Rheem Professional Classic Plus Series: Ultra Low NOx Powered Damper Use & Care Manual
Contents
1. Valve Set Estimated Point Temperature Burns on Adult Skin LOW 90 F 98 F 105 F 113 F HOT 120 F More than 5 minutes A 130 F About 30 seconds B 140 F Less than 5 seconds C 150 About 1 1 2 seconds VERY HOT 160 F About 1 2 second 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 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 was shipped from the factory The illustration at the left details the approximate water temperature for each mark on the Gas Control Thermostat Temperature Dial ADANGER LIQUEFIED PETROLEUM LP 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 a2. F Wiring Q Correct power supply 24 VAC transformer Q Electrical connection tight Q Heater properly grounded and proper polarity observed Q Sufficient room to service heater L Combustible materials such as clothing cleaning materials rags etc clear of the base of the heater Q Clearances from combustion air inlet openings observed refer to the Location section of the Installing the Water Heater portion of this manual Q Air supply free of corrosive elements and flammable vapors Q Flammable vapor sensor is not blocked L Soap and water solution used to check all connections and fittings for possible gas leak L Gas Company inspected installation if required Q Discharge line protected from freezing Q Vent connector s securely fastened together with screws Q Single wall vent connector s at least 6 from combustible material Q Flue damper properly installed and operating normally 15 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 supply to house Hot water supply to From HOT E ng t outlet on water heater Tee fitting for vertical hot water supply lines Hot water Fr e ae supply to Li Pee water heate
3. Isolation valve in cold water return line from heating unit not supplied with water heater Gas Direct Vent discharge must comply with Local and State Code Combustion Air Inlet Openings TYE 0 ry 3 4 Shut Off Valve Typ Expansion Tank if required not supplied Z with water heater q EP E y 3 4 See se 2 Gallon Thermal j 3 4 HWS amp HWR Vacuum Relief Valve Not Supplied If required install per local codes and valve manufacturer s instructions Pressure Gauge 3 4 Check Valve with 1 8 Hole 3 4 Shut Off Valve Typ f a 3 4 cold water supply Piping loop between water to heater and fan coil shall im be flow guard gold CPVC or equal ACESS Hot water to space heater lI Hot water coil All bronze pump LI Check valve internal in pump Air bleed valve Il Water Sample Tap To HVAC Unit ON OFF Air Handler i Electronically controlled pump timer Activates every 6 hours for 60 seconds Wire to bronze pump 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
4. 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 with local codes and the provided installation instructions Ve P READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY EN 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 Am
5. shall include 1 Detailed instructions for the installation of the venting system design or the venting system components and 2 A complete parts list for the venting system design or venting system d MANUFACTURER REQUIREMENTS GAS EQUIPMENT VENTING SYSTEM NOT PROVIDED When the manufacturer of a Product Approved side wall horizontally vented gas fueled equipment does not provide the parts for venting the flue gases but identifies special venting systems the fol lowing requirements shall be satisfied by the manufacturer 1 The referenced special venting system instructions shall be included with the appliance or equipment installation instructions and 2 The special venting systems shall be Product Approved by the Board and the instructions for that system shall include a parts list and detailed installation instructions e A copy of all installation instructions for all Product Approved side wall horizontally vented gas fueled equipment all venting instructions all parts lists for venting instructions and or all venting design instructions shall remain with the appliance or equipment at the completion of the installation
6. F About 1 second Table courtesy of Shriners Burn Institute 19 20 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 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 ACAUTION Shut off gas to the water heater at the gas control thermostat gas cock or manual shut off 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 allowi
7. Gas Control Thermostat Seven Flashes three second pause System in Lockout Presence of Flamma ble Vapors detected Gasoline or other flammable vapor s were detected Faulty Flammable Vapor Sensor Faulty Gas Control Thermo stat Ensure that no flammable vapor s are present Reset the Gas Control Thermostat using ON OFF switch located on the front of the control Replace Flammable Vapor Sensor Replace Gas Control Thermostat Eight One Flash three second pause System in Lockout Flammable Vapor Sensor fault detected Flammable vapor sensor values out of range Improper Flammable Va por Sensor wiring and or connection s Faulty Flammable Vapor Sensor Inspect the Flammable Vapor Sen sor wiring and connection s Replace Flammable Vapor Sensor Replace Gas Control Thermostat Eight Two Flashes three second pause Eight Three Flashes three second pause System in Lockout Energy cutoff device fault detected System in Lockout Fault in the electronics circuit detected Thermal well fault in Gas Con trol Thermostat Thermal well fault in Gas Con trol Thermostat Faulty Gas Control Thermo stat Inspect the wiring connection s to the thermal well Replace the thermal well Replace thermal well Replace Gas Control Thermostat Eight Four Flashes three second pause System in Lockout Fault with the Gas Control Thermostat Gas Control Thermostat need
