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Owners
Manual
FOR POTABLE WATER
HEATING ONLY
NOT SUITABLEFOR
SPACEHEATING
Model No.
153.320392HT 30 Gal.
153.320393 HT 30 Gal.
153.320492 HT 40 Gal.
153.320493 HT 40 Gal.
153.320592 HT 50 Gal.
153.320593 HT 50 Gal.
153.320692 HT 66 Gal.
153.320693 HT 66 Gal.
153.320892 HT 80 Gal.
153.320893 HT 80 Gal.
POWER MISER TM 12
LECTRIC
WATER HEATER
• Care and Maintenance
• Safety Instructions
• Installation
• Troubleshooting
Caution: • Parts List
• Operation
Read and Follow
All Safety Rules and
Operating
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AWARNING Safety Precautions HAZARD OF ELECTRICAL SHOCKI Before removing any access panels or servicing the water heater, make sure the electrical supply to the water heater is turned "OFF". Fmluro _, WARNING I I to do this could result in DEATH, SERIOUS BODILY INJU" Improper installation, adjustment, alteration, service or mainte- I OR PROPERTY DAMAGE. nancecan causeDEATH, SERIOUS BODILY INJUI_, OR PROP- ERTY DAMAGE. Refer to this manual for assistanceor consult AWARNING your ocal Sears Service
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Table of Contents _€,,,-.oal,._y Precautions ............................................................................................................................................... 2 Table of Contents ................................................................................................................................................ 3 Introduction ...................................................................................................................................
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Introduction Abbreviations Found In This Instruction Manual Thank You for purchasing a Sears water heater. U.L.-Underwriters Laboratories, 333 Pfingsten R Properly installed and maintained, it should give you years of Northbrook, IL 60062 trouble free service. If you should decide that you want the new water beater professionally installed, contact the local Sears National Electrical Code-This publication is available from your Service Center or any Sears store. They will arrange for prompt, loc
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Materials and Basic Tools Needed Materials Needed To simplify the installation Sears has available the installation parts shown below. You may or may not need all of these materi- als, depending on your type of installation. WATER HEATER HEAT TRAPS DRAIN PANS AVAILABLE IN 20" HELP REDUCE HEAT LOSS DUE DIAMETER FOR WATER HEATERS TO THERMAL SYPHONING HAVING A DIAMETER 18" OR LESS, 24" DIAMETER FOR WATER HEATERS HAVING A DIAMETER 22" OR LESS AND AVAILABLE IN 28" DIAMETER FOR WATER HEATERS HAVING A
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Installation Instructions Removing the Old Water If have the Heater Q a. you copper piping to heater, the two copper water pipes can be cut with a hacksaw approximately 4" away OTurn "OFF" electrical supply to the water heater. from where they connect to the water heater. This will avoid cutting off the pipes too short. Additional cuts can be made later if necessary. Disconnect the tempera- ture-pressure relief valve drain line. When the water heater is drained, disconnect the hose from the drai
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Installation Instructions (cont'd) Facts to Consider About the Facts to Consider About The Location Convertible Lower Element You should carefully choose an indoor location for the new The Upper Element (if a double element model), is a conven- water heater, because the placement is a very important consid- tional 3800 watt element which only operates at its rated eration for the safety of the occupants in the building and for wattage on 240 volts. (See rating plate on water heater). the most ec
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Installation Instructions (cont'd) Water Piping Installation completed using Sears AWARNING Installation Kit HOTTER WATER CAN SCALD: Water heaters are intended to produce hot water. Water heated to a tem- perature which will satisfyspace heating, clothes washing, dish washing, and other sanitizing needs can scald and FLEXIBLE permanently injure you upon contact. Some people are WATER SHUT-OFF more likely to be permanently injured by hot water than CONNECTORS VALVE others. These include the elder
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Installation Instructions (cont'd) Temperature-Pressure &WARNING Relief Valve The temperature-pressure relief valve must be manually operated at least once a year. Caution should be taken to ensure that (I) no one is in front of or around the outlet A WARNING of the temperature-pressure relief valve discharge line, At the time ofmanufacturethiswater heaterwasprovided with and (2) the water manually dischargedwill not cause any a combination temperature-pressures relief valvecertifiedby a bodily
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Installation Instructions (cont'd) Filling the Water Heater To fill the water hearer with water: • 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 hearer. Open the cold water supply valve to the water heater. NOTE: The cold water supply valve must be left open when the water heater is in use. To insure complete filling of the tank, allow air to exit by opening the nearest hot water faucet. Allow water to run un
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Installation Instructions (cont'd) 2. The convertible element is located behind the lower access 5. Lower Element: LiE out the tab as shown to unclip the ter- minal cover from the thermostat. The terminal cover can now panel of the water heater. Remove the two screws securing be removed from the thermostat. the access panel, and remove panel. Lift out tab to until! ternllnaJ cover from ,AC TERMINAL COVER PLASTIC TABS ON t_ermosta_ CLIPPED TO THER- 'BOTH SIDES OF TERMINAL COVER HOLD IT IN P"O%?
