Eemax EX230T2T Installation Manual
EEMAX “THREE MODULE, SINGLE PHASE”
WATER HEATERS
ELECTRIC INSTANTANEOUS WATER HEATER
INST ALLA TION GUIDE AND OWNERS MANUAL
MODELS COVERED:- EX230T2T – 208/240V
EX280T2T – 208/240 V
SPECIAL_________,______V
READ THE GENERAL SAFETY SECTION BEGINNING ON T H E INSIDE C OVER
AND THEN THIS ENTIRE MANUAL BEFORE INSTALLING OR OPERATING THIS
WATER HEATER. IF YOU DON’T FOLLOW THE SAFETY RULES, THE UNIT WILL
NOT OPERATE PROPERLY AND IT COULD CAUSE DEATH, SERIOUS BODILY
INJURY AND/OR PROPERTY DAMAGE. READ ALSO THE ENCLOSED
WARRANTY CARD. WARRANTY OF THIS WATER HEATER WILL DEPEND ON
PROPER INSTALLATION AND OPERATION. T H E WARRANTY SHALL BE VOID IF
THE DESIGN HAS BEEN ALTERED IN ANY WAY WHATSOEVER. THE
MANUFACTURER OF THIS HEATER WI LL NOT BE LIABLE FOR ANY DAMAGES
BECAUSE OF FAILURE TO COMPLY WITH THE INSTALLATION AND
OPERATING INSTRUCTIONS OUTLINED ON THE FOLLOWING PAGES.
THE INSTALLA TION MUST CONFORM WITH THE INSTRUCTIONS IN THIS
MANUAL; ELECTRIC COMPANY RULES; AND THE LOCAL CODES, OR IN
THE ABSENCE OF LOCAL CODES, WITH THE LATEST EDITION OF THE
NATIONAL ELECTRICAL CODE. THIS PUBLICATION IS AVAILABLE FROM
YOUR LOCAL GOVERNMENT OR PUBLIC LIBRARY OR ELECTRIC COMPANY
OR BY WRITING UNDERWRITERS LABORATORIES, 333 PFINGSTEN ROAD
NORTHBROOK, IL, 60062.
WARNING
IF YOU REQUIRE ANY HELP OR HAVE ANY QUESTIONS RELATING TO THE
INSTALLATION OR PERFOR M AN C E OF THIS HEATER, PLEASE CALL OUR
TECHNICAL SERVICE DEP AR TMENT T OLLFREE : 1-800-543-6163.
HAVE THE INFORMATION LISTED BELOW BEFORE CALLING :
SERIAL NO. MODEL NO. INSTALLATION DATE
1 REV 8/08
GENERAL SAFETY
The “Eemax three Module, Single Phase” heater is specifically desig ned to take in cold water
and heat it to temperatures suitable for normal domesti c usa ge up to a maximum of 140 F(60
C). To obtain optimum performance and energy savi ngs, the unit should be located as
near as possible to the point of use. “Thermostatic” models indicated by the lett er s “ T2T or
T3” after the model number , these model s and onl y these, ca n be fed with pre-heated w ater
and be used to boost temperature
The unit is supplied with 3/4” NPT pipe connecti on s. Under no circumstances use a blow
torch on pipe which is connected to the heater (serious damage to the electronic flow
switch will result). Carefully use Teflon tape, ensuring no debris enter the heater. Do not
use pipe dope.
Also, ensure t hat the pi pes are clear of installation debris before fitting the heater.
THIS HEATER MUST HAVE THREE DEDICATED INDEPENDENT
208/240V CIRCUITS, USING CORRECTLY RATED WIRES AND
CIRCUIT BREAKERS.
WARNING
FAILURE TO GROUND THE SYSTEM MAY RESULT IN DEATH OR SERIOUS INJURY.
WARNING
IMPROPER INSTALLA TION, ADJUSTMENT , AL TERA TION, SER VICE OR MAINTENANCE
CAN CAUSE DEATH, SERIOUS BODILY INJURY OR PROPERTY DAMAGE. REFER TO
THIS MANUAL FOR ASSISTANCE OR CONSULT THE LOCAL ELECTRIC UTILITY FOR
FURTHER INFORMA TION.
WARNING
WATER HEATERS EQUIPPED FOR ONE VOLTAGE ONLY: THIS WATER HEATER MAY BE
EQUIPPED FOR ONE VOLTAGE TYPE ONLY: CHECK THE RATING PLATE ON THE FRONT
COVER OF UNIT FOR THE CORRECT VOLTAGE. DO NOT USE THIS WATER HEATER WITH
ANY OTHER VOLTAGE OTHER THAN THE ONE SHOWN ON THE MODEL RA TING PLATE.
FAILURE T O USE THE CORRECT VOLT AGE CAN CAUSE PROBLEMS WHICH CAN RESULT
IN DEA TH, SERIOUS BODIL Y INJURY, OR PROPERTY DAMAGE. IF YOU HA VE ANY
QUESTIONS OR DOUBTS CONSUL T EEMAX OR YOUR ELECTRIC COMPANY.
WARNING
HAZARD OF ELECTRICAL SHOCK! BEFORE REMOVING THE COVER OR SERVICING THE
WA TER HEATER, MAKE SURE THE ELECTRICAL SUPPLY T O THE WATER HEATER IS
TURNED “OFF”. FAILURE TO DO THIS COULD RESULT IN DEATH, SERIOUS BODILY INJURY,
OR PROPERTY DAMAGE.
2
I. MOUNTING THE UNIT
1) The unit should be mounted as close to the point of use as possible.
Do not install the heater above a faucet or “point of use” because the siphoni ng ef fect may
drain the heater which can cause premature element burn out.
2) This unit must onl y be mounted in a vertical posit ion with the water fittings located at the
bottom of the unit. Mounting ot her than in the vertical position WILL cause element burn
out and cause permanent damage to the water heater.
3) The cold water inlet is on the right hand side and the hot water outlet is on the left hand side.
Under NO circumstances can these be r ever sed.
4) Leave a minimum of 8” above the unit for easy replacement of the element.
5) The heater should be fixed to the wall using all four mounting holes of the backplate. Unit
weight is approximatel y 15 lbs. Use an appropriate fastener for this weight. For the unit to
be mounted against hol l ow walls, suggest using steel wall anchors, w i th the cor r ect grip
range and #6-32 screw size minimum.
NOTE: The heater should be i nst all ed below the level of all hot water outlets serviced by this
heater.
NOTE: PRESSURE AND TEMPERA TURE RELIEF V AL VE
These units are not req uir ed by UL to have a Pressur e and Temperature Rel i ef
Valve (PTRV). You should check wi th local codes to find out if one is required i n your
area. If local codes require the use of a temperature and pressure r elief v alv e it
should be installed on the outlet hot water pipe before the outlet bal l val ve.
Figure 2
Showers and the whole house, cabin or condo
Lavatory
Shower
Hot outlet
Kitchen
Eemax
Cold inlet
MODEL: EX230T2T
Output: 22.5 kW @ 240 volts
17 kW @ 208 volts
MODEL: EX280T2T
Output: 28kW @ 240 vol ts
21kW @ 208 volts
About 0.85-2.5 GPM at show ering temperature.
Best used when operating one outlet at a time.
3
MOUNTING
HOLES
MINIMUM - 8” CLEARAN CE ABOVE UNIT
L1 L2
C/B #2
serial #
LUG
TERMINALS
AT RELAYS
ELECTRICAL
HOOK-UP
208/240 V
GROUND
LUGS
L1 L2
C/B #1
L1 L2
C/B #3
To 3 Independent
circuit breakers
Figure 1A
4
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