Ariston IHUB 4 User's Manual
Contents
1. 3 3 4 1 2 NPT MALE fal 10 1 4 GL 2 5 17 1 2 3 4 NPT MALE FIG 2 3 DIMENSIONS FOR GL 6 VERTICAL INSTALLATION 14 1 2 11 1 2 3 4 NPT MALE 17 1 2 81 2 General remarks CAUTION CAUTION CAUTION The manufacturer cannot be responsible for the damages caused by improper installation or by failure to follow instructions in this pamphlet Comply with the installation instructions before completing electric connection The thermostat has been pre set at the factory between 41 C 105 F and 45 C 113 F 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 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 kitchen sink before using any electrical appliance connected to the hot water system If hydrogen gas is present there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow There should be no smoking or open flame near the faucet at this time Installation instructions MODEL GL 6 Wall mounting only for vertical installation Floor Mounting Wiring and Grounding instructions Pipe connections MODEL GL 2 5 W2. ARISTON A Mini Tank water heater Electric undersink Water heaters GL2 5 GL4 GL6 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 OU 02 MWE READ ALL INSTRUCTIONS BEFORE USING THIS WATER HEATER This water heater must be grounded Connect only to properly grounded outlet See GROUNDING INSTRUCTIONS found on INSTALLATION INSTRUCTIONS Install or locate this water heater only in accordance with the provided installation instructions Use this water heater only for its intended use as described in this manual Do not use an extension cord set with this water heater If no receptacle is available adjacent to the water heater contact a qualified electrician to have one properly installed damaged or dropped and leak As with any appliance close supervision is necessary when used by children Do not operate this water heater if it is not working properly or if it has been This water heater should be serviced only by qualified service personnel Contact a service facility for examination repair or adjustment Failure to service the anode rod at least once a year could cause the tank to fail KEEP THESE INSTRUCTIONS AT HAND SAVE THESE INSTRUCTIONS Technical data WARNING MODEL GL2 5 GL4 GL 6 Capacity gallons 2 75 3 85
3. 7 0 Hor 5 1 Vert Voltage Vac 110 120 for each model Power at 120 Vac Watts 1500 1500 1500 Maximum Water pressure psi 150 150 150 Weight Lbs 15 5 17 3 29 5 Amperage Amps 12 50 for each model Phases 1 1 1 The installer should review the contents of this manual with the owner upon completion of installation and the manual should be left with the owner and placed in a location close to the installation FIG 1 1 Temperature amp pressure Hot water outlet relief valve 3 4 NPT male 1 2 NPT male Cold water inlet 1 2 NPT male Temperature amp pressure relief valve discharge 3 4 NPT female line to drain tapping for relief valve COMPONENT PARTS OF GL2 5 GL4 FIG 1 2 Temperature amp pressure COMPONENT PARTS OF GL 6 relief valve 3 4 NPT male Horizontal installation Hot water outlet 3 4 NPT male 3 4 NPT male plug 3 4 NPT female tapping for Temperature amp relief valve pressure relief valve discharge line to drain Cold water inlet 3 4 NPT female 3 4 NPT male tapping FIG 1 3 Temperature amp pressure i COMPONENT j Cold water inlet relief valve 3 4 NPT male 3 4 NPT male PARTS OF Hot water outlet GL 6 3 4 NPT male Vertical installation 3 4 NPT female Temperature amp tapping for re reliet relief valve pressure valve discharge line to drain 3 4 NPT male plug 3 4 NPT female tapping FIG 2 1 14 DIMENSIONS FOR GL 2 5 GL 4
4. Energy Corp 340 Mad River Park Waitsfield VT 05673 866 330 2729 www controlledenergy com tech MTS MAKES USE OF RECYCLED PAPER UL 6K88 LISTED Mrs GROUP Merloni TermoSanitari SpA Viale Aristide Merloni 45 60044 Fabriano AN Tel 0732 6011 Telefax 0732 602331 http www misgroup com E mail marketing it mtsgroup com C US ctec COMMON SENSE HEAT amp HOT WATER TECHNOLOGY Controlled Energy Corp 340 Mad River Park Waitsfield VT 05673 866 330 2729 www controlledenergy com tech 029 1 60 542 1 04 0503 Litograf s r l Jesi
