Rheem Performance XE50T12EH45U0 Use and Care Manual
Contents
1. Montgomery Alabama 36117 Phone 1 800 995 0982 When contacting the manufacturer the following information will be requested Model and serial number of the water heater as shown on the rating label located on front of the water heater Address where the water heater is located and physical location Name and address of installer and any service agency who performed service on the water heater Date of original installation and dates any service work was performed Details of the problems as you can best describe them List of people with dates who have been contacted regarding your problem2. The temperature of the water in the heater is regulated by the water heater interface control To comply with safety regulations the temperature was set at 120 F before the water heater was shipped from the factory The illustration below shows the water temperature setting Refer to the Operating Instructions in this manual for detailed instructions in how to adjust the water temperature e EcoNet Energy Saver Mode 120 e warm gt hot very hot CF settings ht status j Sorice Z mode DANGER Hotter water increases the potential for Hot Water SCALDS IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING vis ax oa 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
3. Valve Hot and Cold Pipe Insulation Installation Please install the insulation on the cold water supply inlet and the hot water outlet as Water Sensor Rope Attachment Water Sensor In order to detect the presence of unwanted water this water heater is supplied with a built in water sensing circuit The water sensor rope is shipped in the warranty bag for field installa tion Remove water sensor rope from the bag and attach to the connec tor located near the lower access shown in the illustration Hot Water Outlet Cold Water inlet Drain Valve panel Place the rope in the rec ommended drain pan and secure to the pan bottom with provided self adhesive clips When water is detected the electronic control will turn off the heating elements flash the display backlight and turn on an audible alarm Installation Checklist A Water Heater Location U Close to area of heated water demand U Provisions made to protect area from water damage Q Indoors and protected from moisture wet conditions and freezing Q Sufficient room to service heater temperatures Q Six inches 6 of clearance from ceiling Q Area free of flammable vapors to top of Hybrid Water Heater to allow for filter maintenance Q 1 000 cu ft unconditioned indoor space Q Access to condensate disposal B Water Supply Q Water heater completely filled with Q Water co
4. 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 17 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 Possible Causes What to Do Rumbling noise Water conditions in your Allow a few quarts of water to run from drain valve home caused a build up of to remove sediment settlings scale or mineral deposits in the water heater Relief valve Pressure build up caused This is an unacceptable condition and must be producing popping by thermal expansion in a corrected Contact the water supplier or plumbing noise or draining closed system contractor on how to correct this DO NOT plug the relief valve outlet Not enough or no Water usage may have Wait for the water heater to recover after an abnormal hot water exceeded the capacity of demand the water heater A fuse is blown or a circuit Replace fuse or reset circuit breaker breaker tripped Electric supply may be off Confirm electric supply to water heater and see instal lation section o
5. 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 1102 Q Street Suite 5100 Sacramento CA 95814 or you may call 916 445 8100 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 building 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 temperature limiting control fails to shut off Read this manual entirely before installing DO NOT attempt to repair or replace or operating the water heater any part of your water heater unless it is specifically recommended in this manual All other servicing should be referred to a qualified technician DO NOT turn on the electrical supply or operate this water heater unless it is completely full of water 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 A WARNING D
6. avoided it is recommended that a suitable drain pan adequately drained be installed under the water heater NOTICE Installation in a confined space will lead to higher power consumption if adequate ventilation is not provided Place the water heater in such a manner that the thermistor and element access panels can be removed to permit inspection and servicing such as removal of elements or checking controls It is recommended that the hybrid water heater be installed in a location with a minimum of 1 000 cubic feet 10 x 10 x 10 of unconditioned air To maintain high efficiencies in a space less than 1 000 cubic feet a minimum of 250 cubic feet per minute of unconditioned air exchange is required Insufficient air exchange will result in increased energy consumption levels Clearances 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 ACAUTION The water heater should not be located in an area where leakage of the tank or connections will result in damage 6 Min A Diameter of water heater plus 2 min B Maximum 2 To open drain line should be at least 3 4 ID and pitched for proper drainage Inspect Shipment Inspect the wa
