Rheem Residential Indoor Gas Tankless Water Heater Water Heater User Manual
Contents
1. 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 Attention is called to observe a specified procedure or maintain a specific condition Notice IMPORTANT SAFETY INFORMATION READ ALLINSTRUCTIONS 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 A DANGER INSTALLAND PROPERLY VENT THE WATER HEATER Failure to properly install the water heater outdoors as outlined in 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 installed properly and has an adequate air supply for proper operation Be sure to inspect the flue terminal for proper installation at2. Adjustment Screws Bracket BOTTOM To supply hot water to upper floors additional water pressure 0 44 psi ft must be ensured The measurement should be calculated by the distance between the water inlet of the water heater ground level to the hot water faucet upper floor level Well water systems should be set at a range of 50 60 psi When the water is supplied from a water supply tank the height of the tank and the diameter of the pipes and their relation to water pressure should be taken into consideration Gravity water pressure is not recommended Notice If the water flow resistance of a Shower head 1s too high the burner in the water heater will fail to ignite Keep the shower head clean from debris that could cause additional pressure drop Notice If using mixing valves on the outlet choose one which prevents cold water pressure from overcoming hot water line pressure Installing the water heater Water Supply Connections Continued Water Filter Cheam the Water Filter Water Inlet Check Valve Nipple Install a shutoff valve near the inlet of the water heater for service and draining purposes DO NOT use pipes with smaller diameters than the water supply connection of the water heater Before connecting the water supply pipe to the water heater open the shutoff valve and clean out sand debris air caulking material etc inside the pipe Connect to the water inlet
3. Use amp Care Manual With Installation Instructions for the Installer Residential Indoor Gas 136 000 BTU Max Input Tankless Water Heater A Warning This water heater is not suitable for use in manufactured mobile homes The purpose of this manual is twofold one to provide the installer with the basic directions and recommendations forthe proper installation and adjustment of the water heater andtwo tothe owneroperator to explain the features operation safety precautions maintenance and troubleshooting of the water heater This manual also includes a parts list It is imperative that all persons who are expected to install operate or adjust this water heater read the instructions carefully so they may understand how to perform these operations If you don t understand these instructions or any terms within it seek professional advice Any questions regarding the operation maintenance service or warranty of this water heater should be directed to the seller from whom it was purchased If additional information is required refer to the section on If You Need Service Do not destroy this manual Please read carefully and keep in a safe place for future reference A Recognize this symbol as an indication of Important SafetyInformation A California Proposition 65 Warning This product contains chemicals known to the State of California to cause cancer birthdefects or other reproductive harm WARNING
4. If the in formation in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death A FOR YOUR SAFETY Immediately call your gas supplier from a Do not store or use gasoline or other neighbor s phone Follow the gas flammable vapors or liquids or other supplier s instructions combustible materials in the vicinity of this or If you cannot reach your gas supplier call any other appliance To do so may result in an the fire department explosion or fire Do not return to your home until authorized by the gas supplier or fire department WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Improper installation adjustment alteration service or maintenance can cause property 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 Safety Information Safety Precautions 3 6 LP Gas Models n an 5 Installation Instructions EO CANON ey ay ee ee 7 Water Connections 9 10 Gas SUppiIy e eee ee ene 11 High Altitude oroare 11 AVG Ne TS 9 eee ee eee 12 15 Electrical Connection 16 Typical Installation 17 Pipe Insulation ea 18 Installation Checklist 19 Operating Instructions Lighting Instructions 20 Water lemperature
