Resumen del contenido incluido en la página 1
Series Twelve
ELECTRIC
WATER HEATER
USER’S GUIDE
FOR POTABLE WATER
HEATING ONLY
NOT SUITABLE FOR
SPACE HEATING
Model Numbers
HRE11240S
HRE41240S
HRE11250S
HRE41250S
HRE11250T
HRE41250T
HRE11282T
HRE41282T
LISTED
GAMA certification applies to all residential electric water heaters
with capacities of 20 to 120 gallons. Input rating of 12 kW or
less at a voltage no greater than 250V.
SAVE THIS MANUAL FOR FUTURE REFERENCE.
66001864
PRINTED IN THE U.S.A 1204 www.maytagwaterheaters.com P
Resumen del contenido incluido en la página 2
SAFE INST SAFE INST SAFE INST SAFE INST SAFE INSTALLA ALLA ALLA ALLA ALLATION TION TION TION TION, USE AND SERVICE , USE AND SERVICE , USE AND SERVICE , USE AND SERVICE , USE AND SERVICE Your safety and the safety of others is extremely important in the installation, use and servicing of this water heater. Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of a potential injury hazard. Read and obey all safety mess
Resumen del contenido incluido en la página 3
GENERAL SAFETY GENERAL SAFETY GENERAL SAFETY GENERAL SAFETY GENERAL SAFETY 3
Resumen del contenido incluido en la página 4
T T T T TABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS SAFE INSTALLATION, USE AND SERVICE ........................................................................................................................................ 2 GENERAL SAFETY ............................................................................................................................................................................. 3 TABLE OF CONTENTS .......................
Resumen del contenido incluido en la página 5
CUST CUST CUST CUST CUSTOMER INFORMA OMER INFORMA OMER INFORMA OMER INFORMA OMER INFORMATION TION TION TION TION Thank You for purchasing a Maytag water heater. Properly absence of Local Codes, with the current edition of the installed and maintained, it should give you years of trouble NEC - National Electrical Code NFPA 70. This publication is free service. It is strongly suggested that this new water heater available from your local government or public library or be professionally installed,
Resumen del contenido incluido en la página 6
ACCESSORIES AND TOOLS NEEDED ACCESSORIES AND TOOLS NEEDED ACCESSORIES AND TOOLS NEEDED ACCESSORIES AND TOOLS NEEDED ACCESSORIES AND TOOLS NEEDED Accessories To simplify the installation Maytag has available the installation parts shown below. You may or may not need all of these accessories depending on your type of installation. Call Maytag Customer Service at 1-800-788-8899 for an authorized installer. EXPANSION TANKS FOR THERMAL EXPANSION CONDITIONS DRAIN PANS AVAILABLE IN 22” (559 mm) DIAMET
Resumen del contenido incluido en la página 7
INST INST INST INST INSTALLA ALLA ALLA ALLA ALLATION INSTRUCTIONS TION INSTRUCTIONS TION INSTRUCTIONS TION INSTRUCTIONS TION INSTRUCTIONS Removing the Old Water Heater The water passing out of the drain valve may be extremely hot. To avoid being scalded, make sure all connections are tight and that the water flow is directed away from any person. 4. Check again to make sure the electrical supply is turned “OFF” to the water heater. Then unplug the water heater (cord set)
Resumen del contenido incluido en la página 8
• Sensors mounted in the drain pan that turn off the water supply to the entire home when water is detected in the drain pan. • Water supply shut-off devices that activate based on the water pressure differential between the cold water and hot water pipes connected to the water heater. INSULATION BLANKETS Insulation blankets are available to the general public for FIGURE 7. external use on electric water heaters but are not necessary with this product. The purpose of
Resumen del contenido incluido en la página 9
supply or hardware stores. Follow manufacturers instructions INSTALLATION IN RESIDENTIAL GARAGES: The water heater for installation of the valves. Before changing the factory setting must be located and/or protected so it is not subject to physical on the thermostat, read the “Temperature Regulation” section damage by a moving vehicle. in this manual. • The location selection must provide adequate clearances for servicing and proper operation of the water heater. The Convertible Lower Element Th
Resumen del contenido incluido en la página 10
NOTE: To protect against untimely corrosion of hot and cold Water Piping water fittings, it is strongly recommended that di-electric unions or couplings be installed on this water heater when connected to copper pipe. 1. Look at the upper pipe nipple on the water heater. The water outlet is marked hot. Connect the hot water pipe to the hot water outlet of the water heater. 2. Look at the lower pipe nipple on the water heater. The cold water inlet is marked cold. Connect the cold water pipe to th
Resumen del contenido incluido en la página 11
circumstances. Excessive length, over 30 feet (9.14 m), or use of more than four elbows can cause restriction and reduce the discharge capacity of the valve. No valve or other obstruction is to be placed between the relief valve and the tank. Do not connect tubing directly to discharge drain unless a 6 inch air gap is provided. To prevent bodily injury, hazard to life, or property damage, the relief valve must be allowed to discharge water in quantities should c
Resumen del contenido incluido en la página 12
Converting the Lower Element These instructions only cover the conversion of the convertible element, read this entire manual before attempting to install or operate the water heater. The water heater is factory set to operate at 3800 watts. The lower element can be converted to operate at 5500 watts. Refer to “The Convertible Lower Element” section. The Upper Element is a conventional 3800 watt element which only operates at its rated wattage on 240 volts. (See rating plate on the water heater.
