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Rheem Professional Classic Series: Ultra Low NOx Power Vent Use & Care Manual

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1. 0 12 7 6 cm 2 5 cm 0 cm 30 5 cm Minimum clearance from combustible construction 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 Do not install the water heater in attics where the temperature may exceed 100 F This water heater is equipped with a temperature sensing device that will shut off the water heater if the maximum allowable vent pipe temperature is exceeded 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 Ventilation ambient air temper
2. Hot water t supply to house E Hot water supply 70 From HOT mening outlet on unit water heater Tee fitting for vertical hot water supply lines Hot water From HOT supply to outlet on house water heater Hot water supply to heating unit Tee fitting for horizontal hot water supply lines 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 chem
3. Installing the water heater AWARNING If local codes require external application of insulation blanket kits the manufacturer s instructions included with the kit must be carefully followed 18 Insulation Blankets Insulation blankets available to the general public for external use on gas water heaters are not necessary The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters This water heater meets or exceeds the National Appliance Energy Conservation Act standards with respect to insulation and standby loss requirements making an insulation blanket unnecessary The manufacturer s warranty does not cover any damage or defect caused by installation attachment or use of any type of energy saving or other unapproved devices other than those authorized by the manufacturer into onto or in conjunction with the water heater The use of unauthorized energy saving devices may shorten the life of the water heater and may endanger life and property The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized devices ACAUTION If local codes require the application of an external insulation blanket to this water heater pay careful attention to the following 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 hea
4. 40 amp 50 Gallon Power Vents Minimum vent length for 2 vent pipe is one 1 foot of vertical pipe one 1 90 elbow and two 2 feet of horizontal pipe Maximum Venting information for 2 Vents Models Maximum Number Number Maximum Vent Pipe Altitude of 90 of 45 Length in Feet ft for elbows Elbows 0 2 000 2 amp 3 with Vent Vents One 1 None 44 mena EZJELZA 42VP50FN One 1 One 1 41 For the 2 vent one 90 elbow is approximately equal to 6 feet of vent pipe One 45 elbow is approximately equal to 3 feet of vent pipe Minimum vent length for 3 vent pipe is one 1 foot of vertical pipe one 1 90 elbow and two 2 feet of horizontal pipe ee 53 a NOTICE The mixing of 2 and Maximum Venting information for 3 Vents 3 vent pipe is not recommended Number of 90 elbows Number of Maximum Vent Pipe If 3 pipe is used a 2 to 3 with Vent 45 Elbows Length in Feet ft reducer fitting is recommended at 0 Maximum Altitude See chart on upper left the rubber coupling One 1 This water heater is supplied with One 1 a two inch Schedule 40 PVC 45 vent terminal When venting with 3 pipe a Schedule 40 PVC 45 vent terminal must be used Screens for both 2 and 3 vent terminals have For the 3 vent one 90 elbow is approximately equal to 5 feet of vent pipe One 45 elbow is approximately equal to 2 5 feet of vent pipe 13 Insta
5. 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 Installations above 2 000 feet are not authorized Contact the local gas supplier for more information 11 Installing the water heater The water heater must be installed with the factory supplied blower assembly in place ADANGER Failure to install the blower assembly 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 The vent pipe must overlap a minimum of on each connection It is important that the vent pipe engages fully into any pipe fitting and be kept in that position until the adhesive has fully cured DO NOT drill or punch holes in the plastic pipe or fittings NOTICE This unit is equipped with a Flammable Vapor Sensor Do not apply power until enough time has passed to allow the vapors from the primer and cement to dissipate 12 Venting The water heater must be vented t
6. 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 Inspect plastic vent pipe Make certain that all joints are secure and that vent pipe supports are all in place Check the outdoor vent terminal to see that it is free of obstructions and that there is no damage nearby casused by condensate Inspect dilution air inlet and combustion air inlet openings Make certain no blockage exists Clean any lint dirt or oil accumulation that may exist At least once a year lift and release the lever handle on the temperature pressure relief valve located near the top of the water heater to make certain the valve operates freely Allow several gallons to flush through the discharge line to an open drain NOTICE If the temperature and pressure relief valve on the water heater discharges periodically this may be due to thermal expansion in a closed water system Contact the water supplier or your plumbing contractor on how to correct this DO NOT plug the relief valve outlet A water heater s tank can act as a settling
7. 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 disappear after the water becomes heated If however the condensation continues examine the piping and fittings for possible leaks than the outlet of the valve and must pitch downward from the valve to allow complete drainage by gravity of the relief valve and discharge line The end of the discharge line should not be threaded or concealed and should be protected from freezing No valve of any type restriction or reducer coupling should be installed in the discharge line A steady flow of water from the hot water faucet s indicates a full water heater Do not allow the flammable vapor sensor to become submerged in water NOTICE Additional information on this subject may be found at www rheem com under Rheem Water Heating Customer Service scroll down to the Technical Bulletins and to Bulletins 1400 Series Section and choose Bulletin 1402 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 AWARNING Failure to install a water heater suitable for the altitude at the location it is inte
8. basin for solids suspended in the water It is therefore not uncommon for hard water deposits to accumulate in the bottom of the tank If allowed to accumulate these solids can cover the gas control thermostat sensors causing the sensors to operate erratically Because accumulated solids can prevent the gas control thermostat sensors from accurately reading the water temperature the water at the fixture can be hotter than the gas control thermostat setting It is suggested that a few quarts of water be drained from the water heater s tank every month to clean the tank of these deposits Rapid closing of faucets or solenoid valves in automatic water using appliances can cause a banging 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 ADANGER Combustible materials such
9. before bathing or water increases the showering potential for Hot Water sees SCALDS Temperature limiting valves are available see manual Valve Set Estimated Burns on Adult Skin Point Temperature 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 More than 5 minutes About 30 seconds Less than 5 seconds About 1 1 2 seconds About 1 2 second VERY HOT 160 F ADANGER LIQUEFIED PETROLEUM LP PROPANE OR BUTANE AND NATURAL GAS MODELS LP and Natural gas have an odorant added to aid in detecting a gas leak Some people may not physically be able to smell or recognize this odorant If you are unsure or unfamiliar with the smell of LP or natural gas ask the gas supplier Other conditions such as odorant fade which causes the odorant to diminish in intensity can also hide or camouflage a gas leak Water heaters utilizing LP gas are DANGER If a gas leak is present or different from natural gas models A suspected natural gas water heater will not function safely on LP gas and vice versa Do not attempt to find the cause yourself No attempt should ever be made to convert the water heater from natural Do not try to light any appliance gas to LP gas To avoid possible Do_not touch any electrical switch equ
