Rheem PVR50-80 (NAT) Water Heater User Manual
Contents
1. 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 less than 3 8 psi 10 5 w c for natural gas or 1 2 psi 14 w c for LP gas For installations above 5 999 feet Please contact your local distributor or place of purchase for a high altitude model 11 Installing the water heater The water heater must be installed with the factory supplied draft hood in place ADANGER Failure to install the draft hood and 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 AWARNING If local codes require external application of insulation blanket kits the manufacturer s instructions included with the kit must be carefully followed 12 Venting Vent connectors must be attached to the draft hood outlet to connect the water heater to the gas vent or chimney The vent connectors must be the same size diameter as the draft hood or larger never smaller For proper venting in certain installations a larger ven2. A minimum of 1 is required between these combustion air inlet openings and any obstruction 19 20 Care and cleaning of the water heater Proper burner and pilot burner pattern 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 Venting System Inspection The water heater s internal flue must be inspected annually to be certain it is clean by removing the draft hood and flue baffle When reinstalling the flue baffle make certain it is hung securely by its hanger at the top of the flue way Reinstall the draft hood Inspect the gas venting system and the chimney Make certain the vent connector from the draft hood to the chimney is properly positioned and securely attached Burner Inspection Visually inspect the pilot burner and main burners annually Through the sight glass inspect the pilot burner flame with the main burner off and inspect the main burner while firing If any unusual burner operation is noted the water heater should be shut off until qualified service assistance can be obtained If after inspection of the vent system you found soot or deterioration call the local gas utility to
3. Contact a licensed plumber or the local plumbing authority for further information See page 4 for more details The chart below may be used as a guide in determining the proper water temperature for your home Time Temperature Relationship in Scalds d Water Temperature Time To Produce a Serious Burn D 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 17 Operating the water heater Water Temperature Setting Maximum water temperatures occur just after the burner has shut off To determine the water temperature turn on a hot water faucet and place a thermometer in the water stream The wide reference mark near WARM on the rim of the temperature dial represents an approximate water temperature of 120 F The long wide reference mark to the left represents an approximate water temperature of 130 F Each reference mark above or below these points indicates an approximate change of 10 F To adjust the temperature turn the temperature dial to an initial setting of 120 F A condition known as stacking or layering 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 ou
4. Extended Shut Down 20 Troubleshooting Tips Before You Call HOP SEAMED cooccnccnc 2122 Customer Service Parts List ae e eee 23 If You Need Service 24 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 These words mean A DANGER An imminently hazardous situation that will result in death or serious injury A WARNIN
5. condensation continues examine the piping and fittings for possible leaks 10 AWARNING Do not attempt to convert this water heater for use with a different type of gas other than the type shown on the rating plate Such conversion could result in hazardous operating conditions A WARNING Never use an open flame to test for gas leaks as property damage personal injury or death could result 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 Gas Supply The branch gas supply line to the water heater should be clean 1 2 black steel pipe 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 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 Leak Testing The water heater and its gas connections must be leak tested at normal operating pressures before it is placed in operat
6. discharge line should not water heater as marked on its rating plate 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 Position the outlet of the relief valve above a suitable open drain to eliminate potential water damage Piping used should be of a type approved for hot water distribution A WARNING The tank To Fill the Water Heater must be full of water before heater is turned on The water heater warranty does not cover damage or failure Make certain that the drain valve is closed then open the shut off valve in the cold water supply line resulting from operation Open each hot water faucet slowly to with an empty or partially allow the air to vent from the water empty tank heater and piping A steady flow of water from the hot water faucet s indicates a full water heater Condensation Condensation can form on the tank Additional information on this subject when it is first filled with water may be found at www rheem com under Condensation might also occur with a Library scroll down to the Technical heavy water draw and very cold inlet Service Bulletins 1400 Series Section and water temperatures choose Bulletin 1402 Drops of water falling on the burner can produce a sizzling or pinging sound This condition is not unusual and will disappear after the water becomes heated If however the