Resumen del contenido incluido en la página 13
Necessary element conversion parts are located in a small 4. Lower Element: Lift out the tab as shown to unclip the bag contained within the large plastic manual envelope terminal cover from the thermostat. The terminal cover can attached to the side of the water heater. now be removed from the thermostat. FIGURE 12. 1. Before beginning the conversion turn “OFF” electric power supply to the water heater. FIGURE 16. 5. Re
Resumen del contenido incluido en la página 14
8. Tighten terminals 2 and 3 to ensure proper electrical 11. Replace the access panel. connection. FIGURE 21. 12. Complete wiring to the water heater, or if completed, turn Failure to tighten terminal screws can cause a fire which can “ON” electric power to the water heater after filling the tank result in DEATH, SERIOUS BODILY INJURY, OR PROPERTY with water. DAMAGE. 9. Replace terminal cover on thermostat and fold insulation back over the element making sure that the lo
Resumen del contenido incluido en la página 15
If you are not familiar with electric codes and practices, or if you • The length in any ground return path does not exceed have any doubt, even the slightest doubt, in your ability to connect 6 feet. the wiring to this water heater, obtain the service of a competent electrician. Call Maytag Customer Service at 1-800-788-8899 • The circuit conductors contained therein are protected for an authorized servicer. by overcurrent devices rated at 20 amperes or less. • The conduit or tubing is terminat
Resumen del contenido incluido en la página 16
Wiring Diagrams STANDARD WIRING FOR 2 WIRE LEAD WATER HEATERS NON-SIMULTANEOUS OPERATION 240 VOLT DOUBLE ELEMENT FIGURE 24. WIRING FOR 3 WIRE LEAD WATER HEATERS NON-SIMULTANEOUS OPERATION 240 VOLT DOUBLE ELEMENT FIGURE 25. 16
Resumen del contenido incluido en la página 17
SERVICE AND MAINTENANCE SERVICE AND MAINTENANCE SERVICE AND MAINTENANCE SERVICE AND MAINTENANCE SERVICE AND MAINTENANCE Temperature Regulation LOWER THERMOSTAT WITH HIGH LIMIT LOWER THERMOSTAT WITHOUT HIGH LIMIT FIGURE 28. HOTTER WATER CAN SCALD: Water heaters are intended to Temperature Settings produce hot water. Water heated to a temperature which will satisfy clothes washing, dish washing, and other sanitizing HOT – Is a thermostat setting of approximately 120°F needs can scald an
Resumen del contenido incluido en la página 18
The upper and lower thermostats are adjustable if a different Temperature-Pressure Relief water temperature is desired. Read all warnings in the Valve Operation “Temperature Regulation” section before proceeding. The temperature-pressure relief valve must be manually NOTE: It is not necessary to adjust the upper thermostat. operated at least once a year. However, if it is adjusted above the factory set point of 120°F (49°C) HOT it is recommended that it not be set higher than the lower thermosta
Resumen del contenido incluido en la página 19
The water heater should be drained if being shut down during 1. Turn “OFF” the electrical power to the water heater at the freezing temperatures. Also, periodic draining and cleaning of junction box. sediment from the tank may be necessary. 2. Remove the access panel and the insulation cap with handle. 3. Lift out the tab as shown below to unclip the terminal cover from the thermostat. The terminal cover can now be removed from the thermostat. 1. Before beginning turn “OFF” the electric power su
Resumen del contenido incluido en la página 20
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. To remove the element from your tank in order to clean or replace it: 1. Before beginning turn “OFF” the electric power supply to the water heater. FIGURE 34. 5. Remove the insulation cap with handle to expose the terminal cover. FIGURE 31. 2. Turn off the w