10. materials should use ASTM D2564 grade cement CPVC materials should use ASTM F493 grade cement ABS materials should use ASTM D2235 grade cement Cleaner Primer and Medium Body Solvent Cement 4 Cut pipe end square remove jagged edges and burrs Chamfer end of pipe then clean fitting socket and pipe joint area of all dirt grease or moisture After checking pipe and socket for proper fit wipe socket and pipe with cleaner primer Apply a liberal coat of primer to inside surface of socket and outside of pipe Do not allow primer to dry before applying cement Apply a thin coat of cement evenly in the socket Quickly apply a heavy coat of cement to the pipe end and insert pipe into fitting with a slight twisting motion until it bottoms out NOTICE Cement must be fluid if not recoat 4 Hold the pipe fitting for 30 seconds to prevent the tapered socket from pushing the pipe out of the fitting 5 Wipe all excess cement from the joint with a rag Allow 15 minutes before handling Cure time will vary according to fit temperature and humidity NOTICE Stir the solvent cement frequently while using Use a natural bristle brush or the dauber supplied with the can The proper brush size is one inch NOTICE This unit is equipped with a Flammable Vapor Sensor Do not apply power until enough time has passed to allow the vapors from the primer and cement to dissipate Wiring If local codes permit the water he
11. power vented water heater a thorough inspection of the existing venting system must be performed prior to any installation work 4 Verify that the correct materials as detailed above have been used and that the minimum or maximum vent length and terminal locations as detailed in this manual have been met Carefully inspect the entire venting system for any signs of cracks or fractures particularly at the joints between elbows or other fittings and the straight length of vent pipe 3 Check the system for signs of sagging or other stresses in the joints as a result of misalignment of any components in the system g If any of these conditions are found they must be corrected in accordance with the venting instructions in this manual before completing the installation and putting the water heater into service Additional installation infor mation for The Commonwealth of Massachusetts is located on the back page of this manual Blower Assembly Installation Rubber Coupling if not factory installed Connect blower assembly with the electrical connector Attach Blower Assembly to top pan using the six 6 screws provided See diagram to the left Install rubber coupling supplied in the box with water heater on blower housing and secure it NOTICE The Blower Assembly is model specific and only the blower assembly supplied should be used on this water heater Maximum and Minimum Vent Lengths for Residential
12. 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 The discharge line must be no smaller To Fill the Water Heater Make certain that the drain valve is closed then open the shut off valve in the cold water supply line Open each hot water faucet slowly to allow the air to vent from the water heater and piping Condensation Condensation can form on the tank when it is first filled with water Condensation might also occur with a heavy water draw
13. 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 OPERATING AMWARNING 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 ignition device which automatically lights the pilot DO NOT try to light the pilot by hand BEFORE PUTTING THIS APPLIANCE INTO SERVICE Smell all around the appliance 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 Immediately call your gas supplier from a neighbor s phone Follow the gas suppliers instuctions e Ifyou 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 do not try to repair it call a qualified service technician Force or attempted repair may result in fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified installer or service agency to r
14. starting point temperature is 120 F If no main burner flame is established the gas control will go through three trials for ignition before going into a lock out A warning light will alert the user of this lock out condition If this happens refer to Troubleshooting Guide Water temperatures above 125 F can cause severe burns or death from scalding Be sure to read and follow the warnings outlined in this manual and on the label located on the water heater near the gas control thermostat Mixing valves are available for reducing point of use water temperature by mixing hot and cold water in branch water lines Contact a licensed plumber or the local plumbing authority for further information See page 4 for more details The chart on the next page may be used as a guide in determining the proper water temperature for your home 23 Operating the water heater Water Temperature Setting The following is additional information which aid in determining a safe working temperature to meet each household need 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 If an adjust ment to the water temperature is preferred then refer to the Water Heater User Display Opera tion Instructions for instruction on adjusting the local and remote user display temperature set points A conditi
15. to be expected However improper location or installation can result in severe damage to the structure or exterior finish of the building 14 1 4 Vent Terminal must be at least twelve 12 inches above grade level and above normal snow levels Vent Terminal must be at least four 4 feet below or four 4 feet horizontally from any door operable window soffit under eave vent or gravity air inlet to the building or other appliances or from gas or electric meters Do not locate vent above walkways doors windows air inlets gas or electric meters or other equipment Vent Terminal must be at least three 3 feet above any forced air inlet located within ten 10 feet Any fresh or make up air inlet such as for a dryer or furnace area is considered to be a forced air inlet Vent Terminal must be at least eighteen 18 inches from an inside corner formed by two exterior walls Additional Considerations 1 2 Do Not install vent terminal under any patio or deck To help prevent moisture from freezing on walls and under eaves do not locate vent terminal on the side of a building with prevailing winter winds When terminating the vent pipe through brick or masonry surfaces a rust resistant sheet metal backing plate behind the vent termination is recommended See illustration Do Not locate vent terminal too close to shrubbery as flue gasses may damage them Caulk all cracks seams and joints within six 6 fee
16. to cause cancer birth defects or other reproductive harm A WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death A FOR YOUR SAFETY If you cannot reach your gas supplier call Do not store or use gasoline or other the fire department flammable vapors or liquids or other Do not return to your home until authorized combustible materials in the vicinity of this or by the gas supplier or fire department any other appliance To do so may result in an I lati dist t aleran explosion or fire Improper installation adjustment alteration service or maintenance can cause property WHAT TO DO IF YOU SMELL GAS damage personal injury or death Refer to this manual Installation and service must be performed by a qualified installer service agency or the gas supplier Do not try to light any appliance 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 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 x PEE AP15212 1 08 10 Printed in USA El manual en Espa ol esta disponible en www rheem com Safety Information Safety Precautions 3 6 Gasil Viodels eee e
