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Rheem Tankless Mid-Efficiency 64 Direct Vent Indoor Use & Care Manual

1. POUR USAGE A UNIQUEMENT mores ans TYPE DE GAZ GAZ MAXIMUM INLET GAS PRESSURE we PRESSION MAXIMALE D ALIMENTATION DE GAZ po CE MINIMUM INLET GAS PRESSURE wc PRESSION MINIMALE D ALIMENTATION DE GAZ po CE RECOVERY RATING GALLONS HR TAUXDERECUPERATION J GALLONS US HR MAXIMUM WORKING PRESSURE 150 psi PRESSION MAXIMALE DE TRAVAIL lb po2 ELECTRICAL RATING 120V 60HZ LESS THAN 2 AMPS ETALONNAGE LECTRIQUE 60 2 MOINS DE 2 AMPERES MAXIMUM INPUT K m ENTR E MAXIMALE MINIMUM INPUT BTU HR ENTR E MINIMALE MANIFOLD PRESSURE we tonwax wow neon PRESSION AU COLLECTEUR po POUR ENTREE MAXIMALE This appliance must be installed in accordance with local codes or in the absence of local codes the National Fuel Gas Code ANSI 2223 1 54 or the CSA B149 1 Natural Gas and Propane Installation Code WIRING DIAGRAM BEHIND THE FRONT COVER Cet appareil doit tre install conform ment aux codes locaux ou en l absence de codes locaux selon le code national du gaz ANSI Z223 1 NFPA 54 ou la norme CSA B149 1 Code d installation pour gaz naturel et propane LE SCHEMA DE CABLAGE SE TROUVE DERRIERE CE COUVERCLE FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS LIQUIDS INTHE VICINITY OF THIS OR ANY OTHER APPLIANCE POUR VOTRE S CURIT NE PAS CONSERVER OU UTILISER D ESSENCE OU AUTRES VAPEURS OU LIQUIDES INFLAMMABLES AUX ABORDS
2. properly installed with discharge line running to open drain Discharge line protected from freezing if necessary D Gas Supply Gas type matches listing on rating plate Gas supply pressure is sufficient for the water heater Gas line equipped with shut off valve union and sediment trap as described on page 53 Approved pipe joint compound has been used on all gas pipe connections All connections and fittings have been checked for leaks with a soapy water solution Gas company inspected installation if required E Electrical Wiring Supply cord and or wiring meets all local codes National Electrical Code ANSI NFPA 70 in the U S or Canadian Electrical Code CAN CSA C22 1 Part 1 in Canada Voltage matches listing on rating plate Water heater is properly grounded F Condensate L Drain hose is attached to the condensate collector and condensate is drained as described on page 37 61 INSTALLATION INSTRUCTIONS Space Heater 62 Piping for Space Heaters Local codes or plumbing authority requirements may vary from the instructions or diagrams provided in this manual and take precedence over these instructions Combination Potable and Space Heating Application ADANGERS 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 l
3. HNTINOI 3009 3009 40109 nag i INEENS 193410 1N3 3 N nvuouns una 31300 8104 11830 30 HNILdYO Vg 3H NIV HOSNAS MOTH ug PEA JONYWNOOFTL OHINOD ve giaisnd 31038 ve asnd ro 8 N o t 9 6 Ho Ml e MI col i 10 e slot ANHE HA l 0 l EMH wi 0 WA 9 UR ki Hoe 39vddnvHO WA AD M 9 M9 9 1S08 HLLNV 3 5 0 0 6 8 SAT NOLLYNY30 30 79 6 YALINOI 300810313 HOLON 108INOO 590 8 FONVISISSY HOISISSY 18 4 MN ZWO Y 3dAL 30 WIBI be 01 000 p iv Ml S noeg ad andre INI IVINBON 0600 0 NA GIONSTOS M 810311025 X ons LIN S 9 ES o ATvnsn ats 5000 e cube V DI PY INVA 053105 30300810313 JA 2 SNWAOWLOSTA Z a08 INY4 2 ANA GIONSTOS WE SATWAOHLOITA EE 03108 3030041930 XVWNOInOS NINNOIROB NOLIRBXNA NOLIN NIN 4 71 dou 0 22799 v
4. Drain the water heater See page 20 17 a i CARING FOR YOUR WATER HEATER Care and Cleaning cont A CAUTI ON po nor tap or force the A CAUTION overtighten the filter during removal This can deform and or damage water filter Overtightening can deform and or damage the filter the filter e SS 2 5 LLON DA 66 4 CF G o yA Unscrew the water filter from the base of the cold Replace the filter in the cold water inlet line and water inlet line and carefully slide it out tighten until it is snug of the line Clean the water filter under running water To remove Turn on the water supply reconnect the electrical severe sediment and dirt use a soft brush supply and turn on the water heater 18 CARING FOR YOUR WATER HEATER Preventive Maintenance AWARN NG Failure to perform routine N OTI GE If the pressure relief valve on the hot preventive maintenance can prevent the water heater water heater discharges periodically this may indicate a from operating properly Improper operation can cause problem in the water system Contact the water supplier carbon monoxide dangers excessive water temperatures or a plumbing contractor to correct the problem DO NOT and other potentially hazardous conditions resulting in plug the relief valve outlet death personal injury and or product damage
5. Temperature Maximum Temperature Adjustment by Agjustment the Main Remote Control UMC 117 Fb 4 4 ON OFF water Button and emperature 2 Indicator ADANGER water temperatures above 125 F 52 C will result in death and or severe burns from scalding AWARN NG Refer to chart below and the To change the temperature settings up to scald potential warnings on page 4 on this manual before 140 F 60 C making an adjustment Changing this setting is done at your own risk Time Temperature Relationship in Scalds Water Time to Produce Temperature a Serious Burn Turn on the remote control 120 F 49 C More than 5 minutes 125 F 52 C 1 1 2 to 2 minutes E 130 F 54 C About 30 seconds 135 F 57 C About 10 seconds 140 F 60 C Less than 5 seconds 145 F 63 C Less than 3 seconds Turn off the gas and water to the water heater by 150 F 66 C About 1 1 2 seconds closing the shut off valves 155 F 68 C About 1 second Table courtesy of Shriners Burn Institute Residential water heater temperatures can be adjusted up to 140 F 60 C DO NOT perform the following adjustment if a setting of up to 140 F 60 C is not required Press the UP adjustment button repeatedly until 120 F 49 C shows in the LED display Hold the UP button until 120 on the display starts to blink N OTI C display only shows F 65
6. To conserve energy and to prevent freezing insulate both COLD and HOT water supply lines DO NOT insulate the pressure relief valve Recirculation Direct recirculation is allowed provided the loop is thermostatically controlled and a timer is used to turn the pump off during off peak periods The pump must be sized for a minimum of 5 gpm at 25 ft of head plus building head A 10 F difference between the loop thermostat setting and water heater temperature setting must be maintained INSTALLATION INSTRUCTIONS Water Supply Connections cont To ensure proper operation of the water heater follow these water pressure guidelines Operation of the water heater requires a minimum water pressure of 14 psi 97 kPa and a minimum activation water flow rate of 0 4 gpm 1 5 Ipm Continuous operation of the water heater requires a minimum water flow rate of 0 25 1 01 Ipm Water pressure of 40 psi 276 kPa is required to achieve maximum flow rate To maintain proper performance there must be sufficient water supply pressure Required Water Pressure Min Operating Water Pressure 14 psi 97 kPa Pipe Pressure Loss Faucet Pressure Loss Safety Margin more than 5 psi 34 kPa Water Supply Installation NOTICES Use only Teflon tape on all COLD and HOT water connections f the water flow resistance of a showerhead is too high the burner in the water heater will fail to ignite K
7. Discharge Line To Suitable Drain INSTALLATION INSTRUCTIONS Water Heater Installation cont Typical Installation of Outdoor Water AWARNING po nor install this Heater No Venting Required water heater indoors or in a confined area It is designed for outdoor installation only Any other type of installation This water heater is for OUTDOOR can result in death personal injury and or damage to the installation only product or property Hard Wire Flue Terminal 2 4 rr 2 2 C Pd 2 Water Filter mH ELTE i Hot Water 41 Faucet s Relief fr Manual Gas Manual Gas Shut Off Valve R Shut Off Valve Supply Line D Union __ Sediment Trap i __ Cold Water Supply Shut Off Valve 6 150 mm Air Gap arge Line qe Suitable Drain Alternate Water Piping Arrangement With Preferred Valve Kit A valve kit is available and can be used with all models See Water Supply Connections on page 46 for installation instructions 32 Mounting the Water Heater A CAUTI ON Reinforcement of the wall is required in case the wall is not strong enough to hold the water heater Failure to do so could result in personal injury and or product damage The mounting location for the water heater should allow for easy access and operation The water heater
8. GAS EQUIPMENT VENTING SYSTEM PROVIDED When the manufacturer of product approved side wall horizontally vented gas fueled 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 VENTING SYSTEM NOT PROVIDED When the manufacturer of 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 following requirements shall be satisfied by the manufacturer 1 The referenced special venting systems 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 equipme
9. Minimum clearance around the coaxial vent pipe should VA B149 1 in Canada installation meet the specifications listed on the instruction warning label on the water heater If no label is found use the vent manufacturer s specifications or a minimum PN BO NOT AIG water near clearance of 0 in 0 cm around the vent pipe it is subject to vibrations DO NOT install the water heater in a recreational vehicle mobile home boat J or other watercraft NOT install the water heater near vents for heating and cooling If necessary maintain a minimum clearance of 4 ft 1 2 m General 30 INSTALLATION INSTRUCTIONS Water Heater Installation Product Inspection e Visually inspect the water heater for any possible damage Check the rating plate on the water heater to make sure the water heater was designed to be used with the supplied type of gas natural or LP Manual Gas Shut Off Valve Corrosive Atmosphere NOTICE the water heater should not be installed near an air supply containing halogenated hydrocarbons Avoid installing a water heater in any of the following locations beauty shops dry cleaning establishments photo processing labs and storage areas for liquid and powdered bleaches or swimming pool chemicals These locations often contain such halogenated hydrocarbons e Verify that all included supplied parts are present as shown N
10. INSTALLATION INSTRUCTIONS Setting the Water Temperature cont PRIORITY PRIORITY m OP While 120 is blinking press the UP and DOWN Press the DOWN adjustment button repeatedly until adjustment buttons at the same time 140 will 100 F 38 C or 85 F 29 C shows in the LED appear without blinking display Hold the DOWN button until the number on the display starts to blink PRIORITY Press the UP or DOWN adjustment button to set the desired temperature While the number is blinking press the UP and DOWN adjustment buttons at the same time The number will stop blinking PRIORITY t UN 2 IT 8 TRUM Turn on the gas and water to the water heater by opening the shut off valves Press the UP or DOWN adjustment button to set the To limit maximum water temperature setting desired temperature to 120 F 49 C Turn on the gas and water to the water heater by Turn on the remote control opening the shut off valves Turn off the gas and water to the water heater by closing the shut off valves StartiAdjust 66 INSTALLATION INSTRUCTIONS Setting the Water Temperature cont Minimum Temperature Adjustment by the Main Remote Control UMC 117 USC1 117 and USC2 117 Residential water heater temperatures can be adjusted down to 85 F 29 C when required To change the temperat
11. Properly maintaining your water heater will ensure dependable trouble free service User Preventive Maintenance Establish and follow a routine preventive maintenance program The following suggested items should be included in your program Inspect and keep the area around the water heater clear and free of flammable materials such as gasoline and other flammable vapors and liquids e Visually inspect the water heater for damage and or denting If present contact a service personnel to verify proper operation Check for abnormal sound during normal operation e g hissing or banging noises Contact a qualified service technician or plumbing contractor e Check all gas and water pipes for leaks See page 54 Monthly check and clean the water filter See Water Filter Cleaning on page 17 AWARN NG Hot water is released during NOTICES manual operation of the relief valve Make sure all people 00 operate the if you feel and animals are clear from the area before performing PO NOTA 5 Sidi ht p this check to prevent death personal injury and or property damage from hot drain water the unit e After inspections maintenance and or cleaning ensure proper operation by turning on a hot water faucet Professional Preventive Maintenance It is recommended that a periodic inspection of the water heater burner relief valve air intake filter water filter and venting system be made by
12. T C 4 7 T C K Screws CE Washers Remote Control Cable Pressure Relief Valve Some models only The air supply containing halogenated hydrocarbons is safe to breathe but when passed through a gas flame corrosive elements are released that will shorten the life of any gas burning appliance 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 void when the failure is due to operation in corrosive conditions INSTALLATION INSTRUCTIONS Water Heater Installation cont euan N OTI GE The National Fuel Gas Code NFGC and CAN CSA B149 1 mandate a manual gas shut off valve See NFGC B149 1 for complete instructions Local codes or plumbing authority requirements may vary from the instructions or diagrams provided and take precedence over these instructions Typical Installation of Direct Vent Water Heater Venting Required 1 4 Per Foot Downward E recommended gm Vent Termination With Protective Screen ocf D condensate Trap r Drain Dispose of condensate in accordance to local codes Water Filter To Hot Water Manual Gas r M anual Gas amp Supply Line Faucet s E Shut Off Valve Valve il Union H dd TRINA __ Sediment Trap p Cold Water Supply Shut Off Valve L 150 mm mm
13. applicable local codes shall govern installation For residential water heaters of a capacity greater than 52 gallons or tankless style consult the local building jurisdiction code for acceptable bracing procedures IMPORTANT SAFETY INFORMATION General Installation and Maintenance Safety AWARNINGS 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 NFGC ANSI Z223 1 and National Fire Protection Association NFPA 54 or in Canada CAN CSA B149 1 Natural Gas and Propane Installation Code and the latest edition of the National Electrical Code ANSI NFPA 70 or in Canada Canadian Electrical Code CAN CSA C22 1 Part 1 f local codes require the application of external insulation blanket kits carefully follow the manufacturer s installation instructions included with the kit Only use blanket kits that are approved for use with your water heater For your safety DO NOT attempt to disassemble this water heater for any reason Improper adjustments alterations service or maintenance can cause death personal injury or property damage PRODUCT INFORMATION For Your Records Write down and save the following product information along with the original sales slip and or cancelled check The model and serial numbers can be found o
14. insulate drain line or pressure relief valve Alternate Water Piping Arrangement With Preferred Valve Kit Service valve kits can attach to all tankless water heater systems All kits include two full port isolation valves to be used in the COLD and HOT water lines When installed these valves allow one person full diagnostic testing and ease of flushing the system Contact your distributor or place of purchase for availability and installation information a AR ON Hot wats Service Valve Water Outlet Drain INSTALLATION INSTRUCTIONS Relief Valve 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 CSA 4 4 must be installed at the HOT water outlet connection of the water heater during installation Local codes shall govern the installation of any relief valves NOTICES e The following drawing illustrates a pressure only relief valve If local codes require a combination temperature and pressure relief valve you may need to install an extension piece to ensure that the relief valve probe is not directly in the flow path of the water e Local codes govern the installation of relief valves If local codes require that a temperature and pressure relief valve be installed the manufacturer recommends a type 40XL Watts temperature and pressure relief valve or equivalent model be used e Manual oper