5. death serious injury explosion or fire To avoid the risk of fire explosion or asphyxiation from carbon monoxide NEVER operate the water heater unless it is properly vented and has adequate air supply for proper operation as outlined in the Venting section of this manual AWARNING Use UL approved Category III Stainless Steel vent material only No other vent material is permitted A WARNING Refer to page 7 for clearances to combustible material Maximum Length of Number of 90 elbows bends Straight Pipe One 1 90 Elbow is Equivalent to 5 Feet of Straight Pipe Vent Seam Venting The installation of venting must comply with national codes local codes and the vent manufacturer s instructions The water heater must be vented to 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 All vent components adapters pipe elbows terminals etc should be UL1738 Certified Stainless Steel Venting Material e g AL29 4C The specified vent termination must be used The termination should be a 90 elbow type with screen Refer to page 15 Use a vent pipe with an anti disconnection structure The use of a High Temperature Silicone 500 F may be required to seal vent connections To prevent accidental gas exhaust leakage apply a 1 4 wide bead approximatel
6. lt ta Me 22 Care and Cleaning Mirai Ve Mal Coat ee 23 Housekeeping c m 23 24 Vent Inspection aan nane 24 Burnner Inspection 24 Extended Shut Down 24 Dianine ee EE 25 Troubleshooting Tips Before You Calla For Scin IC cre trees 20 27 Customer Service Pare Wis te der a 28 V FOR YOUR RECORDS Write the model and serial numbers here Ht You can find them on a label on the appliance Staple sales slip or cancelled check here Proof of the original purchase date is needed to obtain service under the warranty READ THIS MANUAL Inside you will find many helpful hints on how to use and maintain your water heater properly A little preventive care on your part can save you time and money over the life of your water heater You ll find many answers to common problems in the Troubleshooting Guide If you review the chart of Troubleshooting Tips first you may not need to call for service READ THE SAFETY INFORMATION Your safety and the safety of others are very important There are many important safety messages in this manual and on your appliance Always read and obey all safety messages This is the safety alert symbol Recognize this A symbol as an indication of Important Safety Information This symbol alerts you to potential hazards that can kill or hurt you and others All safety messages will follow the safety alert symbol and either the word DANGER WARNING
7. unconditioned space or having long horizontal or vertical runs may accumulate condensate In order to prevent condensate from draining back into the water heater we recommend a condensate trap and drain to be installed in a horizontal vent section as close as practical to the water heater vent connection Installing the water heater Horizontal Vent Terminal Location _ The location of the vent terminal depends on the following So N S minimum clearances and considerations see illustration Soffit vents 4 4 Twelve 12 inches above grade level and above normal snow levels Four 4 feet below or four 4 feet horizontally from any Inside door window soffit under eave vent or gravity air inlet to corner the building or other appliances or from gas or electric Electric 4 7 Fresh meters Do not locate vent above walkways doors meter O s T ka windows air inlets gas or electric meters or other 8 4 intake equipment 10 Ten 10 feet from any forced air inlet to the building y Erne E r Any fresh or make up air inlet such as for a dryer or daN DF Vell T furnace area is considered to be a forced air inlet Eighteen 18 inches from an inside corner formed by two exterior walls SS SS eS Se ee _ Additional Considerations a Rising moisture will Do Not install vent terminal under any patio or deck T ca a collect under Caves If soffit vent 1s too close block off and in
8. allow access to venting l One 1 of these openings should be close to where the Poy vent pipe enters the ceiling The other opening should be i near the vent termination A ventilation hole with a 16 sq in opening should be made at least every 10 feet NOTICE Vent pipes must be completely insulated with inflammable material when installed in alcoves closets and garages and must not touch any flammable material Vent Adapter A UL approved vent adapter is required Tighten the clamp around the collar for vent connection Read the following instructions before Inspect the inside of the adapter to installation verify that the collar and adapter are sealed If more sealant is required Test fit the adapter over the water apply sealant to a flat tool then spread heater collar before proceeding Adjust around the collar edge on inside of clamp as needed adapter With an alcohol wipe clean inside Ensure that the clamp does not interfere surface A of adapter and outside with the damper shaft surface of B of heater collar NOTICE Follow the vent adapter Apply 1 4 wide bead of high manufacturer s instructions temperature silicone 500 F around outside of heater collar B Slide adapter end A down over heater collar B as far as it will go Draining the Condensate Condensate is known to be acidic refer to local state provincial or federal codes for proper handling methods In certain conditions installations in
9. building 14