17. water heater is OFF before removing protective cover FOR ANY REASON CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation VERIFY PROPER OPERATION AFTER SERVICING CAUTION For your safety DO NOT attempt repair of gas piping gas control thermostat burners vent connectors or other safety devices Refer repairs to qualified service personnel 30 Gas Valve Error Codes gia STATUS PROBLEM PROBABLE CAUSE SOLUTION Short flash once every four seconds IDLE no call for heat no fault conditions Temperature setpoint achieved and burner is off No solution required Heartbeat alter nates bright dim Call For Heat no fault conditions Water temperature is below set point and burner is on No solution required One Flash three second pause Low flame signal control continues to operate Pilot tube restriction carbon build up on electrode pilot wire damage or gas supply Gas supply pressure is low Low voltage supply Pilot replacement Two Flash three second pause Pressure switch failed closed Pressure switch tube blockage or faulty pressure switch Pressure switch wiring incorrect Replace pressure switch Three Flash three second pause Pressure switch failed open Vent blockage or improper insalla tion switch tube blockage faulty switch blower improper operati
18. 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 Location of Dilution Air Holes 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 26 Draining the Water Heater CAUTION 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 allowing sufficient cold water into the tank to prevent the risk of a scald injury while draining the water heater Once the water in the tank is no longer hot turn off the cold water supply to the water heater Open a hot water faucet or lift the handle on the relief valve to admit air to the tank Attach a garden hose to the drain valve on the water heater and direct the stream of water to
19. 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 28 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 After a long shut down period the 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 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 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
20. TING 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
21. Use amp Care Manual With Installation Instructions for the Installer Compliant with South Coast Air Quality Management District Rule 1121 10 ng J NOx Emissions Residential Gas Low NOx Emissions PowerVent Water Heaters WITH ELECTRONIC CONTROL Residential 40 50 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 very important that all persons who are expected to install operate or adjust this water heater read the instructions carefully so they may understand how to perform these operations If you do not understand these instructions or any terms within it seek professional assistance Any questions regarding the operation maintenance service or warranty of this water heater should be directed to the seller from whom it was purchased If additional information is required refer to the section on If you need service Do not destroy this manual Please read carefully and keep in a safe place for future reference Recognize this symbol as an indication of Important Safety Information California Proposition 65 Warning This product contains chemicals known to the State of California
22. a combustion shut off device that shuts the operation of the water heater down if undesirable combustion conditions occur such as the presence of flammable vapors or blockage of the combustion air inlet openings Please contact a Qualified Service Technician if this occurs Problem Possible Causes Condensation This usually happens when a new water heater is filled for the first time What To Do This is normal After the water in the tank warms up the condensation will disappear If however the condition persists examine the piping and fittings for possible leaks Moisture from the products of combustion condensing on the tank surface This is normal and will disappear in time Excessive condensation can cause main burner outage An undersized water heater will cause condensation Yellow flame Scale on top of the burner Use a water heater size that meets the requirements of your needs Contact a qualified service technician to remove scale or soot BE Flue or Combustion air inlet openings are restricted Remove obstruction or debris from flue or combustion air inlet openings on water heater jacket Not enough combustion or ventilation air supplied to the water heater location Unable to light the main burner Air in gas line Proper operation of the water heater requires air for combustion and ventilation See the Combustion and Ventilation Air information in the Installing The Wate
23. 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 31 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 Leaking or open hot water faucets See the Water Temperature Setting of The Water Heater section of this manual Make sure all faucets are closed Check valve error codes Refer to gas valve error code table on page 30 ON OFF switch turned off Turn ON Blower unplugged Plug in Verify power supply 120VAC 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 Defective Contact a qualified service technician to replace the gas control thermostat CAUTION Make certain power to
24. as clothing cleaning materials or flammable liquids etc must not be placed against or next to the water heater Location of Dilution Air Holes Gas flame should be visible on entire burner a surface Proper burner flame pattern Housekeeping Visually inspect the pilot To ensure sufficient ventilation and combustion air supply proper clearances must be maintained Venting System Inspection The water heater s internal flue must be inspected annually to be certain it is clean by removing the blower assembly 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 blower assembly Inspect plastic vent pipe Make certain that all joints are secure and that vent pipe supports are all in place Check the outdoor vent terminal to see that it is free of obstructions and that there is no damage nearby caused by condensate Burner Inspection Visually inspect the pilot flame and main burner annually Through the sight glass inspect the pilot and burner lighting If any unusual pilot or burner operation is noted the water heater should be shut off until qualified service assistance can be obtained 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 When installed in a closet DO NOT block or ob
25. ater may be connected to electric service with the power cord provided DO NOT use an extension cord A grounded receptacle is required If local codes do not permit the use of cord connections a 120 V 50 60 Hz power supply with suitable disconnecting means must be connected to the black and white leads in the heater control enclosure A knock out hole is provided to permit use of conduit or metal clad cable connectors The maximum current draw is approximately 5 0 amps The water heater must be electrically grounded in accordance with local codes or in the absence of local codes in accordance with latest edition of the National Electric Code ANSI NFPA No 70 Refer to the figures below for water heater internal wiring NOTE It is not recommended that this unit be installed on a GFCI circuit CONNECTION DIAGRAM 120 NEUT GROUND 120VAC PRESSURE am BK BLACK BL BLUE G GREEN R RED W WHITE Y YELLOW TEMPERATURE SWITCH 3x2 CONNECTOR H SCHEMATIC N A lt gt owe A WV 4460E CONTROL TS2 TS PILOT ELECTRODE ASSY I 120 z S CAUTION Label all wires dangerous operation VERI poor to disconnection when servicing controls Wiring errors can cause improper and PROPER OPERATION AFTER SERVICING 17