15. 3 280 feet 1 000 m thru 6 560 feet 2 000 m 6 560 ft 2 000 m change the third switch on DIP 2 to the ON position UP Dip switch adjustment 6 560 feet 2 000 m thru 9 840 feet 3 000 m If altitude is above 6 560 ft 2 000 m and below 9 840 ft 3 000 m change the fourth switch to the ON position UP NOTICE po not alter any other DIP switch settings The manifold pressure will be reduced accordingly Turn on the gas and water to the water heater by opening the shut off valves PARTS REPLACEMENT Parts Ordering AWARN ING For your safety DO NOT attempt to disassemble repair or replace any portion of this unit Refer all repairs service and or adjustments to qualified service personnel Address all parts orders to the distributor or store where the water heater was purchased All parts orders should include The model and serial number of the water heater from the rating plate Specify the gas type natural or LP as marked on the rating plate Parts description as shown below and number of parts desired Direct Vent Gas Components 69 sued 70 PARTS REPLACEMENT Outdoor Gas Components Water Control Valve Water Bypass Valve Water Inlet Connector 3 4 LIMITED WARRANTY For the RHEEM RUUD Richmond Paloma and Sure Comfort Resid
16. 5 w c 2 6kPa for Natural Gas or 8 0 W C 2 0kPa 13 0 w c 3 2kPa for LP gas a gas pressure regulator must be installed to maintain the allowable inlet gas pressure Should overheating occur or the gas supply fail to shut off turn off the manual gas control valve to the water heater ACAUTIONS DO NOT attempt repair of electrical wiring gas piping remote control burners vent connectors or other safety devices Refer repairs to qualified service personnel e Turn off the manual gas 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 DO NOT turn on the water heater unless the water and gas supplies are completely opened NOTICE The factory setting allows operating temperatures between 100 F 38 C and 120 F 49 C Temperatures of 85 F 29 C and up to 140 F 60 C can be achieved with the MAIN UMC 117 remote control Temperatures of 85 F 29 C can be achieved with the Bath USC 117 or USC2 117 remote control Only qualified service personnel should perform this adjustment Only factory authorized remote control s should be used Safety IMPORTANT SAFETY INFORMATION Before operating this water heater be sure to read and follow the instructions on the label pictured below and all other labels on the water heater as well as the warnings printed in this manual Failure to do so can result in
17. Code Display Button and Indicator NOTICES The temperature set point on the standard remote control cannot be increased above 112 F 44 C when a hot water faucet is in the open position To achieve temperatures above 120 F 49 C or 85 F 29 C contact a qualified service technician Only factory authorized remote control s should be used The water heater may not operate with a small water flow Increase the water flow and recheck If it still does not operate with the hot water faucet completely open increase the temperature setting on the remote control Water Heater Facts A DANGER water temperatures above 125 F 52 C will result in death and or severe burns from scalding The hottest temperature water will be at the faucet closest to the water heater Always remember to test the water temperature with your hand before use Always supervise young children or others who are incapacitated The water heater is equipped with a device that will shut off the gas supply to the burner if the water heater exceeds normal operating temperatures Any water heater that has been subjected to fire flood physical damage or been under water should be turned off at the manual gas shut off valve and not used until it has been checked by qualified service personnel CARING FOR YOUR WATER HEATER Water Heater Inspections Venting System Direct Vent Only Condensate Trap Direct Vent Only The ven
18. DE CET APPAREIL OU DE TOUT AUTRE Dui Ke DEGAGEMENT MINIMAL DE TOUTE CONSTRUCTION COMBUSTIBLE OU NON COMBUSTIBLE 4 CEU PIDE E DA PATET E SOL 12 pa DEDEGAGEMENT A LAVANT AVIS UN Fa de egen banen water heating appliante Toe chemical such as used for baller Mestwet sral not be introduces ite the potable wate heater used for space isting A prestre tl vale uted ar comping wt the Standard far Rai time of installat on af the neater cecal codes shali govern the stalls Tele devices For sate operation 9f the water eater the relie valve mant lt lt Convenable pour chaufage de eau potable et des locaux gt gt lt lt Le cheutleeau Sedat pas tre raccorde A tout systeme ou element de cheuffage LEs aeee un apparet de cha Fens nan potable ber pede ane soupape de sarete de pression comme stant conforme a norme pour ies soupsper ae secure ot disposi dante automatique gu gez pour ler Oder ie lique Sc UNE SOUPAPE BE SURETE DE PRESTO d et d entretien Bieten fewer ia soupape damit de ger el PRODUCT INFORMATION General Descriptions Typical Direct Vent Water Heater Venting Required Condensate Remote Control With Power Switch 9m Drain Dispose of condensate in accordance with local codes Water Filter p Manual Gas To Hot Water pply Line Faucet
19. Foot Downward Slope x Eus i mi Bilis 2 max mi 3 610 mm ra Vent Pipe Wall Plate r1 Fire Inspection Ceiling Inspection Stop Access Panel Access Panel Optional Optional Attach required vent sections between the water heater collar and the horizontal vent termination ACAUTI ON The condensate collector must be used in horizontal terminations if vertical rise in the vent system exceeds 2 feet 610 mm Maintain the proper clearance between the vent pipe and combustible or noncombustible materials as described on page 29 e A zero clearance of 0 in 0 cm is allowed between the air intake pipes and combustible material Use proper support for the vent and air intake pipes as described on page 34 Support method used should isolate the vent pipe from floor joists or other structural members This helps prevent transmission of noise and vibration DO NOT support pin or secure the venting system in a way that restricts the normal thermal expansion and contraction of the chosen venting material 42 B 55 INSTALLATION INSTRUCTIONS Vertical Vent Installation AWAR NIN G Follow the vent manufacturer s installation instructions since design might vary from manufacturer to manufacturer Improper vent installation can result in death personal injury product damage and or poor performance NOTICES Only Rheem approved termination and parts should be used
20. INVA QIONTIOS 99990 EMS IMS pP 103401 V F130ON 04 INST INAS 10380 18 9 EEY PEZL KINO 1300 03810 Y 31300 BNOd AINO THOON IN3AL034IC BOOONI 03 did YNALOVLNOD xd HOLIMS 40 SHON NO did YNSLOVLNOO E HOLIMS did SHOWN NO AE YNILVILLNIA una3lON YOLOW 391192 3d VIN3H2S Wva9VIa 56 INSTALLATION INSTRUCTIONS Electrical Wiring cont Remote Control Selection and Location AWARNI NG wiring connections and electrical grounding must comply with local codes or in the absence of local codes with the latest edition of the National Electrical Code ANSI NFPA 70 in the U S or Canadian Electrical Code CAN CSA C22 1 Part 1 in Canada NOTICES The provided remote control will allow maximum temperature settings of 120 F 49 C Temperatures up to 140 F 60 C for residential applications and up to 185 F 85 C for commercial applications can be achieved with the MAIN UMC 117 remote control Only qualified service personnel should perform this adjustment An optional cable EZ Link Cable can be purchased separately to manifold two water heaters together remote control All controls are sealed and calibrated for accurate water heater control and operation FN DO NOT attempt to disas
21. Information section on pages 2 8 in this manual Turn the gas shut off valve clockwise to the OFF position This valve is located on the outside of the water heater Wait 5 minutes to clear any gas If you don t smell gas proceed to Step 3 NOTICE i you smell gas STOP and follow the safety instructions listed under B on the operating label or on the front cover of this manual e e ID Turn the gas shut off valve counterclockwise to the ON position water heater burner will automatically light when there is a demand for hot water AWARN ING not attempt to light the burner by hand Lighting the burner by hand is an unsafe operating condition that can result in death personal injury property damage and or product damage If the water heater burner will not light turn off the water heater as described below and call your service technician or gas supplier Shutting Off the Water Heater Turn the gas shut off valve clockwise to the OFF position INSTALLATION INSTRUCTIONS The contents on pages 65 through 68 should only be performed by qualified service personnel Setting the Water Temperature AWARNING Improper adjustment Indicator alteration service or maintenance can result in death In Use ae Indicator personal injury property damage and or product Lit during damage operation
22. NOT connect the exhaust vent to an existing vent pipe or chimney OUTDOOR TANKLESS WATER HEATERS AN S S lt X x x 5 lt x x Rising moisture will collect under eaves o Caulk l If soffit vent is too close Hmm block off and install new Inside vent at another location Corner 16 1 8 m Caulk zone 3 or to edge of window Caulk etc starting within EE 6 1 8 m l Caulk D ka ey Ld 12 1 2 m 300 mm Install outdoor water heater such that air inlet and flue outlet are above anticipated snow level INSTALLATION INSTRUCTIONS Horizontal Vent Installation AWAR N N G Follow the vent manufacturer s installation instructions since design might vary from manufacturer to manufacturer Improper vent installation can result in death personal injury product damage and or poor performance ACAUTION use UL approved Category III Stainless Steel vent material only No other vent material 7 is permitted for use with this appliance Apply high temperature silicone sealant or silicone latex caulk around the vent section Completely seal ee where it passes through the wall plate and where it is attached to the structure This will provide weat
23. OFF before removing protective cover for any reason Electric shock will cause death or serious personal injury AWARN NG For Your Safety DO NOT attempt repair of electrical wiring gas piping remote control burners vent connectors or other safety devices Refer repairs to a qualified service technician When an error code is displayed Turn on a hot water faucet and recheck the remote control display If the error code remains in the display 1 Turn off the hot water faucet 2 Turn off the water heater 3 Unplug the water heater from power wait about 30 seconds and plug back in 4 Follow the error code chart information 5 Restart the water heater turn on a hot water faucet and recheck the remote control display If the error code is still shown 1 Turn off the hot water faucet 2 Turn off the water heater 3 Make note of the displayed error code and call for service assistance See Call for Assistance section on page 26 Turn off the water heater by pressing the POWER ON N OTI CE If the displayed error code is not listed in OFF button on the remote control the chart immediately turn off the water heater and call for service assistance 25 CARING FOR YOUR WATER HEATER Q Service Error Code Chart cont Error Code Possible Cause Solution Water heater has buildup of lime deposits Contact a dealer or qualified service technician Air intake or vent exhaust opening
24. a qualified service technician Annually check the operation of the pressure relief valve Lifting the lever handle on the pressure relief valve opens the valve to flush hot water through the discharge line to the drain After several gallons have drained release the lever handle to close the valve and stop draining 19 Gas CARING FOR YOUR WATER HEATER Draining the Water Heater AWARN NG Failure to follow these draining instructions can cause serious personal injury from scalding and or product damage Turn off the water heater by pressing the POWER ON UA z OFF button on the control panel o P e 9 G Using a suitable container to catch the water remove tt the water filter from the base of the cold water inlet line Connect a garden hose to the drain valve in the hot water outlet line and place the other end in a suitable drain Open the drain valve until all the water has At least 10 seconds after Step 1 unplug the water drained from the water heater Leave water heater as is heater or disconnect the power supply at the circuit until placed back in service breaker box Open all hot water faucets Run the water until it is COLD then shut off the faucet 20 CARING FOR YOUR WATER HEATER ACAUTI ON even whewdrana properly a small amount of water will remain in the water heater In cold
25. control cable between the location of the remote control and the water heater eT Feed the remote control cable through the large center hole in the base plate Install the base plate to the wall using suitable screws and wall anchors NOTICE the tabs on the base plate should always point out Connect the remote control to the remote control cable Position the remote control on the base plate NOTICE the tabs on the base plate should line up with the slots on the back of the control panel Secure the control panel to the base plate with one screw into the bottom tab N OTI C E DO NOT attempt to connect the remote control or control wire to the water heater while the water heater has power applied to it Damage to the water heater will occur DO NOT cut or strip the wiring while it is connected to the water heater or while the water heater has power applied to it INSTALLATION INSTRUCTIONS Electrical Wiring cont Remote Control Installation cont Connecting the Remote Control to the Water Heater Remote Control AS Connection Cover Loosen the one screw located on the remote control connection cover The connection cover is made of white plastic N OTI CE DO NOT REMOVE FRONT PANEL Remote control wires are connected on the bottom of the unit There are no accessible remote contro
26. for the system is greater than the rating of the meter regulator then the local gas company will need to be contacted in order to upgrade the meter regulator for the system Gas Input of Cubic Feet Water Heater BTU HR Per Hour Heating Value of Gas BTU FT Determining the required pipe size The gas system is designed to operate at a certain maxi mum pressure drop A pressure drop greater than what is permissible can cause operational issues with the gas appliances The National Fuel Gas Code NFPA 54 ANSI 2223 1 2012 allows for three pressure drop levels a 0 3 inch W C see table 2 a 0 5 inch W C see table 3 and a 3 0 inch W C see table 4 pressure drop for natural gas Only a 0 5 inch W C pressure drop is allowable with Propane see table 5 For Canadian installations the maximum allowable pressure drop is 0 5 inch W C see table 3 Measure the inlet gas pressure to the system using a ma nometer For Natural Gas if the inlet pressure is less than 8 0 inches W C then use Table 2 or 3 for your gas pipe sizing Table 4 can only be used if the inlet gas pressure is 8 0 inches W C or greater Table 4 cannot be used for Canadian installations The gas piping system consists of a main trunk line that runs from the meter regulator and branch lines that run from the trunk line to the individual appliances A branch may carry gas for more than one appliance fiddng seg The trunk line must be sized
27. is designed to be installed either inside the wall cavity between the wall studs or outside the wall cavity Either installation requires the water heater to be supported with a wooden support brace between the wall studs or a piece of wood that is equal in size to the water heater and securely attached to the wall studs before the water heater is attached to it This piece of wood can be installed inside or outside the wall Use wood screws to secure brackets to the wall If mounting to a concrete wall use lag bolts designed for concrete Make sure the proper electrical outlet or supply 120 VAC 60 Hz is available and located near the unit Direct vent models come with a 6 ft 1 8 m power cord while the outdoor models require hard wiring or the addition of a plug euan Position the upper mounting bracket and partially install the center mounting screw The clearance between the screw head and the wall should be about 1 8 in 0 3 cm Hang the upper bracket on the screw NOTICE the image above may differ in appearance from your water heater Using two mounting screws and washers secure the lower mounting bracket to the wall Then secure the upper mounting bracket to the wall with two mounting screws and washers 3 8 1 1 2 min Se 9 5 38 mm BiG C Position the water heater and tighten the adjustment screws t
