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THREE-PHASE THERMOSTATIC
DE-IONIZED WATER HEATER
MODELS : EX320TDI, EX240TDI, EX180TDI.
INSTALLATION GUIDE AND OWNERS MANUAL
BEFORE ATTEMPTING THE INSTALLATION OF THE UNIT OR
MAKING ANY ADJUSTMENTS TO THIS UNIT, ALWAYS BE SURE
THAT THE MAIN CIRCUIT BREAKER IS "OFF" TO PREVENT THE
DANGER OF SERIOUS ELECTRIC SHOCK.
FAILURE TO GROUND THE SYSTEM MAY RESULT IN DEATH OR
SERIOUS INJURY.
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.
INSTALLER / CONSUMER RESPONSIBILITIES
PLEASE TAKE THE TIME TO READ NOT ONLY THIS MANUAL BUT
ALSO THE WARRANTY CARD ENCLOSED. WARRANTY OF THIS
WATER HEATER WILL DEPEND ON CORRECT INSTALLATION AND
OPERATION. . THE WARRANTY SHALL BE VOID IF THE DESIGN OR
STRUCTURE OF THE WATER HEATER HAS BEEN ALTERED IN ANY
WAY WHATSOEVER. THE MANUFACTURER OF THIS WATER HEATER
WILL NOT BE LIABLE FOR ANY DAMAGES DUE TO 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 AT:
EemaX Inc., 353 Christian St., Oxford, CT 06478
Tel: 203-267-7890, Fax: 203-267-7975
ema
E
(480/277 Volts only)
WARNING
1-800-543-6163
TM
X
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Related Manuals for EemaX EX320TDI
Summary of Contents for EemaX EX320TDI
- Page 1 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 AT: 1-800-543-6163 EemaX Inc., 353 Christian St., Oxford, CT 06478 Tel: 203-267-7890, Fax: 203-267-7975...
- Page 2 GENERAL The Eemax “Three Phase Thermostatic DI” water heater is specifically designed to take in cold or pre-heated De-ionized 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.
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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- 1) The unit is supplied with compression fittings for 1/2” pipe, USE THESE; 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: 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 6 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 7 the desired temperature and that all three 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 8: Troubleshooting
TROUBLESHOOTING SYMPTOM: NO HEAT INDICATOR LIGHT OFF 1) ELECTRIC SUPPLY IS OFF Turn on the main circuit breaker. 2) NO OR LOW WATER FLOW Ensure that the minimum flow rate to switch on your heater is met, for this figure refer to the front cover of this manual. Also check that the inlet filter screen is clear from any debris. -
Page 9: Replacement Parts Diagram
REPLACEMENT PARTS DIAGRAM HEATER CORE ASSEMBLY FOR EX180 T3 DI PART# EX1280 DI FOR EX240 T3 DI PART# EX960 FOR EX320 T3 DI PART# EX720 TRIAC PART# EX18 L1 L2 L3 THERMOSTATIC For supply connections use 8 AWG or larger wires suitable for at least 75 c (167F) PART# EX100 DI THIS APPLIANCE MUST BE GROUNDED This heater is only suitable for 4 wire...
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