Rheem Performance XE38S06ST38U1 Use and Care Manual
Contents
1. DANGER WARNING CAUTION or NOTICE These words mean A DANGER An imminently hazardous situation that will result in death or serious injury A WARNING A potentially hazardous situation that could result in death or serious injury and or damage to property A CAUTION A potentially hazardous situation that may result in minor or moderate injury This is the safety alert symbol Recognize this symbol as an indication of Important Safety Information This symbol alerts you to potential hazards that can kill or hurt you and others Notice Attention is called to observe a specified procedure or maintain a specific condition IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING ADANGER WATER TEMPERATURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting of water heater s thermostat Water temperatures above 125 F can cause severe burns or death from scalding Be sure to read and follow the warnings outlined on the label pictured below This label is also located on the water heater near the thermostat access panel A DANGER Water temperature over 125 F can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded See instruction manual before setting temperature at water heater Feel water before bathing or showering Temperature2. scale or mineral deposits on the heating elements Pressure build up caused by thermal expansion in a closed system Internal heat trap fittings in operation Water usage may have exceeded the capacity of the water heater A fuse 1s blown or a circuit breaker tripped Electric supply may be off The thermostat may be set set too low Leaking or open hot water faucets Electric service to your home may be interrupted Improper wiring Manual reset limit ECO Cold water inlet temperature may be colder during the winter months The thermostat is set too high What To Do Remove and clean the heating elements This is an unacceptable condition and must be corrected Contact the water supplier or plumbing contractor on how to correct this Do not plug the relief valve outlet This is normal for heat trap fittings when in operation and does not indicate a need for service Wait for the water heater to recover after an abnormal demand Replace fuse or reset circuit breaker Make sure electric supply to water heater and disconnect switch 1f used are in the ON position See the Temperature regulation of the water heater section of this manual Make sure all faucets are closed Contact the local electric utility See the Installing the water heater section of this manual See the Temperature regulation of the water heater section of this manual This 1s normal The colder inlet wat
3. 8 8 l pups qo Lco que qe 480V Figure Energy Efficiency This water heater meets or exceeds the energy cover in installed The energy National Appliance Energy Conservation cover must be installed in accordance to Act standards with respect to insulation the instructions provided and standby loss requirements when the Hot and Cold Pipe Insulation Installation Typical vertical piping arrangement Typical horizontal piping arrangement For increased energy efficiency some to the illustrations above that best meets water heaters have been supplied with your requirements two 24 sections of pipe insulation Please install the insulation according Water Heater Energy Cover Installation Instructions Items Provided 2 Apply 3 pieces of tape 6 long across water heater energy cover cover seam as shown in Figure 2 water heater energy cover top 3 Apply a strip of tape 32 long over 2 tape strips 3 x 40 entire length of seam as shown in Figure 3 Installation 1 With vinyl side out wrap the cover around water heater as shown in Figure 1 EE r r I I I 1 I I 1 I I I I I I I L L Loczz assecd 4 id d IIl lI La L r r Qi 9i Figure 2 Figure 3 stalling the water heater 4 Insulate top of water heater by placing top insulation as shown in fig 4 5 Secure top insulation to cover by usi
4. Refer repairs to qualified service personnel Some been supplied with External heat traps in lieu of Internal heat traps Junction box cover x Plate cover Upper thermostat on double element Upper thermostat protective cover on double element models only Cavity insulation Jacket access panel s E 0 0 Cavity insulation 17 Cavity Insert Instructions The following instructions are intended for qualified service personnel ONLY and should only be done when necessary In order to replace the thermostat or heating element la ie Y remove the cavity insert crossbar by following the instructions below 1 Tum off the power to the water heater 2 Remove the jacket access panel s and insulation 3 Rotate the crossbar up and down until it breaks away from the remainder of the cavity insert See illustration to the left Discard the crossbar It cannot and need not be replaced 4 Replace the thermostat and or element as necessary 5 Replace the insulation and jacket access panel s aI T1 before turning on the power to the water heater imo p NOTICE The cavity insert crossbar is necessary for the manufactur
