Eccotemp EM-2.5 Use and Care Manual
Contents
1. ECCOTEMP THE FUTURE OF EFFICIENCY ECCOTEMP EM 2 5 EM 4 0 EM 6 0 Electric Mini Tank Water Heaters Installation and Operating Instruction Manual t Product Support Shop Online 9 Store Locator VE 3D Eccotemp com help desk amm Eccotemp com products Eccotemp com locator 6 356 355 1992 4 support eccotemp com You Industrial Road Summerville SC 29483 f ne Table of Contents Important Safety Instructions Technical Data General Information Technical Description Installation Instructions Plumbing Connections Temperature amp Pressure Relief Valve Filling The Water Heater Electrical Connections Instructions For Use Maintenance Instructions Troubleshooting Schematic Disassembly amp Parts List Warranty IMPORTANT SAFETY INSTRUCTIONS WARNING When using electrical appliances safety precautions to reduce the risk of fire electric shock or injury to persons should be followed including 1 READ ALL INSTRUCTIONS BEFORE USING THIS WATER HEATER 2 This water heater must be grounded Connect only to properly srounded outlet See GROUNDING INSTRUCTIONS found on page 10 3 Install or locate this water heater only in accordance with the provided installation instructions 4 Usethis water heater only for its intended use as described in this manual 5 Donotuse an extension cord set with this water heater If no receptacle is available adjacent to th2. 2 9x18 Cross Recessed Countersunk Screw M4x6 34 Cross Self Tapping Screw 2 9x16 Screw Cover Thermostat Buttom 37 Connect Wire Eccotemp Mini Tank Water Heaters EM 2 5 4 0 EM 6 D LIMITED WARRANTY Subject to the terms and conditions set forth in this limited warrantv each Eccotemp Mini Tank Water Heater is warranted to the original owner Owner against i mechanical or electrical failure of component solely due to defects in materials or Manufacturer s workmanship for a period of two vears from the date of original purchase Leaks solely due to defects in materials Manufacturer s workmanship for the later of x five years from the date of original purchase or y the date of Owner s occupancy of a new dwelling in which the Eccotemp Mini Tank Water Heater is installed However if Owner cannot document the original date of purchase with the original sales receipt then the limited warranty period begins on the date the Eccotemp Mini Tank Water Heater was manufactured As Owner s sole and exclusive remedy Manufacturer shall at Manufacturer s sole election either repair or replace the Eccotemp Mini Tank Water Heater or the defective portion of such product Manufacturer is not liable for any costs incurred by Owner including without limitation the cost of any labor Manufacturer s maximum liability is Limited to the value of the water heater EXCLUSIONS AND LIMITATIONS OF
3. HEATER CAUTION Before plugging the water heater electric cord into an outlet be sure that the system is completely charged with water and ALL AIR IS REMOVED Before connecting the power fill the tank and system with water and check for leaks To be sure that all air is out of the water system open the hot water faucets on your fixtures until constant water flows from them Otherwise any air remaining in the tank will cause the water heater element to self destruct Filling the water heater Open the hot water faucet Open the cold water supply valve 1 2 3 When continuous water flows out of the faucet the tank is filled 4 Close the hot water faucet 5 Check entire system for leaks ELECTRICAL CONNECTIONS To be certain that all of the air is out of the water heater open the HOT water faucet on your fixtures until constant water flows from them If air remains in the tank the element will be damaged when the electric cord is plugged in Connect the water heater to GROUNDED OUTLET The water heater is fitted with a power cord that is intended to plug into a grounded 110 120 V AC receptacle Adhere to all pertinent State and local codes Install the correct size circuit breaker into the master panel The Eccotemp ET water heater was manufactured and wired in accordance with UL requirements The water heater is equipped with an overheat limiting device with a manual reset Also known as the temperature high limit thi
4. Remove all the line wires from the heating element Unscrew the heating element retaining nuts mew Remove the element 11 DESCALING THE HEATING ELEMENT Scale deposits can affect the heating capability of the element Heavy scale can even cause the element to burn out The element can be descaled chemically or manuallv 1 2 Remove the heating element see page 11 To descale chemically soak the heating element in white vinegar or other descaling solution and then rinse well with fresh water To descale manually let element dry and then using a non metallic brush similar to a tooth brush brush the residue from the element Avoid damaging the surface of the element Reinstall the element and gasket Refill tank with water before turning on the power to the water heater REPLACING THE HEATING ELEMENT Unplug and drain the water heater see page 11 2 Remove heating element noting original positions of all connections 3 Install new element with gasket making sure the new element and gasket are positioned correctly 4 Tighten retaining nuts and make the wire connections to their original locations CHANGING THE THERMOSTAT 1 Turn off the power switch and unplug the water heater from the electric outlet 2 Drain and remove the water heater see page 11 3 Remove screws retaining the bottom panel of the water heater and remove the panel 4 Remove thermostat knob and unscrew two retaining scr