7. lines will be purged through the domestic water faucets and showers DANGER When this system requires water for space heating at elevated temperatures above 125 F 52 C a mixing or tempering valve must be installed in the hot water supply line to the house in order to reduce the scald hazard potential ADANGER Any piping or components used in the installation of this water heater in a combination potable and space heating application must be suitable for use with drinking water ADANGER If this water heater is installed in an application intended to supply domestic hot water needs and hot water for space heating purposes do not connect the heater to an existing heating unit or components of a heating system that have previously been used with a non drinking water system Toxic chemicals such as those used for boiler treatment may be present and will contaminate the drinking water supply causing possible health risks Never introduce toxic chemicals such as those used for boiler treatment into this system Typical Piping Diagram for Combination Potable Space Heating Installation Spring loaded check valve in heating unit hot water supply line and cold water return line not supplied with water heater NOTE This check valve is incorporated in some heating units Refer to the installation instructions supplied with specific heating unit to determine if it is required Isolation valve in hot water supply line
8. may result causing property damage personal injury or loss of life This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly BEFORE LIGHTING smell all around the appli ance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electric switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions STOP READ THE SAFETY INFORMATION ABOVE ON THIS LABEL TURN GAS COCK KNOB CLOCKWISE N TO OFF POSITION GAS cock TURN TEMPERATURE DIAL COUNTERCLOCK WISE TO LOWEST SETTING WAIT FIVE 5 MINUTES TO CLEAR OUT ANY GAS IF YOU SMELL GAS STOP FOL LOW B IN THE SAFETY INFORMATION ABOVE ON THIS LABEL IF YOU DO NOT SMELL GAS GO TO NEXT STEP REMOVE THE OUTER DOOR FROM THE WATER HEATER DO NOT ATTEMPT TO REMOVE INNER DOOR LOCATE PIEZO IGNITOR STRIKER IT IS DIRECTLY TO THE RIGHT OF GAS CONTROL PILOT gt i BURNER a CLOCKWISE TO PILOT POSITION WISE TO LOWEST SETTING TURN THE GAS COCK KNOB COUNTER 4 e If you cannot reach your gas supplier call the fire department C Use only your hand to turn the gas control knob Never use tools If the knob will not turn by hand don t try to
9. minutes of main bumer operation Use a flame of a match or candle or smoke The flame or smoke should be pulled into the draft hood s relief opening s ACAUTION 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 apply insulation to the top of the water heater This will interfere with the safe operation of the draft hood Do not cover the burner access door jacket door gas control thermost at 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 are located This area must be unobstructed so as not to restrict combustion air flow to the burner Inspect the insulation blanket frequently making certain it has not sagged and is restricting the air flow to the combustion air inlet openings perforation holes located around the lower perimeter of the water heater jacket This could result in an unsafe operating condition Hot and Cold Pipe Insulation Installation Typical vertical piping arrangement For increased energy efficiency some water heaters have been supplied with two 24 sections of pipe insu
10. repair it call a qualified service technician Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified ser vice technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS 8 PUSH DOWN ON THE RED BUTTON UNTIL IT COMES TO REST ON THE TOP OF CON TROL IT MUST CLEAR THE NOTCH PRO VIDED IN THE GAS COCK KNOB HOLD RED BUTTON DOWN AND PRESS PIEZO IGNITOR SEVERAL TIMES UNTIL PILOT IS LIT THE PILOT FLAME CAN ONLY BE SEEN THRU THE SIGHT GLASS LOCATED ON THE INNER DOOR CONTINUE TO HOLD THE RED BUTTON IN FOR ABOUT ONE 1 MINUTE AFTER THE PILOT IS LIT RELEASE BUTTON AND IT WILL POP BACK UP PILOT SHOULD REMAIN LIT IF IT GOES OUT REPEAT STEPS 2 THROUGH 8 e IF BUTTON DOES NOT POP UP WHEN RELEASED STOP AND IMMEDIATELY CALL YOUR SERVICE TECHNICIAN OR GAS SUPPLIER piezo _e F THE PILOT WILL NOT STAY LIT AFTER ELECTRODE SEVERAL TRIES TURN THE GAS COCK KNOB TO OFF AND CALL YOUR SERVICE TECHNICIAN OR GAS SUPPLIER REPLACE OUTER DOOR TURN GAS COCK KNOB COUNTERCLOCK WISE amp TO ON TURN THE TEMPERATURE DIAL TO THE DESIRED SETTING TO TURN OFF GAS TO APPLIANCE TURN TEMPERATURE DIAL COUNTERCLOCK 2 TURN GAS COCK KNOB CLOCKWISE TO OFF POSITION 16 Operating the water heater CAUTION Hy
11. service on the water heater Date of original installation and dates any service work was performed e Details of the problems as you can best describe them List of people with dates who have been contacted regarding your problem If you need a manual in Spanish please refer to our website www rheem com Si requiere de un manual de uso y cuidado en espanol Usted puede obtanerlo en www rheem com
12. soot ae 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 pilot burner Air in gas line Proper operation 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 Pilot burner orifice clogged The pilot burner should be cleaned or replaced by a qualified service technician Pilot burner tube pinched or clogged The pilot burner should be cleaned repaired or replaced by a qualified service technician Gas Cock Knob not correctly positioned Pilot burner does not stay Loose thermocouple when the RED button is released See the Lighting The Water Heater section of this manual The connection at the gas control thermostat should be tightened by a qualified service technician Thermocouple defective The thermocouple should be replaced by a qualified service technician Safety magnet defective The gas control thermostat should be replaced by a qualified service technician Gas Controls Thermostat s single use gas shut off device has opened Combustion Shutoff Device T
