Eemax EX012240T Instructions / Assembly
Contents
1. Ensure compression fittings are tighten to 18FT LB Fully open both inlet and outlet ball valves Run all hot water outlets fed by this heater one at a time for a minute or two until the water flow is continuous free from gulping and from all visible air pockets Fig 1 A Inlet filter Hot outlet Cold inlet compression compression fitting fitting DO NOT DO NOT SOLDER SOLDER 1 1 2 ALL PLUMBING MUST BE COMPLETED BEFORE YOU PROCEED WITH THE ELECTRICAL HOOK UP TEST THE INSTALLATION FOR LEAKS BEFORE CONNECTING THE ELECTRICAL SUPPLY 3 ELECTRICAL HOOK UP WARNING BEFORE BEGINNING ANY WORK ON THE INSTALLATION BE SURE THAT THE BREAKER IS OFF TO AVOID ANY DANGER OF SHOCK Your Eemax heater must have its own independent circuit using insulated UL listed 3 wire cable of the appropriate size suitable for use up to 75 C protected by the correctly rated circuit breaker RATINGS OF EX UNITS EX3012T EX3512T EX85T EX55T EX65T EX7 5T EX95T EX60T EX80T EX90T EX100T EX8208T The heaters are rated at 240 Volts If the actual voltage supplied is lower there will be a proportional drop in output 1 Wire entry into the unit should be made through the lower right hand corner of the backplate via one of the two knockout holes provided 2 The mains wires should be connected to the slots in the terminal block marked L1 and L2 or N2. Replacement Parts for Thermostatic Units TRIAC PART EX 18 ELEMENT CARTRIDGE HEATER MODEL ORDER REF CARTRIDGE REF Fema INSTANT COMFORT ENDLESS SAVINGS Xx Thermostatic ELECTRIC INSTANTANEOUS WATER HEATER INSTALLATION GUIDE AND OWNERS MANUAL WARNING BEFORE ATTEMPTING INSTALLATION OF THIS UNIT OR MAKING ANY ADJUSTMENTS TO THE UNIT ALWAYS BE SURE CIRCUIT BREAKER IS OFF 0 TO PREVENT DANGER OF SERIOUS ELECTRIC SHOCK mi ee ase FAILURE TO GROUND THE SYSTEM MAY RESULT IN SERIOUS INJURY OR DEATH EX3512T EX410 EX 55T EX 1050 65T EX 890 INSTALLER CONSUMER RESPONSIBILITIES KG ROUND EX 75T EX 770 ee NO WIRE aa READ THIS MANUAL CAREFULLY BEFORE ATTEMPTING TO INSTALL OR aa OPERATE THIS WATER HEATER IF THE SAFETY RULES NOT FOLLOWED 0T Soe THE UNIT WILL NOT OPERATE PROPERLY AND IT COULD CAUSE DEATH EX 90T EX 850 SERIOUS BODILY INJURY AND OR PROPERTY DAMAGE 100T EX 760 WARRANTY OF THIS WATERHEATER WILL DEPEND ON PROPER INSTALLATION AND OPERATION THE WARRANTY WILL BE VOID IF THE DESIGN HAS BEEN ALTERED IN ANY WAY WHATSOEVER THE MANUFACTURER OF THIS HEATER WILL NOT BE LIABLE FOR ANY DAMAGES BECAUSE OF FAILURE TO COMPLY WITH THE INSTALLATION AND OPERATING INSTRUCTIONS OUTLINED ON THE FOLLOWING PAGES CONTROL BOARD COMPRESSION EX100 240 for 240v 208v SLEEVE EX100 277 for 277V THE INSTALLA
3. TION MUST CONFORM WITH THE INSTRUCTIONS IN THIS MANUAL AND LOCAL CODES OR INTHE ABSENCE OF LOCAL CODES WITH THE LATEST EDITION OF THE NATIONAL ELECTRICAL CODE THIS PUBLICATION IS AVAILABLE FROM YOUR LOCAL GOVERNMENT ELECTRIC CO PUBLIC LIBRARY OR BY catia cana WRITING UNDERWRITERS LABORATORIES 333 PFINGSTEN RD PART EX17 NORTHBROOK IL 60062 IF YOU REQUIRE HELP OR HAVE ANY QUESTIONS RELATING TO THE INSTALLATION OR PERFORMANCE OF THIS HEATER PLEASE CALL OUR TECHNICAL SERVICE DEPARTMENT TOLL FREE 1 800 543 6163 HAVE THE INFORMATION LISTED BELOW BEFORE CALLING MODEL NO SERIAL NO INSTALLATION DATE Eemax Inc 353 Christian St Oxford CT 06478 TEL 1 800 543 6163 203 267 7890 FAX 203 267 7975 e mail eemaxinc aol com GENERAL The Eemax Thermostatic heater is specifically designed to take in cold or preheated water and heat it to temperatures suitable for the normal domestic usage up to a maximum of 140 F To obtain optimum performance and energy savings the unit should be located as close as possible to the point of use The unit is supplied with compression rings and nuts suitable for direct coupling to 1 2 copper or plastic piping Do not use additional screwed fittings or pipe dope Doing so will void the warranty DO NOT SOLDER PIPES WHILE THE UNIT IS INSTALLED serious damage to the electronic flow switch will result This heater must have its own independent circuit using a correctly rated breaker and w
4. The ground lead must be connected to the slot marked Failure to ground the system may result in death or serious injury WARNING This water heater must not be switched if there is a possibility that the water in the heater is frozen FIGURE 2 lt 4 1 4 inches gt MOUNTING HOLES 8 inches APPROPRIATE GAUGE 3 LEAD COPPER WIRE WIRE ENTRY EITHER THROUGH REAR OR BOTTOM KNOCK OUTS TO APPROPRIATE SIZE BREAKER OUTLET VALVE B ADJUST TO GIVE INLET VALVE A APPROXIMATE FULLY OPEN DESIRED TEMP