5. THESE LIMITED WARRANTIES THE LIMITED WARRANTIES PROVIDED HEREIN ARE IN LIEU OF ANY AND ALL WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND THE FITNESS FOR A PARTICULAR PURPOSE PROVIDED HOWEVER THAT IMPLIED WARRANTIES ARE NOT DISCLAIMED DURING THE ONE YEAR PERIOD FROM THE DATE OF ORIGINAL RETAIL PURCHASE ECCOTEMP SHALL HAVE NO LIABILITY HEREUNDER EITHER DIRECT OR CONTINGENT FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES 50 THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU This warranty gives you specific legal rights and you may have other rights THAT vary from state to state 17 These warranties shall be void effect If the Eccotemp heater is not used for its intended application If the design or structure of the Eccotemp heater is modified or altered in any way If appliances or equipment not approved by Eccotemp are attached to the water heater If the water heater is not property installed in compliance with the latest issue of 1 the National Electric Code 2 the applicable plumbing codes 3 all local ordinances and regulations pertinent to similar water heaters and 4 the manufacturer s recommendations and guidelines contained in this and other documents included with the water heater If the Eccotemp water heater is not operated within the facto
6. This position will keep the internal water temperature above the freezing point See photo below Temperature adjusting knob 10 MAINTENANCE INSTRUCTIONS Do not attempt to repair this water heater yourself Call a service person plumber or electrician for service assistance Always unplug the power supply cord when the water is turned off or when servicing or draining the water heater Before calling for service first confirm that the water heater is properly filled and that TIOVAC power has not been interrupted WARNING Before servicing or cleaning the water heater turn off the POWER switch and disconnect the power cord from the electrical outlet NOTE For most maintenance operations the water heater will be drained In all cases before draining first turn off the POWER switch and then unplug power cord DRAINING AND REMOVING THE WATER HEATER 1 Unplug the water heater 2 Opena hot water faucet to let hot water run out Allow water to flow until water is no longer hot 3 Turn off the cold water supply to the water heater Close the hot water faucet 5 Disconnect the water heater from both the hot and cold water connections If possible siphon out remaining water Carefully detach the water heater from the wall Tilt the water heater to drain remaining water out of the heater REMOVING THE HEATING ELEMENT 1 Turn off power supply unplug water heater power cord and drain see above Remove cover
7. gas is extremely flammable To reduce the risk of injury under these conditions it is recommended that the hot water faucet be opened for several minutes at the nearest and most distant sink being served by this water heater before using any electrical appliance connected to the hot water system i e Dishwasher If hydrogen gas is present there will probably be an unusual sound such as air escaping through the faucet as the water begins to flow There should be no smoking or open flame near the faucet at this time WARNING Installer should review the contents of this manual with the owner upon completion of the installation and the manual should remain with the owner and placed in a location close to the water heater TECHNICAL DESCRIPTION There are three Eccotemp Mini tank models a 2 5 gallon model 4 gallon model amp a 6 gallon model The pressure vessel water tank is welded glass lined steel and is equipped with an anode rod The water heater is equipped with a thermostat and a high limit temperature switch A temperature pressure relief valve is supplied with the unit INSTALLATION INSTRUCTIONS EM 2 5 4 0 EM 6 0 The installation must be completed a licensed professional state and local codes must be adhered to The manufacturer will not be liable for any damages because of failure to comply with these installation instructions or because of improper installation performed an unqualified instal