5. and protected from freezing temperatures J Area free of flammable vapors LL Provisions made to protect area from water damage L Sufficient room to service heater B Water Supply L Water heater completely filled with water J Air purged from water heater and piping _ Water connections tight and free of leaks C Relief Valve L Temperature and Pressure Relief Valve properly installed and discharge line run to open drain Q Discharge line protected from freezing D Wiring L Power Supply voltage agrees with water heater rating plate L Branch circuit wire and fusing or circuit breaker of proper size I Electrical connections tight and unit properly grounded 11 Operating the water heater CAUTION Hydrogen gas can be produced in a hot water system served by this water heater that has not been used for a long period of time generally two weeks or more HYDROGEN GAS IS EXTREMELY FLAMMABLE To dissipate such gas and to reduce risk of injury it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water system If hydrogen is present there will be an unusual sound such as air escaping through the pipe as the water begins to flow Do not smoke or use an open flame near the faucet at the time it is open WARNING If the water heater has been subjected to flood fire or physical damage turn off pow
6. cover A DANGER Hotter water increases the potential for Hot Water SCALDS IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING Vl 1x aN ON A WARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion electric shock or to prevent property damage personal injury or loss of life Be sure to read and understand the entire Use and Care Manual before attempting to install or operate this water heater It may save you time and cost Pay particular attention to the Safety Instructions Failure to follow these warnings could result in serious bodily injury or death Should you have problems understanding the instructions in this manual or have any questions STOP and get help from a qualified service technician or the local electric utility FOR INSTALLATIONS IN THE STATE OF CALIFORNIA California Law requires that residential water heaters must be braced anchored or strapped to resist falling or horizontal displacement due to earthquake motions For residential water heaters up to 52 gallon capacity a brochure with generic earthquake bracing instructions can be obtained from Office of the State Architect 400 P Street Sacramento CA 95814 or you may call 916 324 5315 or ask a water heater dealer However applicable local codes shall govern installation For residential water heaters of a capacity greater than 52 gallons consult the local buildin
7. due to thermal expansion in a closed water system Contact the water supplier or your plumbing contractor on how to correct this Do not plug the relief valve outlet Draining the Water Heater A CAUTION Shut off power to the water heater before draining water A DANGER Before manually operating the relief valve make certain no one will be exposed to the hot water released by the valve The water drained from the tank may be hot enough to present a scald hazard and should be directed to a suitable drain to prevent injury or damage In order to drain the water heater turn off the cold water supply Open a hot water faucet or lift the handle on the relief valve to admit air to the tank Attach a garden hose to the drain valve on the water heater and direct the stream of water to a drain Open the valve Routine Preventative Maintenance Properly maintained your water heater will provide years of dependable trouble free service It is suggested that a routine preventive maintenance program be established and followed by the user It is further recommended that a periodic inspection of the operating controls heating element and wiring should be made by service personnel qualified in electric appliance repair Most electrical appliances even when new make some sound when in operation If the hissing or singing sound level increases excessively the electric heating element may require cleaning Contact a quali