28. its component parts to be free from defects in materials and manufacture under normal use and service for the Applicable Warranty Periods At its option Rheem will repair or replace the defective water heater or defective component part s in accordance with the terms of this Limited Warranty if it fails in normal use and service during the Applicable Warranty Periods The replacement water heater must be manufactured by Rheem under one of the covered brand names The replacement component part s must be Rheem authorized component part s The replacement unit will be warranted only for the unexpired portion of the original unit s Applicable Warranty Periods Rheem strongly recommends that this tankless water heater be installed by a contractor which is licensed state qualified and trained on Rheem s tankless products since improper installation may invalidate warranty coverage EFFECTIVE DATE The Effective Date of warranty coverage or the beginning of the Applicable Warranty Periods is the date of installation of the water heater if properly documented Otherwise it is the date of manufacture of the water heater plus ninety 90 days APPLICABLE WARRANTY PERIODS Residential a Single Family Dwelling Twelve 12 years from the Effective Date for the heat exchanger five 5 years from the Effective Date for the component parts and one 1 year for certain labor as described under the heading LABOR SHIPPING AND PROCESSING COST Resi
29. may be Remove any blockage Air intake requires 12 in 05 blocked 30 cm of clearance The vent pipes on the vent termination may not Contact a dealer or qualified service technician be connected properly The gas shut off valve is not fully opened Check shut off valve and open completely 12 LP gas is running low LP models only Refill or replace your LP gas container Gas service has been interrupted Contact your gas utility company If this code is still displayed after taking the numbered steps above or qualified service technician IF YOU NEED SERVICE B Call for Assistance 1 All questions adjustments repairs and or routine When contacting the manufacturer the maintenance should be directed to your installer following information will be requested plumbing contractor or licensed service agent If your A Model and serial number See page 8 or the ratings contacts have moved or are not available please refer plate on the side of the water heater to the telephone directory commercial listings or B Address where the water heater is located local utility company for qualified service assistance C Name and address of installation contractors page 8 2 If your problem has not been solved to your and all qualified service companies that have worked satisfaction contact the Rheem National Service on the water heater D Original installation date See page 8 Rheem E Dates any service or
30. s supply Valve Sediment Trap in accordance with the local gas authority Il Cap Drain Valve ae Cold Water Supply Shut Off Valve 6 150 mm Air Gap ne Discharge Line To Suitable Drain PRODUCT INFORMATION Typical Outdoor Water Heater No Venting Required This water heater is for OUTDOOR installation only ADANG ER DO NOT install this water heater indoors or in a confined area It is designed for outdoor installation only Any other type of installation will result in death or serious personal injury Flue Remote Control With Power Switch Air Inlet Hard Wire Water Filter Union Power Supply SE Cord m Relief not supplied p CIE To Hot Water Faucet s Lo Shut Off Valve q li ER Q Manual Gas VY y Manual Gas NIS Supply Line Shut Off Valve Ou Union ervice a ty Sediment Trap in accordance with the 4 iocal gas authority Cap Drain Valve 2079 Cold Water Supply Shut Off Valve 6 150 mm Air Gap Discharge Line To Suitable Drain USING YOUR WATER HEATER A Safety Precautions AWARN NG H DO turn off manual gas shut off valve if water heater Flammable vapors can be has been subjected to overheating fire flood physical drawn by air currents from surrounding areas to the damage or if the gas supply fails to shut off water hea
31. this chart obtained from NFPA 54 ANSI Z223 1 2012 Table 6 2 a Table 4 Pipe Sizing Natural Gas Schedule 40 Metallic Pipe Black Iron Inlet System Pressure 8 0 inches W C or greater but Less than 2 PSI 55 inches W C Allowable Pressure Drop 3 0 inches W C Specific Gravity 0 60 Capacity in cubic feet per hour Length Pipe Size Inches wo p CE p m e pe m he 9 ao m pe 9 po 2s 7 m e pe p pam pes ux J ae Information in this chart obtained from NFPA 54 ANSI Z223 1 2012 Table 6 2 c NS 1150 Information in this chart obtained from NFPA 54 ANSI Z223 1 2012 Table 6 2 b Table 5 Pipe Sizing Undiluted Propane Schedule 40 Metallic Pipe Black Iron Inlet System Pressure 11 inches W C Allowable Pressure Drop 0 5 inches W C Specific Gravity 1 5 Capacity in cubic feet per hour Pipe Size Inches EC m CC o ENEN Lu NE e ue o ps fa fe ps e bs e e ee E ee w s ps 1 ps o w e e e m hs e es m e Information in this chart obtained from NFPA 54 ANSI Z223 1 2012 Table 6 3 d INSTALLATION INSTRUCTIONS Gas Supply cont Gas Supply Installation Using the proper size piping fittings and components build the gas supply line to the water heater NOTICE me gas supply line should be a Install the manual gas appliance shut off valve to the EN gas
32. to carry the entire load of all the gas appliances on the system As with determining the meter regulator size total the BTU of all the appli ances together and divide that by the heating value of the fuel for natural gas the average is 1 024 or 2 546 for propane This will give you the total cubic feet per hour of gas required for the trunk line Measure the total length of the line Refer to Table s 2 3 or 4 and find the number closest to but higher than the total cubic feet per hour requirement calculation This will tell you the minimum size that the trunk line must be Each branch line must be sized to carry the load of the appliance s attached to it If more than one appliance is ona branch total the BTU and as with the trunk line divide that by the heating value of the fuel Refer to Table s 2 3 or 4 and find the number closest to but higher than the total cubic feet per hour requirement calculation for the branch and appliance s This will tell you the minimum size for that branch line and appliance 51 Final Considerations If this water heater is replacing an existing water heater it is important to verify the capacity of the gas system Check the capacity of the meter regulator and verify the pipe lengths and sizes An improperly sized gas system will cause operational issues with this water heater Other appliances on the gas system may be affected as well Flexible Gas Connectors may be used however the BTU c
33. unsafe operation of the water heater resulting in death personal injury or property damage Should you have any problems reading or follow ing the instructions in this manual STOP and get help from a qualified service technician FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING 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 Do not try to light any appliance Do not touch any electric switch do not use any phone in your building lmmediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Do not return to your home until authorized by the gas supplier or fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion D Do not use this appliance if any part has been under water Immediately call a qual
34. use power strips or multiple outlet adapters AWARNING DO NOT install this water heater at elevations above 3 280 ft 1 000 m without the proper adjustments Please contact your installer local gas supplier place of purchase or the Rheem Customer Service phone number listed on page 26 in the Call for Assistance section All direct vent gas models come with a three prong power cord Only use this power cord and a matching grounded electrical outlet All outdoor gas models do not come with a power cord Only hard wire to an appropriate power outlet with a ground terminal Keep any excess length of the power supply cord on the outside of the water heater f local codes require hard wiring see instructions for Hard Wiring the Electrical Connections below fiddng seg Hard Wiring the Electrical Connections Wiring should be performed by a qualified electrician in accordance with local codes The water heater requires a properly grounded 120 VAC 60 Hz power supply Multiple water heaters may be connected to a single circuit up to that circuit s rating e DO NOT connect grounding wire to water pipes gas pipes telephone cables lighting conductor circuits or to any other grounding circuits that require a or AFCI arc fault circuit interrupter An ON OFF switch must be provided and installed for the incoming 120 VAC power supply Wire the water heater exactly as shown in the wiring diagra
35. will be based on its date of manufacture as determined from the serial number Add the Applicable Warranty Period plus ninety 90 days to the date of manufacture to determine whether the water heater is still covered by this Limited Warranty You may also determine your unit s warranty status by obtaining the complete model number complete serial number and date of installation of your water heater and then accessing the Warranty Verification information on Rheem Water Heaters internet website www rheem com or contacting Rheem s Claims Department telephone 800 621 5622 during normal business hours in the Central Time Zone to determine if the Applicable Warranty Period has expired If your water heater is in warranty contact the plumber or mechanical contractor that installed it for assistance with the warranty repairs or replacement required Rheem Water Heaters Technical Service personnel are available to assist you by telephone at 800 432 8373 or via e mail at techserv rheem com in obtaining in warranty service or to answer your questions about the operation or repair of your water heater during normal business hours in the Central Time Zone Be prepared to provide the plumber mechanical contractor or Rheem Technical Service person you call with the complete model number the complete serial number and the date of installation of your water heater in addition to an explanation of your water heater problem If an exact rep
36. 5 w c 2 6kPa for Natural Gas or 8 0 w c 2 0kPa 13 0 w c 3 2kPa for LP gas a gas pressure regulator must be installed to maintain the allowable inlet gas pressure Turn on the gas shut off valve s to the water heater Use a soapy water solution to test for leaks at all the connections and fittings If bubbles are seen it indicates a gas leak that must be corrected Contact a qualified service technician The water heater and its manual gas shut off valve must be disconnected from the gas supply piping system whenever the pressure testing will exceed 1 2 psi 14 in w c 3 5 kPa e QURE The water heater must be isolated from the gas piping system whenever the pressure testing will be less than and or up to 1 2 psi 14 in w c 3 5 kPa Closing the manual gas shut off valve will isolate the water heater from the gas piping system INSTALLATION INSTRUCTIONS Gas Supply cont High Altitude Installation The water heater is certified for installations up to 3 280 ft 1 000 m above sea level The 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 NOTICE For installations above 3 280 ft 1 000 m elevation contact a qualified service technician to make the proper altitude adjustments See pages 66 and 67 for additional informatio
37. 5 F 185 F 52 C 85 C Adjustment for Commercial Products BATH 4 100 F 120 F 38 C 49 C Optional Sold Separately 85 F 29 C Qualified Technician Adjustment 100 F 120 F 38 C 49 C 85 F 29 C commercial conversion kit can be purchased to achieve temperatures up to 185 F 85 C When a manifold system is installed the main remote control connected to the manifold controller MIC 6 or MIC 185 has priority over the remote controls connected to the water heater 57 USC1 117 Optional Sold Separately USC2 117 Qualified Technician Adjustment MIC 6 or MIC 185 Manifold System Optional Sold Separately Electrical 58 INSTALLATION INSTRUCTIONS Remote Control Installation AWARNING rea wiring connections and electrical grounding must comply with local codes or in the absence of local codes with the latest edition of the National Electrical Code ANSI NFPA 70 in the U S or Canadian Electrical Code CAN CSA C22 1 Part 1 in Canada NOTICES e Extension cable can be any 18 AWG wire similar to a thermostat wire and need not be polarity sensitive t is not recommended to have wiring exposed DO NOT apply sealant to remote control cable DO NOT use network cable telephone wire or any twisted pair cable Connecting the MAIN UMC 117 Remote Control to a Wall Drill a 1 to 1 1 2 in 2 5 3 8 cm hole at the proposed control location Install the remote
38. AWARNING If the information in these instruc tions is not followed exactly a fire A N KL Ee S S or explosion may result causing death personal injury or property IN 4 WATER HEATER AFor Your Safety Do not store or use gasoline or other flammable vapors and liquids U S z AN D CARE MA in the vicinity of this or any other appliance To do so may result in t an explosion or fire e Installation and service must be With Installation Instructions performed by a qualified installer for the Installer service agency or the gas supplier Noncondensing 199 900 Btu hr 180 000 Btu hr What to Do If and 150 000 Btu hr Models You Smell Gas e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions e f you cannot reach your gas supplier call the fire department Do not return to your home until authorized by the gas supplier or fire department Do not destroy manual Please read carefully and keep in a safe place for future reference AWARNING This water heater is not suitable for use in manufactured mobile homes AP16115 1 8 12 Printed in USA Safety Important Safety Information Safety Precautions Product Information Product Information Specifications General Descriptions Using Your Water Heater Setting the
39. C 60 C 63 C 66 C 150 F 66 C About 1 1 2 seconds 155 F 68 C About 1 second Table courtesy of Shriners Burn Institute Temperature Conversion Chart F C 9 po e fn je ju ve o we o e 5 eo 2 js reo IMPORTANT SAFETY INFORMATION Natural Gas and Liquefied Petroleum Safety ADANGERS e Never attempt to convert the water heater from natural gas to LP The water heater should only use the fuel type in accordance with listing on data plate natural gas for natural gas units and LP for LP units Any other fuel usage will result in death or serious personal injury from fire and or explosion This water heater is not certified for any other fuel type Both natural gas and propane LP 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 natural gas or LP 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 using LP gas are different from natural gas models A natural gas water heater will not function safely on LP and vice versa LP water heaters 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
40. ER HEATER OR PART TO RHEEM WITHOUT A RETURN AUTHORIZATION DO NOT RETURN THIS DOCUMENT TO RHEEM KEEP IT WITH YOUR WATER HEATER OR BUSINESS RECORDS Name of Owner Owner s Address Name of Plumber Mechanical Contractor Installer Address of Plumber Mechanical Contractor Installer Telephone Number of Plumber Mechanical Contractor Installer Date of Water Heater Installation Model Number of Your Water Heater Serial Number of Your Water Heater _
41. LP 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 also sniff near the floor 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 Combustible materials such as clothing cleaning materials or flammable liquids must not be placed in the vicinity of the water heater e f a gas leak is present or suspected DO NOT attempt to find the cause yourself Never use an open flame to test for gas leaks The gas can ignite resulting in death personal injury or property damage Follow the steps listed under What to Do If You Smell Gas found on the front cover of this manual AWARNINGS installation of gas piping must conform to local utility company requirements and or in the absence of local codes use the latest edition of National Fuel Gas Code NFGC ANSI Z223 1 NFPA 54 or CAN CSA B149 1 Natural Gas and Propane Installation Code e f inlet gas pressure is out of allowable range 4 0 w c 1 0kPa 10
42. NSI Z223 1 NFPA 54 or CAN CSA B149 1 one of the following shall be indicated a A minimum clearance value determined by testing in accordance with section 2 20 or b A reference to the following footnote Clearance in accordance with local installation codes and the requirements of the gas supplier vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings t Permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor 39 INSTALLATION INSTRUCTIONS Venting 40 Horizontal Vent Considerations AWARNING moisture in the fiue 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 to be expected However improper location or installation can result in severe damage to the structure or exterior finish of the building DO NOT locate vent terminal on the side of a building with prevailing winter winds This will help prevent water lines from freezing and moisture from freezing on walls and under eaves DO NOT locate vent terminal too close to shrubbery since flue gases may damage them All painted surfaces should be primed to lessen the chance of physical damage Painted surfaces will require maintenance Guard agai