8. A ww II 2 5 4 0 Indicate light Overeating protect device EM 6 0 Indicate light GENERAL INFORMATION The Eccotemp Mini Tank water heaters can be used in most under the counter point of use applications EM Models are designed to supply hot water for all hand wash and kitchen sinks in a residential commercial or industrial environment EM Models can replace traditional central hot water heaters thereby conserving water and reducing energy waste EM Models can also be plumbed in series with the central water heater and act as a booster Eccotemp Mini tank water heaters are lightweight and compact and manufactured for easy installation EM Models can be mounted on the wall with included hardware or freestanding EM Models are designed to operate at 150 psi maximum water pressure Install a pressure reducing valve if your water pressure is greater than 150 psi CAUTION The manufacturer cannot be responsible for the damage caused by improper installation or by failure to follow instructions in this manual Comply with the Installation Instructions before connecting to electrical outlet CAUTION The thermostat has been pre set at the factory between 105 F 41 C and 113 F 45 C CAUTION Hydrogen gas can be produced in a hot water system served by this heater that has not been used for a long period of time generally 2 weeks or more Hydrogen
9. e water heater contact a qualified electrician to have one properly installed 6 As with any appliance close supervision is necessary when used by children 7 Donot operate this water heater if it has a damaged cord or plug if itis not working properly or if it has been damaged or dropped 8 This water heater should be serviced only by qualified service personnel Contact nearest authorized service facility for examination repair or adjustment SAVE THESE INSTRUCTIONS The manufacturer and or distributor is not responsible for damages caused by improper installation or by non observance of the instructions in this manual A QUALIFIED LICENSED TECHNICIAN MUST ALWAYS INSTALL THE WATER HEATER AND CONDUCT ALL SUBSEQUENT SERVICE WORK AND OR MAINTENANCE IMPORTANT FILL THE TANK COMPLETELY FULL WITH WATER AND HAVE WATER FLOWING FROM THE HOT WATER FAUCET BEFORE ACTIVATING POWER TO THE HEATER FOR THE FIRST TIME OR DAMAGE WILL RESULT 2 Technical Data MODEL EM 2 5 EM 4 0 EM 6 0 Capacity gallons 2 40 60 _ Hot water Safety valve Hot water Safety valve outlet _outlet Cold water inlet N Cold water 0 Thermostat Q Thermostat AS 2 Safety valve Water inlet Insulation Tank a loam a F 4 e Ut LITT Insulation loam 2 ies Tank Shell Shell 3 J Dimensions L
10. ews It may be necessary to pry the knob off of the thermostat spindle Now remove front panel 5 Disconnect the push pull wire connectors on the thermostat noting which connector goes to which terminal Terminals are marked Remove the thermostat probe from the well Install new thermostat attach wires and tighten screws 12 RESETTING THE HIGH LIMIT SWITCH For various reasons the high limit safety shut off switch will occasionally shut the water heater down This shut down will occur when water temperatures exceed 190 F Power is automatically turned off to the heating element The shut off device may activate as a result of a power outage or an electrical storm NOTE Do not attempt to reset the high limit switch without first allowing the water heater to cool down the high temperature water inside the heater WARNING Do not tamper with the reset button to over ride overheating shut down 1 Turn off the power switch and unplug the water heater from the electric outlet Drain and remove the water heater see page 11 3 Remove six screws retaining the bottom panel of the water heater and remove the panel Locate the high limit reset button 4 Depress the small red button in the center of the junction box replace the bottom panel and place the water heater back into service NOTE A lower temperature setting saves energy and reduces the risk of scalding CAUTION Call a technician if the high limit needs to be rese
11. heck water fittings and T amp P fitting in the top of the tank 3 Remove cover and inspect heating element gasket 14 Schematic amp Parts EM 2 5 M wm Te 1 ESE ES Cross Recessed Countersunk Screw 4 Button Base Thermostat Porcelain Base Heating Element Seal Circle Shape Screw M6x20 Hexagon Flange Nut M6 Connect Plate Back Shell Cross Self Tapping Screw 2 9x10 s Thermal Cut off se Insulate Circle ES 15 Name of Part lt 1 Heating Element Component Magnesium Anode Supporter Power Cord nner Connect Wire Bottom Cover of Blue Pipe Circle 24 Red Pipe Circle Tank Component Liner Pipe 27 Stainless Steel Pipe with Hole Blue Cover afem e ES Indicate Cover Light EX Pan Head Self Tapping Screw 2 9x18 Electric Box Thermal Cut off Thermal Cut off Nut EM Hexagon Flange Nut 5 5 Heating Element Component Tank Component 4 Bottom Cover of Body Injection Hole Cover 17 Blue Pipe Circle Red Pipe Circle Red Cover 16 Schematic amp Parts EM 4 0 amp 6 0 I wm Um meme _ a mron Liner Pipe 24 T amp P Valve Cover Yellow Cover Power Cord Press Plate Cross Self Tapping Screw