10. than 1 4 esh to prevent unconfined areas inside the building clogging by lint or other debris Buildings of unusually tight construction shall have the combustion and ventilation air supplied from outdoors or a freely ventilated attic or crawl space Corrosive Atmospheres NOTICE The water heater Should iot be installed weak The air in beauty shops dry cleaning Propellants from common spray cans re establishments photo processing labs or gas leaks from A C and refrigeration an air supply containing ae and storage areas for liquid and powdered equipment are highly corrosive after halogenated hydrocarbons i l bleaches or swimming pool chemicals passing through a flame often contain such halogenated hydrocarbons The water heater warranty is voided when failure of the heater is due to An air supply containing halogenated operation in a corrosive atmosphere hydrocarbons may be safe to breathe but when it passes through a gas flame corrosive elements are released that will shorten the life of any gas burning appliance 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 Verify all included parts are present see below Patt I Wood Serew x 4pcs Washer x 4pcs Exposive screw 2pcs Use amp Care Manual A CAUTION Reinforcement of the wall i
11. alve must be installed at the gas connection ofthe water heater at the time ofinstallation see diagram to the left The branch gas supply line to the water heater should be clean 3 4 black steel pipe or other approved gas piping material A ground joint union or ANSI design certified semi rigid or flexible gas appliance connector should be installed in the gas line close to the water heater The National Fuel Gas Code NFGC mandates a manual gas shut off valve See NFGC for complete instructions If flexible connectors are used the maximum length shall not exceed 36 If lever type gas shut offs are used they shall be T Handle type Leak Testing The water heater and its gas connections must be leak tested at normal operating Turn on the gas shut off valve s to the water heater 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 A sediment trap should be installed at the bottom of the gas line Do not use excessive force over 31 5 ft Ibs in tightening the pipe particularly if teflon pipe compound is used as the unit may be damaged The inlet gas pressure to the water heater must not exceed 10 5 w c for natural or 14 we for LP gas For purposes of input adjustment the minimum inlet gas pressure with main burner on 1s shown on the water heater rating plate If high or low gas pressures a
12. e screw head Hang the center of the upper bracket on the screw Using a wood screw and a washer affix the lower bracket to the wall Left and Right Repeat to affix the top bracket Water Supply Connections Plumbing should be carried out by a qualified plumber in accordance with local codes Use approved plumbing materials only All material between the water supply and the water heater must be metal The diameter of the pipe lines should be a minimum of 3 4 To conserve energy and to prevent freezing insulate both cold and hot water supply lines DO NOT cover the drain valves To ensure proper operation of the water heater the following water pressure guidelines should be followed Operation of the water heater requires the minimum water pressure of 14 psi and a minimum water flow rate of 0 66 gpm Additional water pressure is required for long pipe runs and outlet fitting s water pressure drops To maintain proper performance ensure sufficient water supply pressure The Required Water Pressure Min Operating Water Pressure 14 psi Pipe Pressure Loss Faucet and Shower Pressure Loss Safety Margin more than 5 psi The brackets can be adjusted to change the distance between the back of the appliance and the wall within the range of 3 8 tol 1 2 Loosen the adjustment screws of both the top and the bottom brackets to adjust the distance See diagram below Bracket Adjustment Screws
13. ection Association 1 Batterymarch Park Quincy MA 02269 as NFPA 54 In Canada the latest edition of the CSA B149 1 Natural Gas and Propane Installation and the Canadian Electrical Code CSA C22 1 Part 1 in the absence of local codes A WARNING Combustible construction refers to adjacent walls and ceilings and should not be confused with combustible or flammable products and materials Combustible and or flammable products and materials should never be stored in the vicinity of this or any gas appliance Minimum Clearance from Combustible Construction min 13 240 Pun ts recommenied for scrvpce op 12 Back wath appari bracket le p2 Botiom 12 i 7 2 minl 2 min Location The water heater should not be located in an area where leakage of the heat exchanger or connections will result in damage to the area adjacent to it 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 combustion air flow 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 Because of natural air movement ina ro
