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THREE PHASE THERMOSTATIC
ELECTRIC INSTANTANEOUS WATER HEATER
MODELS: EX480T12, EX720T12, EX960T12,
EX1080T12, EX1260T12 480Y/277V, 3Ø4W
INSTALLATION GUIDE AND OWNERS MANUAL
BEFORE ATTEMPTING INSTALLATION OF THIS UNIT OR MAKING ANY ADJUSTMENTS
TO THE UNIT ALWAYS BE SURE MAIN CIRCUIT BREAKER IS OFF TO PREVENT DANGER
PLEASE TAKE THE TIME TO READ NOT ONLY THIS MANUAL BUT ALSO THE
WARRANTY CARD ENCLOSED. WARRANTY OF THIS HEATER WILL DEPEND ON PROPER
INSTALLATION, OPERATION, AND REQUIRED MAINTENANCE. THE WARRANTY SHALL BE
VOID IF THE DESIGN ORSTRUCTURE OF THE WATER HEATER HAS BEEN ALTERED IN
ANY WAY WHATSOEVER. THE MANUFACTURER OF THIS WATER HEATER WILL NOT BE
LIABLE FOR ANY DAMAGES BECAUSE OF FAILURE TO COMPLY WITH THE INSTALLATION
AND OPERATING INSTRUCTIONS OUTLINED ON THE FOLLOWING PAGES.
IF YOU REQUIRE ANY HELP OR HAVE ANY QUESTIONS RELATING TO THE
INSTALLATION OR PERFORMANCE OF THIS HEATER, PLEASE CALL OUR TECHNICAL
SERVICE DEPARTMENT TOLL-FREE:
HAVE THE INFORMATION LISTED BELOW BEFORE BEFORE CALLING.
MODEL :
SERIAL NO :
INSTALLATION DATE :
ema
E
OF SERIOUS ELECTRIC SHOCK.
INSTALLER/ CONSUMER RESPONSIBILITIES
1-800-543-6163
Eemax Inc., 353 Christian Street, Oxford, CT 06468
X
WARNING
ELEMENT RESISTANCE:
SWITCH ON FLOW RATE:
OPERATING TEMPERATURE
MIN
1
OHMS
GPM
MAX
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Related Manuals for EemaX EX1080T12
Summary of Contents for EemaX EX1080T12
- Page 1 INSTALLATION OR PERFORMANCE OF THIS HEATER, PLEASE CALL OUR TECHNICAL SERVICE DEPARTMENT TOLL-FREE: 1-800-543-6163 HAVE THE INFORMATION LISTED BELOW BEFORE BEFORE CALLING. MODEL : ELEMENT RESISTANCE: OHMS SERIAL NO : SWITCH ON FLOW RATE: OPERATING TEMPERATURE INSTALLATION DATE : Eemax Inc., 353 Christian Street, Oxford, CT 06468...
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Page 2: General Safety
GENERAL SAFETY The Eemax “Three Phase Thermostatic” water heater is specifically designed to take in cold or pre-heated water and heat it to temperatures suitable for commercial washing, sluicing or processing up to a maximum temperature of 180 F (82 deg. C). To obtain optimum performance and energy savings, the unit should be located as near as possible to the point of use. -
Page 3: Mounting The Unit
MOUNTING THE UNIT 1) The unit should be mounted as close to the point of use as possible. 2) This unit must only be mounted in the vertical position with the water fittings located at the bottom of the unit. Mounting other than in the vertical position WILL cause element burn out. 3) The cold water inlet is on the right hand side and the hot water outlet is on the left hand side. -
Page 4: Plumbing Hook-Up
PLUMBING HOOK-UP 1) The unit is supplied with NPTfittings., USE THESE; DO NOT USE PIPE DOPE AND DO NOT SOLDER PIPE TO THE INLET OR OUTLET. 2) Take care to ensure that the pipes are correctly aligned with the inlet and outlet bosses in order to avoid excessive stress on the heater body molding. - Page 5 MINIMUM - 8” CLEARANCE ABOVE UNIT MAIN TERMINAL BLOCK ELECTRICAL HOOK-UP 480Y/277V 3Ø4W serial # OUTLET INLET Figure 1A...
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Page 6: Electrical Hook-Up
ELECTRICAL HOOK-UP WARNING HAZARD OF ELECTRICAL SHOCK! BEFORE BEGINNING ANY WORK ON THE INSTALLATION, MAKE SURE THE ELECTRICAL SUPPLY TO THE HEATER IS TURNED “OFF”. FAILURE TO DO THIS COULD RESULT IN DEATH, SERIOUS BODILY INJURY, OR PROPERTY DAMAGE. WARNING WATER HEATERS EQUIPPED FOR ONE VOLTAGE ONLY: CHECK THE RATING PLATE ON THE FRONT OF THE UNIT. - Page 7 480Y/277V EX480T12 1-31/32 EX720T12 2-15/32 EX960T12 2-15/32 EX1080T12 10.5 EX1260T12 3-5/8 IMPORTANT BEFORE SWITCHING “ON” THE POWER AT THE MAIN CIRCUIT BREAKER PANEL MAKE SURE THAT THE HOT WATER CIRCUIT IS FREE OF AIR POCKETS OR PREMATURE FAILURE OF THE ELEMENT WILL OCCUR. TO DO THIS OPEN ALL HOT WATER OUTLETS ONE AT A TIME FOR A MINUTE OR TWO UNTIL THE WATER FLOW IS CONTINUOUS AND FREE FROM “GULPING”...
- Page 8 COMMISSIONING YOUR HEATER IMPORTANT Before switching “on” the power at the main circuit breaker panel make sure that the hot water circuit is free of air pockets or premature failure of the heating element will occur. To do this open all hot water faucets one at a time for a minute or two until the water flow is continuous and free from “gulping”...
- Page 9 the desired temperature and that all twelve elements are pulsing equally. The thermostats are now set and the water temperature will always be the same when the lights are pulsing. 7) Check performance of flow switch by opening and closing the faucet of the outlet valve a few times.
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Page 10: Troubleshooting
See the front cover of this manual for the correct value, also located on page 12. If the resistance is much greater than this value, call your supplier or Eemax for a replacement element. 5) ECO TRIPPED (High Limit Thermostat) TURN OFF MAIN CIRCUIT BREAKER! Reset by pushing in red button on each heater module (140 deg f units only). - Page 11 Q4) Inspection of 12 fuses (50 amp each) Class G Example: Eemax p/n EX198, Ferraz AG50 or Bussman SC50 Q5) Inspection of 12 heater elements (see page 10 for element ohms) Q5) Inspection of coarse inlet filter screen is clear from any debris.
- Page 12 7 - Wire 8 - Wire FERRAZ EX 100G EX 284 AG50 FROM MAIN TERMINAL BLOCK 6 - Wire EX 100G 50 AMP Contactor 4 POLE CONTACTOR EX 257B EEMAX INC., 353 Christian Street, Oxford, CT 06478 Tel: (203) 267-7890...
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