7. Use amp Care Manual With Installation Instructions for the Installer Electric Residential Hybrid Water Heaters Residential HB Series Moc 00 oS OE A The purpose of this manual is twofold _ asim one to provide the installer with the basic MeczapowW directions and recommendations for the OTAD lt proper installation and adjustment of the eae 50 water heater and two for the owner Ood DA NA a ee operator to explain the features operation Bee nem 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 indication of Important Safety 1 Recognize this symbol as an Information California Proposition 65 Warning This product contains chemicals known to the State of Californ
8. Wiring Diagram ON SOME MODELS ONLY 208 240V 1 PH JCT BOX BK RD GR WIRING DIAGRAM AT Ambient Temperature CAP Capacitor COMP Compressor COND Condensate Sensor On Some Models Only CR Compressor Relay DT Discharge Temperature ECO Emergency Cut Off ET Evaporator Temperature EXV Electronic Expansion Valve FAN Fan GND NUT Ground Nut on Tank HPS High Pressure Switch JCT BOX Junction Box LE Lower Element LER Lower Element Relay LEAK Leak Sensor On Some Models Only ST Suction Temperature TTL Tank Temperature Lower TTU Tank Temperature Upper UE Upper Element UER Upper Element Relay WATER HEATER Ly eer io LED LGD 23 IF YOU NEED SERVICE 24 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 oe mo oq Should your problem not be solved to your complete satisfaction you should then contact the Manufacturer s National Service Department at the following address 1241 Carwood Court
9. again until it has been checked by a qualified service technician NOTICE DO NOT use this appliance if any part has been under water Immediately call a qualified installer or service agency to replace a flooded water heater DO NOT attempt to repair the unit It must be replaced 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 12 Safety Precautions A Do turn off power to water heater if it has been subjected to over heating fire flood physical damage B DO NOT turn on water heater unless it is filled with water Cc DO NOT turn on water heater if cold water supply shut off valve is closed Safety Controls The water heater is equipped with a temperature limiting control ECO that is located above the upper 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 Water Temperature Setting The temperature of the water in the water heater
10. can be regulated by selecting the desired temperature on control display Safety and energy conservation are factors to be considered when selecting the water temperature setting of the water heater The lower the temperature setting the greater the savings in energy and operating costs To comply with safety regulations the temperature is 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 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 Refer to Illustration on page 21 4 Turn off the power to the water heater 2 Remove the upper cavity cover and insulation 3 Press the red RESET button 4 Replace the insulation jacket access panel and plastic housing before turning on the power to the water heater This label is located on the front of the water heater Mixing valves are recommended for reducing point of use water temperature by mixing hot and cold water in branch water lines It is recommended that a mixing valve complying with the Standard for Temperature Actuated Mixing Valves for Hot Wat
11. de button repeatedly to select one of the six modes of operation the Off Mode has been discussed previously The active mode is displayed on top of the screen Heat Pump Only This mode will heat with compressor operation only and will not use any electric heat during typical heating and demand cycles This mode will minimize power consumption Energy Saver Factory set mode for shipping This mode optimizes compressor and electric heat that results in water heater performance that meets Energy Star requirements As a result compressor operation will be maximized and use of electric heat will be minimized High Demand This mode will maximize the performance of the water heater while still providing good energy savings Water heater operates with simultaneous compressor and electric heat Electric Only This Mode will heat with the electric resistance elements This mode should only be used during filter and condensate drain maintenance periods This mode will result in maximum power consumption Vacation This mode will allow duration setting between and 28 days or set indefinitely with the Hold setting Tank temperature will be maintained at about 65 F Only compressor operation will be allowed as needed settings Temperature Display Home Screen Lock Beep On Alarm EcoNet Network instance High Temp Adjust Enable Settings Fahrenheit Off Enabled 1 No The Settings Screen all
12. e Electric Heat Control Evaporator Fan Control Off Compressor Relay Off EXV Current Position 60 0 sensors The Status screen provides informa tion on the current operating status diagnostics and related to sensors 15 Care and cleaning of the water heater ADANGER 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 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 ACAUTION Shut off power to the water heater before draining water ADANGER 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 hos