8. Switch closed Flue Damper improperly sealed Flue Damper switch stuck closed Faulty Flue Damper motor Obstruction or debris in damper opening Inspect Flue Damper wiring and connections e Replace Flue Damper Assembly Contact a qualified service techni cian See IF YOU NEED SER VICE on page 28 Three Flashes three second pause Four Flashes three second pause_ System in Lockout Flue Damper Switch open System in Lockout Thermal Cutoff Device tripped Flue Damper improperly installed Flue Damper switch stuck open Faulty Flue Damper switch Incorrect wiring and or connections Faulty Flue Damper motor Obstruction or debris in damper Thermal well fault in Gas Control Thermostat Gas Control Thermostat faulty Tank not filled with water Inspect wiring and connections Replace Flue Damper Assembly Contact a qualified service techni cian See IF YOU NEED SER VICE on page 28 e Reset Gas Control Thermostat and check for proper cycling of control e Replace Gas Control Thermostat e Ensure tank is completely filled with water Five Flashes three second pause System in Lockout No Flame Sense Pilot and or Main Burner valve has failed to open Replace the Gas Control Thermostat Six One Flashes three second pause System in Lockout Unit failed to light Pilot flame unstable Pilot tube restricted or damaged Carbon build up on pilot s electrode Pilot igniter wire damged Gas suppl
9. 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 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 Vent connector to chimney Union Heat trap 6 minimum Hot water outlet to fixtures 7 CF Water Heater Jacket Ye Temperature and pressure relief valve Manual gas shut off To gas supply gt Ground joint union Sediment trap Electronic control Jacket door Flammable vapor sensor Auxiliary catch pan Drain Pan Pipe to suitable drain system piping This rapid pressure in
10. for example by moving vehicles area flooding etc The water heater should be installed as close as practical to the gas vent or chimney 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 this water heater in bathrooms bedrooms any occupied rooms normally kept closed or in unprotected outdoor areas Minimum clearance from combustible construction 7 op p 37 0 0 12 7 6 cm 0 cm 0 cm 30 5 cm 3 ise 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 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 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 Shi
11. gas connections must be leak tested at normal operating pressures before it is placed in operation T Turn on the manual gas shut off valve near the water heater 2 Use a soapy water solution to test for 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 42 7 Nm in tightening the pipe joint at the gas control 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 14 0 in w c 3 5 kPa w c for natural 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 leaks at all connections and fittings Bubbles indicate a gas leak that must be corrected 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 individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pr
12. shall be permanently 28 mounted to the exterior of the building at a minimum height of eight 8 feet above grade directly in line with the exhaust vent terminal for the horizon tally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizon tally vented gas fueled equipment shall not approve the installation unless upon inspection the inspector observes carbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR 5 08 2 a 1 through 4 b EXEMPTIONS The following equipment is exempt from 248 CMR 5 08 2 a 1 through 4 1 The equipment listed in Chapter 10 entitled Equipment Not Required To Be Vented in the most current edition of NFPA 54 as adopted by the Board and 2 Product Approved side wall horizontally vented gas fueled equipment in stalled in a room or structure separate from the dwelling building or structure used in whole or in part for residential purposes c MANUFACTURER REQUIREMENTS GAS EQUIPMENT VENTING SYSTEM PROVIDED When the manufacturer of Product Approved side wall horizontally vented gas equipment provides a venting system design or venting system components with the equipment the instructions provided by the manufacturer for installation of the equipment and the venting system
13. 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 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 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 1102 Q Street
14. 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 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
15. 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 Water temperature over 125 F can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded See instruction manual before setting temperature at water heater Feel water before bathing or showering Temperature limiting valves are available see manual Time Temperature Relationship in Scalds Water Temperature Time To Produce a Serious Burn 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 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 AXDANGER Hotter water increases the potential for Hot Water SCALDS
16. N AFTER SERVICING 12 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 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 vent 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 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 he