13. to heating unit not supplied with water heater See diagrams above for proper pipe application for vertical or horizontal supply lines Temperature and Pressure Relief Valve Gas line to water heater Water Heater Jacket Temperature and pressure relief valve discharge line Combustion Air Inlet Openings Air vent Mixing or tempering valve refer to warning above heater Domestic hot water supply Isolation valve in cold water return line from heating unit not supplied with water heater Drain valve not supplied with water Incoming cold water supply Thermal Expansion Tank if required not supplied with water heater Shut Off Valve Cold water return line from heating unit a Heating unit Hot water supply line into heating unit 15 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 FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly a fire or explosion
14. unless it is specifically recommended in this manual All other servicing should be referred to a qualified technician Use this appliance only for its intended purpose as described in this Use and Care Manual Be sure your appliance is properly installed in accordance with local codes and the provided installation instructions O READ AND FOLLOW THIS SAFETY INFORMATION lt CAREFULLY 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 Diameter of lt water heater i plus 2 min i The auxiliary catch pan installation MUST conform to local codes Top View Alcove Rear Front Open Top View Closet Rear ANAA RNY X STN VN N x WY Ms Front Enclosed 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 s
15. 5 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 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 J 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 ADANGER 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 17 and 18 for more details The temperature of the water
16. G 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 ADANGER INSTALL THE DRAFT HOOD AND PROPERLY VENT THE WATER HEATER Failure to install the draft hood and 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 thi
17. Use amp Care Manual With Installation Instructions for the Installer Residential Gas Water Heaters Residential 30 38 40 and 50 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 imperative that all persons who are expected to install operate or adjust this water heater read the instructions carefully so they may understand how to perform these operations If you do not understand these instructions or any terms within it seek professional advice Any questions regarding the operation maintenance service or warranty of this water heater should be directed to the seller from whom it was purchased If additional information is required refer to the section on If you need service Do not destroy this manual Please read carefully and keep in a safe place for future reference Recognize this symbol as an indication of Important Safety Information 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 r
18. ach 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 enclosure 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 FR 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 Vacuum Relief Valve Not Supplied If required install per local codes and v
19. 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 by 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 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 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 Housekeeping Visually inspect pilot burner and relight if necessary To en
20. alve manufacturer s instructions 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 diagrams 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 dangerous pressure increase in the water heater and system piping This rapid pressure increase can quickly reach the safety setting
21. and ventilation If the water heater is installed in a confined space provisions for combustion and ventilation air must be made A confined space 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 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 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 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 e
22. ater faucets Make sure all faucets are closed Combustion Shutoff System tripped The gas control thermostat is set too high Contact a qualified service technician See the Water Temperature Setting of The Water Heater section of this manual Gas Control Thermostat Defective Combustion Shutoff System tripped Contact a qualified service technician to replace the gas control thermostat Contact 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 Replacement Parts For 30 38 40 and 50 gallon models using natural or LP gas Instructions For Placing a Parts Order All parts orders should include 3 Part description as noted below and 4 The model and serial number of the oe Ree ee water heater from the rating plate ACAUTION For your safety DO NOT attempt repair of gas piping g Specify type of gas natural or LP gas control thermostat burners as marked on the rating plate vent connectors or other safety devices Refer repairs to qualified service personnel Burner Assembly Kit lt Heat Trap Draft hood a ee zE ipple Heat Trap gt Flue baffle and hanger Nipple Dip tube Anode rod 3 n e Dip tube gasket p HI CED Temperature and pressure relef valy The k