8. front of the water heater distribution box NOTICE This guide recommends minimum branch circuit sizing and wire size based on National Electric Code Refer to wiring diagrams in this manual for field wiring connections single Phase Wiring 3 Phase Wiring Branch Circuit Sizing and Wire Size Guide Total Water Heater Wattage 3 000 4 000 4 500 5 000 5 500 6 000 8 000 9 000 10 000 11 000 12 000 Total Water Heater Wattage 3 000 4 000 4 500 5 000 5 500 6 000 8 000 9 000 10 000 11 000 12 000 20 SS 25 25 20 I5 30 25 25 I5 30 30 25 15 35 30 25 ns 40 35 30 20 50 45 40 25 o 50 P 45 25 p PL 83 3 po 8 30 Ce ee ae 3 L3 3 35 28 28 i 30 25 I5 30 30 s 35 30 s 35 30 s 45 40 20 50 45 25 ee ee a XN o 5 J 25 posee ps9 Recommended Over Current Protection fuse or circuit breaker amperage rating Recommended Over Current Protection fuse or circuit breaker amperage rating Copper Wire Size AWG Based on N E C Table 310 16 75 C 240V 12 eee 10 10 12 10 10 10 10 10 10 8 10 10 8 8 10 Lm qm jp sm Eug s Lulu Lowe Ce ee Copper Wire Size AWG Based on N E C Table 310 16 75 C rjr RTTE Le 1 er aa 8 10 ss 1 EN NEN
9. CH CIRCUIT HEATING TO ELECTRICAL ELEMENT DISTRIBUTION LOWE PANEL o RED 10 GA LOWER THERMOSTAT HEATING ELEMENT LOWER LOWER HEATING HEATING ELEMENT ELEMENT Grounding conductor may be required This water heater is facto Ae ry equipped for two 2 wire connection to Refer to Wiring Section of Manual electrical power For use with of peak meter timer remove wire nut from red and black leads and connect to off peak meter timer THIS ELECTRIC WATER HEATER IS WIRED AS INDICATED ABOVE OR BELOW DOUBLE ELEMENT DOUBLE ELEMENT SIMULTANEOUS OPERATION NON SIMULTANEOUS e e e Wiring Diagrams cies tie rage emg DISTRIBUTION PANEL DISTRIBUTION PANEL 1 1 Electric Water Heaters for 3 Phase Applications Therm O Disc Thermostats Type 59T UPPER THERMOSTAT amp HIGH TEMP LIMIT ECO o EO pw ok zz oa T Ki cr n aS DT o5 For the connection of this water heater to a 3 Phase Branch Circuit connect field wiring to the water heater as indicated in UPPER UPPER the appropriate wiring diagram we EMN ome REM at right A separate junction box en enr is being supplied with this water heater check bottom of carton to accomodate wiring and con duit connections Install the Junction Box as shown on the Installation Instruction Sheet included in the plastic bag attached to the heater
10. Safety Precautions 3 4 Installation Instructions I Ocatone cec ee 5 Water Connections 6 Electrical Connections 8 Operating Instructions safety Controls 12 Water Temperature 13 Care and Cleaning Drainine eea a 14 Maintenance 14 Extended Shut Down 15 Troubleshooting Tips Before You Call For Services ana oa 16 Customer Service Parts iste a a a 17 If You Need SENICE minat RU E 19 Wiring Diagram 20 FOR YOUR RECORDS Write the model and serial numbers here H H You can find them on a label on the appliance Staple sales slip or cancelled check here Proof of the original purchase date is needed to obtain service under the warranty READ THIS MANUAL Inside you will find many helpful hints on how to use and maintain your water heater properly Just a little preventive care on your part can save you a great deal of time and money over the life of your water heater You ll find many answers to common problems in the Before You Call For Service section If you review our chart of Troubleshooting Tips first you may not need to call for service at all READ THE SAFETY INFORMATION Your safety and the safety of others are very important There are many important safety messages in this manual and on your appliance Always read and obey all safety messages A All safety messages will follow the safety alert symbol and either the word
11. Use amp Care Manual With Installation Instructions for the Installer single and Double Element Models Residential 30 40 Gallon With Energy Cover LISTED 786H Printed in USA The purpose of this manual is twofold one to provide the installer with the basic directions and recommendations for the proper installation and adjustment of the water heater and two for the owner operator to explain the features operation safety precautions maintenance and troubleshooting of the water heater This manual also includes a parts list It is imperative that all persons who are expected to install operate or adjust this water heater read the instructions carefully so they may understand how to perform these operations If you do not understand these instructions or any terms within it seek professional advice Any questions regarding the operation maintenance service or warranty of this water heater should be directed to the seller from whom it was purchased If additional information is required refer to the section on If you need service Do not destroy this manual Please read carefully and keep in a safe place for future reference Recognize this symbol as an indication of Important Safety Information A California Proposition 65 Warning This product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm AP17547 12 14 Safety Information