5. ires suitable for at least 75 C operation Failure to ground this system may result in death or serious injury 1 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 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 Under NO circumstances can these be reversed 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 the four mounting holes at each corner of the backplate NOTE The heater should be installed below the level of all hot water outlets serviced by this heater NOTE PRESSURE RELIEF DEVICE This unit is not required by UL to have a Pressure and Temperature safety relief valve PTRV You should check with local codes to find out if one is required in your area If local codes require the use of temperature and pressure relief valve it should be installed on the outlet hot water pipe before the outlet ball valve TROUBLE SHOOTING SYMPTOM NO HEAT INDICATOR LIGHT OFF 1 ELECTRIC SUPPLY IS OFF Turn on the main breaker 2 Check the ECO red re set button if tripped please call tech support 3 NO OR LOW WATER FLOW Ensure that the minimum flow rate to switch on your hea
6. l the water flow is continuous and free from gulping and from visible air pockets 1 With inlet and outlet BALL VALVES fully open turn on all hot water outlets 2 Run for 5 minutes turning faucet and repeatedly 3 Switch on electric supply at breaker 4 The power indicator light should now come on with water flowing see Fig 1 NOTE At this point water temperature may not be very hot 5 Using the OUTLET BALL VALVE slowly reduce water flow until desired temperature is achieved at hot water outlet This should be 120 to 140 F without mixing cold water 6 Now turn the temperature adjustment screw counter clockwise about 1 8 of a turn wait for 10 15 seconds and see if the indicator light begins to pulse If it does not turn another 1 8 of a turn wait and again see if lamp begins to pulse Repeat until the light is pulsing regularly which indicates the temperature has stabilized at the set temperature Check that the temperature is what you require NOTE The water temperature is proportional to the flow through the heater The lower the flow the higher the temperature and vice versa 6 Check performance of flow switch by opening and closing outlet valve a few times The power indicator light should be on ONLY when water is flowing through the unit For expected temperature rise at various rates of flow see chart NOTE An EX95T 9 5 kW unit at 240 V will deliver 1 gallon per minute at 65 F tempe
7. rature rise For example with incoming water temperature at 45 F the unit will produce 1 gallon per minute at 110 F 7 It is possible that drawing off cold water at comparatively high rates of flow elsewhere in the building at the same time that the heater is working could cause premature element failure Care should be taken not to starve the unit of cold water To prevent this from happening open fully the main valve on the cold supply to the building and throttle back the control valves to the other cold water outlets 2 PLUMBING HOOK UP 1 The unit is supplied with compression fittings USE THESE DO NOT USE THREADED PIPE FITTINGS DO NOT USE PIPE DOPE OR TEFLON TAPE ON THIS INSTALLATION Ensure the inlet filter supplied with this unit is in place 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 NOTE Run water through the supply pipe to remove all debris from the pipe before connecting the heater Failure to do so could damage the flow switch 3 Install isolating valves full flow ball valve type on both inlet and outlet pipes This allows unit to be isolated for maintenance purposes Fig 2 4 When all plumbing is complete fully check the system for water leaks at all plumbing connections If leak is present take corrective action If leak is at the compression fitting slowly tighten compression nut until it stops
8. ter is met EX100T 95T 90T 8208T Models minimum flow rate 0 75 gpm EX80T 75T 65T Models minimum flow rate 0 6 gpm EX60T 55T 2412T 3012T 3512T Models minimum flow rate 0 5 gpm Also check that the inlet filter screen is clear from any debris This is located in the brass inlet boss 4 WATER CONNECTIONS ARE REVERSED Cold water inlet right side hot water outlet left side f 5 ELEMENT BURNED OUT TURN OFF THE breaker Using an ohmmeter test the resistance of the heating element across the two threaded termination rods on top of the element The resistance reading should be under 10 ohms If the resistance is much greater than this value call Eemax for a replacement element SYMPTOM NO HEAT OR LOW TEMPERATURE WITH INDICATOR LIGHT ON 1 WATER FLOW TOO HIGH Reduce the water flow by using an outlet ball valve See page 3 for temperature rise at various flow rates 2 INCORRECT POWER SUPPLY Make sure that the unit is connected to the voltage supply specified on the rating label on the the front cover of the unit and no other 3 ELEMENT BURNED OUT TURN OFF THE breaker Repeat the steps from paragraph 4 above 4 COMMISSIONING YOUR HEATER IMPORTANT Before switching on the power at the breaker 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 unti
Download Pdf Manuals
Related Search