12. ial for hot water Must not be over 15 in length Must not have more than two elbows Must terminate at an adequate drain Must not have a shut off valve between relief valve and tank or relief valve and termination of discharge CLOSED SYSTEM THERMAL EXPANSION Periodic discharge of the T P relief valve or failure of the element gasket be due to thermal expansion in a closed water supply system The water utility supply meter may contain a check valve backflow preventer or water pressure reducing valve which will create a closed water system During the heating cycle of the water heater the heated water expands causing pressure inside the water heater to increase The T P relief valve may discharge hot water under these conditions which results in a loss of energy and a build up of lime on the relief valve seat To prevent this from happening there are two recommendations 1 Install a diaphragm type domestic hot water expansion tank suitable for potable water on the cold water supply line The expansion tank must have a minimum capacity of 1 5 U S gallons for every 50 gallons of stored water Install a 125 PSI pressure relief valve in the cold water supply line Make sure the discharge of this valve is directed to an open drain and protected from freezing Contact your local water utility or plumbing inspector for information on how to control this situation Never plug the outlet of the relief valve FILLING THE WATER
13. ler CHOOSE A LOCATION that allows ease of access for maintenance or servicing ideally installed at least 9 from the ceiling inside top of cabinet or any adjacent walls WALL MOUNTING Fasten the supplied mounting bracket to the wall Use screws that are suitable for the wall material and the weight of the water heater filled to capacity EM 2 5 41 lbs EM 4 0 57 lbs and EM 6 0 76 lbs Hang the water heater on the bracket and pull downwards on the water heater to insure that both fingers of the bracket are seated in the mounting slots Confirm your water piping orientation hot and cold pipes before wall mounting ONLY INSTALL IN VERTICAL POSITION Heater can sit on the floor Confirm water piping orientation before finalizing on floor ONLY INSTALL IN VERTICAL POSITION EM Models can be installed under the sink PLUMBING CONNECTIONS Connect the cold water inlet pipe to the inlet nipple marked with a blue ring and the hot water outlet pipe to the outlet nipple marked with a red ring IMPORTANT If Water pipes are copper or bronze use dielectric connections to prevent corrosion Failure to provide dielectric insulation may result in premature tank or nipple failure and may void your warranty Insure that the water heater is installed in a level position Install a shut off valve on the cold water side of the water heater The valve is for servicing and the valve should be in the open position when the wate
14. oduct Support Shop Online Store Locator iF t Eccotemp com help desk Eccotemp com products Eccotemp com locator 231 m T 2 f 366 356 1992 kesi support eccotemp com Industrial Road Summerville SC 29483 f
15. r heater is in operation In order to protect the water heater from heat damage due to soldering solder a piece of tubing to a threaded UNION fitting before screwing the UNION to the tank DO NOT APPLY HEAT DIRECTLY TO INLET OR OUTLET CONNECTIONS TEMPERATURE AND PRESSURE RELIEF VALVE CAUTION Install the Temperature Pressure Relief Valve supplied with the water heater Install a discharge pipe from the temperature pressure relief valve terminating at a sink or drain DO NOT CAP OR PLUG THE END OF THE DISCHARGE PIPE THE DISCHARGE PIPE MUST BE UNOBSTRUCTED AND FULL SIZED The T P valve is certified by a nationally recognized test lab that maintains periodic inspections of the listed equipment and meets the requirements for relief valves and automatic shut off devices for hot water supply systems ANSI 121 22 1979 The T P valve is marked with a maximum pressure which does not exceed the maximum working pressure of the water heater 150 PSI Install the T P valve into the threaded opening at the top of the water heater and orient the discharge tubing so that any discharge from the valve will exit within 6 inches above or at any distance below the structural floor and cannot contact any live electrical part Valve Discharge pipe 1 m m F U N Must NOT be smaller in diameter than the outlet diameter of the valve or reducing couplings Must NOT be plugged or blocked Must be made of suitable mater