17. Space Heating Installation Nominal 3 4 size mixing or tempering valve refer to warning above Follow mixing or tempering valve manufacturer s instructions for installation of the valve 2 Z Spring loaded check valve in heating unit hot water supply line and cold water return eS line not supplied with water heater S 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 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 tie to location approved by local code Gas line to water heater Temperature and pressure relief valve discharge line Gas Fired Water Heater Water Heater drain pan installed in accordance with the Local and State Code Water Heater to be in accordance with the Local and State Energy Code All water piping shall be insulated in accordance with Local and State Energy Code Ww E SY 2 Minimum of 2 0 developed length of 3 4 type L copper from the water heater connection 3 4 Tempered domestic hot water Air vent supply to house e Ne wo ep TY Heat Trap 6 Min Off Valve Typ A to Heating Coil Drain valve not supplied with water heater
18. Use amp Care Manual With Installation Instructions for the Installer ca with South Coast Air Quality Management District Rule 1121 10 ng J NOx Emissions Z Residential Gas Low NOx Emissions c Water Heaters WITH DAMPER amp ELECTRONIC CONTROL Residential 38 and 48 Gallon FVIR Certified 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 Cali
19. alve error code table on page 24 ON OFF switch turned off Turn ON Gas Control thermostat shutoff device has tripped Contact a qualified service technician Combustion Shutoff System tripped Water is too hot 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 is Defective Contact a qualified service technician to replace the Gas Control thermostat CAUTION For your safety DO NOT attempt repair of gas piping gas control thermostat burners vent connectors dampers or other safety devices Refer repairs to qualified service personnel 23 Gas Valve LED Codes GAS VALVE LED STATUS PROBLEM PROBABLE CAUSE SOLUTION Short flash once ev ery four seconds Normal Operating Condition No Fault Condition Water Temperature setpoint has been achieved None required Heartbeat alter nates bright dim Calling For Heat No Fault Conditions Water temperature is below setpoint and burner is on None required One Flash three second pause Control still operating Low flame signal Pilot tube restricted or damaged Carbon build up on pilot s electrode Pilot igniter wire damaged Gas supply problems Replace Pilot assembly Correct gas supply Two Flashes three second pause Sytem in Lockout Flue Damper
20. ater 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 linear 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 minutes of main burner 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 If the flame or smoke is not pulled into the draft hood s relief opening shut off the water heater and make proper adjustments repairs to the venting system ACAUTION If local codes require the application of an external insulation blanket to this
21. ber or gasfitter shall observe that a hard wired carbon monox ide detector with an alarm and battery back up is installed on the floor level where the gas equipment is to be installed In addition the installing plumber or gasfitter shall observe that a battery operated or hard wired carbon mon oxide detector with an alarm is installed on each additional level of the dwell ing building or structure served by the side wall horizontal vented gas fueled equipment It shall be the responsibility of the property owner to secure the services of qualified licensed professionals for the installation of hard wired carbon monoxide detectors a In the event that the side wall horizontally vented gas fueled equipment is installed in a crawl space or an attic the hard wired carbon monoxide detec tor with alarm and battery back up may be installed on the next adjacent floor level b In the event that the requirements of this subdivision can not be met at the time of completion of installation the owner shall have a period of thirty 30 days to comply with the above requirements provided however that during said thirty 30 day period a battery operated carbon monoxide detector with an alarm shall be installed 2 APPROVED CARBON MONOXIDE DETECTORS Each carbon monoxide detector as required in accordance with the above provisions shall comply with NFPA 720 and be ANSI UL 2034 listed and IAS certified 3 SIGNAGE A metal or plastic identification plate
22. crease 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 lt _ Pitch up 1 4 per foot Draft hood Anode Union To cold water supply expansion tank if required Shut off valve Relief valve discharge line to suitable open drain Combustion Air Inlet Openings 6 Air gap SS Installing the
23. d inside the water heater The burner can also be cleaned by blowing air over the burner surface Do not allow any large debris to remain inside the burner Refer to page 23 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 21 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 wa
24. d must be installed on the damper housing using the holes provided for alignment and fastening The damper must be in open position as shown in the figure when water heater main burner is operating See trouble shooting instructions if a condition other than this occurs 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 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 properly sized steel pipe or other approved gas piping material A 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 91 4 cm and must meet the requirements in ANSI Z21 24 CSA 6 10 Connectors for Gas Appliances 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 Where a sediment trap is not incorporated as part of the appliance a sediment trap Leak Testing The water heater and its
