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Owners
Manual
FOR POTABLEWATER
HEATING ONLY
NOT SUITABLEFOR
SPACEHEATING
Model No.
153.320390 HT 30 Gal.
153.37.0391HT 30 Gal.
153.320490 HT 40 Gal.
153.320491 HT 40 Gal.
153.320590 HT 50 Gal.
153.320591 HT 50 Gal.
153.320690 HT 66 Gal.
153.320691 HT 66 GaL
153.320890 HT 82 Gal.
153.320891 HT 82 Gal.
P_OWER MISER TM I O+
ELECTRIC
WATER HEATER
• Care and Maintenance
• Safety Instructions
• Installation
• Troubleshooting
• Parts List
Caution:
• Operation
Read and Follow
All Safety Rules and
Operat
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AWARNING Safety Precautions HAZARD OF ELECTRICAL SHOCK! Before removing any access panels or servicing the water heater, make sure the electrical supp.ly to the water heater is turned I _,WARNING 1 "OFF". Failure to do this could result in DEATH, SERI- Improper installation, adjustment, alteration, service or I OUS BOD LY INJURY,OR PROPERTY DAMAGE. maintenance can causeDEATH, SERIOUS BODILY INJUR_, | OR PROPERTY DAMAGE. Refer to this manual for assis-| _iWARNING tance or consultyour local SearsS
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Table of Contents Safety Precautions ............................................................................................................................................... 2 Table of Contents ................................................................................................................................................ 3 Introduction ...........................................................................................................................................
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Introduction Abbreviations Found In This Instruction Manual Thank You for purchasinga Sears water heater. U.L.-Underwriters Laboratories, 333 Pfingsten Rd., 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 National ElectricalCode-This publication is available from your water heater professionally installed, contact the local Sears local government or public library or electric company or by Servic
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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. 20" DIAMETER DRAIN PAN FOR WATER HEATERS 18" IN DIAMETER AND UNDER ! K WATER HEATER HEAT TRAPS .,, ,. HELP REDUCE HEAT LOSS DUE TO THERMAL SYPHONING EXPANSION TANKS FOR THERMAL EXPANSION CONDITIONS AVAILABLE IN 2 GALLON AND $ GALLON CAPACITY WATER HEATER INSTALLA- THROUGH LO
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Installation Instructions Removing the Old Water If you have copper piping to the water a. Heater heater, the two copper water pipes can be cut with a hacksaw approximately 4 away from where they connect to the water Turn "OFF" electrical supply to the water heater. heater. This will amid 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 dra
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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 el.ement 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 e
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Installation Instructions (cont'd) Water Piping _WARNING Installation completed using Sears Installation Kit HOTTER WATER CAN SCALD: Water heaters are intended to produce hot water. Water heated to a tem- perature which will satisfyspaceheating, clotheswashing, 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 eldedy,
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Installation Instructions (cont'd) Temperature-Pressure AWARNING Relief Valve The temperature-pressure relief valve must be manually operated at least once a year. Caution shouldbe taken to I ensure that (I) no one is in from:of or around the outlet _WARNING of the temperature-pressure relief valve discharge line, At the time of manufacture thiswater heaterwasprovided with md (2) the water manuallydischargedwill not causeany a combinatien temperamre_resseres retief valveearthed by a )odily iniuP
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Installation Instructions (cont'd) Filling the Water Heater To fill the water heater with water: Close the seater heater drain valve by turning the handle to the right (clockwise). The drain valve is on the lower front of the water heater. 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 u
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Installation Instructions (cont'd) 2. The convertible dement is located behind the lower access 5. Lower Element: LiE out the tab as shown to undip 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. L_ oul _b Io uncl¥ tlrmlr_l covlr fro_ )ACKET TERMINAL COYER PLASTIC TABS ON CLIPPED TO TILER- Hos'rAT AT THIS TERMINAL COVER POINT HOLD IT IN PLACE, 3. Remo