5. all mounting The GL 6 water heater can be installed under the sink Fasten the supplied mounting bracket to the wall Use screws that are suitable for the wall material and the weight of the heater Hang the water heater on the bracket Tug down wards on the heater to ensure that both fingers of the bracket are seated in the mounting slots Confirm water piping orientation before wall mounting Heater can sit on floor Confirm water piping orientation before locating on floor location The GL6 needs to be wired with 12 GA wire to a minimum 20 amp maximum 20 amp branch circuit Remove cover plate V fig 3 4 using a thin screw driver operating on point W fig 3 4 Unscrew the screw below and lift the cover C fig 3 4 When reassembling work in the opposite way being careful to insert first the tongue of the cover into the slot Insert 12 AWG through conduit at rear of heater Secure internal wire connector below thermostat fig 3 3 and connect wiring to right side of thermostat control to lower terminal marked L neutral to upper terminal marked N Unit must be grounded T fig 3 3 When the GL6 is not within sight of the electrical circuit breakers a circuit breaker lockout or additional local means of disconnection for all non grounded conductors must be provided that is within sight of the appliance REF NEC 422 31 Connect the cold water inlet pipe to the inlet nipple marked with a blue ring and the
6. alvanic corrosion due to stray direct current In this case it may be necessary to add a grounding strap from the Ariston tank to the copper plumbing 1 Turn off the power supply and drain the heater see previous section 2 Remove heating element see previous section 3 Remove and replace the anode rod N fig 3 2 4 Refill tank with water before restoring power Changing 1 Turn off power supply and drain the heater see previous section the heating 2 Remove the heating element see section on Removing the Heating Element element 3 Install new element with gasket making sure the gasket and element are positioned correctly Tighten the retaining nuts and make the wire connections 4 Refill tank with water before restoring power Changing 1 Turn off power supply the 2 Disconnect the 2 push pull type wires on thermostat A thermostat 3 Loosen the two brass screws at right side of thermostat and pull wires out 4 Unscrew and remove the two phillips screws holding the thermostat down 5 Install new thermostat and re attach wiring and screws Resetting Occasionally the high temperature limit shut off device may trigger and shut the High Limit system down This occurs when water temperature exceeds 190 F and shuts off Switch power to the heating element The shut off device may also trigger from a power outage or electrical storm To reset 1 IMPORTANT Disconnect heater from electrical power 2 Rem
7. drain the heater see previous section the heating 2 Remove the front cover plate disconnect terminals X Y and T fig 3 3 element 3 Unscrew the 4 heating element retaining nuts F fig 3 3 4 Remove the element G fig 3 1 Descaling Scale deposits can affect the heating capability of the element the heating Heavy scale can even cause the element to burn out The element can be descaled element either chemically or manually A Soak the element in white vinegar or other descaling solution Once descaled rinse well with fresh water to which you should add some baking soda OR B Once the element has dried up use a soft brush non metallic to prevent damaging the stainless steel sheath on element Brush the dried mineral off Reinstall the element with gasket and make the wire connections C Replace anode rod if considerably shorter then diagram WARNING make sure the tank has been refilled with water before restoring power REPLACEMENT OF PARTS Changing The anode rod N fig 3 2 helps protect the tank against corrosion Depending on the the anode water condition the magnesium anode rod may need to be changed every year or so rod Galvanic and electrolytic corrosion can destroy a tank if the anode rod is spent Rusty water is usually an indication of a spent anode rod If rusty water is present examine anode rod immediately Rapid degradation of the anode rod less than 1 year may indicate the presence of g
8. er could be due to an unusual reaction between local water and the heater s anode rod Check anode rod 1 Remove cover plate and turn the temperature selector dial D fig 3 5 counter clockwise to lower temperature If temperature never lowers then replace thermostat 1 Under Instructions for Use see Temperature Setting instruction 1 Check water fittings and T amp P fitting on top of tank 2 Remove front cover and inspect heating element gasket FIG 3 1 FIG 3 2 FIG 3 3 FIG 3 4 ARISTON LIMITED 6 YEARS WARRANTY COVERAGE ARISTON THROUGH ITS U S DISTRIBUTOR CONTROLLED ENERGY CORP hereinafter CEC guarantees this water heater to the Owner hereinafter Ownetr of the water heater at the original installation location against defects in material and workmanship for the periods specified below WARRANTY PERIOD 1 The inner Tank If the inner tank leaks within six 6 years from the date of original installation of the water heater because of a defect in material or workmanship CEC will furnish to such Owner a new heater of the then prevailing comparable model 2 Any Component Part Other than The Original Inner Tank If any component part other than the inner tank proven to be defective in material or workmanship within one 1 year from the date of original installation of the water heater CEC will furnish the Owner with a replacement of the de