14. hen it is not possible to vent witha downward slope however a UL approved Category III Stainless Steel condensate trap MUST be installed at the beginning of the horizontal run See page 15 Typical Horizontal Termination w 1 4 per foot UPWARD Slope or page 16 Standard Vertical Vent Termination for examples MINIMUM VENT LENGTH The venting may be as short as 12 provided one vent termination is installed to the outdoors through a sidewall one 90 elbow is included in the installation and the wall thimble is installed Notice Make sure that the seam of the vent pipe in horizontal runs is toward the top of the installation see illustration to the far left 1 4 per foot downward slope High Temp Inspection Hole 1 Exhaust Flow i i A Sealant i 13 Water Heater Insulation Material Sy Ceiling Board _ Vent Adapter _ Clamp Collar fent Pipe Venting Through Closed Spaces If the vent piping passes through a closed space wrap the vent pipe with inflammable insulation material that is at least 3 4 thick DO NOT let the insulation material make contact with flammable materials A minimum clearance of 3 between the vent pipe and ceiling should be maintained Be sure to follow local codes Wall Thimble For maintenance and inspection purposes the following holes are required to be made Two 2 inspection openings that
15. hich causes the odorant to diminish in intensity can also hide or camouflage a gas leak Water heaters utilizing LP gas are different from natural gas models A natural gas water heater will not function safely on LP gas and vice versa Notice If a gas leak is present or suspected Do not attempt to find the cause yourself Do not try to light any appliance Do not touch any electrical switch Do not use any phone in your building Leave the house immediately and make sure your family and pets leave also Leave the doors open for ventilation and contact the gas supplier a qualified service agency or the fire department 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 No attempt should ever be made to convert the water heater from natural gas to LP gas To avoid possible equipment damage personal injury or fire do not connect the water heater toa fuel type not in accordance with the unit data plate propane for propane units and natural gas for natural gas units These units are not certified for any other fuel type LP appliances should not be installed below grade for example in a basement if such installation is prohibited by federal state and or local laws rules regulations or customs Propane or LP gas must be used with great caution It is heavier than air and will collect first in lower areas maki
16. inate the be stored or used unless the risk of vapors being ignited main burner flame is at least by the main burner flame Read and follow water heater warnings and instructions If owners manual is missing contact the retailer or manufacturer IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING A DANGER WATER TEMPERATURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting 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 A DANGER ah ed C HOT i nt S D a BURN Water temperature over 125 F can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded See instruction manual before setting temperature at water heater Feel water before bathing or showering Temperature limiting valves are available see manual DOWN ON OFF Time Temperature Relationship in Scalds Water Temperature Time To Produce a Serious Burn 120 F More than 5 minutes 125 F 11 2to 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 1 2seconds 155 F About 1 second Table courtesy of Shriners Burn Institute The chart shown above may be used as a guide in determining the proper water temperat
17. initial start up and at least annually thereafter Refer to the Care and Cleaning section of this manual for more information regarding flue terminal inspection A WARNING Gasoline as well as other flammable materials and liquids adhesives solvents paint thinners etc andthe vapors they produce are extremely dangerous DO NOT handle use or store gasoline or other flammable or combustible materials any where near or in the vicinity of a water heater or any other appliance Be sure to read and follow the 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 A DANGER FLAMMABLES Flammable Vapor Ad Vapors from flammable Water heater has a main liquids will explode and SOIM EE e a catch fire causing death or which can CAME GN severe burns at any time and Do not use or store flammable 2 will ignite flammable products such as gasoline vapors solvents or adhesives in the Vapors same room or area near the 1 cannot be seen water heater are heavier than air Keep flammable products go a long way on the 1 far away trom heater 2 in approved containers floor and can be carried from other rooms to the 3 tightly closed and main burner flame by 4 out of children s reach air currents Installation Do not install water heater 18 above the floor This will where flammable products will reduce but not elim