12. ate of original installation and dates any service work was performed e Details of the problems as you can best describe them f List of people with dates who have been contacted regarding your problem DOUBLE ELEMENT DOUBLE ELEMENT DOUBLE ELEMENT DOUBLE ELEMENT SIMULTANEOUS OPERATION DOUBLE ELEMENT NON SIMULTANEOUS NON SIMULTANEOUS SIMULTANEOUS OPERATION WITH 4 WIRE OUTLET NON SIMULTANEOUS WITH 4 WIRE OUTLET WITH 3 WIRE OUTLET BRANCH CIRCUIT TO ELECTRICAL TO SECOND POWER SOURCE 1 DISTRIBUTION BRANCH CIRCUIT OFF PEAK METER OR PANEL TO ELECTRICAL TIMER DISTRIBUTION PANEL CONNECTOR TO OFF BRANCH CIRCUIT BRANCH CIRCUIT 4 PEAK TO ELECTRICAL TO ELECTRICAL METER TIMER DISTRIBUTION DISTRIBUTION PANEL PANEL BRANCH CIRCUIT TO ELECTRICAL DISTRIBUTION PANEL TO ELECTRICAL DISTRIBUTION PANEL 1 1 1 1 1 1 1 1 1 1 M2 TM1 1 1 1 1 JUNCTION BOX PPER THERMOSTAT amp HIGH TEMP amp HIGH TEMP LIMIT ECO LIMIT ECO JUNCTION BOX YELLOW JUNCTION BOX c JUNCTION BOX JUNCTION JUNCTION BOX UPPER THERMOSTAT amp HIGH TEMP UPPER THERMOSTAT amp HIGH TEMP LIMIT UPPER THERMOSTAT amp HIGH TEMP LIMIT HEATING ELEMENT UPP R HEATING MEA UPPER ELEMENT THERMOSTAT ELEMENT amp HIGH TEMP P LIMIT ECO R LOWER LO THERMOSTAT THERMOSTAT THERMOSTAT amp HIGH TEMP amp HIGH TEMP amp HIGH TEMP LIMIT ECO LIMIT ECO LIMIT ECO T o o a W x UPPER BRAN
13. clean dry area as near as practical to the area of greatest heated water demand Long uninsulated hot AXCAUTION The water heater should not be located in an area where leakage of the tank or connections will result in damage to the area adjacent to it or to lower floors of the structure Where such areas cannot be avoided it is recommended that a suitable catch pan adequately drained be installed under the water heater water lines can waste energy and water Place the water heater in such a manner that the thermostat and element access panels can be removed to permit inspection and servicing such as removal of elements or checking controls The water heater and water lines should be protected from freezing temperatures Do not install the water heater in outdoor unprotected areas Make certain the floor underneath the water heater is strong enough to sufficiently support the weight of the water heater once it is filled with water id f A Diameter of water heater plus 2 min A To open drain line B Maximum 2 should be at least 3 4 ID and pitched for proper drainage NOTICE Auxiliary catch pan MUST conform to local codes Catch Pan Kits are available from the store where the water heater was purchased or any water heater distributor Inspect Shipment Inspect the water heater for possible damage Check the markings on the rating plate of the water heater to be certain the power supply correspond
14. clude warranty coverage Vacation and Extended Shut Down If the water heater 1s to remain idle for an extended period of time the power and water to the appliance should be turned off to conserve energy and prevent a build up of dangerous hydrogen gas The water heater and piping should be drained if they might be subjected to freezing temperatures Anode Rod This water heater is equipped with an anode rod designed to prolong the life of the glass lined tank The anode rod is slowly consumed thereby eliminating or minimizing corrosion of the glass lined tank After a long shut down period the water heater s operation and controls should be checked by qualified service personnel Make certain the water heater is completely filled again before placing it in operation Water sometimes contains a high sulfate and or mineral content and together with cathodic protection process can produce a hydrogen sulfide or rotten egg odor in the heated water Chlorination of the water supply should minimize the problem 15 16 Before You Call For Service Troubleshooting Tips Save time and money Review the chart on this page first and you may not need to call for service Problem Rumbling noise Relief valve producing popping noise or draining Rattling noise during periods of water usage Not enough or no hot water Water is too hot Possible Causes Water conditions in your home caused a build up of