9. fective part s 3 Verification of Date of Original Installation When Owner cannot verify or document the original date of installation the warranty period begins on the date of manufacture marked on the tag affixed to the water heater EXCLUSIONS 1 THIS LIMITED WARRANTY SHALL BE THE EXCLUSIVE WARRANTY MADE BY THE MANUFACTURER AND IS MADE IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED WHETHER WRITTEN OR ORAL INCLUDING BUT NOT LIMITED TO WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2 The Manufacturer shall not be liable for any incidental consequential special or contingent damages or expenses arising directly or indirectly from any defect in the water heater or the use of the water heater 3 The Manufacturer shall not be liable for any water damage arising directly or indirectly from any defect in the water heater component part s or from its use 4 Manufacturer shall not be liable under this warranty if a The water heater or any of its component parts has been subject to misuse alteration neglect or accident or b The water heater has not been installed in accordance with the applicable local plumbing and or building code s and or regulation s or c The water heater has not been installed in accordance with the printed manufacturer s instructions or d The water heater is not continuously supplied with potable water 5 The OWNER and not the Manufacturer or his
10. g on point W fig 3 4 Unscrew the screw below and lift the cover C When reassembling work in the opposite way being careful to insert first the tongue of the cover into the slot Maintenance instructions Note Do not attempt to repair this water heater yourself Call a service person for assistance Always turn off the power supply to the heater prior to servicing or draining the heater PERIODIC MAINTENANCE AND PARTS REPLACEMENT Note For most of these operations the water will have to be drained from the heater For all of these operations the power supply needs to be shut off and the front cover removed Remove cover plate V fig 3 4 using a thin screw driver operating on point W fig 3 4 Unscrew the screw below and lift the cover C fig 3 4 When reassembling work in the opposite way being careful to insert first the tongue of the cover into the slot Draining 1 If the heater has been installed with flexible hoses shut off the power supply and the Heater turn the heater upside down over a sink to drain the water out of it OR 2 If the heater has been installed with rigid piping siphon the water out through any lower service valve on the inlet side Keep a hot water faucet open while siphoning the water out OR 3 If the heater has been installed with flexible hoses it can also be emptied by siphoning through the inlet side hose Keep a hot water faucet open while siphoning Removing 1 Turn off power supply and
11. hot water outlet pipe to the outlet nipple marked with a red ring The model GL 6 can be piped horizontally from the side or vertically from the top If you wish to install the unit horizontally with the piping connections on the right side you will have to be certain the tap between the two water tappings is plugged the supplied Temperature and Pressure Relief Valve will need to be installed on top If you wish to install the unit vertically with the piping connections on top you will have to be certain the tap on the side is plugged the supplied Temperature and Pressure Relief Valve will need to be installed on top GL4 The GL 2 5 and GL 4 water heaters can be installed under the sink Fasten the supplied mounting bracket to the wall Use screws that are suitable for the wall material and the weight of the heater Hang the water heater on the bracket Tug down wards on the heater to ensure that both fingers of the bracket are seated in the mounting slots Floor Mounting Pipe connections CAUTION Closed system thermal expansion Heater can sit on floor 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 To reduce the risk of excessive pressures and temperatures in this water heater install the supplied temperature and pressure protective equipment required by local codes but not less than a combination tem