18. ion and Momsen ventilation If the water heater is installed in 3 a confined space provisions for combustion and ventilation air must be made of not less than one square inch per 4000 Btuh of the total input rating of all the appliances in the enclosure A confined space is one having a volume If horizontal ducts are used to LA of less than 50 cubic feet per 1000 Btuh of communicate with the outdoors each AA the aggregate input of all appliances opening must have a minimum net free o within that space area of not less than one square inch per 2000 Btuh of the total input rating of all The air must be supplied through two the appliances in the enclosure If ducts permanent openings of equal area One are used the minimum dimensions of is to be located within 12 above the floor rectangular air ducts shall not be less than and the other is to be located within 12 a below the ceiling 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 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 determining the size of the openings less than 100 square inches if each Protective screening for the openings MUST opening communicates with other NOT be smaller
19. mally kept closed or in outdoor areas Do not install the water heater in small poorly ventilated rooms or in air tight rooms with air conditioning Do not install water heater where subject to vibrations Do not install the water heater in Recreational Vehicles Mobile Homes Boats and other Watercrafts Do not install the water heater near vents for heating or cooling A minimum of 4 feet should be maintained Minimum clearance from combustible construction is 1 2 sides 0 rear with support bracket 12 from the bottom 12 from the front of the water heater and12 fromthe top 24 from front and top is recommended for servicing purposes If the clearances stated on the Instruction Warning Label located on the front panel of the heater differ install the water heater according to the clearances stated on the label Installing the water heater 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 Combustion and Ventilation Air NOTICE If the water heater is installed in If air is supplied from outdoors directly or an unconfined space within a building of through vertical ducts there must be two conventional frame masonry or metal openings located as specified above and construction infiltration air is normally each must have a minimum net free area adequate for proper combust
20. n of relief valves If local codes require that a temperature and pressure relief valve should be installed the manufacturer recommends a type 40XL Watts T amp P relief valve or an equivalent model be used Notice Manual operation of relief valves should be performed at least once a year Turn off the electrical power and gas shutoff valve Lift and release lever on the relief valve and check the manual operation of the relief valve You should take precaution to avoid contact with the hot water coming out of the relief valve and to prevent water damage Notice If the relief valve on the system discharges periodically a problem exists and service to the water system is required A WARNING 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 Manual dias Supply Line Shut off Valve 2 Manual Gas Apphance a Shut off N Supplied Union pat ry j i ey Sediment i Trap WARNING Never use an open flame to test for gas leaks as property damage personalinjury or pressures before it is placed in operation death could result WARNING Install a gas pressure regulator in the gas supply line which does not exceed the maximum supply pressure DO NOT use an industrial type gas regulator 11 Gas Supply The supplied Manual Gas Appliance Shutoff V
21. ng 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 and natural gas applications and their installation should be in accordance with the detector manufacturer s recommendations and or local laws rules regulations or customs It is recommended that more than one method such as soapy solution gas detectors etc be used to detect leaks in gas applications IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING AWARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion electric shock or to prevent property damage personal injury or loss of life T FOR INSTALLATIONS IN THE STATE OF CALIFORNIA California Law requires that residential water heaters must be braced anchored or strapped to resist falling or horizontal displacement due to earthquake motions For residential water heaters up to 52 gallon capacity a brochure with generic earthquake bracing instructions can be obtained from Office of the State Architect 400 P Street Sacramento CA 95814 or you may call 916 445 8100 or ask a water heater dealer However applicable local code
22. om or other enclosed space flammable vapors can be carried some distance from where their liquids are being used or stored The open flame of the water heater s main burner can ignite these vapors causing an explosion or fire which may result in severe burns death or property damage The water heater must be located so it is not subject to physical damage for example by moving vehicles area flooding etc If the water heater is installed in a garage it should be installed so that the direct ignition system and main burner are no less than 18 inches above the garage floor Raising the gas fired water heater will reduce BUT NOT eliminate the possibility of lighting the vapor of any flammable liquids which may be improperly stored or accidentally spilled The water heater should be installed as close as practical to the vent termination to minimize vent length and the number of elbows required for venting The water heater should be installed with the proper venting materials and termination suitable for Category III venting Failure to install and properly venting the water heater to the outdoors as outlined in the Venting Section of this manual can result in unsafe operation 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 nor
