A.O. Smith AOSRE50400 Instruction Manual Download Page 22 | Manualshive

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Summary of Contents for AOSRE50400

Page 1: ...ECHNICALAND WARRANTY QUESTIONS SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED IF YOUARE UNSUCCESSFUL PLEASE WRITE TO THE COMPANY LISTED ON THE RATING PLATE ON THE WATER HEATER LISTED Instruction Manual RESIDENTIAL ELECTRIC 2 5 GALLON 120 VOLT WATER HEATER FOR POTABLE WATER HEATING ONLY NOT SUITABLE FOR SPACE HEATING ...

Page 2: ...S Qualified Installer A qualified installer must have ability equivalent to a licensed tradesman in the fields of plumbing and electrical installation of these appliances This would include a thorough understanding of the requirements of the National Electrical Code and applicable local electrical and plumbing codes and tools necessary to confirm proper installation and operation of the water heat...

Page 3: ... GENERAL SAFETY ...

Page 4: ...ter heater INSTALLATION OR SERVICE OF THIS WATER HEATER REQUIRES ABILITY EQUIVALENT TO THAT OF A LICENSED TRADESMAN IN THE FIELD INVOLVED PLUMBING AND ELECTRICAL WORK ARE REQUIRED Examine the location to ensure the water heater complies with the Facts to Consider About the Location section in this manual 5 For California installation this water heater must be braced anchored or strapped to avoid f...

Page 5: ...abled If anyone using hot water in your home fits into one of these groups or if there is a local code or state law requiring a certain temperature water at the hot water tap then you must take special precautions In addition to using the lowest possible temperature setting that satisfies your hot water needs a means such as a mixing valve should be used at the hot water taps used by these people ...

Page 6: ...d by a leak detector or water shut off device used in conjunc tion with a piped drain pan These devices are available from some plumbing supply wholesalers and retailers and detect and react to leakage in various ways Sensors mounted in the drain pan that trigger an alarm or turn off the incoming water to the water heater when leakage is detected Sensors mounted in the drain pan that turn off the ...

Page 7: ...t against the bracket FIGURE 3A MOUNTING FLOOR 1 The floor selected must be capable of supporting double the weight of the unit when completely full of water 77 Ibs 2 The installation area must provide adequate clearances for removal of the front panel and servicing the unit 3 Place a suitable drain pan under the unit The pan must limit the water to a maximum depth of 2 1 2 inches and be 2 inches ...

Page 8: ...d systems do not allow for the expansion of heated water The water within the water heater tank expands as it is heated and increases the pressure of the water system If the relieving point of the water heater s temperature pressure relief valve is reached the valve will relieve the excess pressure The temperature pressure relief valve is not intended for the constant relief of thermal expansion T...

Page 9: ...flow may cause property damage The Discharge Pipe Shall not be smaller in size than the outlet pipe size of the valve or have any reducing couplings or other restrictions Shall not be plugged or blocked Shall be of material listed for hot water distribution Shall be installed so as to allow complete drainage of both the temperature pressure relief valve and the discharge pipe Shall terminate at an...

Page 10: ...10 WIRING DIAGRAM FIGURE 5 ...

Page 11: ...liar with the electric codes and practices or if you have any doubt even the slightest doubt in your ability to connect the wiring to this water heater obtain the service of a competent electrician Contact a local electrical contractor and or the local electric utility WATER HEATERS EQUIPPED FOR ONE VOLTAGE ONLY This water heater is equipped for one type voltage only Check the rating plate near th...

Page 12: ...r temperatures be used to avoid the risk of scalding It is further recommended in all cases that the water temperature thermostat be set for the lowest temperature which satisfies your hot water needs This will also provide the most energy efficient operation of the water heater KEEPING THE THERMOSTAT SETTING AT 120 F 49 C OR LOWER WILL REDUCE THE RISK OF SCALDS Figure 6 shows the approximate time...

Page 13: ...n the water heater this harmless bacteria is nontoxic to humans D An excess of active hydrogen in the tank This is caused by the corrosion protective action of the anode Smelly 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 lines Contact the local water heater sup...

Page 14: ...ater tanks are equipped with an anode rod The submerged rod sacrifices itself to protect the tank Instead of corroding the tank water ions attack and eat away the anode rod This does not affect the water s taste or color The rod must be maintained to keep the tank in operating condition NOTE The use of a water softener may decrease the life of the water heater tank Anode deterioration depends on w...

Page 15: ...n or replace it 1 Turn off and unplug the water heater from the electrical outlet and follow DRAINING INSTRUCTIONS 2 Remove the front panel see the REMOVING THE FRONT PANEL section in this manual Remove the insulation pad 3 Remove the two screws from the mounting bracket see Figure 10 being careful not to drop the screws into the unit as they will be difficult to retrieve Remove bracket and set sc...

Page 16: ...or replacing the element in ELEMENT CLEANING REPLACEMENT High Limit Switch Removal and replacement 1 Turn off and unplug the heater from the electrical outlet 2 Remove the front panel see the REMOVING THE FRONT PANEL section in this manual Remove the insulation pad Remove personnel barrier 3 Remove the four wires connected to the switch taking care to note the original placement of each wire 4 Usi...

Page 17: ...ater on the side of the tank may be condensation due to the panel or insulation not being in place E Water in the water heater bottom or on the floor may be from condensation loose connections or the relief valve DO NOT replace the water heater until a full inspection of all possible water sources is made and necessary corrective steps taken Leakage from other appliances water lines or ground seep...

Page 18: ...blem Possible Cause s Corrective Action These guidelines should be utilized by a qualified service agent TROUBLESHOOTING GUIDELINES Improperly sealed hot or cold supply connection relief valve or drain valve Leakage from other appliances or water lines No power to heater High Temperature Limit Switch open Non functioning thermostat Non functioning thermostat Improper calibration Thermostat set too...

Page 19: ... exist for repair parts or service simply contact the company it was purchased from or the manufacturer listed on the rating plate on the water heater Be sure to provide all pertinent facts when you call or visit Selling prices will be furnished on request or parts will be shipped at prevailing prices and you will be billed accordingly The model number of your Water Heater will be found on the rat...

Page 20: ...not exceeding the maximum calibrated setting of its thermostat used at water pressure not exceeding the working pressure shown on the heater filled with potable water free to circulate at all times and with the tank free of damaging water sediment or scale deposits used in a non corrosive and non contaminated atmosphere used with factory approved anode s installed in its original installation loca...

Page 21: ...ennessee Waltz Parkway Ashland City TN 37015 Phone 1 800 433 2545 or visit our website at www hotwater com parts The warrantor will only honor replacement with identical or similar water heater or parts thereof which are manufactured or distributed by the warrantor Dealer replacements are made subject to in warranty validation by warrantor PROOF OF PURCHASE AND PROOF OF INSTALLATION DATEARE REQUIR...

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Page 24: ...24 www aosmithwaterheaters com ...

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