43. Water Temperature Caring for Your Water Heater Water Heater Inspections Care and Cleaning Preventive Maintenance Draining the Water Heater Freeze Protection Vacation and Extended Shutdown Troubleshooting Chart Service Error Code Chart If You Need Service Call for Assistance CONTENTS Installation Instructions Standards Compliance Choosing a Location Product Inspection Water Heater Installation Venting Water Supply Gas Supply Electrical Wiring Remote Control Installation Insulation Blankets Installation Precautions Installation Checklist Piping for Space Heaters Activating the Water Heater Setting the Water Temperature High Altitude Dip Switch Adjustments Parts Replacement Warranty Information IMPORTANT SAFETY INFORMATION 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 symbol as an indication of Important Safety Information This symbol alerts you to potential hazards that can kill or hurt you and others All safety messages will follow the safety alert symbol and either the word DANGER WARNING CAUTION or NOTICE These words mean ADAN GER an imminently hazardous situation that will result in death or serious injury AWARNING 4 potentially hazardous situatio
44. abel and all the component parts intact the complete model number and the complete serial number of the Rheem or Ruud water heater that replaced the failed unit and the date the original water heater failed You may also be required to provide documentary proof of the failed water heaters date of installation to establish its in warranty status To receive warranty compensation for an in warranty defective component part you must provide Rheem with the defective component part the complete model number and the complete serial number of the Rheem or Ruud water heater from which the defective component part was removed and the date the defective component part failed You may also be required to provide documentary proof of the date of installation of the Rheem or Ruud water heater from which the defective part was removed or the date of purchase of the part If it was purchased separately to establish the in warranty status of the defective component part f Rheem determines that the water heater or component part returned to Rheem is free of defects in material and manufacture and or that it was damaged by improper installation the warranty claim for the product component part and or labor maybe denied Warranty claim documentation should be mailed promptly to Rheem Water Heaters Claims Department 1241 Carwood Court Montgomery Alabama 36117 or in Canada 125 Edgeware Rd Unit 1 Brampton ON Canada L6Y OP5 DO NOT RETURN THIS WAT
45. acation and Extended Shutdown AWARN NG Failure to drain the water heater can cause serious personal injury from scalding and or product damage If the water heater is to remain idle for an extended period of time the power and water to the heater should be turned off Troubleshooting Chart The information in the following troubleshooting chart may help you diagnose and or fix a problem you may be experiencing Please review this chart before calling for service assistance A DANGER shook Hazard certain power to the water heater is OFF before removing protective cover for any reason Electric shock will cause death or serious personal injury Problem Not enough or no hot water opened 3 Hot water faucet is not completely opened control Possible Cause 1 Unit is not ON 1 Turn on the unit by pressing the POWER ON OFF button 2 Water shut off valve is not completely 8 Error code displayed on the remote The water heater and piping should be drained if they might be subjected to freezing temperatures See Freeze Protection section on page 22 After an extended shutdown the water heater s operation and controls should be checked by a qualified service technician AWARN ING ror Your Safety DO NOT attempt repair of electrical wiring gas piping remote control burners vent connectors or other safety devices Refer repairs to a quali
46. al clearances from combustibles to avoid conditions that can lead to death personal injury and or property damage Use tankless water heater manufacturer approved Category Stainless Steel vent material only No other vent material is permitted 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 to be expected However improper location or installation can result in severe damage to the structure or exterior finish of the building A DANGER FLAMMABLES Flammable Vapors Vapors from flammable Water heater has a main liquids will explode and burner PM catch fire causing death or 4 which Come on 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 cannot be seen water heater are heavier than air Keep flammable products dealen way on the 1 far away from heater can be carried from 2 in approved containers other rooms to the 3 tightly closed and main burner flame by 4 out of children s reach air currents R Installation Do not install water heater 18 above the floor This will where flammable products will reduce but not eliminate the be stored o
47. apacity of the connector must be checked Each connec tor has a capacity label on it verify that the connector has a BTU capacity greater than that of the water heater An undersized flexible gas connector will cause operational issues with this water heater Table 2 Pipe Sizing Natural Gas Schedule 40 Metallic Pipe Black Iron Inlet System Pressure Less than 2 PSI 55 inches W C Allowable Pressure Drop 0 3 inches W C Specific Gravity 0 60 Capacity in cubic feet per hour Half inch gas lines are permissible provided the gas sys tem meets certain requirements First the gas pressure on the system must be 8 0 inch W C or greater Second the capacity of the pipe as outlined in Table 4 is followed If the existing pipes are too small it could cause a pressure drop greater than 3 0 inch W C and will cause operational issues with this water heater as well as other gas appli ances on the system This is an example in US refer to current National Fuel Gas Code NFPA 54 for correct pipe sizing chart and in Canada refer to current Natural Gas and Propane Installation Code CAN CSA B149 1 Table 3 Pipe Sizing Natural Gas Schedule 40 Metallic Pipe Black Iron Inlet System Pressure Less than 2 PSI 55 inches W C Allowable Pressure Drop 0 5 inches W C Specific Gravity 0 60 Capacity in cubic feet per hour Length Pipe Size Inches eo p ph 18 Pipe Size Inches 52 Gas Supply Information in
48. approved vent manufacturer s pipe cannot be installed without a UL approved Category 111 Stainless Steel appliance concentric vent adapter N OTI To install the appliance vent adapter please follow the appliance vent adapter manufacturer s instructions Draining Vent Condensate AWARNINGS e Failure to provide a vent condensate drain close to the water heater could allow acidic flue gas condensate to enter into water heater flueways causing premature failure of the water heater e f the condensate collector is not used the drain fitting must be capped to prevent exhaust gases and condensate from entering the building The cap is supplied on the water heater ACAUTIONS Condensate is known to be acidic refer to federal state provincial and local codes for proper handling and discharge methods Condensate must be drained away from the water heater and should not be allowed to drain back into any part of the vent system The condensate collector must be used with vertical vent installation Condensate collector must be used with horizontal vent installation if the vent has an UPWARD slope toward the termination Provision should be made to collect and dispose of condensate from the venting systems Downward Slope recommended When a water heater is vented horizontally the vent pipe should have a DOWNWARD or UPWARD slope towards the termination If an UPWARD slope is used alwa
49. ation of relief valves should be performed at least once a year e f the relief valve on the system discharges periodically a problem exists Turn off the water heater unplug the unit and call for service Union Relief Valve Service Hot Water Supply Outlet Valve Cold Water Supply Inlet Relief Valve Discharge Line One end of the relief valve discharge line connects to the HOT water outlet pipe as shown above The other end of the pipe should be routed to a suitable drain to eliminate potential water damage For safe operation of the water heater be sure that e The pressure rating of the relief valve must not exceed 150 psi 1 034 kPa or the maximum working pressure of the water heater See the rating plate on the water heater The BTUH rating of the relief valve must equal or exceed the BTUH input of the water heater See the rating plate on the water heater e No valve of any type should be installed between the relief valve and the water heater e Discharge from the relief valve should be piped to a suitable drain 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 See page 50 e The discharge line must be NO SMALLER than the outlet of the relief valve The drain line must pitch downward to allow for complete drainage of the line and the valve end of the discharge line shou
50. ationship in Scalds Water temperature over 125 F Water Time to Produce Fe ik or dek e ld Instantly or dea rom scalas Temperate ae fos Children disabled and elderly are at highest risk of being scalded 120 F 49 C More than 5 minutes See instruction manual before 125 F 52 C 1 1 2 to 2 minutes 130 F 54 C About 30 seconds Feel water before bathing or 135 F 57 C About 10 seconds showering 140 F 60 C Less than 5 seconds Temperature limiting valves are 145 F 63 C Less than 3 seconds SVI See Manual 150 F 66 C About 1 1 2 seconds 155 F 68 C About 1 second Table courtesy of Shriners Burn Institute 13 USING YOUR WATER HEATER amp Setting the Water Temperature cont Maximum water temperature occurs while the water heater burner is ON To determine the water temperature Turn on the hot water faucet and place a thermometer in the water stream NOTICE water temperature at the faucet may vary depending on the season and the length of pipe from the water heater The remote control temperature range is between 100 F 38 C and 120 F 49 C To adjust the temperature to a desired setting press the UP or DOWN adjustment button on the face of the remote control The new temperature set point will show on the LED display In Use Indicator Priority Lit during operation Indicator Temperature Adjustment Buttons LED Temperature and Power ON OFF Error
51. c Pipe ec 1 Support Clamp a Fire Stop 1 4 Per Foot Upward Slope Lel 7 Fire Stop Support Hanger acaution O The condensate collector must be used with vertical vent installation Condensate Trap To Drain Dispose i of condensate in accordance to id 5 local codes sita 45 INSTALLATION INSTRUCTIONS Plumbing 46 Water Supply ACAUTI ON This water heater MUST ONLY be used with the following water supply conditions to prevent product damage and operation failure Clean potable water free of corrosive chemicals sand dirt or other contaminates e Inlet water temperatures above 32 F 0 C but not exceeding 120 F 49 C e DO NOT reverse the HOT and COLD water connections DO NOT connect this heater to water lines previously used for space heating All water piping and components shall be suitable for potable water e With recommended water quality See chart below Thermal Expansion A thermal expansion tank will be required if the water heater is installed in a system with a recirculation or storage tank This prevents damage to the heater related piping and the relief valve N OTI E Replacing the relief valve will not correct the problem The expansion tank is de
52. connection at the water heater The shut off is minimum of 3 4 in 1 9 cm black steel pipe or other supplied with the water heater approved gas piping material fing seq Install a ground joint union or ANSI design certified semi rigid or flexible gas appliance connector to the open end of the manual gas appliance shut off valve The inlet gas pressure to the water heater must NOT The NFGC ANSI Z223 1 and CAN CSA B149 1 codes exceed 10 5 in w c 2 6 kPa for natural gas and 13 mandate the use of manual gas shut off valves in w c 3 2 kPa for LP gas For purposes of input adjustment the minimum inlet gas pressure with main burner on is shown on the water heater rating plate If high or low gas pressures are present contact your gas supplier for correction Install a manual gas supply line shut off valve to the end of the gas supply line NOTICE Lever type gas shut offs should all be T handle type 53 Gas Supply 54 INSTALLATION INSTRUCTIONS Leak Testing AWARN ING never use an open flame to test for gas leaks because death personal injury and or property damage can result The water heater and its gas connections MUST be leak tested at normal operating pressures before the unit is placed in operation These tests should also include all factory connections Pressure Testing the Gas Supply System ACAUTI ON If inlet gas pressure is out of allowable range 4 0 w c 1 0kPa 10
53. ctions or failures caused by operating the unit at water temperatures exceeding the maximum setting of the operating or high limit control m Heat exchanger failures caused by operating the water heater when it is not supplied with potable water free to circulate at all times n Damages malfunctions or failures caused by subjecting the heat exchanger to pressures or firing rates greater than those shown on the rating label o Damages malfunctions or failures resulting from the use of any attachment including any energy saving device not authorized by Rheem p Units installed outside the fifty states and the District of Columbia of the United States of America and the Dominion of Canada q Units removed from the original installation location and reinstalled elsewhere r Units that have had their rating labels altered tampered with or removed A water heater should not be operated if the rating label is removed 71 7 WARRANTY n2 LABOR SHIPPING AND PROCESSING COSTS For one 1 year after the Effective Date Rheem will cover reasonable labor costs necessary to repair or replace a tankless water heater or component part it determines to be defective in material and or manufacture by a contractor which is licensed state qualified and trained for Rheem s tankless water heaters This Limited Warranty does not cover any labor expenses for general service inspection reinstallation permits removal and di
54. dential a Single Family Dwelling used with Hydronic Force Air Heating Ten 10 years from the Effective Date for the heat exchanger five 5 years from the Effective Date for the component parts and one 1 year for certain labor as described under the heading LABOR SHIPPING AND PROCESSING COST Provided that a Rheem manufactured Rheem approved potable water hydronic air handler is installed with the system Residential a Single Family Dwelling with recirculation controlled loop Twelve 12 years from the Effective Date for the heat exchanger five 5 years from the Effective Date for the component parts and one 1 year for certain labor as described under the heading LABOR SHIPPING AND PROCESSING COST Provided that the recirculation system is an on demand type system or the pump is controlled with a temperature sensor aquastat and timer Residential a Single Family Dwelling with recirculation uncontrolled loop Three 3 years from the Effective Date for the heat exchanger three 3 years from the Effective Date for the component parts and one 1 year for certain labor as described under the heading LABOR SHIPPING AND PROCESSING COST if the water heater is installed in a system in which the water is re circulated using a continuously operating pump Commercial any installation that is not a single family dwelling Five 5 years from the Effective Date for the heat exchanger five 5 years from the Effective Date for the component par
55. described in these instructions DO NOT vent this water heater through a chimney It must be vented separately from all other appliances All inner coaxial vent components adapters pipe elbows terminals etc should be water heater manufacturer approved Stainless Steel Venting Material 0 444 SS 316 L Outer casing can be galvanized aluminum or other material The specified vent termination must be used Refer to page 45 for an example of concentric vent A CAUTION DO NOT attempt to fabricate or adapt other vent pipe or materials to this venting Use the provided screws to connect the coaxial vent pipe together Follow the vent manufacturer s installation instructions This water heater can be vented horizontally or vertically All coaxial vent piping runs must be adequately supported The maximum recommended unsupported span should be no more than 4 ft 1 2 m Only use support isolation hanging bands DO NOT use wire to support pipe runs Preexisting Venting Notes If the water heater is being installed as a replacement for an existing water heater a thorough inspection of the existing venting and air intake system must be performed prior to any installation work Verify that the correct materials vent lengths and terminal locations as described in this manual have been met Carefully inspect the entire venting and air intake system for any signs of cracks or fractures particularly at the joints bet