15. e less than the input rating of the water heater as indicated on the rating label located on the front of the heater 1 watt 3 412 Btu h Connect the outlet of the relief valve to a suitable open drain so that the discharge water cannot contact live electrical parts or persons and to eliminate potential water damage To Fill the Water Heater Make certain the drain valve is completely closed Open the shut off valve in the cold water supply line Open each hot water faucet slowly to allow the air to vent from the water heater and piping Condensation Condensation can form on the tank when it is first filled with water Condensation might also occur with a heavy water draw and very cold inlet water temperature This condition 1s not unusual and will disappear after the water becomes heated If however the condensation continues examine the piping and fittings for possible leaks Piping used should be of a type approved for hot water distribution The discharge line must be no smaller than the outlet of the valve and must pitch downward from the valve to allow complete drainage by gravity of the relief valve and discharge line The end of the discharge line should not be threaded or concealed and should be protected from freezing No valve of any type restriction or reducer coupling should be installed in the discharge line A steady flow of water from the hot water faucet s indicates a full water heater In
16. er and water to the water heater Do not operate the water heater again until it has been thoroughly checked by qualified service personnel 12 Safety Precautions A Do turn off power to water heater if it has been subjected to over heating fire flood physical damage Do Not turn on water heater unless it is filled with water c Do Not turn on water heater 1f cold water supply shut off valve is closed Safety Controls The water heater is equipped with a combination thermostat and temperature limiting control ECO that is located above the heating element in contact with the tank surface If for any reason the water temperature becomes excessively high the temperature limiting control ECO breaks the power circuit to the heating element Once the control opens it must be reset manually CAUTION The cause of the high temperature condition must be investigated by qualified service technician and corrective action must be taken before placing the water heater in service again D if there is any difficulty in understanding or following the Operating Instructions or the Care and Cleaning section it is recommended that a qualified person or serviceman perform the work To reset the temperature limiting control 4 Turn off the power to the water heater 9 Remove the jacket access panel s and insulation The thermostat protective cover should not be removed 3 Press the red RESET button Replace
17. er takes longer to heat See the Temperature regulation of the water heater section of this manual A CAUTION For your safety DO NOT attempt repair of electrical wiring thermostats heating elements or other safety devices Refer repairs to qualified service personnel Replacement Parts For 30 40 gallon models with single and double elements Instructions For Placing a Parts Order Address parts orders to the distributor or store where the heater was purchased All parts orders should include 1 The model and serial number of the water heater from the rating plate 2 Specify voltage and wattage as marked on the rating plate Temperature amp Pressure relief valve Dip tube internal heat trap Internal heat trap Y JL Dip tube gasket up i Anode rod Internal heat trap gasket Heating element models only gasket on double element models only d f f D q l NGG j 4 Heating element i A on double element models only Upper thermostat bracket on double element models only Lower thermostat Heating element gasket d B A Heating element Drain valve Lower thermostat protective cover bracket 3 Part description as noted below and number of parts desired A CAUTION For your safety DO NOT attempt repair of electrical wiring thermostat s heating elements or other operating controls
18. fied installer or plumbing contract to inspect At least once a year lift and release the lever handle on the temperature pressure relief valve located near the top of the water heater to make certain the valve operates freely Allow several gallons to flush through the discharge line to an open drain A water heater s tank can act as a setting basin for solids suspended in the water It is therefore not uncommon for hard water deposits to accumulate in the bottom of the tank It is suggested that a few quarts of water be drained from the water heater s tank every month to clean the tank of these deposits Rapid closing of faucets or solenoid valves in automatic water using appliances can cause a banging noise heard in a water pipe Strategically located risers in the water pipe system or water hammer arresting devices can be used to minimize the problem The anode rod should be removed from the water heater s tank annually for inspection and replaced when more than 6 of core wire 1s exposed at either end of the rod Make sure the cold water supply is turned off before removing anode rod Care and cleaning of the water heater NOTICE Refer to the Hydrogen Gas Caution in the Operating Instructions NOTICE Do not remove the anode rod from the water heater s tank except for inspection and or replacement as operation with the anode rod removed will greatly shorten the life of the glass lined tank and will ex