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Installation Instructions (cont'd) Converting the Lower Element (cont'd) 9. Tighten terminals 2 and 3 to ensure proper electrical 12. The adjustment dial has a "D" shaped opening that matches connection. a "D" shaped shaft on the thermostat. Align the opening in the dial to the shaft and gently push the dial onto the shaft. AWARNING_ Failure to lighten terminal screws can cause a fire which can result in DEATH, SERIOUS BODILY INJURY, OR I PROPERTY DAMAGE. 1 10. Replace terminal cover on the ther
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Installation Instructions (cont'd) TO ELECTRIC Wiring Diagrams POWER SUPPLY STANDARD WIRING FOR LJNCTION 2 WIRE LEAD WATER HEATERS BLACK NON.SIMULTANEOUS OPERATION 240 VOLT DOUBLE ELEMENT RED UPPER E.C,O. & THERMOSTAT BUSS BAR _O \ ° _ a UPPER-" ELEMENT FOR 5500 WATTS EOR3800W=" ENT WIRING FOR 3 WIRE LEAD WATER HEATERS NON-SIMULTANEOUS OPERATION 240 VOLT DOUBLE ELEMENT THREE TYPES OF FIELD HAVE t ONNECTIONS YOU MAY TIME CLOCK SWITCH OPERATES BOTTOM ELEMENT ONLY UPPER E.C.O. & THERMOSTAT TO ELECT
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Installation Instructions (cont'd) Wiring C. Flexible metal conduit or flexible metallic tubing shall be A CAUTION I permitted for grounding if all the following conditions are Never use this water heater unless it is completely full of met: water. To prevent damage to the tank and heating ele- ment, the tank must be filled with water. Water must 1. The length in any ground return path does not exceed flow from the hot water faucet before turning on power. 6 feet. 2. The circuit conductors conta
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Installation Instructions (cont'd) Installation Checklist Whether or not the element conversion is made, the model rating plate must be marked. Using a hard point ink pen, check the appropriate block within the model rating plate, HOT COLD which is located adjacent to the lower access panel. Is the fuse or circuit breaker size correct as shown in the chart in the "Product Specifications" section? Are the wires from the circuit breaker or fuse service to the water heater's junction box on the cor
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Service and Adjustment Temperature Regulation A WARNING The lower thermostat is factory set at its lowest position which approximates 120°F (Hot) and is adjustable if a different water HOTTER WATER CAN SCALD: Water heaters are temperature is desired. Read all warnings in this manual and on intended to produce hot water. Water heated to a tem- the water heater before proceeding. perature which will satisfyspace heating, clothes washing, dish washing, and other sanitizing needs can scald and perma
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Service and Adjustment (cont'd) Lower Thermostat Adjustment Failure to install and maintain a new properly listed tempera- The lower thermostat is adjustable if a different water tempera- ture-pressure relief valve will release the manufacturer from any ture is desired. Read all warnings in the "Temperature- claim which might result from excessive temperature or pressure. Regulation' section before proceed'ng. The adjustment dial can be turned clockwise (_...J) to A WARNING increase the temperat
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Service and Adjustment (cont'd) Element Cleaning/ Replacement NOTE: These instructions are written for element cleaning 3. Attach a hose to the water heater drain valve and put the and element replacement for the lower element. If it is neces- other end in a floor drain or outdoors. Open the water heater sary to dean or replace the upper element, then repeat these drain valve. Open a nearby hot water faucet which will relieve instructions. pressure in the water heater and speed draining. To remo
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Service and Adjustment (cont'd) 12. Close the water heater drain valve by turning the handle to 7. Lift out the tab as shown to unclip the terminal cover from the thermostat. The terminal cover can now be removed the right (clockwise). The drain valve is on the lower front of the water heater. from the thermostat. 13. Open the cold water supply valve to the water heater. Lif_ out tab to uncli F NOTE: The cold water supply valve must be left open terminal ¢Gver from I_ ernl°stat" when the water h
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Service and Adjustment (cont'd) Drain Valve Washer Element Cleaning/ Replacement Replacement (cont'd) 18. Replace the insulation block so that it completely covers the NOTE: For replacement, use a '%/' x _" x %" thick washer thermostat and element. available at your nearest hardware store. For ordering a replacement washer, refer to the "Parts Order List" section. • Before beginning turn "OFF" the electrical power supply to the waterbeater. AWARNING HAZARD OF ELECTRICAL SHOCK! Before removing an
