Rheem Professional Classic Plus Series: Induced Draft Use & Care Manual
Contents
1. C N FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions and use the Use amp Care Manual instructions exactly a fire or explosion may result causing property damage personal injury or loss of life This appliance is equipped with an instuctions ignition device which automatically lights e Ifyou cannot reach your gas supplier the pilot DO NOT try to light the pilot by call the fire department hand C Use only your hand to turn the thermostat BEFORE PUTTING THIS APPLIANCE INTO dial Never use tools If the dial will SERVICE Smell all around the appliance not turn by hand do not try to repair it area for gas Be sure to smell next to the call a qualified service technician Force floor because some gas is heavier than air or attempted repair may result in fire or and will settle on the floor explosion WHAT TO DO IF YOU SMELL GAS Do not use this appliance if any part has e Do not try to light any appliance been under water Immediately call a e Do not touch any electric switch do not qualified installer or service agency to use any phone in your building replace a flooded water heater Do not e Immediately call your gas supplier from a attempt to repair the unit It must be neighbor s phone Follow the gas suppliers replaced OPERATING INSTRUCTIONS STOP Read the safety information above 9 Set the thermostat dial to the desired on this label setting2. Valve Set Estimated Point Temperature E See ee e E e 1059F fe More than 5 minutes About 30 seconds Less than 5 seconds About 1 1 2 seconds About 1 2 second VERY HOT 160 F ADANGER LIQUEFIED PETROLEUM LP PROPANE OR BUTANE AND NATURAL GAS MODELS LP and Natural gas have an odorant added to aid in detecting a gas leak Some people may not physically be able to smell or recognize this odorant If you are unsure or unfamiliar with the smell of LP or natural gas ask the gas supplier Other conditions such as odorant fade which causes the odorant to diminish in intensity can also hide or camouflage a gas leak Water heaters utilizing LP gas are DANGER If a gas leak is present or different from natural gas models A suspected natural gas water heater will not function safely on LP gas and vice versa Do_not attempt to find the cause yourself No attempt should ever be made to convert the water heater from natural Do not try to light any appliance gas to LP gas To avoid possible Do_not touch any electrical switch equipment damage personal injury or fire do not connect the water heater to a fuel type not in accordance with the unit Leave the house immediately and make data plate LP for LP units Natural gas sure your family and pets leave also for natural gas units These units are not certified for any other fuel type Do_not use any phone in your b
3. To HVAC Unit j AA HWS amp HWR d to Heating Coil Drain valve SA not supplied with valve discharge line water heater Gas Fired Water Heater Isolation valve in cold water return line from heating unit not supplied with water heater Gas Direct Vent discharge na must comply with Local and State Codes Vacum Relief Valve Electronically controlled pump timer Combustion Air Inlet Not Supplied Not Supplied Activates every 6 hours for 60 seconds Openings Pp 8 ES Wire to bronze pump l If required install per local codes and valve manufacturer s Air Gap Temperature and pressure relief Gas Control Thermostat Air Handler Water Heater drain pan installed in accordance with the Local and State Code Water Heater to be installed in accordance with the Local and State Energy Code All water piping shall be insulated in ot aa with Local and State Energy ode 18 instructions Lighting the water heater Before operating this water heater be sure to read and follow the instructions on the label pictured below and all other labels on the water heater as well as the warnings printed in this manual Failure to do so can result in unsafe operation of the water heater resulting in property damage personal injury or death Should you have any problems reading or following the instructions in this manual STOP and get help from a qualified person
4. A Sarthe Marmostat dial to the lowest 10 If the appliance will not operate Seung follow the instructions TO TURN OFF Slide the ON OFF switch located on GAS TO APPLIANCE and call your the gas control to the OFF position service technician or gas supplier Turn off all electric power to the appliance This appliance is equipped with an ignition device which ey lights the pilot DO NOT attempt to light the pilot by hand Wait five 5 minutes to clear out any gas If you smell gas STOP Follow B inthe safety information above on this label If you do not smell gas go to the next step Turn on electric power to the appliance Slide the ON OFF switch located on the gas control to the ON position TO TURN OFF GAS TO APPLIANCE Set the thermostat dial to the lowest setting Slide the ON OFF switch located on the gas control to the OFF position Turn off all electric power to the appliance if service is to be performed Close the manual gas shut off valve o A 19 Operating the water heater ACAUTION 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 appli
5. Tips Save time and money Review the charts on the following pages first and you may not need to call for service This water heater incorporates a combustion shut off device that shuts the operation of the water heater down if undesirable combustion conditions occur such as the presence of flammable vapors or blockage of the combustion air inlet openings Please contact a Qualified Service Technician if this occurs Problem Possible Causes Condensation This usually happens when a new water heater is filled for the first time What To Do This is normal After the water in the tank warms up the condensation will disappear If however the condition persists examine the piping and fittings for possible leaks Moisture from the products of combustion condensing on the tank surface This is normal and will disappear in time Excessive condensation can cause main burner outage An undersized water heater will cause condensation Yellow flame Scale on top of the burner Use a water heater size that meets the requirements of your needs Contact a qualified service technician to remove scale or soot ni Flue or Combustion air inlet openings are restricted Remove obstruction or debris from flue or combustion air inlet openings on water heater jacket Not enough combustion or ventilation air supplied to the water heater location Unable to light the main burner Air in gas line Proper op
6. gas control system which has been under A condition known as stacking or layer ing can occur when a series of short and frequent hot water draws are taken The hottest temperature water will be at the top of the tank closest to the outlet pipe delivering hot water to the home Stacking can cause this top layer of water to be hotter than the water toward the bottom of the tank near the gas control thermostat Therefore always remember to test the water water temperature with your hand before use and If the water heater has been subjected to fire remember that hotter water increases the risk physical damage turn off the manual gas of scald injury control shutoff valve and do not operate the water heater again until it has been checked Also always supervise young children or aa by a qualified service technician others who are incapacitated The gas control thermostat is constructed with a built in safety shutoff device designed to shut off the gas supply to the burner if the main burner is extinguished for any reason ia E Time Temperature Relationship in Scalds k D Water Temperature Time To Produce a Serious Burn Hl ae ss 120 F More than 5 minutes J ey cs 125 F I to 2 minutes TF f i 130 F About 30 seconds ae Eo 135 F About 10 seconds f 140 F Less than 5 seconds Fd ek ag s 145 F Less than 3 seconds r 150 F Abou