23. correct the problem and clean the flue or replace the flue flue baffle and venting system before resuming operation of the water heater Test for spillage at the draft hood relief opening after 5 minutes of burner operation Use a flame of a match or candle or smoke CAUTION For your safety cleaning of the burner must be performed only by qualified service personnel 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 The burner can also be cleaned by scrubbing with mild detergent 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 placi
24. cove 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 The 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 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 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 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
25. drogen 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 Safety Precautions A Do turn off manual gas shut off valve if water heater Do Not store or use gasoline or other flammable E has been subjected to over heating fire flood vapors and liquids such as adhesives or paint thinner physical damage or if the gas supply fails in vicinity of this or any other appliance to shut off B Do Not turn on water heater unless it is completely filled with water Cc 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 A DANGER 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 If such flam
26. esult causing property damage personal injury or death A FOR YOUR SAFETY Do not store or use gasoline or other If you cannot reach your gas supplier call flammable vapors or liquids or other the fire department combustible materials in the vicinity of this or any other appliance To do so may result in an explosion or fire Do not return to your home until authorized by the gas supplier or fire department Improper installation adjustment alteration WHAT TO DO IF YOU SMELL GAS service or maintenance can cause property Do not try to light any appliance damage personal injury or death Refer to this manual Installation and service must be performed by a qualified installer service agency or the gas supplier Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions AP12668 5 01 05 Printed in USA Safety Information Safety Precautions 3 6 LP Gas Models 5 Installation Instructions TEQCATIONE ey eee ree 7 Water Supply Connections 9 Gas Supply 11 Pipe Insulation 13 Heatiiraps r e eee 13 Installation Checklist 14 Potable Space Heating 15 Operating Instructions Lighting Instructions 16 Water Temperature 17 18 Care and Cleaning Drain eee 19 Maintenance 19 Burner Inspection 20
27. ethod such as soapy solution gas detectors etc be used to detect leaks in gas applications IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING 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 FOR INSTALLATIONS IN THE STATE OF CALIFORNIA California Law requires that residential water heaters must be braced anchored or strapped to resist falling or horizontal displacement due to earthquake motions For residential water heaters up to 52 gallon capacity a brochure with generic earthquake bracing instructions can be obtained from Office of the State Architect 400 P Street Sacramento CA 95814 or you may call 916 445 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
28. in the heater can be regulated by setting the temperature dial on the front of the gas control thermostat To comply with safety regulations the gas control thermostat was set at its lowest setting before the water heater 120 F f 1100F Was shipped from the 100 F factory The illustration at the left details the approximate water temperature for each mark on the Gas Control Thermostat Temperature Dial Temperatures are approximate A DANGER Hotter water increases the potential for Hot Water SCALDS 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 different from natural gas models A A DANGER If a pas leaks PReene ur F 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 Do not try to light any appliance convert the water heater from natural gas to LP gas To avoid possible equipment damage personal injury or Do not use any phone in your building fire do no
29. ion 1 Turn on the manual gas shut off valve near the water heater 2 Use a soapy water solution to test for leaks at all connections and fittings Bubbles indicate a gas leak that must be corrected resistant to the action of LP gas Use compound sparingly on male threads only A sediment trap should be installed at the bottom of the gas line Do not use excessive force over 31 5 ft lbs 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 High Altitude Ratings of gas appliances are based on sea level operation and need not be changed for installations at elevations up to 5 999 feet
30. it provides extra speed clips and tamper resistant screws y Not supplied with all models Drain valve 5 Piezo Ignitor Striker Gas Control Thermostat ee _ Mounting Bracket Burner supply tube Pilot Supply Tube Sight Glass amp Burner orifice gt Jacket Door Pilot Burner and Piezo Electrode Thermocouple Piezo Ignitor Wire Burner Access Door Grommet Burner Access Door 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 f Should your problem not be solved to your complete satisfaction you should then contact the Manufacturer s National Service Department at the following address 2600 Gunter Park Drive Fast Montgomery Alabama 36109 1413 Phone 1 800 432 8373 When contacting the manufacturer the following information will be requested Model and serial number of the water heater as shown on the rating plate attached to the jacket of the heater Address where the water heater is located and physical location Name and address of installer and any service agency who performed