25. er 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 The burner operates in radiant mode and glows bright orange when burning correctly Allow approximately 30 seconds after turning on for the burner to reach the radiant mode 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 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 The flame or smoke should be pulled into the draft hood s relief opening s If the flame or smoke is not pulled into the draft hood s relief opening shut off the water heater and make proper adjustments repairs to the venting system Acaution 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 inner door lower air box or inner door burner assembly are removed the inner door gaskets burner access door gasket and transition pan gasket must be replaced For cleaning remove the inner door and inner door burner assembly from the water heater A vacuum cleaner can be used on the burner an
26. erican 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 water heater plus 2 min Flammable Vapor Sensor The auxiliary catch pan installation MUST conform to local codes Top View Alcove Front Open Top View Closet Rear AR ANZA WAY DX N SST N NS Z h Front Enclosed Sides 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 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
27. es 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 has been subjected to over heating fire flood physical damage or if the gas supply fails to shut off filled with water shut off valve is closed 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 Do Not turn on water heater unless it is completely Do Not turn on water heater if cold water supply Do Not allow combustible materials such as newspaper rags or mops to accumulate near 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 F if there is any difficulty in understandi
28. essures in excess of 1 2 psi 3 5 kPa The water heater must be isolated from 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 the gas supply piping system by closing it s individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 5 kPa AWARNING Installations above the rated altitude as specified on the altitude label are not authorized and may result in improper and inefficient operation of the appliance producing carbon monoxide gas in excess of acceptable limits which could result in serious injury or death 11 Installing the water heater Wiring Diagram This water heater is factory installed with a 3 pin 24VAC wall transformer A sufficiently long length of wire is provided for easy access to an outlet It is recommended that you do not use an extension cord for powering this water heater CONNECTION DIAGRAM SCHEMATIC DAMPER 3x2 CONNECTOR o oo Oo j END SWITCHES NUETRAL TRANSFORMER WV 4460E CONTROL NUETRAL LCD DISPLAY OPTIONAL Y YELLOW CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation VERIFY PROPER OPERATIO
29. fornia to cause cancer birth defects or other reproductive harm WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors or liquids or other i combustible materials in the vicinity of this or Do not return to your home until authorized any other appliance To do so may result in an by the gas supplier or fire department explosion or fire If you cannot reach your gas supplier call the fire department Improper installation adjustment alteration service or maintenance can cause property WHAT TO DO IF YOU SMELL GAS damage personal injury or death Refer to Do not try to light any appliance this manual Installation and service must be Do not touch any electrical switch do not performed by a qualified installer service use any phone in your building agency or the gas supplier Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions DO NOT RETURN this water heater to the store or place of purchase If you need technical or installation assistance please call the Technical Support Lines at 1 800 432 8373 El manual en Espa ol est disponible en www rheem com AP15873 06 10 Printed in USA Safety Information Safety Precautions 3 6 RG ast iocdel Sie 5 Installation Inst
30. from a qualified person 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 lf you 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 sett
31. ginal installation and dates any service work was performed e Details of the problems as you can best describe them f List of people with dates who have been contacted regarding your problem Important Instructions for the Commonwealth of Massachusetts The Commonwealth of Massachusetts requires compliance with regula tion 5 08 Modifications to NFPA 54 Chapter 10 248 CMR 4 00 and 5 00 for installation of through the wall vented gas appliances as follows 1 Revise NFPA 54 section 10 5 4 2 by adding a second exception as fol lows Existing chimneys shall be permitted to have their use continued when a gas conversion burner is installed and shall be equipped with a manually reset device that will automatically shut off the gas to the burner in the event of a sustained back draft 2 Revise 10 8 3 by adding the following additional requirements a For all side wall horizontally vented gas fueled equipment installed in every dwelling building or structure used in whole or in part for residential purposes including those owned or operated by the Commonwealth and where the side wall exhaust vent termination is less than seven 7 feet above finished grade in the area of the venting including but not limited to decks and porches the following requirements shall be satisfied 1 INSTALLATION OF CARBON MONOXIDE DETECTORS At the time of installation of the side wall horizontal vented gas fueled equipment the installing plum