26. attery 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 shall be permanently 36 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 r
27. ature must be 100 F or less Proper operation of the water heater requires air for combustion and ventilation Provisions for combustion and ventilation air must comply with referenced codes and standards DO NOT block or obstruct any of the combustion air inlet openings located around the perimeter of the water heater A minimum of 1 is required between these combustion air inlet openings and any obstruction NOTICE If the water heater is installed in an unconfined space within a building of conventional frame masonry or metal construction infiltration air is normally adequate for proper combustion and ventilation If the water heater is installed in a confined space provisions for combustion and ventilation air must be made DO NOT obstruct or block the Flammable Vapor Sensor A confined 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 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 t
28. ead 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 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 VEN
29. ee 5 Installation Instructions ocat omt ea sees eee T Water Supply Connections 9 GaSOUPPIN E T 11 WEINER e AT 12 16 Wiring Diagram 17 Ripe instil atone esas 18 Potable Space Heating 26 Operating Instructions Lighting Instructions 2 Water Temperature 28 30 Care and Cleaning Vent System Inspection 32 Burner Inspection 32 Extended Shut Down 33 Troubleshooting Tips Before You Call ROmSckyiccHeenne Tree 34 36 Customer Service Parts tSt E ere IN YOUN cedOEmNICE RA 40 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
30. eplace a flooded water heater Do not attempt to repair the unit It must be replaced OPERATING INSTRUCTIONS Stop Read the safety information above 10 Ifthe appliance will not operate on this label Slide the ON OFF switch located on the gas valve to the OFF position Turn off all electric power to the appliance Set the valve thermostat dial to LOW This appliance has an automatic spark ignition system 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 the 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 in the gas valve to the ON position Set the thermostat dial to the desired setting follow the instructions TO TURN OFF GAS TO APPLIANCE and call your service technician or gas supplier TO TURN OFF GAS TO APPLIANCE Turn off all electric power to the appliance if service is to be performed Close manual gas shut off valve 22 Operating the water heater CAUTION Hydrogen gas can be produced in a hot water system served by this water heater that has not been used for a long period of time generally two weeks or more HYDROGEN GAS IS EXTREMELY FLAMMABLE To dissipate such gas and to
31. er 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 ode Gas Fired Water Heater 3 4 Shut f Valve CPS Fa W Kos LW R S and State Codes Openings w ZA HWS amp HWR Gas Direct Vent discharge must comply with Local Combustion Air Inlet Heat Trap L 6 Min 4 2 Gallon Thermal Expansion Tank if required not supplied with water heater N h 83 V ZAE to Heating Coil Drain valve not supplied with water heater Isolation valve in cold water return line from heating unit not supplied with water heater Air Handler T A Vacuum Relief Valve Not Supplied If required install per local codes and valve manufacturer s instructions Wire to bronze pump 21 6 Air Gap to space heater LI Hot water coil All bronze pump I Check valve internal in pump Ak biced valve l Whaler Sample Tap Electronically controlled pump timer Activates every 6 hours for 60 seconds 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
32. er be stored in the vicinity of this or any gas appliance AN AN ANM aN LOY Ci WSS 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 e
33. erminal fitting and connect it as shown to the vent pipe on the exterior of the building Complete the rest of the vent pipe installation to the water heater s vent connector fitting on the blower outlet If necessary support horizontal run as previously mentioned Vertical Vent Termination Location The location of the vent terminal depends on the following minimum clearances and considerations see illustration Minimum twelve 12 inches above roof Minimum twelve 12 inches above anticipated snow level N Maximum twenty four 24 inches above roof level without additional support for vent 5 4 Four 4 feet from any gable dormer or other roof structure with building interior access i e vent window etc 5 Ten 10 feet from any forced air inlet to the building Any fresh or make up air inlet such as a dryer or furnace area is considered to be a forced air inlet Vertical Vent Installation Once the vent terminal location has been determined make a hole through the roof and interior ceiling to accommodate the vent pipe Complete the vent pipe installation to the water heater s vent connector fitting on the blower outlet Support vertical or horizontal lengths as previously mentioned Install adequate flashing where the vent Determine the vent terminal height and cut vent pipe accordingly Refer to the above section for proper vent terminal height Connect vent elbow onto vertical pipe
34. ess Door unless absolutely 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 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 allow cleaners solvents or other materials to come into contact with the Flammable Vapor Sensor Q DON T operate the water heater if the sight glass or burner access door grommet is damaged or broken see to the left Flammable Vapor Sensor 19 Installation Checklist A Water Heater Location 20 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 B Water Supply C D Q Water heater completely filled with water Q Air purged from water heater and piping Gas Supply U Gas line equipped with shut off valve union and sediment trap Q Approved pipe joint compound used Relief Valve Q Temperature and Pressure Relief Valve properly installed and discharge line run to open drain Venting Q Heater vented separately from all other appliances Q Flue baffle properly hung in top of
35. evention 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 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 pressure increase in the water heater and system piping This rapid pressure increase can quickly reach the safety setting of the relief valve causing it to operate during each heating cycle Thermal expansion and the resulting rapid and repeated expansion and contraction of components in the water heater and piping system can cause premature failure of the relief valve and possibly the heater itself Replacing the relief valve will not correct the problem The suggested method of controlling thermal expansion is to install an expansion tank in the cold water line between
36. han 1 4 mesh to prevent clogging by lint or other debris Propellants from common spray cans or gas leaks from A C and refrigeration equipment are highly corrosive after passing through a flame The water heater warranty is voided when failure of the heater is due to operation in a corrosive atmosphere IMPORTANT Do not apply heat to the HOT or COLD water connections If sweat connections are used sweat tubing to adapter before fitting adapter to the cold water connections on heater Any heat applied to the cold water supply fittings will permanently damage the dip tube and heat traps NOTICE The National Fuel Gas Code NFGC mandates a manual gas shut off valve See NFGC for complete instructions Local codes or plumbing authority requirements may vary from the instructions or diagrams provided and take precedent over these instructions Vacuum Relief Valve Not Supplied If required install per local code and valve manufacturer s 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 pr