31. lation 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 Typical horizontal piping arrangement Please install the insulation according to the illustrations above that best meets your requirements 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 23 During Installation of this water heater DO DON T DO check inlet gas pressure 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 Q DO maintain proper clearances to combustibles as specified on the rating plate L DO ensure that the venting system complies with the guidelines found in the Use and Care Manual and National Fuel Gas Code LJ DO contact a qualified service technician if the pilot or main burner will not stay lit The burner chamber is designed to be sealed utilizing a gasket and tamper resistant screws L DON T block or restrict Combustion Air Inlet Openings located around the lower portion of the water heater jacket U DON T remove the Burner Access Door unless ab
32. m where liquids which give off flammable vapors are to be used or stored The open flame of the water heater s 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 The water heater must be located so it is not subject to physical damage for example by moving vehicles area flooding etc If local codes require the use of a stand kit to raise the water heater 18 above the floor please contact the store where the water heater was purchased or any water heater distributor These kits must comply with local codes The water heater should be installed as close as practical to the gas vent or chimney Long 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 a T F T ion cove 7 6 cm 0 cm 0 cm 30 5 cm re 3 1 0 12 7 6 cm 2 5 cm 0 cm 30 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 al
33. mables 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 F 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 Water Temperature Setting The temperature of the water in the water heater can be regulated by setting the temperature dial 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 its lowest setting before the water heater was shipped from the factory The recommended starting point temperature is 120 F 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
34. ng 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 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 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 pilot 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
35. 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 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 for servicing if necessary The HOT and COLD water connections are clearly marked and are 3 4 NPT on all models Install a shut off valve in the cold water line near the water heater Typical Installation Vent connector to chimney _ M Pitch up 1 4 7 pe
36. r foot Heat tr 6 imur Bi Draft hood minimum Hot water outlet to Anode fixtures Water Heater Jacket Temperature and pressure relief valve Manual gas shut off gt e x z s eat trap To gas supply gt 6 minimum x To cold water Ground joint union supply Shut off valve Sediment trap tank if required Cap Relief valve discharge line to suitable open drain Thermostatic gas valve Combustion Air Inlet Openings Jacket door Auxiliary catch pan 6 Air gap Drain Pan Pipe to suitable drain 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 Z21 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 Relief Valve The pressure rating of the relief valve The discharge line must be no smaller must not exceed 150 PSI the maximum than the outlet of the valve and must pitch working pressure of the water heater as downward from the valve to allow marked on the rating plate complete drainage by gravity of the The Btuh rating of the relief valve must fe er valye dnd discharpe line equal or exceed the Btuh input of the The end of the
37. ratures are approximate Care and cleaning of the water heater ne 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 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 ADANGER Combustible materials such as clothing cleaning materials or flammable liquids etc must not be placed against or next to the water heater Draining the Water Heater A CAUTION Shut off gas to the water heater at the gas control thermostat gas cock or manual shut off valve before draining water DANGER 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 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
38. ripped The gas control thermostat should be replaced by a qualified service technician The combustion shutoff device should be inspected by a qualified service technician A 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 21 22 Before You Call For Service Problem Rumbling noise Relief valve producing popping noise or draining Not enough or no hot water Water is too hot Pilot Burner Lights but Main Burner will not stay lit Possible Causes Scale and sediment in tank 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 Clean tank 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 pilot burner may be out Check the pilot burner If necessary relight using the instructions in the Lighting The Water Heater section of this manual 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 w
39. s manual for more information regarding vent system inspection AWARNING Gasoline as well as other flammable materials and liquids 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 s Flammable Vapors FIRE AND EXPLOSION HAZARD Can result 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 12