12. ove front cover plate C fig 3 4 3 Firmly press reset button B fig 3 5 4 Replace cover plate reconnect power 5 IMPORTANT Check the operation of the thermostat turn temperature dial from high to low if the red light does not go off on low setting turn off power supply and call a service person to replace thermostat 6 If the system works place dial setting to desired setting Note a lower setting is more economical and reduces the risk of scalding CAUTION Call a technician if the high limit needs to be reset frequently Troubleshooting Water does 1 Make sure the power supply is on and working not get hot 2 If light does not come on check that the reset button is pushed in follow steps from previous section 3 If the indicator light works properly but temperature does not get hot a tap test for a plumbing crossover shut off cold supply to heater and open hot water tap There should be no water flowing Any continued flow indicates a crossover which will effect the temperature and will need to be corrected 4 Replace heating element see previous section on changing the heating element Light not on 1 If the light does not come on but water gets hot check for faulty bulb 2 Check reset button follow steps from previous section Brown water Odor in water Water is too hot Water not hot enough Leaking 1 Brown or rusty water indicates a spent anode rod Replace anode rod 1 Smelly wat
13. perature and pressure relief valve certified by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials as meeting the requirements for Relief Valves and Automatic Gas Shut off Devices for Hot Water Supply Systems ANSI Z21 22 This valve must be marked with a maximum set pressure not to exceed the marked maximum working pressure of the water heater Install the valve in the opening provided and marked for this purpose in the water heater and orient it or provide 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 The discharge opening must not be blocked or reduced in size under any circumstances Periodic discharge of the temperature and pressure relief valve or failure of the element gasket may 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 water expands causing pressure inside the water heater to increase The temperature and pressure 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 dia
14. phgram type expansion tank that is 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 2 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 the local water supplier or plumbing inspector for information on how to control this situation Do not plug the temperature and pressure relief valve Instructions for use Starting and testing Temperature Setting Before connecting the power fill the tank and system with water and check for leaks To be certain that all air is out of the water system open the hot water faucets on your fixtures until constant water flows from them otherwise damage to the element may occur To start the heating cycle A first make sure tank is full Otherwise the heating element may be damaged B the red light will come on and remain on until that temperature has been reached at which point the light will go off but will automatically come back on when the water temperature drops below the setting chosen After installation check the water temperature If adjustment is necessary remove front cover to adjust thermostat D fig 3 5 clockwise to increase the temperature and anticlockwise to decrease it To reach the thermostat lift the plate V using a thin screw driver operatin
15. representative shall be liable for and shall pay for all field charges for labor or other expenses incurred in the removal and or repair of the product or any expense incurred by the owner in order to repair the product SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH MAY VARY FROM STATE TO STATE IMPORTANT OWNER SHALL KEEP THIS MAKE A CLAIM NOTE A water heater should be installed in such a manner that if it should leak the resulting flow of water will not cause damage to the area in which it is installed HOW THE OWNER CAN SECURE SERVICE OR MAKE A CLAIM 1 Owner should contact the dealer who sold the water heater covered by this warranty or 2 Owner should submit the warranty claim directly to CEC at the address listed below and they will arrange for the handling of the claim 3 Whenever any inquiry or service request is made be sure to include the water heater model number the date of manufacture date of installation Dealer s name and the watts and voltage 4 When returning the water heater or component part s they must be individually tagged and identified with the Returned Goods Authorization issued by CEC and shipped prepaid to CEC at the address below COMMON SENSE HEAT amp HOT WATER TECHNOLOGY Controlled
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