IVIAYIAG Series Twelve PC INTELLIGENTELECTRIC WATER HEATER USER'SGUIDE _o_, Numbers _:_0_ FOR POTABLE WATER HEATING ONLY GAMA certification applies to all residential electric water heaters with capacities of 20 to 120 Gallons. Input rating of 12 Kw or lessat a voltage no greater than 250 V. AWARNING READ THE GENERAL SAFETY SECTION BEGINNING ON INSIDE COVERAND THEN THIS ENTIREMANUAL BEFOREINSTALLINGOR OPERATINGTHIS WATERHEATER. Save this Manual for Future Reference.
Safety Instructions Improper installation, adjustment, alteration, service or maintenance can cause DEATH, SERIOUS BODILY INJURY, OR PROPERTY DAMAGE.
Safety Instructions (cont'd) _,WARNING WATER HEATERS EQUIPPED FOR ONE VOLTAGE ONLY: This water heater is equipped for one type voltage only. Check the rating plate near the bottom access panel for the correct voltage. DO NOT use this water heater with any voltage other than the one shown on the model rating plate. Failure to use the correct voltage can cause problems which can result in DEATH. SERIOUS BODILY INJURY. OR PROPERTY DAMAGE. If you have any questions or doubts consult your electric company.
Table of Contents Safety Instructions ........................................................................................................... 2-3 Table of Contents ............................................................................................................ 4 Customer Information ................................................................................................... s Product Spedfications .......................................................................................
Customer Information Thank You for purchasing a Maytag water heater. Properly installed and maintained, it should give you years of trouble free service.
Accessoriesand Tools Needed Accessories To simpfify the installation Maytag has available the installation parts shown below. You may or may not need all of these accessories depending Maytag Customer rized installer. on your type of installation.
Installation Instructions Removing the Old Water Heater Turn "OFF" electrical supply to the water heater. @ a. If you have copper piping to the water heater, the two copper water pipes can be cut with a hacksaw approxithe water heater. This will avoid cutting off the pipes too short. Additional cuts can be made later if necessary. Disconnect the temperature-pressure relief valve drain line. When the water heater is drained, disconnect the hose from the drain valve. Close the drain valve.
Instructions for Installation (cont'd) Locating The New Water Heater ACAUTION I WATER HEATERS EVENTUALLY LEAK: Installation of the water heater must be accomplished in such a i manner that if the tank or any connections should I You should carefiany choose an indoor location for the new water heater, because the placement is a very important con- leak, the flow of water willit not cause damageto to the I structure. For this mason, is not advisable install the water heater in an attic or upper floor.
Instructions for Installation (cont'd) The Convertible Element Lower The Upper Element, is a conventional 3800 watt element which only operates at its rated wattage on 240 volts. (See rating plate on water heater). The Lower Element of the water heater can be converted from operation at 3800 watts to 5500 watts on a 240 volt system. Read and follow water heater warnings and instructions.
Instructions for Installation (cont'd) Water Piping A WARNING HOTTER WATER CAN SCALD: Water heaters NOTE: Your water heater is super insulated to minimize heat lossfrom the tank. Further reduction in heat losscan are intended to produce hot water. Water heated to a temperature which will satisfy clothes washing, dish washing, and other sanitizing needs can scald tnd permanently injure you upon contact. Some _eople are more likely to be permanently injured by lot water than others.
Instructions for Installation (cont'd) Temperature-Pressure Relief Valve &WARNING J At the time of manufacture this water heater was providecl with a combination temperature-pressuresrelief va ve certified by a nationally recognizedtesting laboratory that maintains periodic inspection of production of listed I equipment or materials, as meeting the requirements for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems, and the latest edition of ANSI ZZ1.
Instructions for Installation (cont'd) Filling the Water Heater WARNING A To £dl the water heater with water: [ 1. Close the water heater drain valve by turning the handle to the right (clockwise). The drain valve is on the lower front of the water heater. tiBefore making the conversion to 5500 watts, checkll I the (1) power supply...must be 240 volts, (2) / I wiring...10 gauge AWG @ Type TW, 60"C or equiva-| ]lent, and (3) Circuit breakers or fusing...capable ofl [ 30 amp loading.
Instructions for Installation (cont'd) Converting (cont'd) the lower Element 1. Before beginning the conversion turn "OFF" electric 4. Remove the screws from terfninal 2 of the element, and power supply to the water heater, move the looped end of the wire aside. @i, WARNING 5. The buss bar is labeled 5500 W. Place the buss bar over terminals 2 and 3 with the 5500 W visible.
Instructions for Installation (cont'd) Converting (cont'd) the Lower Element 8. Press the insulation back in place so that it completely covers the thermister and element. 10. Complete wiring to the water heater, or if completed, turn "ON" electric power to the water heater after filling the tank with water. 9. Replace the access panel. Never use this water heater unless it is completely / full of water.
