
920  
438  
inches  
mm  
57-11/16  
1465  
28-1/4  
718  
49-1/2  
1258  
34  
864  
18-1/4  
464  
350 lbs.  
159 kgs.  
EG85  
inches  
mm  
67-5/8  
1718  
30-1/4  
768  
58-3/4  
1493  
36  
914  
19-1/4  
489  
430 lbs.  
185 kgs.  
EG120  
SYSTEM SENTINELAll 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 operat-  
ing. An unlit L.E.D. pinpoints the exact  
location of a non-functioning element,  
making element operation diagnosis  
simple and positive.  
D
11/2  
"
HOT OUTLET  
NIPPLE  
B
E
3
/
4"  
T&P  
SYSTEM SENTINEL  
The minimum distance to provide  
adequate clearance for protection of  
combustible material is 0 inches from  
jacket and 18 inches from access door.  
However, additional clearance for  
accessibility to permit inspection and  
servicing such as removing heating  
elements or checking controls must be  
provided. All models are approved for  
installation on combustible flooring.  
A
C
AUTOMATIC  
361/8  
"
TEMPERATURE  
CONTROL  
(917mm)  
(IMMERSION ONLY)  
11/2  
"
COLD INLET  
NIPPLE  
43/4  
"
5"  
(127mm)  
(121mm)  
Additional Construction Features:  
240 VOLT CONTROL CIRCUIT – all units are  
furnished with a 240 volt control circuit. All controls  
(thermostats, high temperature limit, etc.) are operated  
off of this basic 240 volt control circuit.  
ELECTRICAL CONNECTIONS – Prewired,  
accessible control box with multiple knock-outs on top  
and side in size selections to match the Canadian  
Electrical Code. Sizes range from 1/2" to 2".  
A grounding screw is provided for attaching an  
equipment grounding conductor.  
Optional Equipment:  
ELEMENT FUSING – In addition to all the above  
construction features, on immersion thermostat models  
9 KW through 54 KW there is internal fusing available  
that protects all elements, magnetic contactors,  
thermostats and internal wiring circuits. On immersion  
thermostat models 24 KW and above, additional  
thermostats are provided so that the maximum element  
input will not exceed 18 KW per step. Temperature  
differential between steps can be set as desired. On 24  
through 36 KW units, two thermostats are provided and  
on the 45 and 54 KW units, three thermostats are  
provided.  
STANDARD EQUIPMENT ASME T&P  
VALVE – This is a double safety valve that relieves  
when temperature or pressure becomes excessive.  
AUTOMATIC TEMPERATURE CONTROL –  
Water temperature settings from OFF and ranging from  
90°F up to 180°F (32°C to 82°C) are maintained by  
immersion thermostat that insures instant shut off at  
the selected temperature for safety and economy of  
operation. One thermostat is supplied as standard. For  
element steps, up to two additional thermostats can  
be supplied – see optional controls. Over temperature  
protection is provided by an immersed high temperature  
limit control, factory set at 200°F (93°C).  
For optional fusing, suffix “F” should be added to the  
model number. Ex. EG120CF-45KW.  
MAGNETIC CONTACTORS – All models  
equipped with contactors, factory wired for simplicity of  
installation and economical maintenance throughout life  
of the unit.  
 
RHEEM-RUUD COMMERCIAL  
ELECTRIC TANK-TYPE WATER HEATERS  
SAMPLE SPECIFICATIONS (for trade reference only)  
Water heater(s) shall be Rheemglas Commercial Electric Model ________________, having an input of  
__________ KW and a recovery rate of _____________ GPH at a _______°F temperature rise, and equipped for  
________volt, ________phase operation. Tank shall be lined with a double coating of exclusive Rheemglas high  
temperature glass formula and furnished with rigidly supported anode rods. Tank shall be designed for 150 PSI  
working pressure. Tank shall be completely insulated with R-Foam® insulation having a minimum insulating factor  
of R-16. Water heater shall be equipped with immersion “screw-in” elements, immersion thermostat, magnetic  
contactors, and manual reset high temperature limit control. Large terminal block that accepts either CU or AL  
field connect wire, plus grounding screw for attaching an equipment grounding conductor. Water heater shall  
include a factory installed System Sentinel element diagnostic panel utilizing light emitting diodes. Each L.E.D.  
will correspond to the number and location of the heating element and monitor their on-off function.  
Optional: Thermostats for staging input into maximum element step that will not exceed 18 KW per step.  
(See table for number of thermostats available.  
THREE YEAR LIMITED WARRANTY  
This product features a three year limited warranty against tank leaks. Please refer to Commercial  
Warranty Information brochure for complete warranty information.  
C O M M E R C I A L  
W A T E R H E A T E R S  
In keeping with its policy of continuous progress and product improvement, Rheem-Ruud reserves the right to make changes without notice.  
EST. 1947  
Rheem Manufacturing Company • Water Heater Division  
Rheem Canada Ltd./Ltée,128 Barton Street West, Hamilton, Ontario L8N 3P3  
RHEEM  
CANADA  
Customer Service  
Warranty  
1-800-268-6966  
1-800-263-8342  
LTD/LTÉE  
THANKS TO OUR EMPLOYEES  
WE ARE  
ISO9002  
REGISTERED  
FORM NO. RR102CE-1CAN Rev. 2  
03/05 WP  
 

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