7. in certain installations a larger vent connector size may be needed Consult the Vent Tables in Chapter 13 of the latest version of the National Fuel Gas Code ANSI standard Z223 1 or NFPA 54 Screws Silicon Sealing Strip Silicon Sealing Strip Screws Horizontal vent connectors must rise at least 1 4 per foot of vent length Vent joints must be securely fastened by sheet metal screws or other approved method Vent Silicon Sealing Strip 3inch to 4 inch Adapter 9 lt Screw Figure 2 4 Inch Gas Vent Application Number of Appliances Single Appliance Type Category I Appliance Vent Connection Connected Directly to Vent Type B Double Wall Gas Vent Lateral Height i E ro ss fs 10 B ps b 20 30 50 Excerpted from the National Fuel Gas Code Latest Edition Number of Appliances Two or More Appliance Type Category I Wall Connector Height ft ft ft 10 15 3 20 3 30 fi 10 15 20 30 50 3 5 3 Excerpted from the National Fuel Gas Code Latest Edition Ww Appliance Vent Connection Single Wall Metal Connector Type B Double Wall Gas Vent Height Lateral Lateral ft ft ft w N SESE Ooa ree s Nn Nn Excerpted from the National Fuel Gas Code Latest Edition Number of Appliances Two or More Appliance Type Category I Appliance Vent Connection Single Wall Metal Connector 6 NA 6 NA 8 NA 8 NA Excer
8. or blockage of the combustion air inlet openings Please contact a Qualified Service Technician if this occurs Problem Rumbling noise Relief valve producing popping noise or draining Not enough or no hot water Water is too hot Possible Causes Scale and sediment Pressure build up caused by thermal expansion to a closed system Water usage may have exceeded the capacity of the water heater What To Do Drain the water heater to remove scale and sediment from the tank Refer to the top of page 24 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 Wait for the water heater to recover after an abnormal demand Low gas pressure Check gas supply pressure and manifold pressure The gas control thermostat may be set too low See the Water Temperature Setting of The Water Heater section of this manual Leaking or open hot water faucets Make sure all faucets are closed Check valve error codes ON OFF switch turned off Refer to gas valve error codes information on the Gas Valve LED Codes section of this manual Turn ON Inducer unplugged Plug in Verify power supply 120VAC Combustion Shutoff System tripped The gas control thermostat is set too high Contact a qualified service technician See the Water Temperat
9. parts Burner Assembly Kit The kit provides extra speed clips and tamper resistant screws May differ in actual appearance Gas Control Thermostat el Bumer supply tube Sight Glass Jacket Door Burner Access Door Grommet 29 Notes 30 Notes 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 1241 Carwood Court Montgomery Alabama 36117 Phone 1 800 432 8373 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 Date of original installation and dates any service work was performed Details of the problems as you can best describe them f Lis
10. valve Manual gas shut off E To gas supply Ground joint union Sediment trap Thy Thermostatic gas valve Jacket door Flammable Vapor Sensor Auxiliary catch pan Drain Pan Pipe to suitable drain Shuto 77 valve eat trap 6 minimum To cold water Joy amp Supply Thermal expansion a tank if required Relief valve discharge line to suitable open drain Combustion Air Inlet Openings Air gap Installing the water heater 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 221 22 is supplied and must remain 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 AWARNING 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 10 Relief Valve 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 The Btuh rating of the relief valve must equal or exceed the Btuh input of the water heater as marked on its rating plate Position the outlet of the relief valve
11. 120 F More than 5 minutes 125 F 1 2 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 1 2 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 gas control thermostat setting to prevent contact with HOT water Maximum water temperatures occur just after the burner has shut off To find water temperature being delivered turn on a hot water faucet and place a thermometer in the water stream and read the thermometer See page 20 and 21 for more details The temperature of the water in the heater can be regulated by rotating the dial on the front of the gas control thermostat To comply with safety regulations the gas control thermostat was set at HOT position before the water heater was shipped from the factory The HOT dial position corresponds to a water temperature of approximately 120 F DANGER Hotter water increases the otential for Hot Water SCALDS The illustration elow details the approximate water temperature for each mark on the Gas Control Thermostat Temperature Dial A DANGER Hotter water increases the potential for Hot Water SCALDS
12. AX5083 ACAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation VERIFY PROPER OPERATION AFTER SERVICING 14 AWARNING If local codes require external application of insulation blanket kits the manufacturer s instructions included with the kit must be carefully followed Insulation Blankets Insulation blankets available to the general public for external use on gas 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 heater and may endanger life and property The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized devices ACAUTION If local codes require the application of an external insulation blanket to this water heater pay careful attention to the following
13. Jacket Temperature and dangerous pressure increase in the 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 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 see 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 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 Vacuum Relief Valve Not Supplied ooo eg pee Union If required install per local code and valve manufacturer s instructions pressure relief
14. Preventative Maintenance can harm the proper operation of this water heater which can cause carbon monoxide dangers excessive hot water temperatures and other potentially hazardous conditions Draining the Water Heater ACAUTION Shut off gas to the water heater at the gas control thermostat gas cock or manual shutoff valve before draining water ADANGER Before manually operating the temperature and pressure 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 Before turning off the cold water supply to the water heater open a hot water faucet allowing sufficient cold water into the tank to prevent the risk of a scald injury while draining the water heater Once the water in the tank is no longer hot turn off the cold water supply to the water heater 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 recommended that a periodic inspection of the gas control thermostat burner relief valve internal flue way and venting system should be made b
15. Use amp Care Manual With Installation Instructions for the Installer Residential 29 Gallon 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 very important 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 assistance 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 California Proposition 65 Warning This product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm A WARNING If the information in these instructions is not followed exactly a fire or explosion may result ca