Instructions for Installation (cont'd) Wiring Diagram STANDARD WIRING FOR 2 WIRE LEAD WATER HEATERS NON-SIMULTANEOUS OPERATION 240 VOLT DOUBLE ELEMENT TO ELECTRIC POWER SUPPLY PROGRAMMABLE CONTROL UNIT AC 240 6_z HI-TEMP ¢¢ ,_ i 6-WIRE CABLE z < =_ UPPER THERMISTOR m3 UPPER O 6 ,,n J HEATING ELEMENT 4321 I " ' """J TERMINAL CONNECTOR FOR 5500 WATTS RELAYS & BOARD THERMISTOR FOR 3800 WA'I-rS LOWER HEATING ELEMENT 15
Instructions for Installation (cont'd) Wiring •i_ CAUTION C. Flexible metal conduit or 3 metallic tubing shall be per- Never use this water heater unless it is completely full of water. To prevent damage to the tank and heating element, the tank must be filled with water. Water must flow from the hot water faucet mitted for grounding if all the following conditions are met: 1. The length in any ground return path does not exceed 6 feet. before turning on power. 2.
Instructions for Installation (cont'd) Selecting Thermostat Location 1. The programmable thermostat control module is shipped attached to the front of the water heater, located behind the 6. Probe for any obstruction in the partition. In a clear area drill a %" hole through the wall at the selected location. hinged cover panel. 7. Through this hole in the wall, drop a light chain or short chain attached to a strong cord. Snag the cord with a hooked wire from the basement.
Instructions for Installation (cont'd) THERMOSTAT REMOVAL (cont'd) 10. C_tte_u_y discozln_ witiRg harfleasternlJflltlconnector frombackofthermostat, 13. Pressthe end of the thermostatcablebackinto the insulating bushing.No other connectionswillbe made to this end of TAT _, WIRING HARNESS BACKOF THERMO_$_T. INSULATING __RAMBOLES _ the cable. RUSHING TERMINAL CONNECTOR 11. Removethe wallplate from the water heater by unscrewing the two mountingscrews.
Instructions for Installation (cont'd) 16. Find the loop of thermostat wiring cable (grey colored) inside the junction box and pull it out. LOOP 19. Strip the thermostat cable outer insulation back I_A inches. Strip the ends % inch on each of the six colored wires. _ m ud __ _ O _ ._ 1.250" J 20. A second terminal connector is provided in a small bag contained within the large plastic manual envelope attached to the side of the water heater. Loosen each screw in the terminal connector.
Instructions for Installation (cont'd) SelectingThermostatLocation(cont'd) 22. Guide the end of the remote thermostat cable through the hole where the black plug was removed in the left junction 25. Carefully press the terminal connector and connected wires down into the water heater junction box. box cover. 26. A strain-relief bushing is also provided in the small bag that contained the terminal connector. Open the bushing and place it around the remote thermostat cable exiting the junction box.
Instructions for Installation (cont'd) 29. Fasten wall plate loosely to the wall in position shown using _. CAUTION the three screws provided in the plastic bag. Wall anchors are The six colored recommended for drywall installation. Place a level on top of the wall plate, adjust until level, and then tighten screws to secure wall plate. the terminal connector exactly thermostat to operate correctly. _"--_"_-_ WALL wires must be installed as shown for in the 32.
Instructions for Installation (cont'd) Installation Checklist 1. Whether or not the element conversion is made, the model be marked. point ratink pen,rating checkplate the must appropriate blockUsing withina hard the model ing plate, which is located adjacent to the lower access panel. H_OT __...._ _ COLD _ 2. Is the fuse or circuit breaker size correct as shown in the chart m the Product Specifications CONDUIT section. - I 3.
Instructions for Operation Temperature Regulation Programming the Thermostat AWARNING Before programming HOTTER WATER CAN SCALD: Water heaters are intended to produce hot water. Water heated to a the"Temperature the settings on the thermostat, read Regulation" section again.
Instructions for Operation (cont'd) Programming Normal the Thermostat (cont'd) Display Pro aram Display i _ ,Tllc _ , _ :-'--'--TIME m _ MAVI'AG I_ ll_ _ _PNOGI_M Bu'n'ON _ glDtlIP BUTTON _ L_--_ MAYrAG i LJmm _" i MANUAL MODE The most basic operation of the Intelligent water heater thermostat is the Manual Mode. With this mode the thermostat is set at a desired temperature and the water heater operates to maintain that temperature.
Instructions for Operation (cont'd) ERASE is the option that can delete all the settings that had OPTIONAL been programmed previously. While in the programmable There arefive optional settings the owner can change in the SETTING CHANGES mode, depressing the "ERASE" button will delete a particular time period that is on display. Depressing and holding the "ERASE" button down for several seconds will erase all the settings for an entire week.
Instructions for Operation (cont'd) Programming the Thermostat (cont'd) The third optional mode (3) setting involves the default ternperature set point for the control. To be in this mode, depress the up ( • ) arrow or the down (•) arrow until a large number 3 appears in the lower right-hand corner. The default temperature _- -- =- from the factory is 120°F. This will appear in the upper-left hand corner as 0120.
Service and Maintenance Temperature-Pressure Relief Draining Valve Operation The temperature-pressure The water heater should be drained if being shut down during relief valve must be manua//y oper- freezing temperatures. Also periodic draining and cleaning of ated at least once a year. sediment from the tank may be necessary. 1. Before beginning turn "OFF" the electtic power supply to the water heater.