19. g jurisdiction for acceptable bracing procedures SAFETY PRECAUTIONS Have the installer show you the location of the circuit breaker and how to shut it off if necessary Turn off the circuit breaker if the water heater has been subjected to overheating fire flood physical damage or if the ECO fails to shut off Read this manual entirely before installing Do not attempt to repair or replace any part or operating the water heater of your water heater unless it is specifically recommended in this manual All other servicing should be referred to a qualified technician Use this appliance only for its intended purpose as described in this Use and Care Manual Be sure your appliance is properly installed in accordance with local codes and the provided installation instructions READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY SAVE THESE INSTRUCTIONS Installing the water heater The location chosen for the water heater must take into consideration the following Local Installation Regulations Electrical Code It is available from some local libraries or can be purchased from the National Fire Protection Association Batterymarch park Quincy MA 02269 as booklet ANSI NFPA 70 This water heater must be installed in accordance with these instructions local codes utility codes utility company requirements or in the absence of local codes the latest edition of the National Location Locate the water heater in a
20. ing process only The removal of the crossbar will not interfere with the operation of the water heater TURN OFF j l POWER BEFORE SERVICING 18 IF YOU NEED SERVICE 1 Should you have any questions about your new water heater or if it requires adjustment repair or routine maintenance it is suggested that you first contact your installer plumbing contractor or previously agreed upon service agency In the event the firm has moved or is unavailable refer to the telephone directory commercial listings or local utility for qualified service assistance 2 Should your problem not be solved to your complete satisfaction you should then contact the Manufacturer s National Service Department at the following address 124 Carwood Court Montgomery Alabama 36117 Phone 1 866 279 4566 When contacting the manufacturer the following information will be requested a Model and serial number of the water heater as shown on the rating plate attached to the jacket of the heater b Address where the water heater is located and physical location c Name and address of installer and any service agency who performed service on the water heater d D
21. l distribution panel Union Heat trap CC 6 minimum D Hot water outlet to fixtures Electrical junction box use only copper conductors Jacket access panels Sugan catch pan maximum Drain valve Temperature amp Relief Valve Vacuum Relief Valve Not Supplied Pressure Union If required install per local codes and valve manufacturer s instructions Ca KN Oe Heat trap vw 6 minimum C QU To cold water Shut off Thermal valve ie pnan tank TN required m Relief valve discharge line to suitable open drain C 1 6 air gap a amp A new combination temperature and pressure relief valve complying with the Standard for Relief Valves and Automatic Gas Shut Off Devices for Hot Water Supply Systems ANSI Z21 22 is supplied and must be installed in the opening provided and marked for the purpose on the water heater No valve of any type should be installed between the relief valve and the tank Local codes shall govern the installation of relief valves WARNIN G The pressure rating of the relief valve must not exceed 150 PSI the maximum working pressure of the water heater as marked on the rating plate A WARNING The tank must be full of water before heater is turned on The water heater warranty does not cover damage or failure resulting from operation with an empty or partially empty tank Relief Valve The Btu h rating of the relief valve must not b