16. a sediment trap shall be installed downstream of the equipment shutoff valve as close to the inlet of the appliance as practical at the time of the appliance installation The sediment trap shall be either a tee fitting with a capped nipple in the bottom outlet or other device recognized as an effective sediment trap Do not use excessive force over 31 5 ft Ibs in tightening the pipe joint at the gas control thermostat inlet particularly if teflon pipe compound is used as the valve body may be damaged The inlet gas pressure to the water heater must not exceed 10 5 w c for natural gas or 14 w c for LP gas For purposes of input adjustment the minimum inlet gas pressure with main burner on is shown on the water heater rating plate If high or low gas pressures are present contact your gas supplier for correction The factory connections to the gas control thermostat should also be leak tested after the water heater is placed in operation Pressure Testing the Gas Supply System The water heater and its manual gas shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at pressures in excess of 3 8 psi 10 5 w c for natural gas or 1 2 psi 14 w c for LP gas The water heater must be isolated from the gas piping system by closing the manual gas shut off valve during any pressure testing of the gas supply piping at pressures equal to or les
17. above a suitable open drain to eliminate potential water damage Piping used should be of a type approved for hot water distribution To Fill the Water Heater Make certain that the drain valve is closed then 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 temperatures Drops of water falling on the burner can produce a sizzling or pinging sound 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 Do not allow the flammable vapor sensor to become submerged in water This condition is not unusual and will disappear after the water becomes heated If however the condensation continues examine the piping and fittings for possible leaks AWARNING Do not attempt to convert this water heater for use with a different type of gas other than the typ
18. ace is one having a volume of less than 50 cubic feet per 1000 Btuh of the aggregate input of all appliances within that space The air must be supplied through two permanent openings of equal area One is to be located within 12 above the floor and the other is to be located within 12 from the ceiling Corrosive Atmospheres The air in beauty shops dry cleaning establishments photo processing labs and storage areas for liquid and powdered bleaches or swimming pool chemicals often contain such halogenated hydrocarbons An air supply containing halogenated hydrocarbons may be safe to breathe but when it passes through a gas flame corrosive elements are released that will shorten the life of any gas burning appliance The minimum net free area of each opening must not be less than one square inch per 1000 Btuh of the total input rating of all the appliances in the enclosure but not less than 100 square inches if each opening communicates with other unconfined areas inside the building Buildings of unusually tight construction shall have the combustion and ventilation air supplied from outdoors or a freely ventilated attic or crawl space If air is supplied from outdoors directly or through vertical ducts there must be two openings located as specified above and each must have a minimum net free area of not less than one square inch per 4000 Btuh of the total input rating of all the appliances in the enclo
19. agrams provided and take precedent over these instructions Thermal Expansion Determine if a check valve exists in the inlet water line Check with your local water utility company 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 Water Supply Connections 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 Typical Installation Des Heat trap 6 minimum Hot water outlet to fixtures 7 Union Water Heater
20. ance 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 Safety Precautions A Do turn off manual gas shut off valve if water heater has been subjected to over heating fire flood physical damage or if the gas supply fails to shut off B Do Not turn on water heater unless it is completely filled with water Do Not turn on water heater if cold water supply shut off valve is closed D Do Not allow combustible materials such as newspaper rags or mops to accumulate near water heater ADANGER Hotter water increases the Potential for Hot Water SCALDS Households with small children disabled or elderly persons may require a 120 F or lower gas control thermostat setting to prevent contact with HOT water 20 E Do Not store or use gasoline or other flammable vapors and liquids such as adhesives or paint thinner in vicinity of this or any other appliance If such flammables must be used open doors and windows for ventilation and all gas burning appliances in the vicinity should be shut off including their pilot burners to avoid vapors lighting NOTICE Flammable vapors can be drawn by air currents from surrounding areas to the water heater fF If there is any difficulty in understanding or following the Operating Instruction
21. and Cleaning Vent System Inspection 24 Burner Inspection 24 Extended Shut Down 25 Troubleshooting Tips Before You Call POE SENEE o coo eT tee 26 27 Gas Valve LED Error Code 28 Customer Service Parts ES teen eee 29 If You Need Service 32 FOR YOUR RECORDS Write the model and serial numbers here 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 A little preventive care on your part can save you time and money over the life of your water heater You ll find many answers to common problems in the Troubleshooting Guide If you review the chart of Troubleshooting Tips first you may not need to call for service 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 as an indication of Important Safety Information This symbol alerts you to potential hazards that can kill or hurt you and others This is the safety alert symbol Recognize this symbol All safety messages will follow the safety alert symbol and either the word DANGER WARNING CAUTION or NOTICE The
22. ater lines installed in an application intended to iay be purged through the domestic water supply domestic hot water needs and Hotnata aucets and showers hot water for heati pace heating purposes P From HOT DANGER When this system do not connect the heater to an existing unii outlet on requires water for space heating at heating unit or components of a heating water heater elevated temperatures above 125 F system that have previously been used Tee fitting for vertical hot 52 C a mixing or tempering valve with a non drinking water system Toxic water supply lines must be installed in the hot water chemicals such as those used for boiler ane From HOT supply line to the house in order to treatment may be present and will supply to ae 2 reduce the scald hazard potential contaminate Me ERR MT supply water heater _ causing possible health risks Never pe p qa DANGER Any piping or components a toxic chemicals such as those used in the installation of this water used for boiler treatment into this heater in a combination potable and system space heating application must be suitable for use with drinking water Notice 50 0 maximum distance from Hot water supply water heater to fan coil developed length to heating unit is required for Massachusetts State Tee fitting for horizontal hot water supply lines Typical Piping Diagram for Combination Potable Space Heating Installati