Service and Maintenance (cont'd) Element Cleaning/ Replacement NOTE: These instructions are written for element cleaning and element replacement for the lower element. If it is necessary to clean or replace the upper element, then repeat these instructions, 3. Attach a hose to the water heater drain valve and put the other end in a floor drain or outdoors. Open the water heater drain valve. Open a nearby hot water faucet which will relieve pressure in the water heater and speed draining.
Service and Maintenance (cont'd) 6. Upper Element Only - Lift out the tab as shown to unclip 10. A new gasket should be used in all cases to prevent a pos- the terminal cover from the high fimit. The terminal cover sible water leak. (See Element Gasket in the Repair Parts can now be removed from the high fimit. Chart). Place the new element gasket on the thread side of the cleaned or new element and screw into tank, securing tightly using an element wrench. 11.
Service and Maintenance (cont'd) Element Cleaning/ Replacement (cont'd) 15. Reconnect the two wires to the element and then check to make sure the high limit remains firmly against the surface of the tank. 18. Replace access panel. 19. Turn "ON" electric power to water heater. % 16. Upper High Limit Only - Replace terminal cover on high limit making sure that the locking tabs on the terminal cover are in place. E T i_,r Tc _ 17.
Service and Maintenance (cont'd) Drain Valve Washer Replacement NOTE: For replacement, use a '%1'x ly,,x %"thick washer available at your nearest hardware store. For ordering a replacement washer, refer to the "Repair Parts" section. 1. Before beginning turn "OFF" the electrical power supply to the water heater. &WARNING HAZARD OF ELECTRICAL SHOCK[ Before removing any access panels or servicing the water heater, make sure the electrical supply to the water heater is turned "OFF".
Troubleshooting Start Up Conditions THERMAL EXPANSION SmeUy water may be eliminated or reduced in some water heater models by replacing the anode(s) with one of less active material, and then chlorinating the water heater tank and all hot water fines. Call Maytag Customer Service at 1-800-788-8899 for an authorized servicerfor further information concerning an Anode Replacement Kit #66001068 and this Chlorination Treatment.
Troubleshooting (cont'd) Operational Conditions (cont'd) HIGH TEMPERATURE SHUT OFF SYSTEM NOT 1. Before beginning, earn "OFF" electrical power supply to 1. the water heater, ENOUGH OR NO HOT WATER In a new installation, the water heater may not be properly connected. Make sure the cold water supply valve is open. Review and check piping installation.
Troubleshooting (cont'd) Operational Conditions (cont'd) THERMOSTATDIAGNOSTICS 4. Upper Element Failure -Tests after 90 minutes of continuous upper element heating without an increase in upper water temperature. The thermostat turns off the upper element and tries for 30 minutes to raise the temperature of the upper sensor using the lower dement. If the upper temperature sensor rises using the lower element, the upper element will again be tried.
Troubleshooting (cont'd) Leakage Checkpoints ] Use this guide to check a "Leaking" water heater. Many suspected "Leakers" are not leaking tanks. Often the source of [ _ CAUTION I Read this manual_efore the watercanbe foundand corrected. [water heatermakesurethe electricsupplyhasbeen[ A CAUTION Never use this water heater unless it is completely full of water. To prevent damage to the tank and heating element, the tank must be filled with water.
Repair Parts List MAYTAG ELECTRICWATERHEATERS MAYTAG/STATE PARTNUMBERCONVERSIONKEY MAYTAG STATE 66001010 9002403 66001011 9001609 66001012 9001608 66001013 ETC2X 66001014 ETC5X 66001016 9002402 66001021 9001584 66001034 9002445 66001053 9000308 66001054 9000309 66001055 9001591 66001056 9002439 66001059 9002406 66001061 9002408 66001063 9002409 66001066 9002416 66001067 9002058 66001068 9001453 66001105 9002769 66001106 9000225 66001107 9000396 66001108 9002988 66001110 9001792 66001111 9001672 66001353 900
Repair Parts List (cont'd) MAYTAG ELECTRICWATER HEATERS NOTE: MODEL NUMBERS HE21250PC 50 GALLON HE21282PC 80 GALLON UPPER ELEMENT: These with 3800 watt elements. water heaters are equipped LOWER ELEMENT: These water heaters are equipped with factory installed convertible elements, which can be operated at 3800 watts or 5500 watts. Convertible elements are not offered as replacement parts. If a replacement 3800 watt, 240 volt element is needed, order part no. 66001106 replacement element.
Repair Parts List (cont'd) MAYTAG ELECTRICWATER HEATERS MODEL NUMBERS HE21250PC HE21282PC KEY NO. 1. 2, 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
Warranty FULL ONE YEAR WARRANTY For One Year from the date of Original Retail Purchase, any part which fails in normal home use will be repaired or replaced free of charge. Ifa leak occurs in the Tank, a new water heater of the closest capacity and quality then available, will be replaced free of charge. The warranty of the replacement is the balance of the original water heater's Warranty.