37. heater s flue Q Blower assembly properly installed U Proper materials and techniques used in vent assembly Q Vent pipe properly secured to blower housing F Wiring Q Correct power supply 120 V Q Electrical connections tight U Provisions made to protect area from water damage Q Sufficient room to service heater Q Combustible materials such as clothing cleaning materials rags etc clear of the base of the heater L Clearances of 1 from combustion air inlet openings observed Q Flammable vapor sensor is not blocked Q Water connections tight and free of leaks Q 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 pipe supported at required intervals U Appropriate minimum clearances observed Q Precautions taken to prevent moisture damage around vent termination Q Vapors from vent pipe cement and primer have dissipated prior to applying electrical power Q Heater properly grounded and proper polarity observed Supplemental instructions for gas water heaters installed in potable water space heating applications Local codes or plumbing authority requirements may vary from the instructions or diagrams provided in this manual and take precedent over these instructions Combination Potable Water and Space Heating Application
38. hrough a gas flame corrosive elements are released that will shorten the life of any gas burning appliance The minimum net free area of each opening must not be less than one square inch per 1000 Btuh of the total input rating of all the appliances in the enclosure but not less than 100 square inches if each opening communicates with other unconfined areas inside the building Buildings of unusually tight construction shall have the combustion and ventilation air supplied from outdoors or a freely ventilated attic or crawl space If air is supplied from outdoors directly or through vertical ducts there must be two openings located as specified above and each must have a minimum net free area of not less than one square inch per 4000 Btuh of the total input rating of all the appliances in the 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 3 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 t
39. icals such as those used for boiler treatment into this system Notice 50 0 maximum distance from water heater to fan coil developed length is required for Massachusetts State Typical Piping Diagram for Combination Potable Space Heating Installation Pressure Gauge 3 4 Check Valve with 1 8 Hole 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 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 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 q2 Gas line to water heater Minimum of 2 0 developed length of 3 4 pipe 3 4 Tempered domestic hot water 3 4 Shut Off Valve Typ 3 lt lt 3 4 cold water supply Ai t supply to house lt ir ven Pato ies Des Q Go i S SAN lt 3 4 Shut Off Valve Typ oS at To O Typ Temperature and pressure relief valve discharge line Gas Control Thermostat Wat
40. ified service technician Clear any hazardous materials and ventilate the area around the water heater Do not turn off the appliance or adjust the ON OFF switch in any way Do not tamper with the flammable vapor sensor Do not submerse the flammable vapor sensor in water Do not allow the flammable vapor sensor to come into contact with any substances such as bleach or cleaners See the Gas Valve Error Code Section of this manual for a list of error codes ADANGER INSTALL THE BLOWER ASSEMBLY AND PROPERLY VENT T THE WATER HEATER Failure to install the blower assembly 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 this manual for more information regarding vent system inspection A AWARNING Gasoline as well as other flammable materials and liquids which include but are not limited to adhesives solvents paint thinners etc and the vapors they produce are extremely dangerous DO NOT handle use or store gasoline or other flammable or combustible materials any
41. ipment damage personal injury or fire do not connect the water heater to a fuel type not in accordance with the unit Leave the house immediately and make data plate LP for LP units Natural gas sure your family and pets leave also for natural gas units These units are not certified for any other fuel type Do_not use any phone in your building Leave the doors open for ventilation and contact the gas supplier a qualified LP appliances should not be installed service agency or the fire department below grade for example in a basement if such installation is prohibited by federal state and or local laws rules regulations or customs Stay away from the house or building until the service call has been made the leak is corrected and a qualified agency has determined the area to be safe LP gas must be used with great caution It is heavier than air and will collect first in lower areas making it hard to detect at nose level Before attempting to light the water heater make sure to look and smell for gas leaks Use a soapy solution to check all gas fittings and connections Bubbling at a connection indicates a leak that must be corrected When smelling to detect a gas leak be sure to sniff near the floor also Gas detectors are recommended in LP amp natural gas applications and their installation should be in accordance with the detector manufacturer s recommendations and or local laws rules regulations o
42. lling the water heater NOTICE All pipe fittings solvent cement primers and procedures must conform to American National Standards Institute and American Society for Testing and Materials ANSI ASTM standards Horizontal Vent Terminal Location The location of the vent terminal depends on the following minimum clearances and considerations see illustration Ss SS es SS Soffit vents 1 Leg Inside comer Electric rr 4 Fresh meter O s i ai 4 intake 18 l 3 above QT if within 10 4 12 Above grade snow level window or vent t Rising moisture will collect under eaves If soffit vent is too close block off and install new vent at 6 another location Inside corner Caulk 3 6 caulk zone Zone or to edge of window etc starting within 6 I I Caulk 2 ft sq sheet metal plate on brick or Imasonry surface is recommended 4 AWARNING Moisture in the flue gas will condense as it leaves the vent terminal In cold weather this condensate can freeze on the exterior wall under the eaves and on surrounding objects Some discoloration to the exterior of the building is
43. lot Screw Door Assembly Pilot Bracket Screws Pilot Tube ser Hex Nuts The kit provides extra speed clips and tamper resistant screws 33 Notes Notes 35 IF YOU NEED SERVICE utility for qualified service assistance 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 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 eae op 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 service on the water heater Date of original installation and dates any service work was performed Details of the problems as you can best describe them f List of people with dates who have been contacted regarding your problem Important Instructions for the Commonwealth of Massachuse
44. lve as close to the inlet of the appliance as practical at the time of the appliance installation The sediment trap shall be either a tee fitting with a capped nipple in the bottom outlet or other device recognized as an effective sediment trap Do not use excessive force over 31 5 ft Ibs in tightening the pipe joint at the gas control thermostat inlet particularly if teflon pipe compound is used as the valve body may be damaged The inlet gas pressure to the water heater must not exceed 10 5 w c for natural gas 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 High Altitude Input rating of this water heater is based on sea level operation At higher elevations the actual input rate may be lower than the value listed on the rating label due to the derating of natural gas This water heater can be installed at elevation up to 2 000 feet without any change or modification