23. cent to the heater or to lower floors of the structure When such areas cannot be avoided it is recommended that a suitable catch pan adequately drained must be installed under the water heater The water heater must be centered in the catch pan The catch pan must not restrict air flow to the combustion air inlet openings perforation openings located around the lower perimeter of the water heater Catch pan kits are available from the store where the water heater was purchased or any water heater distributor 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 A gas fired water heater or any other appliance should not be installed in a space where liquids which give off flammable vapors are to be used or stored Such liquids include gasoline LP gas butane or propane paint or adhesives and their thinners solvents or removers DO NOT block or obstruct any of the combustion air inlet openings located around the perimeter of the water heater A minimum of 1 is required between these combustion air inlet openings and any obstruction DO NOT obstruct or block the Flammable Vapor Sensor Because of natural air movement in a room or other enclosed space flammable vapors can be carried some distance from where liquids which give off flammable vapors are to be used or stored The open flame of the water heater s
24. ctric shock or to prevent property damage personal injury or loss of life 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 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 gas shut off valve and how to shut it off if necessary Turn off the manual shut off valve if the water heater has been subjected to overheating fire flood physical damage or if the gas supply 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 w
25. e shown on the rating plate Such conversion could result in hazardous operating conditions AWARNING Never use an open flame to test for gas leaks as property damage personal injury or death could result Gas Supply The branch gas supply line to the water heater should be clean 1 2 black steel pipe no more than 40 equivalent feet long or other approved gas piping material A ground joint union or ANSI design certified semi rigid or flexible gas appliance connector should be installed in the gas line close to the water heater The National Fuel Gas Code NFGC mandates a manual gas shut off valve See NFGC for complete instructions If flexible connectors are used the maximum length shall not exceed 36 and must meet the requirements in ANSI Z21 24 Connectors for Gas Appliances If lever type gas shut offs are used they shall be T Handle type Compound used on the threaded joints of the gas piping must be of the type resistant to the action of LP gas Use compound sparingly on male threads only Leak Testing The water heater and its gas connections must be leak tested at normal operating pressures before it is placed in operation 4 Turn on the manual gas shut off valve near the water heater 9 Use a soapy water solution to test for leaks at all connections and fittings Bubbles indicate a gas leak that must be corrected Where a sediment trap is not incorporated as part of the appliance
26. een damaged 1 Cycle power to gas control valve 2 Replace gas control valve CAUTION Make certain power to water heater is OFF before removing protective cover FOR ANY REASON CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation VERIFY PROPER OPERATION AFTER SERVICING CAUTION For your safety DO NOT attempt repair of gas piping remote control burners vent connectors or other safety devices Refer repairs to qualified service personnel 28 Replacement Parts For 29 gallon models using natural or LP gas Instructions For Placing a Parts Order All parts orders should include 4 The model and serial number of the water heater from the rating plate 2 Specify type of gas natural or LP as marked on the rating plate 3 Part description as noted below and number of parts desired 4 Refer to page 32 g Heat Trap Nipple Flue baffle and collar Pressure Switch Fan Assembly Temperature and pressure relief valve ad Gas Control Shank Burner Flammable Vapor Sensor Burner Access Door Gasket Burner orifice Igniter Burner Access Door CAUTION For your safety DO NOT attempt repair of gas piping gas control thermostat burners vent connectors or other safety devices Refer repairs to qualified service personnel Use only original equipment replacement
27. eration of the water heater requires air for combustion and ventilation See the Combustion and Ventilation Air information in the Installing The Water Heater section of this manual Contact a qualified service technician to purge the air from the gas line Blocked Exhaust Contact a qualified service technician to evaluate vent pipe for blockage Pressure Switch Make sure the pressure switch hose is not kinked Wire Connection not fully secured Contact a qualified service technician to confirm wire connections Combustion Shut off Device tripped Combustion shut off device should be inspected by a qualified service technician Gas Control Problem Combustion Shutoff Device Tripped Main burner does not stay lit Contact a qualified service technician The combustion shutoff device should be inspected by a qualified service technician CAUTION For your safety DO NOT attempt repair of gas piping gas control thermostat burners vent connectors or other safety devices Refer repairs to qualified service personnel 26 Before You Call For Service Troubleshooting Tips Save time and money Review the charts on the following pages first and you may not need to call for service This water heater incorporates a combustion shut off device that shuts the operation of the water heater down if undesirable combustion conditions occur such as the presence of flammable vapors
28. erly secured to blower housing Q Vent pipe supported at required intervals F Wiring Q Correct power supply 120 V Electrical connections tight U Provisions made to protect area from water damage Q Sufficient room to service heater LU Combustible materials such as clothing cleaning materials rags etc clear of the base of the heater Q Clearances of 1 from combustion air inlet openings observed U Flammable vapor sensor is not blocked Q Water connections tight and free of leaks LI Soap and water solution used to check all connections and fittings for possible gas leak L Gas Company inspected installation if required L Discharge line protected from freezing Q Appropriate minimum clearances observed U Precautions taken to prevent moisture damage around vent termination Q Vapors from vent pipe cement and primer have dissipated prior to applying electrical power Q Heater properly grounded and proper polarity observed 17 Supplemental instructions for gas water heaters installed in potable water space heating applications Local codes or plumbing authority requirements may vary from the instructions or diagrams provided in this manual and take precedent over these instructions t Hot ste Combination Potable Water and Space Heating Application supply to house Tee fitting must be installed as shown ADANGER If this water heater is This ensures that any air in the w
29. g securely by its hanger at the top of the flue way Reinstall the inducer Inspect the gas venting system and the chimney Burner Inspection Visually inspect the pilot flame and main burner annually Through the sight glass inspect the pilot and burner lighting If any unusual pilot or burner operation is noted the water heater should be shut off until qualified service assistance can be obtained minimum of 1 is required between these combustion air inlet openings and any obstruction DO NOT obstruct or block the Flammable Vapor Sensor The sensor does not require any maintenance or cleaning DO NOT expose to cleaning agents Make certain the vent connector from the inducer outlet to the chimney is properly positioned and securely attached If after inspection of the vent system you found soot or deterioration call the local gas utility to correct the problem and clean the flue or replace the flue flue baffle and venting system before resuming operation of the water heater CAUTION For your safety cleaning of the burner must be performed only by qualified service personnel as it involves the disconnection of gas piping and leak testing The burner chamber is a sealed area If the burner access door is removed the burner access door gasket must be replaced For cleaning remove the burner from the water heater A vacuum cleaner can be used on the burner and floor shield inside the water heater T