13. e 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 electronic control heat pump 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 Contact a qualified installer or plumbing contractor to inspect IMPORTANT See DANGER on left At least once a year lift and release the lever handle on the temperature pressure relief valve located on the side of the water heater to make certain the valve operates freely Allow several gallons to flush through the discharge line to an open drain It is recommended to clean the filter on top of the heat pump every month Clean by washing with mild detergent and water Dry and replace Remove the filter by lifting up then replace by lowering back into the filter slot on top of the unit See Figure below Periodically check the condensate drain and condensate overflow to ensure they are open to permit draining of the condensate A water heater s tank can act as a settin
14. ectrical Connections WARNING Turn off electric power at the fuse box or service panel before making any electrical connections Also the ground connection must be completed before making line voltage connections Failure to do so can result in electrical shock severe personal injury or death Disconnect all power to unit before starting maintenance Failure to do so can cause electrical shock resulting in severe personal injury or death The unit must be grounded Failure to do so can cause electrical shock resulting in severe personal injury or death If the water heater has been subjected to fire flood or physical damage DO NOT operate the water heater again until it has been checked by a qualified service technician NOTICE DO NOT use this appliance if any part has been under water Immediately call a qualified installer or service agency to replace a flooded water heater DO NOT attempt to repair the unit It must be replaced Ground screw Junction box cover Wire connections Water heater junction box ADO NOT tum on the electrical supply or operate this water heater unless it is completely full of water AwarniNnc If local codes require external application of insulation blanket kits the manufacturer s instructions included with the kit must be carefully followed Electrical Connections continued A separate branch circuit with copper conductors overcurrent protective device and s
15. ential water damage 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 Installing the water heater AAWARNING DO NOT turn on the electrical supply or operate this water heater unless it is completely full of water The tank must be full of water before water heater is turned on The water heater warranty does not cover damage or failure resulting from operation with an empty or partially empty tank To Fill the Water Heater Make certain the drain valve on the water heater 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 A steady flow of water from the hot water faucet s indicates a full water heater EcoNet Communication Port EcoNet communication port is provided for integration with home automation energy management and demand response systems Electrical Power Hookup Terminals Ground Screw inside Junction Box Control Board Assembly Right Side View El
16. er Distribution Systems ASSE 1017 be installed See page 4 for more details and contact a licensed plumber or the local plumbing authority for further information The chart on the page 3 may be used as a guide in determining the proper water temperature for your home Basic Water Heater Operation Navigating the Home Screen Current Operating Mode Temperature Setting e EcoNet Energy Saver Mode Temperature Adjustment Temperature re Adjustment 1 2 0 warm hot very hot f U Tsere Z Fsettings j status Service AZ Mode Operating Mode Settings Button Status Button Service Button Button Operational Control and Modes Once power is applied to the water heater the Operational Control Buttons can be used to activate the heating of water To turn the water heating On press the Recommended temperature setting 120 F Mode button once To turn the water heating OFF press the Water heater ships in the default Energy Mode button repeatedly until the screen Saver mode with a temperature setting of displays Water Heater Off Mode 120 F Temperature Adjustment ADANGER Hotter water Tank temperature will be maintained according to the setting on the Home increases the potential for Screen If the water temperature setting needs adjustment use the arrows on the HOT water SCALDS control display to select desired temperature 13 Basic Water Heater Operation 14 Operating Mode Press the Mo