32. ing Set the thermostat dial to the lowest 10 If the appliance will not operate follow setting the instructions TO TURN OFF GAS TO Slide the ON OFF switch located on acca credit SEIVIGE the gas control to the OFF position Turn off all electric power to the appliance This appliance is equipped with an ignition device which automatically 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 in the 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 AX5063 18 Operating the water heater A CAUTION Hydrogen gas can be produced in a hot water system served by this water heater that has not been used for a long period of time generally two weeks or more HYDROGEN GAS IS EXTREMELY FLAMMABLE To dissipate such gas and to reduce risk of injury it is recommended that the hot water faucet be opened for several minut
33. l 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 26 During Installation of this water heater DO DON T Q DO check inlet gas pressure to ensure that it is within the range specified on the rating plate Q 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 Q DO ensure that the venting system complies with the guidelines found in the Use and Care Manual and National Fuel Gas Code Q 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 Q DO ensure that the flue damper is not obstructed and is free of debris Sight Glass Flammable Vapor Sensor Q DON T block or restrict Combustion Air Inlet Openings located around the lower portion of the water heater jacket Q DON T remove the Burner Access Door unless absolutely necessary This should only be done by a qualified service technician A new burner access do
34. lids 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 Housekeeping Make sure the flammable vapor sensor is not blocked or obstructed To ensure sufficient ventilation and combustion air supply proper clearances must be maintained 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 pre
35. 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 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 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
36. ng or following the Operating Instructions or the Care and Cleaning section it is recommended that a qualified person or serviceman perform the work Operating Procedure This water heater is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand 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 plug in the electrical supply cord and slide the ON OFF switch located on the front of the combination gas control to the ON position Set the thermostat dial to the desired setting 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 After the pilot and main burner ignite replace the outer door If no pilot and main burner flames are established the combinati
37. ng 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 by service personnel qualified in gas appliance repair It is suggested that a routine preventative maintenance program be established and followed by the user Periodically 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 so
38. on gas control will go through three trials for ignition before going into a lock out mode A warning light will alert the user of this lock out mode condition If this happens refer to the Gas valve LED codes 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 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 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 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 temperatu
39. or gasket must be installed on any burner access door that has been removed Q 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 Q DON T operate the water heater if the sight glass or burner access door grommet is damaged or broken Q DON T manually open or close the damper Burner Access Door Grommet Installation Checklist A Water Heater Location Q Close to area of vent Q Indoors and protected from freezing temperatures Q 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 U Provisions made to protect area from water damage B Water Supply Q Water heater completely filled with water Q Air purged from water heater and piping Q Water connections tight and free of leaks C Gas Supply U Gas line equipped with shut off valve union and sediment trap Q Approved pipe joint compound used D Relief Valve Q Temperature and Pressure Relief Valve properly installed and discharge line run to open drain E Venting Q Flue baffle properly hung in water heater s flue tube Q Draft hood properly installed on flue damper housing Q Vent connector s pitched upward to chimney 4 per linear foot minimum
40. p tube gasket Pilot Tube The kit provides extra speed clips and tamper resistant screws Temperature and pressure relief valve Gas Control Shank Gas Control Thermostat Lower Air Box Transition Pan Gasket Inner Door Gasket Burner Access Door Gasket Inner Door Jacket Door Inner Door Burner a Mounting Screws Lower Air Box Screws 26 Inner Door Hex Nuts Notes 27 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 ori