30. he burner can also be cleaned by scrubbing with mild detergent 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 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 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 25 Before You Call For Service Troubleshooting
31. he water heater may be installed on combustible floors but not directly on carpeting If the water heater must be installed on carpeting place a metal or wood panel beneath the water heater extending beyond its full width and depth at least 3 in all directions 30 5 em Installing the water heater NOTICE The water heater should not be installed near an air supply containing halogenated hydrocarbons Inspect Shipment Inspect the water heater for possible damage Check the markings on the rating plate of the water heater to be certain the type of gas supplied corresponds to the water heater requirements Combustion and Ventilation Air Proper operation of the water heater requires air for combustion and ventilation Provisions for combustion and ventilation air must comply with referenced codes and standards DO NOT block or obstruct any of the combustion air inlet openings located around the perimeter of the water heater A minimum of 1 is required between these combustion air inlet openings and any obstruction NOTICE If the water heater is installed in an unconfined space within a building of conventional frame masonry or metal construction infiltration air is normally adequate for proper combustion and ventilation If the water heater is installed in a confined space provisions for combustion and ventilation air must be made DO NOT obstruct or block the Flammable Vapor Sensor A confined sp
32. ith local codes and the provided installation instructions v READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY TEN SAVE THESE INSTRUCTIONS Installing the water heater This water heater must be installed in accordance with these instructions local codes utility company requirements and or in the absence of local codes use the latest edition of the American National Standard National Fuel Gas Code A copy can be purchased from either the American Gas Association 400 N Capitol Street NW Washington DC 20001 as ANSI standard Z223 1 or National Fire Protection Association 1 Batterymarch Park Quincy MA 02269 as booklet NFPA 54 Combustion Air Inlet Openings Flammable Vapor Diameter of Sensor le water heater plus 2 min The auxiliary catch pan installation MUST conform to local codes Notice DO NOT allow the catch pan to obstuct the flammable vapor sensor Notice DO NOT allow the flammable vapor sensor to become submerged in water Make sure the catch pan is properly drained A WARNING Combustible construction refers to adjacent walls and ceilings and should not be confused with combustible or flammable products and materials Combustible and or flammable products and materials should never be stored in the vicinity of this or any gas appliance Location The water heater should not be located in an area where leakage from the tank or connections will result in damage to the area adja
33. nly be done by a qualified service technician A new burner access door gasket must be installed on any burner access door that has been removed DON T install this water heater where standing water may occur The base of the water heater is meant to be mounted on a dry surface DON T allow cleaners solvents or other materials to come into contact with the Flammable Vapor Sensor DON T operate the water heater if the sight glass or burner access door grommet is damaged or broken Sight Glass 7 Installation Checklist A Water Heater Location Q Close to area of vent Q Indoors and protected from freezing temperatures U Proper clearance from combustible surfaces observed and water heater not installed on carpeted floor Q Sufficient fresh air supply for proper operation of water heater Q Air supply free of corrosive elements and flammable vapors B Water Supply Q Water heater completely filled with water Q Air purged from water heater and piping C Gas Supply Q Gas line equipped with shut off valve union and sediment trap Q Approved pipe joint compound used Q Verify gas supply pressure with main burner ON D Relief Valve L Temperature and Pressure Relief Valve properly installed and discharge line run to open drain E Venting Q Heater vented separately from all other appliances U Proper materials and techniques used in vent assembly L Vent pipe prop
34. oise 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 is exposed at either end of the rod Make sure the cold water supply is turned off before removing anode rod This water heater incorporates a combustion shut off device that shuts the operation of the water heater down if undesirable combustion conditions occur such as the presence of flammable vapors or blockage of the combustion air inlet openings Please contact a Qualified Service Technician if this occurs 23 Care and cleaning of the water heater ADANGER Combustible materials such as clothing cleaning materials or flammable liquids etc must not be placed against or next to the water heater Proper burner flame pattern 24 Housekeeping Visually inspect the pilot To ensure sufficient ventilation and combustion air supply proper clearances must be maintained When installed in a closet DO NOT block or obstruct any of the combustion air inlet openings located around the perimeter of the water heater A Venting System Inspection The water heater s internal flue must be inspected annually to be certain it is clean by removing the inducer and flue baffle When reinstalling the flue baffle make certain it is hun
35. on Pressure Gauge Nominal 3 4 size mixing or tempering valve Mini 2 0 developed length 3 4 Check Valve with 1 8 Hole refer to warning above Follow mixing or of 3 4 pipe 9 developed lengi 3 4 Tempered 3 4 Shut Off Valve Typ tempering valve manufacturer s instructions for domestic hot water 3 4 cold water suppi installation of the valve Air vent supply to house A n cold water supply Spring loaded check valve in heating unit KA 2 H hot water supply line and cold water return line not supplied with water heater a 3 4 Shut Off Valve Typ NOTE This check valve is incorporated L oa L ii in some heating units Refer to the NOD To installation instructions supplied with sp Fi Heat Trap specific heating unit to determine if it is J 6 Min required Off Valve Typ required not supplied with water heater Hot water to space heater Isolation valve in hot water supply line to heating unit not supplied with water heater II A Hot water coil AER D B EA See diagrams above for proper All brohze pump pipe application for vertical i or horizontal supply lines q Vv Jae z I 2 Gallon Thermal SL re os Expansion Tank if j 1I Check valve internal in pump Air bhid valve I Water kapte Tap N Nh Temperature and Pressure Relief Valve tie to location approved by local code Gas line to water heater PY iit q fy D