23. re present contact your gas supplier for correction Use a soapy water solution to test for leaks at all connections and fittings Bubbles indicate a gas leak that must be corrected The factory connections 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 shutoff The water heater must be isolated from valve must be disconnected from the gas supply piping system during any pressure testing of the system at pressures in excess of 1 2 psi 14 w c High Altitude Ratings of gas appliances are based on sea level operation and need not be changed for installations at elevations up to 3 000 feet 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 1 2 psi 14 w c NOTICE For installations above 3 280 feet the connector on the PC board must be replaced for High Altitude installations Please contact your local distributor dealer or Rheem for replacement connector Installing the water heater The water heater must be installed with a RTG20002B vent adapter or a UL approved Category III Stainless Steel equivalent DANGER Failure to install the vent adapter 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
24. s required in case the wall is not strong enough to hold the appliance pa A fa Clearance Z AIA T Z n Wood Screw Upper Bracket Washer n E Washer Wond Screw Washer ooh Wood Screw F Ca be wer Bracket 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 water connections on heater Any heat applied to the water supply fittings will permanently damage the internal components of the water heater A CAUTION This water heater must only be used with the following water supply system conditions With clean potable water free of corrosive chemicals sand dirt or other contaminates With inlet water temperatures above 32 F but not exceeding 120 F Free of lime and scale deposits DO NOT reverse the hot and cold water connections The water heater will not operate Mounting the Water Heater Make sure the location of the appliance allows for easy access and operation Wall studs should be utilized when mounting the water heater to the wall In case of dry wall or concrete wall use dry wall anchors or lag bolts The water heater requires 120VAC 60Hz Have a receptacle with ground terminal near the water heater The length of the power supply cord is 10 feet Install a wood screw for the upper bracket with aclearance of 1 8 between the wall and th
25. s shall govern installation For residential water heaters ofa capacity greater than 52 gallons or tankless style consult the local building jurisdiction code 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 Part of your water heater unless it is installing or operating the water heater specifically recommended in this manual All other servicing should be Use thi li ly for its intended SPEDALE ee OT a referred to a qualified technician 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 vaJ YL READ AND FOLLOW THIS SAFETY INFORMATION AJN CAREFULLY SAVE THESE INSTRUCTIONS Installing the water heater This water heater must be installed in accordance with these instructions local codes utility company requirements and or in the absence of local codes use the latest edition of the American National Standard National Fuel Gas Code A copy can be purchased from either the American Gas Association 400 North Capitol Street Northwest Washington DC 20001 as ANSI standard Z223 1 or National Fire Prot
26. stall new vent at Inside Janother location comer 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 Caulk 6caulk Neo r Do Not terminate vent pipe directly on brick or masonry zone window etc starting gt Caulk surfaces Use arust resistant sheet metal backing plate shy ae 2 x 2 feet behind vent See illustration aa et O eS a oo Sfr po tine 5 silicone caulk i AIT ft 1 Do Not locate vent terminal too close to shrubbery as flue ja dq FR Sq sheet metal plate on gasses may damage them brick or masonary surface Caulk all cracks seams and joints within six 6 feet of vent A WARNING Moisture in the flue gas will condense as it terminal 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 to be expected However improper location _ or installation can result in severe damage to the structure Insulate vent pipe exposed to cold conditions attics crawl or exterior finish of the building spaces etc with inflammable material to help prevent moisture from accumulating in vent pipe All painted surfaces should be primed to lessen the chance of physical damage Painted surfaces will require maintenance Do Not extend exposed vent pipe outside of