17. f this manual The thermostat may be set See the Temperature regulation of the water heater too low section of this manual Leaking or open hot water Make sure all faucets are closed faucets Electric service to your Contact the local electric utility home may be interrupted Improper wiring See the Installing the water heater section of this manual Manual reset limit ECO See the Temperature regulation of the water heater Refer to page 3 for more information Cold water inlet This is normal The colder inlet water takes longer to temperature may be colder heat during the winter months Not enough clearance air Make sure there is at least 1000 cubic feet of air exchange space surrounding the water heater or 250 cubic feet per minute of unconditioned air exchange Water is too hot The thermostat is set too See the Temperature regulation of the water heater high section of this manual ACAUTION For your safety DO NOT attempt repair of electrical wiring thermostats heating elements or other safety devices Refer repairs to qualified service personnel 18 Troubleshooting Alarm Codes Troubleshooting Tips Save time and money Review the chart on this page first and you may not need to call for service The water heater will make an audible beep for notification of Alarms The following steps should be used in determining the Alarm code 1 Press Blinking Service Button on the Home Screen Ta 2 Press Blink
18. g 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 Filter Handle Vertical Flexible Filter 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 Operation with the anode rod removed will greatly shorten the life of the glass lined tank and will exclude warranty coverage Vacation and Extended Shut Down If the water heater is 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
19. ia to cause cancer birth defects or other reproductive harm e UL us 2015 Rheem Sales Company Inc AP17579 02 15 Safety Information Safety Precautions 3 4 Installation Instructions Location me sae rete 5 Water Connections 6 Condensate Drain 6 IRGISE WEINGS oon ncccscn cor 7 Electrical Connections 9 Ripensulanon e 10 Installation Checklist 11 Operating Instructions Safety Controls 12 Water Temperature 12 Basic Water Heater Operation Ri onan ne S 13 15 Care and Cleaning Drainin eee eee 16 Maintenance e eT 16 Extended Shut Down 17 Troubleshooting Tips Before You Call hOBSEhVICCHAEn Ear e 18 20 Customer Service Rartsieisty eee ec 21 Wiring Diagram 23 If You Need SEMIC E terre 24 FOR YOUR RECORDS Write the model and serial numbers here it 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 Yov ll find many answers to common problems in the Before You Call For Service section If you review our chart of Troubleshooting Tips first
20. ical Installation Ceiling 6 Minimum clearance above heat Air filter Temperature and pressure relief valve and discharge line Primary conden sation 3 4 to open drain or outdoors pump to allow for filter maintenance lt Hot water outlet Secondary condensate tubing drain or outdoors Heat trap 6 Min Cold water supply oe Thermal expansion tank if required AP s Union to fixtures lt 3 8 to open gt Shut off l Valve 6 Air gap Drain valve A new combination temperature and pressure relief valve complying with the Standard for Relief Valves for Hot Water Supply Systems ANSI Z21 22 CSA 4 4 is installed in the opening provided No valve of any type should be installed between the relief valve and the tank Local codes shall govern the installation of relief valves WARNING 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 Relief Valve The BTUH rating of the relief valve must not be 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 BTUH 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 pot
21. ing Alarm Button on the Service Screen 3 Alarm will be listed on Alarm Screen A103 Alarm shown as an example During normal operation there should not be any alarm listed under Current Alarms The following page details Alarm code Oo EcoNet Energy Saver Mode 120 CS lt warm hot very hot gt Ch settings il status LT service RY mode service Product Model Number Product Serial Number Software Version Number WH HPW2 H2 00 35 Water Heater Test Off Current Alarm History of all Alarms up to 25 Alarms Current Alarms i A103 Lower Heater Temp Sensor Failure Alarm History A103 Lower Heater Temp Sensor Failure clear history 19 20 Troubleshooting Alarm Codes Code Possible Causes A001 Configuration Data Restore Failure A004 Comp Shutdown Discharge Suction Trip A005 Compressor Shutdown Discharge Temp High Refer to Replacement Parts and or Ser vice sections of this manual A006 Suction Temp Low Check Evap Fan or Filter A007 Compressor Shutdown Hi Press Switch Trip A008 Detected Dry Fire Condition Water Heater is not Refer To Fill the Water Heater section of ull of water this manual A101 Suction Temperature Sensor Failure A102 Ambient Temperature Sensor Failure A103 Lower Heater Temp Sensor Failure A104 Upper Heater Temp Sensor Failure A105 Evaporator Temp Sensor Failure A106 Discharge Temp Sensor Failure Refer to Replacement Parts and
22. isconnect all power to unit before starting maintenance Failure to do so can cause electrical shock resulting in severe personal injury or death READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY ON SAVE THESE INSTRUCTIONS Installing the water heater The location chosen for the water heater must take into consideration the following NOTICE Auxiliary drain pan MUST conform to local codes Drain Pan Kits are available from the store where the water heater was purchased or any water heater distributor Drain Pan should not obstruct cold inlet or drain valve Local Installation Regulations 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 Electrical Code It is available from some local libraries or can be purchased from the National Fire Protection Association Location Locate the water heater in a clean dry area as near as practical to the area of greatest heated water demand Long un insulated hot water lines can waste energy and water Batterymarch Park Quincy MA 02269 as booklet ANSI NFPA 70 Canadian installations should refer to CSA22 1 a copy can be purchased from the Canadian Standards Association 5050 Spectrum Way Mississauga ONT L4W 5N6 to the area adjacent to it or to lower floors of the structure Where such areas cannot be