56. determine the proper location of the vertical vent terminal for direct vent indoor tankless water heaters U S Installation Canadian Installation Location Requirements Requirements A Minimum clearance above the roof level 12 in 30 5 cm above roof level 18 in 45 7 cm above roof level B Minimum clearance above anticipated snow level 12 in 30 5 cm above 12 in 30 5 cm above anticipated snow anticipated snow level level C Maximum clearance above roof level without ad Ut 24 in 61 cm above roof level 24 in 61 cm above roof level ditional vent support D Maximum clearance above anticipated snow level 24 in 61 cm above anticipated snow 24 in 61 cm above anticipated snow requires additional vent support level level E Required vent clearance from any gable dormer or other roof structure with building access i e vent 4ft 1 2 m 4 ft 1 2 m window Required vent clearance from any forced air inlet 10 ft 3 m 6 ft 1 8 m including dryer and furnace air inlets 1 In accordance with current ANSI Z223 1 NFPA 54 National Fuel Gas Code 2 In accordance with current CAN CSA B149 1 Installation Codes NOTE Only manufacturer approved termination and parts should be used during installation INSTALLATION INSTRUCTIONS Standard Vertical Vent Termination Vertical Termination Adapter Air Intake l Storm Collar Adjustable Roof Flashing 3 to 5 Concentri
57. during installation Install a fire stop plate at every penetration of a floor or Ceiling whenever the vent is not running through a fire rated shaft Maintain the recommended air space clearance to combustible materials and building insulation Hole A Through Roof A ole Through Ceiling Cut a hole through the roof and interior ceiling to accommodate the vent pipe Complete the vent pipe installation to the water heater vent collar If required use high temperature silicone sealant where the vent connector joins the water heater Support vertical and horizontal runs as described on page 36 Vertical supports are required every 4 ft 1 2 m along a vertical pipe route after every transition to vertical and after every offset elbow N OTI G Free standing vent pipe that penetrates a roof ceiling requires another means of support from a second location Determine the vent terminal height and install the vent pipe accordingly Refer to Vertical Vent Terminal Location on page 44 for clearance requirements Install adequate flashing where the vent pipe passes through the roof 43 INSTALLATION INSTRUCTIONS Venting 44 Venting for Direct Vent Water Heater cont Vertical Vent Terminal Location Vent Pipe Through Roof The following chart with diagrams details the minimum dimensional information needed to
58. eep all showerheads clean from debris that could cause additional pressure drop e f using mixing valves on the outlet choose one that prevents COLD water pressure from overcoming HOT water pressure e f multiple water heaters are installed in a manifold system the water piping MUST be in parallel and the water pressure at each water heater should be 40 psi 276 kPa Install a COLD water shut off valve near the inlet line on the water heater This valve will be used for servicing and draining purposes To supply HOT water to upper floors additional water pressure will be required 0 44 psi 3 kPa per foot of height Calculate the distance between the water inlet of the water heater ground level to the HOT water faucet farthest away from the water heater upper floor level Well water systems should be set to ensure a minimum system pressure of 40 psi 276 kPa The pressure should remain constant and stable during the operation of the water heater Gravity water pressure is not recommended When the water is supplied from a water supply tank the height of the tank the diameter of the supply pipes and their relation to water pressure need to be taken into consideration N OTI CE It is not recommended to use pipes with smaller diameters than the water supply connection of the water heater Before attaching the water line to the water heater open the shut off valve Run the water until it has purged al
59. ential Tankless Gas Water Heaters EXCLUSIVE WARRANTY LIMITATION OF LIABILITY This Limited Warranty is the only Warranty for this unit given by the Water Heater Division of Rheem Manufacturing Company No one is authorized to make any other warranties on behalf of Rheem ANY IMPLIED WARRANTIES INCLUDING MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL NOT EXTEND BEYOND THE APPLICABLE WARRANTY PERIODS SPECIFIED PREVIOUSLY RHEEM S SOLE LIABILITY WITH RESPECT TO ANY DEFECT SHALL BE AS SET FORTH IN THIS LIMITED WARRANTY AND ANY CLAIMS FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING DAMAGE FROM WATER LEAKAGE ARE EXCLUDED Some states do not allow limitations on how long an implied warranty lasts or for the exclusion of incidental or consequential damages so the above limitations or exclusions may not apply to you This Limited Warranty gives you specific legal rights and you may also have other rights which vary from state to state We suggest you immediately complete the information below and retain this Certificate of Limited Warranty in the event warranty service is needed Reasonable proof of the date of installation of your water heater may be required to establish its in warranty status GENERAL This Limited Warranty is only available to the original owner of the water heater at the original installation location It is not transferable Rheem Manufacturing Company Rheem warrants this tankless gas water heater and
60. ents or removers Flammable vapors carry long distances from where they are used or stored The open flame of the water heater s main burner can ignite these vapors causing an explosion or fire N OTI CE Elevating a gas fired water heater will reduce but NOT eliminate the possibility of lighting the vapor of flammable liquids which may be improperly stored or accidentally spilled 20001 as ANSI standard Z223 1 or National Fire Protection Association 1 Batterymarch Park MA 02269 as NFPA 54 In Canada use the latest edition of the CAN CSA B149 1 Natural Gas and Propane Installation Code and the Canadian Electrical Code CAN CSA C22 1 Part 1 NOTICE this 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 structures When such areas cannot be avoided install a suitable catch pan with an adequate drain under the water heater This drain pan must not restrict the combustion airflow The following requirements will ensure a safe installation The water heater must be located in an area where it won t sustain damage from moving vehicles flooding etc If the water heater is installed in a storage garage the direct ignition system and main burner should be no less than 18 in 45 cm above the garage floor f the water heater is installed in a repair garage or in a private garage the direct ignition sys
61. fied service technician Solution 2 Check shut off valve and open completely 3 Open hot water faucet completely The main burner goes off when incoming water volume is inadequate 4 Water piping is frozen 4 Allow piping to thaw 5 Electrical power is disconnected or water supply is shut off 5a Plug in the power cord or reconnect the power supply at the circuit breaker box 5b Completely open the water supply valve Inadequate water volume will cause the main burner to turn off 6 The temperature may be set too low 6 Increase the temperature setting 7 Mixing valve malfunctions if 7 Check and replace the mixing valve applicable 8 See Service Error Code Chart on page 25 If required contact a qualified service technician 9 Not enough water demand 9 Increase the hot water flow at the faucet 10 Water filter is clogged or dirty 10 Clean the water filter See page 17 11 Fixture aerator is clogged or dirty 11 Clean the aerator 12 Scale buildup in the heat exchanger 12 Check for error code If required contact a qualified service technician 13 Hot and cold water lines reversed 13 Reverse the water lines 23 CARING FOR YOUR WATER HEATER Q Troubleshooting Chart cont Problem Possible Cause Solution Water not hot enough 1 The temperature may be set too low 1 Increase the temperature setting at the remote control 2 The gas valve is not completel
62. 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 horizontally vented gas fueled equipment the installing plumber or gasfitter shall observe that a hard wired carbon monoxide detector with an alarm and battery backup is installed on the floor level where the gas equipment is to be installed In addition the installing plumber or gasfitter shall observe that a battery operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling building or structure served by the side wall horizontally 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 detector with alarm and battery backup may be installed on the next adjacent floor level b In the event that the requirements of this subdivision cannot 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 de
63. he risk of fire explosion or electric shock that can result in death personal injury and or property damage e Field wiring connections and electrical grounding must comply with local codes or in the absence of local codes with the latest edition of the National Electrical Code ANSI NFPA 70 or in Canada Canadian Electrical Code CAN CSA C22 1 Part 1 ACAUTIONS e Label all wires prior to disconnecting for service Wiring errors can cause dangerous and improper operation Verify correct operation after servicing For your safety burner inspection and cleaning should be performed only by qualified service personnel e Make certain the power to the water heater is OFF before removing the unit cover panel Exposed electrical components and moving parts can cause personal injuries For your safety DO NOT attempt repair of electrical wiring gas piping remote control burners vent connectors or other safety devices Refer repairs to qualified service personnel FOR INSTALLATIONS IN THE STATE OF CALIFORNIA California law requires that water heaters must be braced anchored or strapped to resist falling or horizontal displacement due to earthquake motions For 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
64. her Fasteners will vary depending on the wall type For particle board or composite sheathing use 4 hollow wall anchors The anchors should be at least 1 8 in 0 3 cm in diameter and the appropriate length for the sheathing thickness For plywood or solid a wood sheathing or Attach the female end of the next vent pipe section to M zig 277 members use 4 10 x the male end of the 3 in 5 in 1 1 4 in wood screws 7 6 cm 12 7 cm concentric vent pipe Push firmly on the pipe until the outer jacket has made contact with the snap ring on the male end of the concentric vent pipe section Secure the two pipe sections with the provided self tapping screws For masonry walls use suitable anchors N OTI CE When fully assembled the outer long enough to pass female end will overlap the male end about 1 in 2 5 through the wall cm DO NOT attempt to fabricate or adapt other vent pipe or materials to this venting Reinstall the decorative sheathing around the faceplate The decorative sheathing may be painted to match the exterior decor 41 ALL ATION INSTRUCTIONS amp Venting for Direct Vent Water Heater cont Typical Horizontal Termination with 1 4 In Per Foot of DOWNWARD Slope Horizontal Vent Installation cont Using a thick bead of high temperature silicone seal the overlapping area of the outer 5 in 12 7 cm pipe 1 4 Per
65. his water heater be sure to read and follow the instructions on the following label all labels on the water heater and the Important Safety Information section in this manual Failure to do so can result in unsafe operating conditions that can result in death personal injury property damage and or product damage FOR YOUR SAFETY READ BEFORE OPERATING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance does not have a pilot It is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand B BEFORE OPERATING 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 Do not try to light any appliance Do not touch any electric switch do not use any phone in your building lmmediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Do not return to your home until authorized by the gas supplier or fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or e
66. ified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water OPERATING INSTRUCTIONS 1 STOP Read the safety information above on this label CR 2 Turn off all electric power to the appliance GAS SHUTOFF 3 Do not attempt to light the burner by hand VARYE 4 Turn the Gas Shutoff Valve located the outside of the unit clockwise to the OFF position 5 Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this label If you don t smell gas go to the next step 6 Turn the Gas Shutoff Valve located on the outside of the unit counterclockwise to the ON position 7 Turn on all electric power to the appliance 8 If the appliance will not operate follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier TO TURN OFF GAS TO APPLIANCE 1 Turn off all electric power to the appliance if service is to be performed 2 Turn the Gas Shutoff Valve located the outside of the unit clockwise to the OFF position OPEN CLOSE IMPORTANT SAFETY INFORMATION Electrical Safety A DANGER shock Hazard Make sure the electrical power to the water heater is off to avoid electric shock that will result in death or serious personal injury AWARNINGS e For your safety the information in this manual must be followed to minimize t
67. ine Preventive 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 AWARNINGS e 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 n case the pipe insulation is not rated for the appropriate weather conditions install electric heat tracing or equivalent to prevent freezing of the pipes DO NOT insulate or block the drain valve on the hot outlet fitting If the pipes are allowed to freeze the water heater and the pipes may malfunction or leak due to freezing water Failure to drain the water heater as described on page 20 can cause serious personal injuries from scalding and or damage the water heater heater showering Feel water before bathing or Temperature limiting valves are available see manual Time Temperature Relationship in Scalds Water Temperature 120 F 49 C Time to Produce a Serious Burn More than 5 minutes 125 F 52 1 1 2 to 2 minutes 130 F 54 C About 30 seconds About 10 seconds 140 F 60 C Less than 5 seconds 145 F 63 C Less than 3 seconds 49 C 52 C 94 C 135 F 57
68. ine to the house in order to reduce the scald hazard potential 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 f 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 Air Separator Shut Off existing heating unit or components of a heating system that have previously been used with a nondrinking water system Toxic chemicals such as those used for boiler treatment may be present and will contaminate the drinking water supply causing possible health risks Never introduce toxic chemicals such as those used for boiler treatment into this system This water heater is not approved as the dedicated space heating unit This water heater must be used for combination applications with air handler only and not for indoor heating applications Typical Combination Illustration Tankless Water Heater T7 Gas Supply Line Relief B cos i em m jme Drain Valve AN Cold Water Supply C p Shut Valve Ts air Handler Pump Included Pt En h i i ma Valve Cold Water Supply Valve Tempered Water Potable Water Expansion Tank 2 gallons INSTALLATION INSTRUCTIONS Activating the Water Heater AWARNING setore operating t
69. ing are properly sized could result in improper operation of this or other gas appliances Insufficient gas pressure supply can cause pilot outages lockouts or operating conditions that could lead to an appliance failure improper combus tion carbon monoxide sooting or fire Gas line sizing is based on gas type the pressure drop in the system the gas pressure supplied and the gas line type For gas pipe sizing in the United States refer to the National Fuel Gas Code NFPA 54 ANSI Z223 1 For Canadian gas pipe siz ing refer to the Natural Gas and Propane Installation Code CAN CSA B149 1 These simplified instructions only address low pressure gas systems using Schedule 40 Metallic Pipe Black Iron For hybrid gas systems high pressure main lines with regulators at the appliances gas systems piped with corrugated stainless steel tubing CSST or Propane gas systems Determining the required regulator and gas meter size Find the BTU capacity of each appliance on the system This information is located on a rating label attached to the appliance Total the BTU of all the appliances together and divide that by the heating value of the fuel for natural gas the average is 1 024 or 2 546 for propane This will give you the total cubic feet per hour of gas required for the system At your gas meter regulator there will be a rating plate that gives the cubic feet per hour capacity of that equip ment If the total gas required