22. limiting valves are available see manual NOTICE Mixing valves are available for reducing point of use water temperature by mixing hot and cold water in branch water lines Contact a licensed plumber or the local plumbing authority for further information Time Temperature Relationship in Scalds Time To Produce a Serious Burn 120 F More than 5 minutes 125 F 1 to 2 minutes 130 F About 30 seconds 135 F About 10 seconds 140 F Less than 5 seconds 145 F Less than 3 seconds 150 F About 177 seconds 155 F About 1 second Table courtesy of Shriners Burn Institute The chart shown above may be used as a guide in determining the proper water temperature for your home A DANGER Households with small children disabled or elderly persons may require a 120 F or lower thermostat setting to prevent contact with HOT water The temperature of the water in the heater 1s regulated by the adjustable surface mounted thermostat s located behind the jacket access panel s Dual element heaters have two thermostats To comply with safety regulations the thermostat s were set at 120 F before the water heater was shipped from the factory The illustration at the left shows the temperature adjustment dial used Reset button gt for setting the water temperature Thermostat dial Refer to the Operating pointer Instructions in this manual for detailed instructions in how to E adjust the thermostat s eee WI
23. ng 4 tape strips 6 long as shown in fig 5 p y d l I I l L r lc cma Figure 4 9 Acaution Avoid contact with your eyes and skin Wear long sleeved loose fitting clothing gloves and eye protection when handling fiberglass Wash with soap and warm water after handling Figure 5 A CAUTION Ensure the T amp P Valve opening is not obstructed by the insulation 10 Typical top connection arrangement For increased energy efficiency some water heaters have been supplied with a 2 3 8 section of pipe insulation Please install the insulation according to the illustrations above that best meets your requirements Heat Trap For increased energy efficiency some water heaters have been supplied with factory installed internal or external heat traps in the hot outlet and cold water inlet openings Typical side connection arrangement Slip the insulation cover over the T amp P Valve through the center hole and align the hole in the side with the opening of the T amp P Valve NOTICE Do not apply heat to the HOT or COLD water connections If sweat connections are used sweat tubing to adapter before fitting adapter to the water connections on heater Any heat applied to the water supply fittings will permanently damage the dip tube and or heat traps Installation Checklist A Water Heater Location Q Close to area of heated water demand Q Indoors
24. perature by mixing hot and cold water in branch water lines are available Contact a licensed plumber or the local plumbing authority for further information The chart below may be used as a guide in determining the proper water temperature for your home Time Temperature Relationship in Scalds 120 F 125 F 130 F Io 140 F 145 F 150 F 155 F Table courtesy of Shriners Burn Institute If adjustment is necessary 1 Tum off the power to the water heater 2 Remove the jacket access panel s and insulation exposing the thermostat s The thermostat protective cover s should not be removed More than 5 minutes 1 to 2 minutes About 30 seconds About 10 seconds Less than 5 seconds Less than 3 seconds About 1 2 seconds About 1 second 3 Using a small screwdriver set the thermostat s dial pointer s to the desired temperature 4 Replace the insulation and jacket access panel s Turn on the power to the water heater 13 Care and cleaning of the water heater Ld A DANGER Before manually operating the relief valve make certain no one will be exposed to the danger of coming in contact with the hot water released by the valve The water may be hot enough to create a scald hazard The water should be released into a suitable drain to prevent injury or property damage NOTICE If the temperature and pressure relief valve on the hot water heater discharges periodically this may be
25. ping This rapid pressure increase can quickly reach the safety setting of the relief valve causing it to operate during each heating cycle Thermal expansion and the resulting rapid and repeated expansion and contraction of components in the water heater and piping system can cause premature failure of the relief valve and possibly the heater itself Replacing the relief valve will not correct the problem The suggested method of controlling thermal expansion is to install an expansion tank in the cold water line between the water heater and the check valve refer to the illustration below The expansion tank is designed with an air cushion built in that compresses as the system pressure increases thereby relieving the over pressure condition and eliminating the repeated operation of the relief valve Other methods of controlling thermal expansion are also available Contact your installing contractor water supplier or plumbing inspector for additional information regarding this subject Refer to the illustration below for suggested typical installation The installation of unions or flexible copper connectors is recommended on the hot and cold water connections so that the water heater may be easily disconnected for servicing if necessary The HOT and COLD water connections are clearly marked and are 3 4 NPT on all models Install a shut off valve in the cold water line near the water heater Typical Installation To electrica