36. ower motor and go into a stand by mode awaiting the next call for heat 22 This water heater is equipped with a flammable vapor sensor that is monitored continuously by the electronic control in all modes of operation In the event that flammable vapors are detected the control will automatically shut down the water heater and prevent the water heater from being started again The following is a list of materials that will cause the Flammable Vapor Sensor to shut down the water heater Vapors of Gasoline Vapors of certain flammable paints stains and thinners Vapors of vent pipe Cement amp Solvents Bleach direct contact with flammable vapor sensor Some other flammable materials and their vapors If the flammable vapor sensor shuts down the water heater then the electronic control will display the appropriate error code and you should then promptly contact a qualified service technician Refer to the Notice on page 3 for additional information 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 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 ADANGER Hotter water increases the potential for Hot Water Scalds ADANGER Failure to perform the recommended Routine
37. pilot or main burner can ignite these vapors and create a shut down condition of the water heater which will not allow the water heater to ignite until examined by a Qualified Service Technician Rheem Water Heating FVIR certified gas water heaters can be installed on a residential garage floor without the use of an 18 stand in accordance with the National Fuel Gas Code NFPA 54 ANSI Z223 1 2006 paragraph 9 1 10 Installation in Residential Garages unless otherwise directed by State and Local code requirements The water heater must be located so it is not subject to physical damage for example by moving vehicles area flooding etc Hot water lines should be insulated to conserve water and energy The water heater and water lines should be protected from exposure to freezing temperatures Do not install the water heater in bathrooms bedrooms any occupied rooms normally kept closed or in unprotected outdoor areas Minimum clearance from combustible construction amp 3 1 Alcove 7 6 cm 2 5 cm If the clearances stated on the Instruction Warning Label located on the front of the heater differ install the water heater according to the clearances stated on the label If the water heater is installed in an alcove or closet the entire floor must be covered by a wood or metal panel A minimum of 24 clearance from the front and top should be available for adequate inspection and servicing T
38. pted from the National Fuel Gas Code Latest Edition 13 Installing the water heater 120 V NEUT Wiring If local codes permit the water heater may be connected to electric service with the power cord provided DO NOT use an extension cord A grounding receptacle is required If local codes do not permit the use of cord connections a 120 V 50 60 Hz power supply with suitable disconnecting means must be connected to the black and white leads in the heater control enclosure A knock out hole is provided to permit use of conduit or metal clad cable connectors The maximum current draw is approximately 5 0 amps CONNECTION DIAGRAM PRESSURE SWITCH INDUCER GROUND The water heater must be electrically grounded in accordance with local codes or in the absence of local codes in accordance with latest edition of the National Electric Code ANSI NFPA No 70 Refer to the figures below for water heater internal wiring NOTE It is not recommended that this unit be installed on a GFCI circuit H SCHEMATIC Q ps O 3 x 2 CONNECTOR En P3 TS1 o n e 2 Z 5 O TS2 oO W t t gt P2 FV o g amp TS1 2 j afee HT HT KES EI E1 1 w y FV PILOT ELECTRODE ASSY w GND 4 I N A _ 120VAC _ gt A BLACK BLUE G GREEN RED WHITE YELLOW P1 2 3 4 1a L y N
39. rect Replace pressure switch Three Flash three second pause Pressure switch failed open Vent blockage or improper insallation switch tube blockage faulty switch blower improper operation or temperature switch open Pressure switch wiring incorrect Replace pressure switch Air intake or exhaust obstructed Replace blower temperature switch Replace blower Four Flash three second pause_ TCO limit lockout Thermal well fault gas control fault or tank is not filled with water n BR WN RH dN RH 1wWhN ee Reset valve and check for proper valve cycling 2 Make sure tank is full of water Five Flash three second pause Flame out of sequence Pilot or burner valve has failed open 1 Replace gas valve control Insufficient gas supply unstable pilot Sir One Flash Failed trial for ignition carbon buildup on electrode or wire pilot ae gas SUPP ly three second pause 2 Replace pilot tube damage 1 Pressure switch wiring incorrect Vent blockage or improper installation 2 Replace pressure switch Six Two Flash Recycle limit PS limit switch tube blockage faulty switch 3 Air intake or exhaust obstructed blower improper operation blower tem 4 Replace blower temperature switch three second pause opened perature switch open or excessive wind at 5 Replace blower vent termination 6 Check for vent termination compli ance as stated in this manual Six Three Flash th
40. ree second pause Six Four Flash three second pause Recycle limit flame lost Soft Lockout flame out of sequence sensed Pilot tube restriction low gas supply pres sure carbon buildup on electrode wire pilot tube damage or combustion air port blockage Valve stuck in open position 1 Gas supply pressure is low Jacket air holes obstructed 3 Pilot replacement 1 Replace gas valve control Seven Flash three second pause Flammable vapor sensor lockout Gasoline or other flammable gas was detected near the appliance or the sensor has failed 1 Verify no gasoline or flammable va pors are present 2 Reset control using ON OFF switch on the gas control valve Replace the flammable vapor sensor Eight One Flash three second pause FVS fault detected Flammable vapor sensor resistance is out of range wiring to FV sensor is faulty or control is faulty Replace FV sensor Replace FV sensor wiring Replace gas control valve Eight Two Flash three second pause Temperature sensor fault detected Thermal well fault rR N rR Check thermal well wiring connec tion Replace thermal well Eight Three Flash three second pause Electronics fault detected Thermal well fault or gas control fault Replace gas control valve Replace thermal well NR JN Eight Four Flash three second pause Valve fault detected Gas control valve needs to be reset or has b
41. s or the Care and Cleaning section it is recommended that a qualified person or serviceman perform the work Operating Procedure This heater is equipped with an electronically lit pilot to light the main burner The pilot is automatically lit each time there is a demand for heating the water On initial start up it is recommended that the outer door be removed leave inner door in place for safety to determine if the pilot and main burner are operating properly Once filled with water it is necessary to plug the power cord in and make sure the ON OFF switch located on the blower assembly is in the ON position and the gas control switch is in the ON position Water Temperature Setting The temperature of the water in the water heater can be regulated by turning the knob on the front of the gas control thermostat Safety and energy conservation are factors to be considered when selecting the water temperature setting of the water heater s gas control thermostat s The lower the temperature setting the greater the savings in energy and operating costs To comply with safety regulations the gas control thermostat was set at 120 F before the water heater was shipped from the factory The recommended starting point temperature is 120 F The blower will start and within seconds the pilot will light followed by the main burner After the main burner ignites replace the outer door If no main b