27. then check water flow Close the shutoff valve and clean the water filter Be sure to connect the water inlet and the hot water outlet as shown on the water heater If reversed the water heater will not function Installation of unions or flexible copper connections are recommended on the HOT and COLD water lines so that the water heater may disconnect easily for servicing if necessary Relief Valve Install a Check Valve between the water heater and the water shutoff valve See illustration the top left The following should be addressed in regards to the HOT WATER OUTLET Connections between the water heater and point s of use should be as short and direct as possible DO NOT use lead or plastic pipe To conserve energy and minimize heat loss insulation of hot water piping is recommended Notice The flow rate of hot water may vary when more than two faucets appliances fixtures etc are being used simultaneously Notice The pipes MUST be completely drainable If the hot water faucets are located at a point higher than the water heater place a drain valve at the lowest point see diagram to the left The discharge line must be NO SMALLER than the outlet of the valve Hot Water Pressure Supply Ed Relief gt Outlet H Supply Line Valve Discharge a line To Suitable Drain 6 Air Gap Notice The above illustrates a pressure only relief valve If local codes require a combina
28. tion temperature and pressure relief valve be installed an extension piece may be needed 10 D Cold Water A new pressure relief valve complying with the Standard for Relief Valves and Automatic Gas Shut Off Devices for Hot Water Supply Systems ANSI Z21 22 must be installed at the hot water outlet connection ofthe water heater at the time ofinstallation Local codes shall govern the installation of relief valves For safe operation of the water heater be sure that 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 No valve of any type should be installed between the relief valve and the water heater Discharge from the relief valve should be piped to a suitable drain to eliminate potential water damage Piping used should be of a type approved for the distribution of hot water Hot and cold water lines should be insulated up to the water heater Refer and must pitch downward 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 Notice Local codes govern the installatio
29. ure for your home A DANGER Households with small children disabled or elderly persons may require a 120 F Or lower temperature setting to prevent contact with HOT water Maximum water temperature occurs while burner is on To find water temperature being delivered turn on a hot water faucet and place a thermometer in the water stream and read the thermometer The temperature of the water at the outlet of the water heater can be regulated by setting the temperature on control panel The control panel was set at 110 F before it was shipped from the factory The illustration to the bottom left illustrates the control panel and how to adjust the water temperature Notice When this water heater 1s supplying general purpose hot water requirements for use by individuals a thermostatically controlled mixing valve for reducing point of use water temperature is recommended to reduce the risk of scald injury Contact a licensed plumber or the local plumbing authority for further information Notice The factory setting allows operating temperatures between 90 F and 140 F A DANGER NATURAL GAS AND LIQUEFIED PETROLEUM MODELS Both 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 w
30. y 1 4 from the end and another bead against the joint side of the stop bead Venting Lengths MAXIMUM VENT LENGTH The system will not operate if there 1s excessive restriction pressure drop in the venting system A maximum of 47 feet 6 inches of vent pipe may be used provided there is only one 90 elbow in the system If additional elbows are required two elbows can be used with 42 feet 6 inches and three elbows can be used with 37 feet 6 inches of vent pipe A 90 elbow is equivalent to 5 feet to straight pipe A 45 elbow is equivalent to 2 feet 6 inches of straight pipe The termination elbow does not count as an elbow when determining total vent lengths 4 per foot downward slope a a a a N S E a E a a i di More than 3 TA Max 2 feel i 12 Follow vent manufacturer s installation instructions The unit can be vented either horizontally or vertically Vent pipe runs must be adequately supported along both horizontal and vertical runs The maximum recommended unsupported span should be no more than five 5 feet Support isolation hanging bands should be used DO NOT use wire See diagram below The vent can be installed with a slight downward slope of 1 4 per foot of horizontal run toward the vent terminal see diagram below This ensures that any condensate formed during operation of the unit is evacuated from the appliance A 1 4 per foot upward slope is acceptable w
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