23. l 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 Temperature limiting valves are available see manual Notice Mixing valves are recommended for reducing point of use water temperature by mixing hot and cold water in branch water lines It is recommended that a mixing valve complying with the Standard for Temperature Actuated Mixing Valves for Hot Water Distribution Systems ASSE 1017 be installed See page 12 for more details and contact a licensed plumber or the local plumbing authority for further information Time Temperature Relationship in Scalds d Temperature Time To Produce a Serious Burn D 120 F 49 C More than 5 minutes 125 F 52 C 1 to 2 minutes 130 F 54 C About 30 seconds 135 F 57 C About 10 seconds 140 F 60 C Less than 5 seconds 145 F 63 C Less than 3 seconds 150 F 65 C About 1 seconds 155 F 68 C 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 ADANGER Households with small children disabled or elderly persons may require a 120 F or lower thermostat setting to prevent contact with HOT water
24. nnections tight and free of water leaks Q Air purged from water heater and piping C Relief Valve Q Temperature and Pressure Relief Valve Discharge line protected from freezing properly installed and discharge line run to open drain D Wiring Q Power Supply voltage agrees with water heater rating plate Q Electrical connections tight and unit properly grounded Q Branch circuit wire and fusing or circuit breaker of proper size Recommended Q 10 gauge wire 30 amp breaker E Condensate Lines Q Condensate lines from heat pump installed correctly A Condensate lines from heat pump run to a suitable drain location 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 fire flood or physical damage turn off power to water heater and DO NOT operate the water heater
25. or Ser A110 Lower Temp Conversion Stuck Error vice sections of this manual A111 Upper Temp Conversion Stuck Error A112 Upper Lower Temp Conversions Stuck Error A113 A2D Reference Conversion Drift Error A125 Lower Element Error A126 Upper Element Error A127 Element Wire Routing Error A128 Lower Element Relay Stuck On Error Refer to Electrical Connections section of this manual A129 Upper Element Relay Stuck On Error A200 Emergency Cut Off ECO Alarm Refer to Safety Control section of this manual Replacement Parts Instructions For Placing a Parts Order Address parts orders to the distributor or store where the heater was purchased 3 Part description as noted below and number of parts desired ACAUTION For your safety DO NOT attempt repair of electrical 1 The model and serial number of wiring heating elements heat pump the water heater from the rating or electronic controls Refer repairs plate located on the tank jacket to qualified service personnel All parts orders should include 2 Specify voltage and wattage as marked on the rating plate Replacement Parts Not Shown Fan Motor Thermister Capacitor N Anode Air Filter Wiring Harness Compressor Wiring Harness EXV Solenoid w harness Upper thermostat protective cover Controller Faceplate Cavity Cover Insulation Assembly Upper Thermistor amp Element Element Bracket Cavity Covers Temperature amp Pressu
26. ows the following changes Temperature Display Units The tem perature display on the Home Screen can be set to Fahrenheit or Celsius Home Screen Lock The Home Screen can be locked to eliminate accidental changing of the Mode or Temperature Beep on Alarm The audible Alarm tone can be disabled during service periods EcoNet Network Instance This number can be set between and 16 Instance is the way an EcoNet network identifies each appliance of the same model on the network Up and down arrows appear in the bottom of the screen once EcoNet Net work Instance button is pressed Instance value can be set using these buttons High Temperature Enable This setting can be set to Yes if a tank temperature higher than 140 F is desired This setting will automatically turn No after 10 min utes of inactivity on the user interface Basic Water Heater Operation service Product Model Number Product Serial Number Software Version Number WH HPW2 H2 00 35 Water Heater Test Off The Service screen provides informa In case there is an active alarm the tion on the product description testing alarms button will blink in the lower software version and alarms Alarm right corner Pressing the Alarms details can be found in the Trouble button will show a new screen con shooting Alarm Codes section of the taining the active alarms and alarm manual history At Status Water Heater Mod