45. mes 8 The blower motor will stay energized for an additional 30 seconds after the control verifies that the burner flame is extinguished in order to clear combustion gases from the water heater 9 After the post purge sequence the control will de energize the blower motor and go into a stand by mode awaiting the next call for heat This water heater is equipped with a flammable vapor sensor that is monitored continuously by the electronic control in all modes of operation In the event that flammable vapors are detected the control will automatically shut down the water heater and prevent the water heater from being started again The following is a list of materials that will cause the Flammable Vapor Sensor to shut down the water heater Vapors of Gasoline Vapors of certain flammable paints stains and thinners Vapors of vent pipe Cement amp Solvents Bleach direct contact with flammable vapor sensor Some other flammable materials and their vapors If the flammable vapor sensor shuts down the water heater then the electronic control will display the appropriate error code and you should then promptly contact a qualified service technician Refer to the WARNING on page 3 for additional information 25 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
46. nclosed 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 DO NOT obstruct or block the flammable vapor sensor 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 2006 paragraph 9 1 10 Installation in Residential Garages unless otherwise directed by State and Local code requirements The water heater must be located so it is not subject to physical damage for example by moving vehicles area flooding etc The water heater should be installed so as to minimize the length of plastic vent pipe and the number of vent connection fittings required Refer to the INSTALLATION Section of this manual 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 Wee 3 0 0 12 7 6 cm 0 cm 0 cm 30 5 cm a 3 1
47. nded 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 and must meet the requirements in ANSI Z21 24 Connectors for Gas Appliances If lever type gas shut offs are used they shall be T Handle type Compound used on the threaded joints of the gas piping must be of the type resistant to the action of LP gas Use compound sparingly on male threads only Leak Testing The water heater and its gas connections must be leak tested at normal operating pressures before it is placed in operation 4 Turn on the manual gas shut off valve near the water heater 9 Use a soapy water solution to test for leaks at all connections and fittings Bubbles indicate a gas leak that must be corrected Where a sediment trap is not incorporated as part of the appliance a sediment trap shall be installed downstream of the equipment shutoff va
48. o the outdoors as described in these instructions DO NOT connect this water heater to an existing vent or chimney it must be vented separately from all other appliances NOTICE This unit can be vented using only the following recommended pipe material Use only 2 or 3 inch diameter pipe PVC Schedule 40 ASTM D1785 CPVC Schedule 40 ASTM F441 ABS Schedule 40 ASTM D2661 ABS Schedule 40 DWV Cellular Core ASTM F628 The fittings other than the TERMINATION should be equivalent to the following PVC Schedule 40 DWV ASTM D2665 CPVC Schedule 40 ASTM F438 ABS Schedule 40 DWV ASTM D2661 The unit may be vented horizontally through a wall or vertically through the roof Vent pipe runs must be adequately supported along both vertical and horizontal lengths Maximum unsupported length is recommended to be no more than 6 feet It is imperative that the first hanger be located on the horizontal length immediately adjacent to the first 90 degree elbow from the vertical rise of vent pipe connected to the water heater The support method used should isolate the vent pipe from floor joists or other structural members to help prevent the transmission of noise and vibration Do not support pin or otherwise secure the venting system in a way that restricts the normal thermal expansion and contraction of the chosen venting material If the water heater is being installed as a replacement for an existing
49. on or temperature switch open Replace pressure switch Air intake or exhaust obstructed Replace blower temperature switch Replace blower Four Flash three second pause_ TCO limit lockout Thermal well fault gas control fault or tank is not filled with water 1 2 3 1 2 1 Pressure switch wiring incorrect 2 3 4 5 1 Reset valve and check for proper valve cycling 2 Make sure tank is full of water Four Flash three second pause Flame out of sequence Pilot or burner valve has failed open Replace gas valve control Six One Flash three second pause Failed trial for ignition Insufficient gas supply unstable pilot carbon buildup on electrode or wire pilot tube damage 1 Check gas supply 2 Replace pilot Six Two Flash three second pause Recycle limit PS limit opened Vent blockage or improper instal lation switch tube blockage faulty switch blower improper operation blower temperature switch open or excessive wind at vent termination Pressure switch wiring incorrect Replace pressure switch Air intake or exhaust obstructed Replace blower temperature switch Replace blower Check for vent termination compli ance as stated in this manual NnRWN Six Three Flash three second pause Six Four Flash three second pause Recycle limit flame lost Soft Lockout flame out of sequence sensed Pilot tube restriction low gas sup
50. on 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 hatter than the water toward the bottom of the tank near the gas control thermostat There fore always remember to test the water tempera ture 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 24 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 shut off device that will shut off the gas supply to the burner if the water heater exceeds normal operating temperatures Refer to the Be fore You Call For Service section of this manual or contact your dealer AWARNING 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 a qualified service technician NOTICE Replace any part of the gas c
51. onnection 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 31 Replacement Parts For 40 and 50 gallon models using natural or LP gas Instructions For Placing a Parts Order All parts orders should include 1 3 Part description as noted below and The model and serial number of the number of parts desired water heater from the rating plate A 2 i CAUTION For your safety DO Specify type of gas natural or LP NOT attempt repair of gas piping as marked on the rating plate gas control thermostat burners vent connectors or other safety devices Refer repairs to qualified service personnel Blower Assembly Anode rod Heat Baffle Assembly Jna Trap Nipple Dip tube Dip tube gasket Temperature and pressure 7 relief valve es l Gas Control Shank Gas Control Thermostat Lower Air Box Transition Pan Gasket Inner Door Gasket Burner Access Door Gasket Inner Door Inner Door Burner Assembly Wa Jacket Door Mounting Screws P sed Lower Air Box Screws May differ in actual appearance Inner Door Hex Nuts 32 Replacement Parts Burner Access Door Gasket gnitor Wire Burner Access Pi