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Installation Instructions (cont'd) Converting the Lower Element (cont'd) 12. The adjustment dial has a "D" shaped opening that matches 9. Tighten terminals 2 and 3 to ensure proper electrical couNec_on. a "D" shaped shah on the thermostat. Align the opening in the dial to the shaft and gently push the dial onto the sh_ft. I AWARNING Failure to tighten terminal screwscan cause a fire which I can result in DEATH, SERIOUS BODILY INJURY, OR I PROPERTY DAMAGE. 10. Replace terminal cover on the thermo
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Installation Instructions (cont'd) TO ELECTRIC Wiring Diagrams POWER SUPPLY STANDARD WIRING FOR 2 WIRE LEAD WATER HEATERS BLACK NON-SIMULTANEOUS OPERATION 240 VOLT DOUBLE ELEMENT RED UPPER E.C.O. & THERMOSTAT .J .J IUEEBA O tU )- UPPER ELEMENT @ FOR 5500 WATTS FOR 3000 WATTS LOWER _EATING ELEMENT WIRING FOR 3 WIRE LEAD WATER HEATERS NON-SIMULTANEOUS OPERATION 240 VOLT DOUBLE ELEMENT _ HREE TYPES OF FIELD CONNECTIONS YOU MAY HAVE TIME CLOCK SWITCH OPERATES BO'i-I_M ELEMENT ONLY UPPER E.C.O. & THE
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Installation Instructions (cont'd) Wiring C. Flexible metal conduit or flexible metallic tubing shall be J _ CAUTION I permitted for grounding if all the following conditions are Never use this water heater unlessit 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 6 feet. flow from the hot water faucet before turning on power. 2. The circuit conductors co
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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 I_en, HOT COLD check the appropriate block within the model rating plate, which is located adjacent to the lower access panel. • Is the fuse or circuit breaker size correct as shown in the chart in the "ProductSpecifications" section? • Are the wires from the circuit breaker or fuse service to the water heater's junction box on t
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Service and Adjustment Temperature Regulation The lower thermostat is factory set at its lowest position which AWARNING approximates 120°F (Hot) andis 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 satisfyspaceheating, clothes washing, dish washing, and other sanitizing needs can scald and permanen
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Service and Adjustment (cont'd) Temperature-Pressure Relief Draining Valve Operation The water heater should be drained if being shut down during freezing temperatures. Also periodic draining and cleaning of The temperature-pressure relief valve must be manually operated sediment from the tank may be necessary. at least once a year. • Before beginning turn "OFF" the electric power supply to the water heater. TEMPERATURE-PRESSURE AWARNING RELIEF VALVE HAZARD OF ELECTRICAL SHOCK! Before removing I
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Service and Adjustment (cont'd) Element Cleaning/ Replacement 3. Attach a hose to the water heater drain valve and put the l A IMPORTANT I other end in a floor drain or outdoors. Open the water heater ELEMENT REPLACEMENT INFORMATION I drain valve. Open a nearby hot water faucet which will relieve This water heater is equipped with a special element pressure in the water heater and speed draining. that has I%" threads. Make sure that the replace- ment element has I_ threads. I" DIAMETER lY*" DIAM
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Service and Adjustment (cont'd) 7. Lift out the tab as shown to unclip the terminal cover from 12. Close the water heater drain valve by turning the handle to the thermostat. The terminal cover can now be removed the right (clockwise). The drain valve is on the lower front from the thermostat. of the water heater. 13. Open the cold water supply valve to the water heater. Lift out tab to u_ip terminal (Awer from NOTE: The cold water supply valve must he left open _t when the water heater is in us
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Service and Adjustment (cont'd) Drain Valve Washer Element Cleaning/ Replacement (cont'd) Replacement 18. Fold the insulation back in place so that it completely covers NOTE: For replacement, use a 'Tu"x t_/," • X" thick washer the 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 water heater. AWARNING l? I-:1 HAZARD OF ELECTRICAL SHOCK1 Be