27. re Relief valve Lower Valve Thermistor x X ey eag Drain 21 22 Cavity Insert Instructions The following instructions are intended for qualified service personnel ONLY and should only be done when necessary A In order to replace the ECO thermistor or heating f yT Yal R element remove the cavity insert crossbar by a2 following the instructions below 4 Turn 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 a 4 Discard the crossbar It cannot and need not be replaced Replace the ECO thermistor and or element as necessary 5 Replace the insulation jacket access panel s and 3 plastic housing before turning on the power to ll the water heater NOTICE The cavity insert crossbar is necessary for the manufacturing process only The removal of the crossbar will not interfere with the operation of the water heater N TURN OFF T POWER Va BEFORE SERVICING
28. ressure increase in the Water Supply Connections Refer to the illustration on the next page 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 Condensate Drains Consult local codes or ordinances for specific requirements Refer to page 7 IMPORTANT When making drain fitting connections to the drain tubing use a thin layer of piping tape or silicone and install hand tight IMPORTANT When making drain fitting connections to the drain tubing DO NOT overtighten Overtightening fittings can split pipe connections on the drain pan e This unit is equipped with a 3 4 NPT female primary condensate connection and a 3 8 NPT female overflow connection Use MIP fittings for connections water heater and system piping 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 co
29. rrect 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 on the next page 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 See page 8 on To Fill 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 e DO NOT reduce drain line size less than connection size provided on condensate drain e All drain lines must be pitched downward away from the unit a minimum of 1 8 per foot of line to ensure proper drainage e DO NOT connect condensate drain line to a closed or open sewer pipe DO NOT allow condensate to drain into the water heater drain pan e The drain line should be insulated where necessary to prevent sweating and damage due to condensate forming on the outside surface of the line Typ
30. ter heater for possible damage Check the markings on the rating plate of the water heater to be certain the power supply corresponds to the water heater requirements Rating plate is located on front of water heater Refrigerant This Hybrid Water Heater is factory charged with an environmentally friendly non chlorinated refrigerant R410A This refrigerant has zero ozone depletion potential Installing the water heater 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 and dangerous p
31. th fittings approved for the purpose 2 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 distribution box 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 CAUTION If local codes require the application of an external insulation blanket to this water heater pay careful attention to the following so as not to restrict the proper function and operation of the water heater DO NOT cover the operating or warning labels attached to the water heater or attempt to relocate them on the exterior of insulation blanket DO NOT cover air openings on both sides of the water heater DO NOT cover the Controller Assembly temperature and pressure relief valve or drain valve Inspect the insulation blanket frequently Vertical heater and may endanger life and property Flexible Filter The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such Air filter unauthorized devices must be Air Outlet accessible Opening Controller Assembly 10 Installing the water heater Drain Pan Relief
32. uitable 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 is provided for field wiring connections The voltage requirements and wattage load for the water heater are specified on the rating plate on the front of the water heater Insulation Blankets Insulation blankets available to the general public for external use on electric water heaters are not necessary The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters This water heater meets or exceeds the National Appliance Energy Conservation Act standards with respect to insulation and standby loss requirements making an insulation blanket unnecessary The manufacturer s warranty does not cover any damage or defect caused by installation attachment or use of any type of energy saving or other unapproved devices other than those authorized by the manufacturer into onto or in conjunction with the water heater The use of unauthorized energy saving devices may shorten the life of the water The branch circuit wiring should include either T Metallic conduit or metallic sheathed cable approved for use as a grounding conductor and installed wi
33. 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 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 All safety messages will follow the safety alert symbol and either the word 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 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 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 thermistor access pane
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