52. ontrol system which has been under water 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 Sequence of Operation 1 During initial start up or a call for heat the control will verify the vacuum switch is open 2 Once the control verifies the blower vacuum switch is open the control will energize the blower motor for the pre purge sequence approximately 5 seconds 3 The control will verify the blower vacuum switch has closed ensuring that the blower is functioning properly and that the venting system is not blocked 4 The control will then proceed through a sequence of self diagnostics before initiating a trial for ignition 5 During the trial for ignition the pilot will spark in an attempt to light the pilot Once the pilot flame is established the main gas valve will open allowing gas to flow to the main burner 6 The main burner and pilot will remain lit throughout the heat cycle until the water temperature setting is reached 7 Once the water temperature setting is reached the control will close the main gas valve and pilot valve which will extinguish both the main burner and pilot burner fla
53. ot outlet line and cold water inlet line Installing the water heater continued 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 33 During Installation of this water heater DO 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 allow enough time for joint cement vapors to dissipate BEFORE applying power to the water heater Q DO ensure that the venting system complies with the guidelines found in the Use and Care Manual and National Fuel Gas Code DO contact a qualified service technician if the main burner will not stay lit The burner chamber is designed to be sealed utilizing a gasket and tamper resistant screws Sight Glass Burner Access Door Grommet DON T UL DON T block or restrict Combustion Air Inlet Openings or the Flammable Vapor Sensor located around the lower portion of the water heater jacket UL DON T block or restrict the Blower Assembly Dilution Air holes see diagram to the left Q DON T remove the Burner Acc
54. ply pressure carbon buildup on electrode wire pilot tube damage or combustion air port blockage Valve stuck in open position Gas supply pressure is low Jacket air holes obstructed 3 Pilot replacement Noe Replace gas valve control Seven Flash three Flammable vapor sen Gasoline or other flammable gas was detected near the appliance or Verify no gasoline or flammable vapors are present second pause sor lockoiit the sensor has failed 2 Replace the flammable vapor sensor Flammable vapor sensor resistance 1 Replace FV sensor Eight One Flash FVS fault detected is out of range wiring to FV sen 2 Replace FV sensor wiring three second pause sor is faulty or control is faulty 3 Replace gas control valve Eight Two Flash Temperature sensor l Shel thermal well wing conne th d fault detected Thermal well fault tion ree second pause fault detecte 2 Replace thermal well Eight Three Flash Electronics fault de Thermal well fault or gas control 1 Replace gas control valve three second pause tected fault 2 Replace thermal well Eight Four Flash three second pause Valve fault detected Gas control valve needs to be reset or has been damaged 1 Cycle power to gas control valve Replace gas control valve N CAUTION Make certain power to water heater is OFF before removing protective cover FOR ANY REASON CAUTION Label all wires prior to disc
55. r currents from surrounding areas to the water heater fF 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 Operating Procedure This heater is equipped with an electronically lit pilot to light the main burner The pilot is automatically lit each time there is a demand for heating the water On initial start up it is recommended that the outer door be removed leave inner door in place for safety to determine if the pilot and main burner are operating properly Once filled with water it is necessary to plug the power cord in and make sure the gas control switch is in the ON position The blower will start and within seconds the pilot will light followed by the main burner After the main burner ignites replace the outer door Water Temperature Setting The temperature of the water in the water heater can be regulated by turning the knob on the front of the gas control thermostat Safety and energy conservation are factors to be considered when selecting the water temperature setting of the water heater s gas control thermostat s The lower the temperature setting the greater the savings in energy and operating costs To comply with safety regulations the gas control thermostat was set at 120 F before the water heater was shipped from the factory The recommended
56. r Heater section of this manual Contact a qualified service technician to purge the air from the gas line Blocked Exhaust Contact a qualified service technician to evaluate vent pipe for blockage Pressure Switch Wire Connection not fully secured Make sure the pressure switch hose is not kinked Contact a qualified service technician to confirm wire connections Combustion Shut off Device tripped Combustion shut off device should be inspected by a qualified service technician Gas Control Problem Combustion Shutoff Device Tripped Main burner does not stay lit Contact a qualified service technician The combustion shutoff device should be inspected by a qualified service technician CAUTION For your safety DO NOT attempt repair of gas piping gas control thermostat burners vent connectors or other safety devices Refer repairs to qualified service personnel 29 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
57. r customs It is recommended that more than one method such as soapy solution gas detectors etc be used to detect leaks in gas applications 5 IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING AWARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion 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 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 o
58. r 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 v READ AND FOLLOW THIS SAFETY INFORMATION CAREFULLY TEN SAVE THESE INSTRUCTIONS Installing the water heater This water heater must be installed in accordance with these instructions local codes utility company requirements and or in the absence of local codes use the latest edition of the American National Standard National Fuel Gas Code A copy can be purchased from either the American Gas Association 400 N Capitol Street NW Washington DC 20001 as ANSI standard Z223 1 or National Fire Protection Association 1 Batterymarch Park Quincy MA 02269 as booklet NFPA 54 Combustion Air Inlet Openings Diameter of water heater plus 2 min The auxiliary catch pan installation MUST conform to local codes Top View Alcove Rear Front Open Top View Closet Rear Front Enclosed AWARNING 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 nev
59. 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 has been subjected to over heating fire flood physical damage or if the gas supply fails to shut off B Do Not turn on water heater unless it is completely filled with water Do Not turn on water heater if cold water supply shut off valve is closed D Do Not allow combustible materials such as newspaper rags or mops to accumulate near water heater 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 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 ai
60. 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 DANGER Households with small children disabled or elderly persons may require a 120 F or lower gas control thermostat setting to prevent contact with HOT water A 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 24 and 25 for more details The temperature of the water in the heater can be regulated by rotating the dial on the front of the 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 gas control thermostat To comply with safety regulations the gas control thermostat was set at HOT position before the water heater was shipped from the factory The HOT dial position corresponds to a water temperature of approximately 120 F DANGER Hotter water increases the otential for Hot Water SCALDS The illustration elow details the approximate water temperature for each mark on the Gas Control Thermostat setting temperature at water Temperature Dial heater DANGER Hotter wea elke Feel water