40. solutely necessary This should only 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 U 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 U DON T operate the water heater if the sight glass or burner access door grommet is damaged or broken Burner Access Door Grommet Sight Glass 13 Installation Checklist A Water Heater Location Close to area of vent Indoors and protected from freezing temperatures L Proper clearance from combustible surfaces observed and water heater not installed on carpeted floor L Sufficient fresh air supply for proper operation of water heater Air supply free of corrosive elements and flammable vapors B Water Supply L Water heater completely filled with water Air purged from water heater and piping L Water connections tight and free of leaks C Gas Supply L Gas line equipped with shut off valve union and sediment trap L Approved pipe joint compound used D Relief Valve Temperature and Pressure Relief Valve properly installed and discharge line run to open drain Discharge line protected from freezing E Venting Flue baffle properly hung in top of heater s flue Draft hood properly installed Vent connector s pitched
41. sure sufficient ventilation and combustion air supply proper clearances must be maintained 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 dial 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 noise heard in a water pipe Strategically located risers in the water pipe system or water hammer arresting devices can be used to minimize the problem The anode rod should be removed from the water heater s tank annually for inspection and replaced when more than 6 of core wire 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 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
42. t connect the water heater to a fuel type not in accordance with the unit data plate LP for LP units Natural gas for natural gas units These units are not Leave the doors open for ventilation and certified for any other fuel type contact the gas supplier a qualified service agency or the fire department Do not touch any electrical switch Leave the house immediately and make sure your family and pets leave also LP appliances should not be installed below grade for example in a basement Stay away from the house or building if such installation is prohibited by until the service call has been made the federal state and or local laws rules leak is corrected and a qualified agency regulations or customs 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 m
43. t connector size may be needed Consult the Vent Tables in Appendix G of the latest version of the National Fuel Gas Code ANSI standard Z223 1 or NFPA 54 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 Horizontal vent connectors must be pitched upward to the chimney at least 1 4 per foot of length Single wall vent connectors must be at least 6 from adjacent unprotected combustible surface Vent joints must be securely fastened by sheet metal screws or other approved method Test for spillage at the draft hood relief opening after 5
44. tlet 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 Red Button 130 F 140 F 150 F 160 F Therefore always remember to test the water temperature with your hand before use and remember that hotter water increases the risk of scald injury Also always supervise young children or others who are incapacitated The gas control thermostat is constructed with a built in safety shut off device designed to shut off the gas supply to the burner if the pilot flame is extinguished for any reason The gas control thermostat is also equipped with a single use gas shut off device that will shut off the gas supply to the burner if the water heater exceeds normal operating temperatures 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 If the water heater has been subjected to fire flood or physical damage turn off the manual gas control shut off valve and do not operate the water heater again until it has been checked by qualified personnel NOTICE Replace any part of the gas control system which has been under water Gas cock knob 120 F 110 F 100 F 90 F 80 F 70 F 60 F Temperature dial Tempe
45. tored 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 adjacent 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 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 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 minimum of 1 is required between these combustion air inlet openings and any obstruction Because of natural air movement in a room or other enclosed space flammable vapors can be carried some distance fro
46. upward to chimney C per foot of length minimum 14 Provisions made to protect area from water damage L Sufficient room to service heater Combustible materials such as clothing cleaning materials rags etc clear of the base of the heater U Clearances from combustion air inlet openings observed see page 7 Soap and water solution used to check all connections and fittings for possible gas leak L Gas Company inspected installation if required Vent connector s securely fastened together with screws Single wall vent connector s at least 6 from combustible material Supplemental instructions for gas water heaters installed in potable 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 Hot water t supply to house Hot water supply to From HOT heating outlet on unit water heater Tee fitting for vertical hot water supply lines Hot water iom oo s ly to outlet on Pa g water heater TeS Hot water supply to heating unit Tee fitting for horizontal hot water supply lines Combination Potable and Space Heating Application Tee fitting must be installed as shown This ensures that any air in the water
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