70. ional Minimum Vent Length The venting may be as short as 12 in 30 cm provided one vent termination is installed to the outdoors through a sidewall with one 90 elbow and one wall plate included in the installation Total equivalent vent length is 30 in 76 cm N OTI CE Make sure that the seam of the inner vent pipe in a horizontal run is towards the top of the installation as shown above Venting Through Closed Spaces If the coaxial vent piping passes through a closed space a minimum clearance of 0 in 0 cm for vertical piping and for horizontal piping should be maintained between the coaxial vent pipe and combustibles and noncombustibles Be sure to follow local codes and vent manufacturer s installation instructions For maintenance and inspection purposes the following access panels may be required Two 2 inspection access panels large enough to allow access for venting inspection One access panel may be close to where the coaxial vent pipe enters the ceiling The other access panel may be near the vent termination INSTALLATION INSTRUCTIONS Appliance Vent Adapter ACAUTI 0 N Ensure that the appliance vent adapter is securely attached to the water heater collar Improperly connected vent adapter can cause damage to the appliance and or poor performance Metal Fab Inc standard concentric vent pipe can be installed into the water heater collar without an appliance vent adapter However other Rheem
71. is a hot water scald potential if the water temperature is set too high Households with small children the disabled or elderly persons may require a 120 F 49 C or lower temperature setting to prevent contact with HOT water Before manually operating the relief valve make certain no one will be exposed to the danger of the hot water released by the valve The water may be hot enough to create a scald hazard DANGER 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 ACAUTIONS 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 contaminants With inlet water temperatures above 32 F 0 C but not exceeding 120 F 49 C DO NOT reverse the hot and cold water connections The water heater will not operate Even when drained properly a small amount of water will remain in the water heater In cold weather conditions this water can freeze If this happens allow the defrost protection on the heater at least 30 minutes to melt the frozen water or the water heater may not work properly The water should be released into a suitable drain to prevent injury or property damage Failure to perform the recommended Rout
72. l contaminants sand debris air caulking Install a service valve on the end of the COLD water supply line and connect it to the water inlet on the water heater 47 Plumbing INSTALLATION INSTRUCTIONS 48 Water Supply cont Water Supply Installation cont Open the drain valve in the COLD water outlet line to check the water flow through the water heater e Close the shut off valve and remove clean and replace the water filter NOTICES Be sure to connect the COLD water inlet and the HOT water outlet as shown on the water heater If reversed the water heater will not function e The flow rate of HOT water may vary when more than two faucets appliances fixtures etc are being used simultaneously 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 It is recommended to use unions and flexible copper connections at the COLD and HOT water lines They allow the water heater to be disconnected easily for servicing Use the following guidelines when connecting the HOT WATER OUTLET Connections between the water heater and point s of use should be as short as possible Local codes shall govern the piping used for water connections To conserve energy and to prevent freezing insulate both COLD and HOT water supply lines DO NOT
73. l terminals inside the water heater Connect the remote control extension cables from the remote control to the remote control connection terminals N OTI C E The remote control wire connection terminals are not polarity sensitive Secure the remote control extension cable on the hook located on the side of the remote control connection base Reinstall the remote control connection cover and secure with the one screw Switch on the power supply to the water heater Check for proper operation of the remote control and the water heater 9191 59 Insulation Blankets Electrical 60 In general insulation blankets for external use on gas water heaters are not necessary The purpose of an insulation blanket is to reduce the standby heat loss from the water heater s storage tank Since these water heaters do not store water they eliminate the need for the insulation blanket AWARNING NEVER cover the air inlet flue outlet or operating and warning labels attached to the water heater Covering these components will cause dangerous operating conditions that can lead to death personal injury property damage and or product damage Installation Precautions e Follow all installation instructions covered in this manual e Check the inlet gas pressure to make sure it is within the range specified on the rating plate Make sure there is adequate air for combusti
74. lacement is not available Rheem will provide you with the current model of your water heater or component part s or a replacement unit with comparable operating features If government regulations or industry certification or similar standards require the replacement water heater or replacement component part s to have features not found in the defective water heater or the defective component part s you will be charged for the difference in price represented by those required features If you pay the price difference for those required features and or to upgrade the size and or other features available on a replacement new water heater you will also receive a complete new Limited Warranty with the full Applicable Warranty Periods for the replacement new water heater Rheem reserves the right to inspect or require the return of the failed water heater or the defective component part s Each in warranty failure water heater must be made available to Rheem with the rating label and all the component parts intact in exchange for the replacement water heater Each defective in warranty component part to be replaced must be returned to Rheem in exchange for the replacement component part Warranty compensation is subject to validation of in warranty coverage by Rheem Claims Department personnel To obtain warranty compensation for an in warranty water heater failure you must provide Rheem with the failed water heater with the rating l
75. ld 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 49 INSTALLATION INSTRUCTIONS Plumbing Gas Supply 50 Water Supply cont e Hot and Cold Pipe Insulation Installation AWARNINGS When pipe insulation is not rated for the appropriate weather conditions install electric heat tracing or equivalent to prevent freezing of the pipes DO NOT insulate or block drain valve on the hot outlet fitting If pipes are allowed to freeze the water heater and the pipes may malfunction or leak due to freezing water NOTICE the not and cold water supply pipes should be insulated to provide additional freeze protection Gas Supply Gas Supply System AWARN ING attempt to convert this water heater for use with a different type of gas other than the type shown on the rating plate Doing so could result in death personal injury explosion or fire product damage and or poor operating conditions or performance NOTICES e Gas piping shall be in accordance with local utility company requirements and or in the absence of local codes use the latest edition of National Fuel Gas Code NFGC ANSI Z223 1 In Canada use the latest edition of CAN CSA B149 1 Natural Gas and Propane installation code e Apply a thin coat of pipe compound to all threaded male ends Compound mu
76. llowing chart details the minimal dimensional information needed to determine the proper location of the vent terminal for direct vent and outdoor tankless water heaters See corresponding letter reference in the illustration on page 38 U S Installation Canadian Installation Location Requirements Requirements Clearance above grade veranda porch deck or 12 in 30 cm 12 in 30 cm balcony Clearance to window or door that may be opened e 6 in 15 cm for water heaters less than or 6 in 15 cm for water heaters less than aul to 10 000 Btuh 3 kW or a to 10 000 Btuh 3 kW 9 in 23 cm for water heaters greater than 12 in 30 cm for water heaters greater 10 000 Btuh 3 kW and less than or equal than 10 000 Btuh 3 kW and less than or to 50 000 Btuh 15 kW equal to 100 000 Btuh 30 kW 12 in 30 cm for water heaters greater 36 in 91 cm for water heaters greater than 50 000 Btuh 15 kW than 100 000 Btuh 30 kW D Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 ft 61 cm from the centerline of the terminal 36 in 91 cm recommended 36 in 91 cm recommended E Clearance to unventilated soffit 36 in 91 cm recommended 36 in 91 cm recommended G Clearance to inside corner PUNUA 18 in 46 cm 18 46 Clearance to each side of centerline 3 ft 91 cm within a height
77. m This wiring diagram can also be found inside the water heater cover panel The green screw is provided in the enclosure for a grounding connection Connect the live wire to the black wire and neutral wire to the white neutral wire 9121 55 INSTALLATION INSTRUCTIONS Wiring cont ica Electr Wiring Diagram lt lt gt gt C3ONVWAOOTBL TOULNO9 3lON3u 8 lt lt HLVa gt gt JONVWWOOFTAL TOWLNOD 310 138 HIY UNO WA 9 U B Sle XL BNALON NSN HOLON INMIOA NC 31081402 8 10 1 1081402 SINTON BALI INVA 39 nv3 a 311805 30 SINH3H WM LOH OLSINYSHL r OLSINWSHL AAD YNFTVHO 3 OLSIWUSHL ew E Ore u39NvHOX3 310 NOISSIAGV G YOLSINYSHL HOLSINUSHL JENI 3S INVlaNV SINY3H gt lt 40 gas eww 1 MOTISA N33H9 8 1H3A N3385 0 SIHOAVHO AD 3718 718 HIONPIOV 18248 N Hg NMOHS HH ONV T8 3LIHWM
78. m the discharge of the pressure relief valve shall be disposed of in a suitable place where it will cause no damage Also there shall be no other reducing coupling or other restrictions installed on the discharge line to restrict flow See Installation Manual Heading PRESSURE RELIEF VALVES for installation and maintenance of relief valve discharge line and other safety precautions Turn off the electrical power and gas shutoff valve Lift and release lever on the relief valve and check the manual operation of relief valve at least once a year Make certain the discharged water is directed to a suitable drain Avoid contact with hot water and prevent water damage MINIMUM CLEARANCE FROM COMBUSTIBLE OR NONCOMBUSTIBLE CONSTRUCTION 1 27 SIDE CLEARANCE FROM FLANGED ENDS WALL 0 REAR CLEARANCE FROM MOUNTING BRACKET TO WALL 12 TOP CLEARANCE FROM TOP OF HEATERTO CEILING 12 BOTTOM CLEARANCE FROM BOTTOM OF HEATER TO FLOOR 12 FRONT CLEARANCE FROM FRONT OF HEATER TO CLOSET DOOR NOTE 24 MINIMUM RECOMMENDED FRONT CLEARANCE FOR SERVICE AND MAINTENANCE WIRING DIAGRAM BEHIND THE FRONT COVER FOR YOUR SAFETY DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE English French Rating Label MODEL NO NUMERO DE MODELE SERIAL NUMBER NUM RQ DE SERIE AUTOMATIC INSTANTANEOUS WATER HEATER CHAUFFE EAU INSTANTANE AUTOMATIQUE m
79. may answer your question s and eliminate the need for service Preoperating Checklist Is the main gas valve to the water heater turned on Is the fuse in place is the breaker turned on Does the water heater s electronic ignition light Is the water temperature set to a safe temperature Is the water heater connected to floor drain Is the water heater properly vented to the outside Is the water heater installed in a safe location away from flammable materials and or freezing conditions PRODUCT INFORMATION Specifications Direct Vent Models 131 2 343 65 4 172 1315 16 354 19 16 SS l 13 2 40 mm 45 mm QOQ 55 8 ma 55 5 92 en 143 mm 143 mm 106 mm 13 2 343 mm 1315 16 354 mm 12Ae 13 4 45 mm 40 mm pss el Len 106 3 Y 21 6 2th 53 mm 55 8 Mat 55 58 mm 27 8 143 mm 143 mm 73 mm PRODUCT INFORMATION Specifications The following product information can be found from the rating label on this water heater A Model Number B Serial Number C Data Bar Code D Heater Type E Installation Type Type of Gas G Max Inlet Gas Pressure H Min Inlet Gas Pressure J Recovery Rating K Max BTU Input Rating L Min BTU Inpu
80. n Electrical Wiring ADANG E R Shock Hazard Before servicing the water heater turn off the electrical power to the water heater at the main disconnect or circuit breaker Failure to do so will result in death or serious personal injury AWARN ING wiring connections and electrical grounding must comply with local codes or in the absence of local codes with the latest edition of the National Electrical Code ANSI NFPA 70 in the U S or Canadian Electrical Code CAN CSA C22 1 Part 1 in Canada ACAUTI ON Labeling all wires prior to disconnection is recommended Wiring errors can cause personal injury product damage and or dangerous operating conditions Verify correct operation after servicing NOTICES DO NOT connect power until venting installation is complete see Venting Installation pages 34 45 Wait ninety 90 seconds after power is connected for the first time to initiate operation of the water heater Power consumption is up to 100 Watts during normal operation 3 5 Watts during standby waiting to run and up to 200 Watts during the freeze protection operation Power Cord The electric power supply requirement for this water heater is 120 VAC 60 Hz 2 Amps A dedicated circuit is recommended for the water heater DO NOT connect to a GFCI or AFCI circuit Multiple units may be connected to a single circuit up to the circuit rating DO NOT use 3 prong to 2 prong adapters DO NOT
81. n that can result in death or serious injury and or damage to property ACAUTI ON 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 AWARNINGS This water heater is not suitable for use in manufactured mobile homes e Improper installation adjustment alteration service or maintenance can cause death personal injury or property damage Follow the instructions in this manual 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 death or serious bodily injury 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 AWARNING California Proposition 65 This product contains chemicals known to the state of California to cause cancer birth defects or other reproductive harm IMPORTANT SAFETY INFORMATION Water Heater Venting Safety ADANG Failure to install and properly vent the water heater to the outdoors as outlined in the Venting section of the Installation Instructions in this manual will result in death from fire ex
82. n the top label on the right side of the water heater MODEL NUMBER SERIAL NUMBER DATE OF INSTALLATION INSTALLING COMPANY PHONE NUMBER PLUMBING CONTRACTOR PHONE NUMBER See page 26 for additional service information SAFETY PRECAUTIONS e Read this manual entirely before installing and or operating the water heater Use this water heater only for its intended purpose as described in this Use and Care Manual 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 Be sure your water heater is properly installed in accordance with local codes and the provided installation instructions DO NOT attempt to repair or replace any part of your water heater unless it is specifically recommended in this manual All other servicing should be referred to a qualified service technician SAVE THESE INSTRUCTIONS 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 Chart on pages 23 and 24 Always refer to this chart before calling for service Referring to this chart before calling
83. nst accidental contact with people and pets INDOOR TANKLESS WATER HEATERS AWARN NG For multiple unit installation a minimum distance between vent terminations must be maintained to prevent recirculation of vent gases Maintain a horizontal center to center distance between vent terminations of 19 in 48 cm for two unit installation or 21 in 53 cm for installation of three or more units Vents cannot be stacked vertically Venting for Direct Vent Water Heater cont Rising moisture will collect under eaves I I O caulk L If soffit vent is too close J block off and install new vent at another location 6 1 8 m Caulk zone or to edge of window etc starting within 6 1 8 m Sheet metal plate on brick or masonry surface recommended DO NOT terminate vent directly on brick or masonry surfaces A rust resistant sheet metal backing plate is recommended behind the vent Caulk all cracks seams and joints within 6 ft 1 8 m of the vent terminal Caulk around wall faceplate for weather tight seal DO NOT extend exposed vent pipe of indoor water heaters outside of the building This water heater requires its own separate venting system DO