61. struct 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 The sensor does not require any maintenance or cleaning DO NOT expose to cleaning agents Inspect dilution air holes Make certain no blockage exists Clean any lint dirt or oil accumulation that may exist Test for spillage at the dilution air holes after 5 minutes of burner operation Place a blown out match or candle close to the dilution are holes The smoke from the candle or match should be drawn into the dilution air holes If the smoke is pushed away from the dilution air holes the blower or vent system may be blocked Contact qualified service personnel CAUTION For your safety cleaning of the burner must be performed only by qualified service personnel as it involves the disconnection of gas piping and leak testing The burner chamber is a sealed area If the burner access door is removed the burner access door gasket must be replaced For cleaning remove the burner from the water heater A vacuum cleaner can be used on the burner and floor shield inside the water heater The burner can also be cleaned by scrubbing with mild detergent 27 Care and cleaning of the water heater NOTICE Refer to the Hydrogen Gas Caution in the Operating Instructions NOTICE
62. t of vent terminal All painted surfaces should be primed to lessen the chance of physical damage Painted surfaces will require maintenance Insulate vent pipe exposed to cold conditions attics crawl spaces etc with inflammable material to help prevent moisture from accumulating in vent pipe Do Not extend exposed vent pipe outside of building NOTICE All pipe fittings solvent cement primers and procedures must conform to American National Standards Institute and American Society for Testing and Materials ANSI ASTM standards From Water Heater in 12 Above Roof Min 12 Above L_ Anticipated Snow Level Max 24 Above Roof Without Additional Support 2 x 2 Sheet Metal Shieldon Brick or Masonry Walls Vent Terminal with Mesh Protective Screen Inside ees ae See ste E SSTA DIIS PENISIN ES ESIH 2D 5 god Outside of ISSS ZSS lt RPO 0209 Building Wall ISIA 2 Insert 1 2 Mesh Protective Screen Inside Terminal Elbow Short Piece of Vent Pipe Vent Pipe Through Roof Vent Terminal Horizontal Vent Installation Once the vent terminal location has been determined make a hole through the exterior wall to accommodate the vent pipe Vent pipe must exit exterior wall horizontally only Insert a small length of vent pipe through the wall and connect the coupling as shown to the left Place the 1 2 mesh metal screen inside the t
63. ter or attempt to relocate them on the exterior of insulation blanket Do not apply insulation to the top of the water heater This will interfere with the safe operation of the blower assembly Do not cover the burner access door jacket door gas control thermostat gas valve or pressure and temperature relief valve Do not apply insulation to the bottom of the water heater or the area where the combustion air inlet openings and Flammable Vapor Sensor are located This area must be unobstructed so as not to restrict combustion air flow to the burner or operation of the sensor Inspect the insulation blanket frequently making certain it has not sagged and it is not restricting the air flow to the combustion air inlet openings perforation holes or the Flammable Vapor sensor located around the lower perimeter of the water heater jacket This could result in an unsafe operating condition Hot and Cold Pipe Insulation Installation Typical vertical piping arrangement For increased energy efficiency some water heaters have been supplied with two 24 sections of pipe insulation Dilution Air Holes Typical horizontal piping arrangement Please install the insulation according to the illustrations above that best meets your requirements Location of Dilution Air Holes Heat Trap For increased energy efficiency some water heaters have been supplied with factory installed 3 4 NPT heat traps in the h
64. 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 1 4 per foot maximum slope up or Heat trap 6 minimum Hot water outlet to fixtures Water Heater Jacket Temperature and pressure relief valve Manual gas shut off 7 To gas supply gt Ground joint union Sediment trap Cap Thermostatic gas valve Jacket door Flammable Vapor Sensor Auxiliary catch pan Drain Pan Pipe to suitable drain 9 down for horizontal venting Blower assembly Union Heat trap Shut off 6 minimum valve To cold water supply Shut off valve Thermal expansion tank if required Relief valve discharge line to suitable open drain Combustion Air Inlet Openings 6 Air gap LY SS Installing the water heater A new combination temperature and
65. through roof Connect short piece of vent pipe approximately 3 long to elbow then insert 1 2 mesh metal screen into terminal elbow and join it to the short piece of vent pipe pipe passes through the roof Minimum Vent Restrictor Mesh Vent Pipe Vent Restrictor Install the vent restrictor at the minimum vent length only The vent restrictor should NOT be installed for any vent lengths greater than those on page 13 15 Installing the water heater NOTICE All pipe fittings solvent cement primers and procedures must conform to American National Standards Institute and American Society for Testing and Materials ANSI ASTM standards AWARNING DANGER OF FIRE OR BODILY INJURY Solvent cements and primers are highly flammable Provide adequate ventilation and do not assemble near heat source or open flame Do not smoke Avoid skin or eye contact Observe all cautions and warnings on material containers ACAUTION For proper installation DO NOT use solvent cement that has become curdled lumpy or thickened DO NOT thin solvent cement Observe shelf precautions printed on the containers For applications below 32 F use only low temperature type solvent cement Appropriate solvent and cleaner must be used for the type of vent pipe used PVC CPVC or ABS 16 Cementing Joints All joints in the vent piping must be properly sealed and the following materials are recommended PVC
66. tts 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 plumber 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 b
67. where 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 5 x 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 Time Temperature Relationship in Scalds Time To Produce a Serious Burn D 120 F More than 5 minutes A DANGER Water Temperature 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
68. 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 WARNING A potentially hazardous situation that could result in death or serious injury and or damage to property A CAUTION A potentially hazardous situation that may result in minor or moderate injury Notice Attention is called to observe a specified procedure or maintain a specific condition IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING Be sure to read and understand the entire Use and Care Manual before attempting to install or operate this water heater It may save you time and money Pay particular attention to the Safety Instructions Failure to follow these warnings could result in serious bodily injury or death Should you have problems understanding the instructions in this manual or have any questions STOP and get help from a qualified service technician or the local gas utility NOTICE This water heater is equipped with a flammable vapor sensor that will automatically shut down the water heater in the presence of gasoline vapors and some other flammable vapors If the flammable vapor sensor shuts down the water heater contact a qual

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