16. ry calibrated temperature limits If leaks in the tank or defects in other parts arise as the result of improper use improper installation negligence in operation failures resulting from accident or from inability of the Eccotemp water heater or any parts to function because of improperly made replacements and repairs or damage by fire floods lightning or any other act of God If the Eccotemp heater element or elements fail due to air entrapment If the serial number label has been altered or removed If the Eccotemp heater is installed in any area where leakage of the tank or connections would result in property damage of any kind or where such a location is unavoidable a suitable drain pan was not installed under the water heater When a drain pan must be used the pan must meet all applicable plumbing codes and be at least 2 1 2 deep must protect an area at least 1 1 2 greater than the lower external dimensions of the heater and must be piped by a minimum 1 pipe to a drain capable of discharge of at least 20 GPM If the Eccotemp heater or any of its components warranted herein are used other than as a part of the complete and integrated system as sold to the original purchaser If leaks in the tank or defects in other parts arise as a result of 1 being operated with deionized water 2 as a result of sizing that does not comply with the manufacturer s published sizing recommendations or 3 use with preheated water in e
17. s device has been factory installed to interrupt the power supply in the event of a thermostat failure DO NOT CONNECT TO HIGHER OR LOWER VOLTAGE Failure to use proper voltage may result in personal injury and or property damage If the supplied electrical power cord is either damaged or not long enough do NOT use an extension cord Have a licensed electrician replace the power cord 9 INSTRUCTIONS FOR USE CONGRATULATIONS You are now ready to use your water heater Run the hot water at a nearby sink and evaluate the hot water temperature Make any temperature adjustment using the section below SETTING THE THERMOSTAT The water heater is equipped with an adjustable thermostat that once set will automatically control water temperature The red indicator lamp remains illuminated while the water is being heated If the water in the tank is at the desired temperature the lamp will NOT be illuminated The temperature adjusting knob will increase the temperature by turning the knob clockwise and decrease the water temperature by turning the knob counter clockwise When not being used for a lengthy period of time you can conserve energy by reducing the water temperature setting SETTING THE FREEZE PROTECTION When the water heater is not being used for an extended period of time and there is a risk of freezing either unplug and drain the water heater OR turn the thermostat knob to the snowflake position to guard against freezing
18. t frequently 13 TROUBLESHOOTING PROBLEM Water does not get hot 1 Make sure the power supply is and working 2 If light does not come on check that the reset button is pushed follow steps from previous section 3 If the indicator light is illuminated but water temperature does not get hot at the sink test for a plumbing crossover as follows shut off cold water supply to water heater and open hot water tap There should be no water flowing Any continuous flow indicates a cross over which will effect the temperature and will need to be corrected 4 f there is no crossover then replace the heating element see previous sections PROBLEM Indicator light not on 1 Ifthe light does not come on but water gets hot check for faulty bulb 2 Check reset button follow steps from previous section PROBLEM Brown water 1 Brown or rusty water indicates a spent anode rod Replace anode rod PROBLEM Odor in water 1 Smelly water could be due to an unusual reaction between local water and the heater s anode rod Check anode rod PROBLEM Water is too hot 1 Turn the temperature knob counter clockwise to a lower temperature setting If temperature does not lower within 60 minutes then replace thermostat PROBLEM Water is not hot enough 1 Under Instructions for Use see Setting the thermostat PROBLEM Water is leaking 1 Turn off power switch and unplug water heater from VAC outlet 2 C
19. xcess of 140 F without the use of an approved tempering valve Replacements and or repairs furnished under warranty carry only the unexpired portion of the original warranty or 90 days whichever is longer The terms of this warranty may not be varied by any person whether or not purporting to represent or act on behalf of Eccotemp 18 THE SECURE SERVICE ASSISTANCE OR MAKE A WARRANTY CLAIM 1 2 Eccotemp Svstems LLC 315 A Industrial Road Summerville SC 29483 866 356 1992 Toll Free Owner should contact the dealer who sold the water heater covered by this warranty or Owner should submit the warranty claim directly to Eccotemp at the address listed below and they will arrange for the handling of the claim Whenever a warranty service request is made be sure to include Proof of Purchase the water heater model number and the date of manufacture date of installation Dealer s name and the watts and voltage When returning the water heater or component part s they must be individually tagged and identified with the Returned Goods Authorization issued by Eccotemp and shipped prepaid to Eccotemp at the address below www Eccotemp com ELCLCOTEMpP Support Eccotemp com THE FUTURE OF EFFICIENCY 19 THE FUTURE EFFICIENCY ECCOTEMP EM 2 5 EM 4 0 EM 6 0 Electric Mini Tank Water Heaters Installation and Operating Instruction Manual Pr
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