84. nt at the completion of the installation 35 Venting INSTALLATION INSTRUCTIONS amp Venting for Direct Vent Water Heater cont 1 4 Per Foot Downward Slope recommended 36 IN 90 Fire Inspection Ceiling Stop Access Panel Optional Recommended Vent Lengths Number of 90 Maximum Length Elbows bends of Straight Pipe 39 ft 12 0 m 37 ft 6 in 11 5 s S nones Maximum Vent Length The system will not operate if there is excessive restriction pressure drop in the venting system Use the chart above to calculate the maximum pipe run length with the required number of elbows e g a maximum 39 ft 12 m of vent pipe may be used provided there is only one 90 elbow in the system A 90 elbow is equivalent to 1 ft 6 in 0 5 m of straight pipe while a 45 elbow is equivalent to 9 in 0 25 m of straight pipe The vent termination does not count as part of the straight pipe equivalent when determining the total vent length The vent pipe should be installed with a slight downward slope of 1 4 in per foot of horizontal run toward the vent termination This ensures that any condensate formed during operation is evacuated from the water heater It also prevents rain from entering the appliance An upward slope on the vent termination is not acceptable for horizontal venting without using the condensate collector Vent Pipe Inspection Access Panel Opt
85. o complete the installation The rear of the water heater can be positioned anywhere between 3 8 in 0 95 cm and 1 1 2 in 3 8 cm from the wall indoor model only 33 INSTALLATION INSTRUCTIONS Venting 34 Venting for Direct Vent Water Heater The water heater must be installed with 3 in 5 in 7 6 cm 12 7 cm diameter UL approved Category 111 Coaxial Stainless Steel appliance vent pipe water heater manufacturer approved concentric vent pipe ADAN G E R Failure to install and properly vent the water heater to the outdoors as outlined in this Venting section will result in death or serious personal injury 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 this Venting section AWARNINGS e Use 3 in 5 in 7 6 cm 12 7 cm UL approved Category Stainless Steel vent materials or water heater manufacturer approved vent material No other vent material is permitted for use with this appliance e Refer to page 29 for required clearances to combustible materials Improper clearances can cause explosion or fire resulting in death personal injury and or product damage Venting Requirements 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
86. of 15 ft 4 57 extended above meter regulator assembly the meter regulator assembly Clearance to service regulator vent outlet 3 ft 91 cm J Clearance to nonmechanical air supply inlet to 6 in 15 cm for water heaters less than or 6 in 15 cm for water heaters less than the combustion air inlet to any building or other equal to 10 000 Btuh 3 kW or equal to 10 000 Btuh 3 kW appliance 9 in 23 cm for water heaters greater than 12 in 30 cm for water heaters greater 10 000 Btuh 3 kW and less than or equal than 10 000 Btuh 3 kW and less than or to 50 000 Btuh 15 kW equal to 100 000 Btuh 30 kW 12 in 30 cm for water heaters greater 36 in 91 cm for water heaters greater than 50 000 Btuh 15 kW than 100 000 Btuh 30 kW Clearance to mechanical air supply inlet 3 ft 91 cm above if within 10 ft 6 ft 1 83 m L Clearance above paved sidewalk paved driveway t located on public property 7 ft 2 13 Clearance under veranda porch deck or balcony 12 in 30 1 In accordance with current ANSI Z223 1 NFPA 54 National Fuel Gas Code 2 In accordance with current CAN CSA B149 1 Installation Codes 3 For outdoor model 4 ft 1 2 m below or to side of opening 1 ft 300 mm above opening 4 These are recommended minimum distances to prevent exhaust gas recirculation which may cause operational issues with the appliance For clearances not specified in A
87. on and ventilation as described on pages 38 39 or page 43 in this manual Maintain proper clearances to combustibles and noncombustibles as specified on the rating plate Make sure the venting system complies with local codes National Fuel Gas Codes ANSI Z223 1 NFPA 54 or CAN CSA B149 1 and the guidelines found on pages 34 through 45 in this manual The manufacturer s warranty does not cover any damage or defect caused by insulation insulation attachment or use of any type of energy saving or other unapproved devices unless authorized by the manufacturer The use of unauthorized energy saving devices can result in death personal injury and or property damage The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized devices e Contact the local gas company to make sure the gas meter and gas piping are adequately sized Use Teflon tape on all male water line connections and fittings DO NOT block or restrict any air intake openings DO NOT remove the front cover unless absolutely necessary This should only be done by a qualified service technician DO NOT install this product where standing water may occur DO NOT use pipe dope on water line connections and fittings INSTALLATION INSTRUCTIONS Installation Checklist A Water Heater Location Indoor water heaters must be installed indoors Outdoor water heaters must be installed o
88. plosion 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 terminal the air intake and the coaxial vent system on the water heater 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 coaxial vent system inspection AWARNINGS Gasoline and other flammable liquids materials and vapors including paint thinners solvents and adhesives are extremely dangerous DO NOT handle use or store gasoline or other flammable or combustible materials anywhere 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 death bodily injury or property damage Combustible construction refers to adjacent walls and ceilings and should not be confused with combustible or flammable products and materials Combustible materials such as clothing cleaning materials or flammable liquids should never be stored in the vicinity of this or any gas appliance Fire or explosion can occur causing death personal injury and or product damage See page 29 for clearances to combustible materials Follow vent manufacturer s instructions for venting installation including addition
89. preventive maintenance was National Service Department 1241 Carwood Court Montgomery Alabama 36117 Phone 1 800 432 8373 performed Details of the persisting problem List of businesses that have tried to fix this problem along with dates of service 26 INSTALLATION INSTRUCTIONS FOR THE CONTRACTOR General INSTALLATION INSTRUCTIONS 28 amp Standards Compliance This water heater must be installed in accordance with these instructions local codes and utility company requirements In the United States where local codes are not available use the latest edition of the American National Standard National Fuel Gas Code A copy of the Fuel Gas Code can be purchased from either the American Gas Association 400 North Capitol Street Northwest Washington DC Choosing a Location AWARNING rie Hazara Combustible construction refers to adjacent walls and ceilings and should not be confused with combustible or flammable products and materials Combustible materials such as clothing cleaning materials or flammable liquids must not be placed against or next to the water heater Fire or explosion could occur causing death personal injury and or product damage A gas fired water heater should never be installed in a space or room where liquids with flammable vapors are used or stored Such liquids include gasoline LP gas butane or propane paint adhesives and their thinners solv
90. r 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 For multiple unit installation a minimum distance between vent terminations must be maintained to prevent recirculation of vent gases Maintain a center to center distance between vent terminations of 19 in 48 cm for two unit installation Maintain a center to center distance between vent terminations of 21 in 53 cm for installation of three or more units ACAUTIONS Ensure that the appliance vent is securely attached to the water heater collar Condensate must drain away from the water heater and should not be allowed to drain back into any part of the vent system DO NOT operate without the condensate trap connected to the vent and routed to the proper drain e Follow the vent manufacturer s installation instructions because the design might vary from manufacturer to manufacturer Safety IMPORTANT SAFETY INFORMATION Water Supply Safety ADANGERS e WATER TEMPERATURE SETTINGS Safety and energy conservation are factors to be considered when selecting the water temperature setting of a water heater s remote control Water temperatures above 125 F 52 C can cause death or severe burns from scalding Be sure to read and follow the warnings outlined on the pictured label There
91. s in excess of 140 f d This tankless water heater if it is installed in any installation supplying radiant heat such as in floor baseboard radiators snow melt or closed loop systems or any system using glycol or non potable water e Damages malfunctions or failures resulting from failure to install the water heater in accordance with applicable building codes ordinances or good plumbing and electrical trade practices f Damages malfunctions or failures resulting from improper installation or failure to operate and maintain the unit in accordance with the manufacturer s instructions provided including outside recommended water quality levels g Performance problems caused by improper sizing of the water heater or the gas supply line the venting connection combustion air openings electric service voltage wiring or fusing h Damages malfunctions or failures caused by improper conversion from natural gas to LP gas or LP gas to natural gas fuel source i Damages malfunctions or failures caused by operating the water heater with any parts removed or with modified altered or unapproved parts installed j Damages malfunctions or failures caused by abuse accident fire flood freeze lightning acts of God and the like k Heat exchanger failures leaks caused by operating the water heater in a corrosive or contaminated atmosphere or damages malfunctions or failures caused by lime mineral build up or scale Damages malfun
92. semble a 7 S X One remote control is provided with the water heater Additional remote controls may be purchased separately The available remote controls are listed in the following chart Up to three remote controls can be used with the water heater No other manufacturer s controls are suitable for use with this water heater Review the following considerations before determining the location of the remote control s Va DN DO NOT install any remote control outdoors or where it can come in contact G with water Va EN Avoid installing the remote control in the following areas and or conditions area exposed to heat J area exposed to steam area exposed to oil areas near stored or used flammable products e Place remote control out of children s reach area exposed to direct sunlight remote control should be installed in a convenient location e g kitchen laundry room utility room or directly next to the water heater e The maximum distance between the water heater and the remote control installation location is limited to 195 ft 59 m of wire Sa 9498 Remote Control Description Remote Control Model Number Temperature Set Point Range Availability 100 F 120 F 38 C 49 C Factory Default 85 F 29 C Qualified Technician UMC 117 125 F 140 F 52 C 60 C Adjustment for Residential Products 85 F 29 C Qualified Technician 12
93. signed with a built in air cushion that compresses as the system pressure increases This relieves the over pressure condition and eliminates the repeat operation of the relief valve For other approved methods of thermal expansion contact an installing contractor water supplier or plumbing inspector Chart for Recommended Water Quality Levels TDS Total Dissolved Solids Free OR Total T Up to Up to Up to Up to Up to Up to Up to 6 5 8 5 UptoS00mg L 15 oo o o5 200mg 10mg 0 05 1 0 mg L Cited reference National Secondary Drinking Water Regulations Water Supply Connections ACAUTI ON important po NOT apply heat to the HOT or COLD water connections If sweat connections are used sweat tubing to the adapter before fitting the adapter to the water connections on the water heater Any heat applied to the water supply fittings will permanently damage the internal components of the water heater NOTI CE In cold environments ice can accumulate in the water heater s connectors Plug in the water heater power cord for approximately 10 minutes before making these connections This will melt any ice buildup Plumbing should be carried out by a qualified plumbing contractor in accordance with local codes Only use approved plumbing materials To allow the full flow capacity it is recommended to keep water inlet and outlet pipes 3 4 in 1 9 cm diameter or larger
94. sposal of the failed water heater or defective component part s or updating the installation to meet manufacture or local code requirements All such expenses are your responsibility Rheem will pay the transportation costs for an in warranty replacement water heater or in warranty replacement component part s to a convenient delivery point selected by Rheem near the place the original water heater or original component part s is located such as a local water heater distributor You must pay any local freight charges including the cost of returning the failed water heater or defective component part s to a convenient shipping location selected by Rheem such as a local Rheem distributor Rheem does not authorize recommend or receive any benefit from any claims processing or similar fees charged by others to process warranty claims for any water heater or component part s Rheem will not reimburse any party for these or any other fees not specifically covered in this Limited Warranty document HOW TO OBTAIN WARRANTY CLAIM ASSISTANCE Any claim for warranty assistance must be made promptly First determine if your water heater is in warranty that is within the Applicable Warranty Period You can determine your unit s warranty status by adding its Applicable Warranty Period to its date of installation However if you do not have documentary proof of your water heater s date of installation your unit s warranty status
95. st be of the type resistant to the action of LP gas ensure proper water heater operation the gas pipe and gas meter must be sized correctly For increased energy efficiency use pipe insulation as shown in the diagram Insulate the pipes all the way to the top DO NOT cover any drain or pressure relief valve s Relief Lj 4 Valve f lt TA Water NSO LSS Cold Water P N Service Valve 72 4 z Water Hot Water _ amp Inlet 5 s Service Valve o 4 h J Dran FT f flexible connectors are used the minimum inside diameter must be 3 4 or greater and the rated capacity of the connector must be equal to or greater than the BTU capacity of the water heater See manufacturer information for the gas connector Lengths over 36 inches are not recommended DO NOT use excessive force when tightening the pipe sections Excessive force can damage the water heater especially when Teflon pipe compound is used Manual Gas Shut Off Valve Manual Gas Supply Line 5 Shut Off Valve INSTALLATION INSTRUCTIONS Gas Supply cont Gas Piping Pipe Sizing Procedure Example The gas supply system must be properly sized to ensure the proper operation of this tankless water heater as well as all the gas appliances on the system Failure to ensure the gas system meter regulators and pip
96. t Rating M Manifold Gas Pressure N Certification Stamp P Alternate Approval Stamp Q Clearances English Ratin g Label 7 MODELNO A SERIAL NUMBER B D arica ANSI Z21 10 3b CSA 4 3b 2008 mx meos P ws MAX INLET GAS PRESSURE G wc MIN INLET GAS PRESSURE H W C RECOVERY RATING GALLONS HR MAX WORKING PRESSURE 150 psi ELECTRICAL RATING 120V 60HZ LESS THAN 2 AMPS MAX INPUT K BTU HR MIN INPUT L BTU HR MANIFOLD PRESSURE M w c FOR MAX INPUT This appliance must be installed in accordance with local codes or in the absence of local codes the National Fuel Gas Code ANSI Z223 1 NFPA 54 or the CSA B149 1 Natural Gas and Propane Installation Code Suitable for water potable heating and space heating The water heater shall not be connected to any heating system or component s previously used with a nonpotable water heating appliance A pressure relief valve listed as complying with the Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems ANSI 221 22 shall be installed at the hot water outlet connection of the water heater at the time of installation of the heater Local codes shall govern the installation of relief devices For safe operation of the water heater the relief valve s must not be removed or plugged No valve shall be placed between the relief valve and the water heater The relief fro