42. s than 3 8 psi 10 5 w c for natural gas or 1 2 psi 14 w c for LP gas 11 12 Installing the water heater A WARNING Failure to install a water heater suitable for the altitude at the location it is intended to serve can result in improper operation of the appliance resulting in property damage and or producing carbon monoxide gas which could result in personal injury or death ADANGER Failure to properly vent the water heater to the outdoors as outlined in the Venting section of this manual will result in unsafe operation of the water heater causing bodily injury explosion fire or death To avoid the risk of fire explosion or asphyxiation from carbon monoxide NEVER operate the water heater unless it is properly vented and has adequate air supply for proper operation as outlined in the Venting section of this manual Vent Screw Figure 1 3 Inch Gas Vent Application High Altitude This water heater is suitable and certified for use at high altitude Refer to the altitude label on the water heater for maximum allowable installation altitude Venting Double wall vent connectors must be securely attached to the inducer outlet to connect the water heater to the gas vent see figures below The vent connectors must be the same size diameter as the outlet or larger never smaller Excerpts of the most commonly used vent tables are provided on page 13 For proper venting
43. se 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 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 money 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 gas utility NOTICE This water heater is equipped with a flammable vapor sensor that will automatically shut down the water heater in the presence of gasoline vapors and some other flammable vapors If the flammable vapor sensor shuts down the water heater contact a qualified service technician Clear any hazardous materials and ventilate the area around the water heater Do not turn off the appliance or adjust the ON OFF switch in any way Do not tamper with the flammable vapor sensor Do not submerse the flammable vapor sensor in
44. 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 apply insulation to the top of the water heater This will interfere with the safe operation of the blower assembly Do not cover the burner access door jacket door gas control thermostat gas valve or pressure and temperature relief valve Do not apply insulation to the bottom of the water heater or the area where the combustion air inlet openings and Flammable Vapor Sensor are located This area must be unobstructed so as not to restrict combustion air flow to the burner or operation of the sensor Inspect the insulation blanket frequently making certain it has not sagged and it is not restricting the air flow to the combustion air inlet openings perforation holes or the Flammable Vapor sensor located around the lower perimeter of the water heater jacket This could result in an unsafe operating condition Hot and Cold Pipe Insulation Installation oo C Typical vertical piping arrangement For increased energy efficiency some water heaters have been supplied with two 24 sections of pipe insulation Typical horizontal piping arrangement Please install the insulation according to the illustrations above that best meets your requirements 15 In
45. stalling the water heater 16 Heat Trap For increased energy efficiency some water heaters have been supplied with factory installed 3 4 NPT heat traps in the hot outlet line and cold water inlet line These heat traps may require a minimum of one 1 90 3 4 NPT elbow and may require an additional 90 3 4 NPT elbow or a 3 4 coupling depending on your installation needs See Illustration of nipples and heat traps on page 29 During Installation of this water heater DO Q DO check inlet gas pressure with main DON T Q DON T block or restrict Combustion Air burner ON to ensure that it is within the range specified on the rating plate DO provide adequate air for combustion and ventilation as discussed in the Use and Care Manual and the National Fuel Gas Code DO maintain proper clearances to combustibles as specified on the rating plate DO ensure that the venting system complies with the guidelines found in the Use and Care Manual and National Fuel Gas Code DO contact a qualified service technician if the main burner will not stay lit The burner chamber is designed to be sealed utilizing a gasket and tamper resistant screws Burner Access Door Grommet Flammable Vapor Sensor Inlet Openings or the Flammable Vapor Sensor located around the lower portion of the water heater jacket DON T remove the Burner Access Door unless absolutely necessary This should o
46. sult in serious injury or death A Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance Storage of or use of gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance can result in serious injury or death 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 a water heater s gas control 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 A DANGER Water temperature over 125 F 52 C 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 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 Water Temperature Time To Produce a Serious Burn D
47. sure If horizontal ducts are used to communicate with the outdoors each opening must have a minimum net free area of not less than one square inch per 2000 Btuh of the total input rating of all the appliances in the enclosure If ducts are used the minimum dimensions of rectangular air ducts shall not be less than 2 NOTICE If the duct openings which supply combustion and ventilation air are to be covered with a protective screen or grill the net free area openings in the material of the covering material must be used in determining the size of the openings Protective screening for the openings MUST NOT be smaller than 1 4 mesh to prevent clogging by lint or other debris Propellants from common spray cans or gas leaks from A C and refrigeration equipment are highly corrosive after passing through a flame The water heater warranty is voided when failure of the heater is due to operation in a corrosive atmosphere IMPORTANT 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 cold water connections on heater Any heat applied to the cold water supply fittings will permanently damage the dip tube and heat traps NOTICE The National Fuel Gas Code NFGC mandates a manual gas shut off valve See NFGC for complete instructions Local codes or plumbing authority requirements may vary from the instructions or di
48. t 1 2 seconds 155 F About 1 second 130 F Table courtesy of Shriners Burn Institute 21 Operating the water heater Sequence of Operation 1 During initial start up or a call for heat the control will verify the vacuum switch is open 2 Once the control verifies the blower vacuum switch is open the control will energize the blower motor for the pre purge sequence approximately 5 seconds 3 The control will verify the blower vacuum switch has closed ensuring that the blower is functioning properly and that the venting system is not blocked 4 The control will then proceed through a sequence of self diagnostics before initiating a trial for ignition 5 During the trial for ignition the pilot will spark in an attempt to light the pilot Once the pilot flame is established the main gas valve will open allowing gas to flow to the main burner 6 The main burner and pilot will remain lit throughout the heat cycle until the water temperature setting is reached 7 Once the water temperature setting is reached the control will close the main gas valve and pilot valve which will extinguish both the main burner and pilot burner flames 8 The blower motor will stay energized for an additional 30 seconds after the control verifies that the burner flame is extinguished in order to clear combustion gases from the water heater 9 After the post purge sequence the control will de energize the bl