41. pment Carefully inspect the water heater for damage before proceeding with the installation Of specific interest should be any dents or damage to the draft hood and or flue damper assembly If you find damage DO NOT install or attempt any repair to the water heater Contact the manufacturer as detailed under the IF YOU NEED SERVICE section of this manual 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 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 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 less than 100 square inches if each opening communica
42. r j 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 lines will be purged through the domestic water faucets and showers ADANGER 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 Notice 50 0 maximum distance from water heater to fan coil Cae ae length is required for Massachusetts State Typical Piping Diagram for Combination Potable
43. re 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 natural gas water heater will not function safely on LP gas and vice versa A DANGER If a gas leak is present or suspected 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 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 Do not use any phone in your building Leave the house immediately and make sure your family and pets leave also data plate LP for LP units Natural gas for natural gas units These units are not certified for any other fuel type Leave the doors open for ventilation and contact the gas supplier a qualified service agency or the fire department LP appliances should not be installed 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
44. re 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 shutoff device designed to shut off the gas supply to the burner if the main burner is extinguished for any reason The gas control thermostat is also equipped with a gas shutoff 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 150 F 160 F 140 F 130 F Temperatures are approximate 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 gas control system which has been under water If the water heater has been subjected to fire flood or physi cal damage turn off the manual gas control shutoff valve and do not operate the water heater again until it has been checked by a qualified service technician d Time Temperature Relationship in Scalds Water Temperature Time To Produce a Serious Burn 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
45. ructions ocat omt aes sens eee T Water Supply Connections 9 ElucDamper ree E 10 GISSUPPN T 11 Ripe insilaton eee 14 Hleatilirapsm a aen 14 Installation Checklist 15 Potable Space Heating 16 Operating Instructions Lighting Instructions 17 Water Temperature 18 19 Care and Cleaning Drain 20 Maintenance aT 20 Burner Inspection 2 Extended Shut Down 21 Troubleshooting Tips Before You Call ROPE SAVED cocconooee POs LED Codes 24 25 Customer Service Barts eist a a S 26 If You Need Service 28 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 This is the safety alert symbol Recognize thi
46. s to be reset Gas Control Thermostat has been damaged Cycle the power to the Gas Control Thermostat Replace the Gas Control Thermo 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 25 Replacement Parts For 38 and 48 gallon models using natural gas Instructions For Placing a Parts Order All part hould include Pee eeu anes 3 Part description as noted below and 1 The model and serial number of the water number of parts desired heater from the rating plate A CAUTION For your safety DO 2 Specify type of gas natural or LP NOT attempt repair of gas piping gas control thermostat burners Draft Hood ae vent connectors or other safety devices Refer repairs to qualified service personnel Flue Damper Housing EA cae s as marked on the rating plate Flue Damper Anode rod Baffle Assembly Butner Access Heat Ignitor Wire Door Gasket Trap gt T Pilot Screw Burner Access Nipple Heat Trap Nipple Door Assembly Transformer N Dip tube Pilot Bracket Screws Di
47. s symbol as an indication of Important Safety Information This symbol alerts you to potential hazards that can kill or hurt you and others All safety messages will follow the safety alert symbol and either the word DANGER WARNING CAUTION or NOTICE These words mean AD ANGER An imminently hazardous situation that will result in death or serious injury AWARNING A potentially hazardous situation that could result in death or serious injury and or damage to property ACAUTION 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
48. sence 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 A minimum of 1 is required between these combustion air inlet openings and any obstruction Care and cleaning of the water heater Gas flame should be visible on entire burner Proper burner flame 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 damper 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 flue damper and the draft hood Inspect the gas venting system and the chimney Make certain the vent connector from the draft hood to the vent system and or chimney is properly positioned and securely attached Burner Inspection Visually inspect the pilot burner and main burner annually Through the sight glass inspect the pilot burn