97. technician Turn on a hot water faucet Turn off the hot water faucet and reinstall the unit cover panel 16 CARING FOR YOUR WATER HEATE amp Care and Cleaning ADANGER shock Hazard Make certain power to the water heater is OFF before removing protective cover for any reason Electric shock will cause death or serious personal injury AWARN IN G Combustible materials such as clothing cleaning materials or flammable liquids must not be placed against or next to the water heater Fire or explosion can occur causing death personal injury and or product damage All care and cleaning to and around the water heater should only be performed with the water heater turned off and the electrical power supply disconnected Vacuum around the water heater to remove any dust dirt and or lint buildup Clean the water heater and the remote control with a damp soft cloth and mild detergent Gently wipe and completely dry all surfaces Check the air intake and vent outlet for blockage and or debris 4 3 O d NOTI GE The air intake requires a minimum of 12 in 30 cm of clearance between the air intake opening and any obstruction Clean the water filter monthly as described below and on page 18 Water Filter Cleaning Turn off the water heater and disconnect the electrical power supply Cold Water Supply Shut Off Valve
98. tector 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 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 horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS 4 INSPECTION The state or local gas inspector of the side wall horizontally 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 installed in a room or structure separate from the dwelling building or structure used in whole or in part for residential purposes c MANUFACTURER REQUIREMENTS
99. tem and main burner should be no less than 4 5 ft 1400 mm above the garage floor The water heater should be installed as close as possible to the vent termination This minimizes the vent length and the number of elbows and joints required for venting The water heater should be installed with the proper venting and exhaust materials suitable for Category III venting Coaxial Vent Pipe and Air Intake INSTALLATION INSTRUCTIONS Choosing a Location cont 19080 12 300 Fire Stop Plate as required Every vent pipe penetration of a floor or ceiling that is not in a fire rated shaft requires a fire stop plate Failure to install and properly vent the water heater to the outdoors as outlined on pages 34 through 45 can result in unsafe operation 300 mm Minimum water heater clearances from combustible and noncombustible construction are as follows 1 2 in 1 3 cm for sides 0 in 0 cm for rear with support bracket s 12 in 30 cm from the bottom top and front N OTI C E Pietoredandineranos clearance is 24 in 61 cm from top bottom and front of unit 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 areas prohibited by National Fuel Gas Code in U S installation or CAN CSA
100. ter Vapors can ignite causing death personal DO NOT t ien t d injury or product damage urn on water heater unless water and gas lies are completel ned DO NOT store or use flammable or combustible Ee e b dea followi materials gasoline paint thinner adhesives there is any difficulty in understanding or following newspapers rags mops etc in the vicinity of the the operating and care instructions in this manual it water heater or any other gas appliance If they must is recommended that you contact a qualified service be used open doors and windows for ventilation and technician to perform the work shut off all gas burning appliances including their pilot lights Setting the Water Temperature ADAN G E R Water temperatures above 125 F 52 C will result in death and or severe burns from scalding Safety and energy conservation are factors to be considered when selecting the water temperature setting The temperature of the water in the water heater can be regulated by setting the temperature on the front of the remote control Be sure to read and follow the warnings outlined on the pictured label The remote control has been preset and shipped at the recommended temperature setting Safety factors should be considered whenever altering the water temperature setting The chart below may be used as a guide in determining the proper water temperature for your home A DANGER Time Temperature Rel
101. ting system should be inspected annually by A CAUTI ON DO NOT operate without the a qualified service technician to ensure all of the vent condensate trap connected to the vent and routed to the sections are secure and airtight proper drain It could cause the system to malfunction or fail AWARNING po not operate the water heater if the vent system shows signs of leaking exhaust Leaking exhaust could lead to death personal injury and or product failure On a regular basis inspect the condensate trap to Check the air intake and vent outlet for blockage and ensure there is enough water in the trap and the or debris condensate is draining properly Ensure that condensate is disposed of per local codes and regulations 15 CARING FOR YOUR WATER HEATER amp Water Heater Inspections cont It is recommended that the burner be inspected annually pues by a qualified service technician E class ADANG ER shock Hazard Removing the front cover panel exposes you to live electricity Electric shock will cause death or serious personal injury While the water heater is operating inspect the main burner flames through the burner sight glass The flames should be blue when the main burner is firing N OTI CE If the flames are not blue or you observe unusual burner operation shut off the water heater and contact a qualified service
102. ts and one 1 year for certain labor as described under the heading LABOR SHIPPING AND PROCESSING COST Commercial with recirculation controlled loop Five 5 years from the Effective Date for the heat exchanger five 5 years from the Effective Date for the component parts and one 1 year for certain labor as described under the heading LABOR SHIPPING AND PROCESSING COST Provided that the recirculation system is an on demand type system or the pump is controlled with a temperature sensor aquastat and timer Commercial with recirculation uncontrolled loop Three 3 years from the Effective Date for the heat exchanger three 3 years from the Effective Date for the component parts and one 1 year for certain labor as described under the heading LABOR SHIPPING AND PROCESSING COST if the water heater is installed in a system in which the water is re circulated using a continuously operating pump WARRANTY EXCLUSIONS This Limited Warranty will not cover a Service trips to your business to teach you how to install use or maintain this water heater or to bring the water heater installation into compliance with local building codes and regulations or manufacture installation requirements b This tankless water heater if it is installed for use in spa or pool heating a recreational vehicle a boat or any other watercraft c Units installed in any circulating system in which the temperature of the incoming water to the water heater i
103. ure settings down to 85 F 29 C Turn off the gas and water to the water heater by closing the shut off valves PRIORITY j F Press the DOWN adjustment button repeatedly until 100 F 38 C shows in the LED display PRIORITY N OTI C display only shows F Press the DOWN adjustment button 3 times within 5 The display will show 85 Turn on the gas and water to the water heater by opening the shut off valves NOTICE the maximum flow rate at 85 F 29 C is 1 3 gpm 5 0 L m High Altitude DIP Switch Adjustments Verify the altitude that the water heater is installed When the water heater is installed above 3 280 ft 1 000 m the settings on the DIP switch located on the control board need to be changed If these settings are not changed the water heater may not function properly N OTI CE If the water heater is installed under 3 280 ft 1 000 m altitude no adjustments are necessary Turn off the gas water to the water heater by closing the shut off valves 67 ISTIS StartiAdjust 68 INSTALLATION INSTRUCTIONS Find DIP Switch 2 located in the top right portion of the control board The switch labeled DIP 2 is the bottom switch As set from factory High Altitude DIP Switch Adjustments cont Dip switch adjustment
104. ure to drain the water Running Water Freeze Protection heater can cause serious personal injury from scalding and or product damage Whenever the water heater may be exposed to freezing conditions make sure to completely drain the water from the unit See page 20 Freezing conditions come from the ventilation system on direct vent models and from exposure to cold air on outdoor models All of these water heaters are equipped with a freeze protection electric heater This heater prevents freezing inside the water heater down to an ambient temperature of approximately 30 F 34 C These temperatures are all based on temperatures without wind The heater only protects the internal components of the z water heater NOTICE Unplugging or disconnecting the power t supply to the water heater will also disconnect the power to the heater Turn off the water heater by pressing the POWER ON OFF button on the control panel External piping and valves require additional freeze protection One method is to wrap insulation around the piping and valves Another method is to turn on a hot water faucet and leave a small amount of water running at a faucet This will protect the water heater piping and valves from freezing Open a hot water faucet slightly until the water stream is approximately 1 8 in 0 3 cm Be sure to check the flow periodically 22 CARING FOR YOUR WATER HEATER V
105. utdoors Close to area of ventilation termination indoor models Protected from freezing temperatures Proper clearance from combustible material observed Sufficient fresh air supply for proper operation of water heater Air supply free of corrosive elements and flammable vapors Provisions made to protect area from water damage Sufficient room to service heater Combustible materials such as clothing cleaning materials and rags clear of the heater and vent piping Water heater is properly attached to the wall B Coaxial Vent Indoor Models 1 Vent pipe material is Category 1 and is manufacturer approved Horizontal vent runs have 1 4 in per foot of DOWNWARD slope towards the vent terminal Vertical venting is installed as described on pages 44 and 45 5 securely fastened together with high temperature silicone 500 F 260 C and airtight All coaxial vent runs are properly installed Vent terminal is properly installed Maximum vent length is observed C Water Supply Relief Valve Water supply has sufficient pressure Air has been purged from the water heater and the piping Water connections tight and free from leaks Water filter is clean and in place All piping has been assembled as described on pages 47 and 48 Water pipes are insulated and protected from freezing if necessary Pressure relief
106. weather conditions this water can freeze If this happens allow the defrost protection on the water heater at least 30 minutes to melt the frozen water The water heater will not work properly until this water is thawed To put the water heater back in service Open all hot water faucets and let run until all air has been purged from the lines Disconnect drain hose Make sure the drain valve is closed Plug in the power cord or reconnect the power supply at the circuit breaker box A 5 7 4 Jefa e X 0 Reinstall the water filter the base of the cold water ms inlet line Pel Open the water shut off valve Press the POWER ON OFF button on the control panel to restart the unit 21 CARING FOR YOUR WATER HEATER amp Draining the Water Heater cont Preferred Drain Method Isolator valve kits may be purchased from the manufacturer distributor or place of purchase The kits Relies 2 IET include two full port isolation valves to be used in the inis ST F Cold Water f AN Service Valve inlet and outlet water lines It is highly recommended 3 to install isolator valve kits because these kits provide Hot wats ek LL We 17 a means for full diagnostic testing and ease of system service Valve p flushing dr Drain amp Freeze Protection AWARN NG Fail
107. ween elbows or other fittings and the straight runs of vent pipe Check the system for signs of sagging or other stresses in the joints as a result of misalignment of any components in the system 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 See page 35 for additional requirements for the Commonwealth of Massachusetts INSTALLATION INSTRUCTIONS In the Commonwealth of Massachusetts The Commonwealth of Massachusetts requires compliance with regulation 248 CMR 4 00 and 5 00 for installation of through the wall vented gas appliances as follows 5 08 Modifications to NFPA 54 Chapter 10 1 Revise NFPA 54 section 10 5 4 2 by adding a second exception as follows Existing chimneys shall be permitted to have their use continued when a gas conversion burner is installed and shall be equipped with a manual 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 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
108. xplosion D Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water OPERATING INSTRUCTIONS 1 STOP Read the safety information above on this label AR 2 Turn off all electric power to the appliance GAS SHUTOFF 3 Do not attempt to light the burner by hand VALVE NA 4 Turn the Gas Shutoff Valve located on the outside of the unit clockwise to the OFF position 5 Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this label If you don t smell gas go to the next step 6 the Gas Shutoff Valve located on the outside of the unit counterclockwise to the ON position 7 Turn on all electric power to the appliance 8 If the appliance will not operate follow the instructions To Turn Off Gas To Appliance and call your service technician or gas supplier TO TURN OFF GAS TO APPLIANCE 1 Turn off all electric power to the appliance if service is to be performed 2 Turn the Gas Shutoff Valve located on the outside of the unit clockwise to the OFF position OPEN CLOSE 63 snipers Start Adjust 64 INSTALLATION INSTRUCTIONS Operating Instructions Read understand and follow the safety information listed on the operating label on page 63 and in the Important Safety
109. y opened 2 Check and completely open the gas valve 3 Gas supply pressure is low 3 Contact your gas utility company or gas contractor to verify the gas meter and gas piping size 4 Bleed over in one of the hot water 4 Contact a dealer or a qualified service fixtures technician Water too hot 1 Temperature is set too high 1 Decrease the temperature setting at the remote control 2 Water shut off valve is not completely 2 Check and completely open the water shut opened off valve 3 Small amount of water has been heated 3 Increase the hot water flow at the faucet to allow more water to flow through the water heater Fan continues to rotate after the hot water The post purge cycle clears flue gases Normal operation faucet is closed 24 CARING FOR YOUR WATER HEATER Q Service Error Code Chart Your water heater has an electronic diagnostic system built into it When the water heater finds a problem it displays an error code in the LED display on the remote control The following chart lists the error codes along with their possible problem and solution Using this chart may help you diagnose and or fix a problem you may be experiencing Please refer to this chart before calling for service assistance Wait about 5 minutes then restart the water heater by ADANG ER Shock Hazard Make certain pressing the POWER ON OFF button power to the water heater is
110. ys attach a drain hose to the condensate collector and plumb the hose to a sanitary sewer drain EN Tr Upward Slope X When a water heater is vented vertically an UPWARD slope must always be used Always attach a drain hose to the condensate collector and plumb the hose to a sanitary sewer drain Properly installed condensate traps prevent the condensate from draining back into the water heater A high temperature silicone tubing suitable for use with acidic condensate and appropriate for the temperature range should be used Condensate Collector Condensate Trap The drain tube is fashioned into a pigtail trap and must be filled with water to prevent flue gases from emitting into the building prior to operating the water heater 37 INSTALLATION INSTRUCTIONS Venting for Direct Vent Water Heater cont Horizontal Vent Terminal Location Outside Walls Closed Venting Closed Operable Vent Terminal e Air Supply Inlet El Area Where Terminal is Not Permitted Inside Wall ux 38 INSTALLATION INSTRUCTIONS Horizontal Vent Terminal Location cont The fo

Rheem Tankless Mid-Efficiency 64 Direct Vent Indoor Use & Care Manual

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Rheem Tankless Mid-Efficiency 64 Direct Vent Indoor Use &amp; Care Manual

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Rheem Tankless Mid-Efficiency 64 Direct Vent Indoor Use & Care Manual