49. t of people with dates who have been contacted regarding your problem oO 32
50. uilding Leave the doors open for ventilation and contact the gas supplier a qualified LP appliances should not be installed service agency or the fire department below grade for example in a basement if such installation is prohibited by federal state and or local laws rules regulations or customs Stay away from the house or building until the service call has been made the leak is corrected and a qualified agency has determined the area to be safe LP gas must be used with great caution It is heavier than air and will collect first in lower areas making it hard to detect at nose level Before attempting to light the water heater make sure to look and smell for gas leaks Use a soapy solution to check all gas fittings and connections Bubbling at a connection indicates a leak that must be corrected When smelling to detect a gas leak be sure to sniff near the floor also Gas detectors are recommended in LP amp natural gas applications and their installation should be in accordance with the detector manufacturer s recommendations and or local laws rules regulations or customs It is recommended that more than one method such as soapy solution gas detectors etc be used to detect leaks in gas applications 5 IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING AWARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion ele
51. ure Setting of The Water Heater section of this manual Gas Control Thermostat Defective Contact a qualified service technician to replace the gas control thermostat CAUTION Make certain power to water heater is OFF before removing protective cover FOR ANY REASON CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation VERIFY PROPER OPERATION AFTER SERVICING CAUTION For your safety DO NOT attempt repair of gas piping gas control thermostat burners vent connectors or other safety devices Refer repairs to qualified service personnel 27 Gas Valve LED Codes ge STATUS PROBLEM PROBABLE CAUSE SOLUTION Short flash once every four seconds IDLE no call for heat no fault conditions Temperature setpoint achieved and burner is off No solution required Heartbeat alter nates bright dim Call For Heat no fault condi tions Water temperature is below setpoint and burner is on No solution required One Flash three second pause Low flame signal control continues to operate Pilot tube restriction carbon buildup on electrode pilot wire damage or gas supply Gas supply pressure is low Low voltage supply Pilot replacement Two Flash three second pause Pressure switch failed closed Pressure switch tube blockage or faulty pressure switch Pressure switch wiring incor
52. urner flame is established the gas control will go through three trials for ignition before going into a lock out A warning light will alert the user of this lock out condition If this happens refer to Troubleshooting Guide 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 located on the water heater near the gas control thermostat 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 See page 4 for more details The chart on the next page may be used as a guide in determining the proper water temperature for your home Water Temperature Setting Maximum water temperatures occur just af The gas control thermostat is also equipped ter the burner has shut off To determine the with a gas shutoff device that will shut off water temperature turn on a hot water faucet the gas supply to the burner if the water and place a thermometer in the water stream heater exceeds normal operating tempera tures Refer to the Before You Call For Service section of this manual or contact your dealer A WARNING Should overheating occur or the gas supply fail to shut off turn off the manual gas control valve to the appliance NOTICE Replace any part of the
53. using property damage personal injury or death A FOR YOUR SAFETY If you cannot reach your gas supplier call the fire department Do not store or use gasoline or other flammable vapors or liquids or other Do not return to your home until authorized combustible materials in the vicinity of this or by the gas supplier or fire department any other appliance To do so may result in an explosion or fire Improper installation adjustment alteration service or maintenance can cause property WHAT TO DO IF YOU SMELL GAS damage personal injury or death Refer to this manual Installation and service must be performed by a qualified installer service Do not touch any electrical switch do not agency or the gas supplier use any phone in your building Do not try to light any appliance Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions DESIGN CLAS Printed in USA LRT o AP15696 11 10 Safety Information Safety Precautions 3 6 Gasil Viodels eee eee 5 Installation Instructions ocat omt ea sees eee T Water Supply Connections 9 GaSSUPPIN E T 11 WEE os accscccouvanc 12 13 Wiring Diagram 14 Ripe insulation eee eee 15 Inleett NBIOS sconces coecasce 16 Installation Checklist 17 Potable Space Heating 18 Operating Instructions Lighting Instructions 19 Water Temperature 20 21 Care
54. water Do not allow the flammable vapor sensor to come into contact with any substances such as bleach or cleaners See the Gas Valve LED Error Code Section of this manual for a list of error codes ADANGER PROPERLY VENT THE WATER HEATER Failure to properly vent the water heater to the outdoors as outlined in the Venting Section of the Installation Instructions in this manual can result in unsafe operation of the water heater To avoid the risk of fire explosion or asphyxiation from carbon monoxide never operate this water heater unless it is properly vented and has an adequate air supply for proper operation Be sure to inspect the vent system for proper installation at initial start up and at least annually thereafter Refer to the Care and Cleaning section of this manual for more information regarding vent system inspection A AWARNING Gasoline as well as other flammable materials and liquids which include but are not limited to adhesives solvents paint thinners etc and the vapors they produce are extremely dangerous DO NOT handle use or store gasoline or other flammable or combustible materials anywhere near or in the vicinity of a water heater or any other appliance Be sure to read and follow warning label pictured below and other labels on the water heater as well as the warnings printed in this manual Failure to do so can result in property damage bodily injury or death FIRE AND EXPLOSION HAZARD Can re
55. y service personnel qualified in gas appliance repair It is suggested that a routine preventative maintenance program be established and followed by the user 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 NOTICE If the temperature and pressure relief valve on the 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 A water heater s tank can act as a settling basin for solids suspended in the water It is therefore not uncommon for hard water deposits to accumulate in the bottom of the tank If allowed to accumulate these solids can cover the gas control thermostat sensors causing the sensors to operate erratically Because accumulated solids can prevent the gas control thermostat sensors from accurately reading the water temperature the water at the fixture can be hotter than the gas control thermostat setting 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 n
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