49. ter 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 Possible Causes What To Do Condensation This usually happens when a new heater is filled for the first time Moisture from the products of combustion condensing on the tank surface An undersized water heater will cause condenstion Yellow flame or soot Scale on top of the burner Flue or combustion air inlet openings are restricted Not enough combustion or ven tilation air supplied to the water heater location Unable to light main burner Air in gas line Pilot burner orifice clogged Pilot burner tube pinched or clogged Damper unable to open Wire connection s not fully secured Combustion shut off device tripped Gas control thermostat prob lem Combustion shut off device tripped Main burner does not stay lit Gas control thermostat shut off device tripped 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 Refer to the Condensation informa tion in the Installing the Water Heater section of this manual This is normal and will disappear in time Excessive condensation can cause main burner outage Refer to the Condensation informa
50. termining 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 the heat traps in the hot cold nipples Vacuum Relief Valve Not Supplied f required install per local codes and valve 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
51. tes with other unconfined areas inside the building 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 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 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 3k 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 de
52. tion in the Installing the Water Heater section of this manual Use a water heater size that meets the requirements of your needs Contact a qualified service technician to purge air from the gas line Remove obstruction or debris from flue or combustion air inlet openings on water heater jacket 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 air from the gas line Pilot should be cleaned or replaced by a qualified ser vice technician The pilot burner should be cleaned repaired or re placed by a qualified service technician Contact a qualified service technician to evaluate damper Refer to Gas Valve Error Codes in the Gas Valve LED Codes section of this manual Contact a qualified service technician to confirm wire connection s Combustion shut off device should be inspected by a qualified service technician Contact a qualified service technician Refer to Gas Valve Error Codes in the Gas Valve LED Codes section of this manual Combustion shut off device should be inspected by a qualified technician Contact a qualified service technician ACAUTION For your safety DO NOT attempt repair of gas piping gas control thermostat burners vent connectors or other safety devices Refer repairs to qualified ser
53. vice personnel 22 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 Rumbling noise Scale and sediment Relief valve producing popping noise or draining Pressure build up caused by thermal expansion to a closed system Not enough or no hot water 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 20 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 Refer to gas v
54. 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 thermostat or temperature and pressure 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 13 14 Installing the water heater Hot and Cold Pipe Insulation Installation Typical vertical piping arrangement For increased energy etticiency some water heaters have been supplied with two 24 sections of pipe insulation Heat Traps 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 horizonta
55. 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 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 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 inch stand in accordance with the National Fuel Gas Code NFPA 54 ANSI Z223 1 unless otherwise directed by State and Local code requirements The water heater must be located so it is not subject to physical damage
56. 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 This condition is not unusual and will Flue Damper 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 flammable vapor sensor to become submerged in water disappear after the water becomes heated If however the condensation continues examine the piping and fittings for possible leaks Additional information on this subject may be found at www rheem com under Library scroll down to the Technical Service Bulletins 1400 Series Section and choose Bulletin 1402 Follow these instructions for proper installation and operation This water heater has a factory installed flue damper device for increased energy efficiency Removal of the flue damper connections will render the heater inoperable Do not operate the water heater without the damper housing in place on the damper assembly A draft hood is shipped with this water heater The draft hoo
57. y problem s e Replace Pilot assembly e Correct gas supply Six Two Flashes three second pause System in Lockout Flue Damper Switch opened Improper Flue Damper installation Faulty Flue Damper switch Incorrect wiring and or connections Inspect Flue Damper wiring and connections e Replace Flue Damper Assembly Contact a qualified service techni cian See IF YOU NEED SER VICE on page 28 Six Three Flashes three second pause System in Lockout Flame Lost Combusstion air supply restricted or blocked Pilot tube restricted or damaged Carbon build up on pilot s electrode Pilot igniter wire damaged problem s Ensure combustion air supply is not blocked or restricted Replace Pilot assembly Correct gas supply 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 24 Gas Valve LED Codes cont GAS VALVE LED STATUS PROBLEM PROBABLE CAUSE SOLUTION Six Four Flashes three second pause System in Lockout Flame sense out of sequence Gas Control Thermostat s valve stuck open Replace
Download Pdf Manuals
Related Search