26. s to the water heater requirements Installing the water heater NOTICE Do not apply heat to the HOT or COLD water connections If sweat connections are used sweat tubing to adapter before fitting adapter to the water connections on heater Any heat applied to the water supply fittings will permanently damage the dip tube and or heat traps Thermal Expansion Determine if a check valve exists in the inlet water line Check with your local water utility It may have been installed in the cold water line as a separate back flow preventer or it may be part of a pressure reducing valve water meter or water softener A check valve located in the cold water inlet line can cause what is referred to as a closed water system A cold water inlet line with no check valve or back flow prevention device is referred to as an open water system As water is heated it expands in volume and creates an increase in the pressure within the water system This action is referred to as thermal expansion In an open water system expanding water which exceeds the capacity of the water heater flows back into the city main where the pressure is easily dissipated A closed water system however prevents the expanding water from flowing back into the main supply line and the result of thermal expansion can create a rapid Water Supply Connections and dangerous pressure increase in the water heater and system pi
27. stalling the water heater Ground screw z Oo 4 KENN SLE NU X Junction cse G9 box cover connector b Wire connections Water heater junction box AA CAUTION The presence of water in the piping and water heater does not provide sufficient conduction for a ground Non metallic piping dielectric unions flexible connectors etc can cause the water heater to be electrically isolated Electrical Connections A separate branch circuit with copper conductors overcurrent protective device 1 and suitable disconnecting means must be provided by a qualified electrician All wiring must conform to local codes or latest edition of National Electrical Code ANSI NFPA 70 The water heater is completely wired to the junction box inside jacket at the top front of the water heater An opening for 1 2 or 3 4 electrical fitting 1s provided for field wiring connections The voltage requirements and wattage The branch circuit wiring should include either Metallic conduit or metallic sheathed cable approved for use as a grounding conductor and installed with fittings approved for the purpose Non metallic sheathed cable metallic conduit or metallic sheathed cable not approved for use as a ground conductor shall include a separate conductor for grounding It should be attached to the ground terminals of the water heater and the electrical load for the water heater are specified on the rating plate on the
28. the insulation and jacket access panel s before turning on the power to the water heater A DANGER There is a hot water scald potential if the thermostat is set too high Households with small children disabled or elderly persons may require a 120 F or lower thermostat setting to prevent contact with HOT water Reset button mT Thermostat dial pointer TURN OFF POWER BEFORE SERVICING Thermostat protective cover Type 59T thermostat and protective cover Water Temperature Setting The temperature of the water in the water heater can be regulated by setting the temperature dial of the adjustable surface mounted thermostat s located behind the jacket access panel s Dual element heaters have two thermostats Safety and energy conservation are factors to be considered when selecting the water temperature setting of the water heater s thermostat s The lower the temperature setting the greater the savings in energy and operating costs To comply with safety regulations the thermostat s are factory set at 120 F or less where local codes require This is the recommended starting point Water temperatures above 125 F can cause severe burns or death from scalding Be sure to read and follow the warnings outlined in this manual and on the label on the water heater This label is located on the water heater near the thermostat access panel Mixing valves for reducing point of use water tem
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