Rheem CRTGH-95X Series Use And Care Manual
  1. Manuals
  2. Brands
  3. Rheem Manuals
  4. Water Heater
  5. CRTGH-95X Series
  6. Use and care manual

Rheem CRTGH-95X Series Use And Care Manual

94% condensing tankless
Hide thumbs
Table of Contents

Advertisement

Quick Links

WARNING:

Iftheinformationinthesein-
structionsisnotfollowedexact-
ly,afireorexplosionmayresult,
causingdeath,personalinjury,
orpropertydamage.
ForYourSafety!
• D onotstoreorusegasoline
orotherflammablevaporsand
liquidsinthevicinityofthisor
anyotherappliance.Todoso
mayresultinanexplosionor
fire.
• I nstallationandservicemust
beperformedbyaqualified
installer,serviceagency,orthe
gassupplier.
WhattoDoIf
YouSmellGas
• D onottrytolightany
appliance.
• D onottouchanyelectrical
switch;donotuseany
phoneinyourbuilding.
• I mmediatelycallyourgas
supplierfromaneighbor's
phone.Followthegassupplier's
instructions.
• I fyoucannotreachyour
gassupplier,callthefire
department.
• D onotreturntoyourhomeuntil
authorizedbythegassupplier
orfiredepartment.
Donotdestroymanual.Pleaseread
carefullyandkeepinasafeplace
forfuturereference.
DirectVentModels
OutdoorModels
Rheem/EcoSense
Rheem/EcoSense
CRTGH-95DV*
CRTGH-95X*
CRTGH-84DV*
CRTGH-84X*
CECOH200DV*
CECOH200X*
*
CECOH160DV
CECOH160X*
Ruud
Ruud
CRUTGH-95DV*
CRUTGH-95X*
Paloma
Paloma
CPHH-32RDV*
CPHH-32ROF*
CPHH-25RDV*
CPHH-25ROF*
Reliance
RHCGH200DV*
RHCGH160DV*
* A llmodelsavailablefornaturalgas(N)or
propanegas(P)usage.
Printed in USA
AP15897 (03/11)
94% CONDENSING
TANKLESS
WATER HEATER
USE AND CARE MANUAL
With Installation Instructions
for the Installer
Water Heaters for Other Than
Recreational Vehicle Installation Only
CERTIFIED
®
R

Advertisement

Table of Contents
loading

Related Manuals for Rheem CRTGH-95X Series

Summary of Contents for Rheem CRTGH-95X Series

  • Page 1 • I mmediatelycallyourgas supplierfromaneighbor’s phone.Followthegassupplier’s instructions. • I fyoucannotreachyour gassupplier,callthefire department. • D onotreturntoyourhomeuntil authorizedbythegassupplier orfiredepartment. Donotdestroymanual.Pleaseread carefullyandkeepinasafeplace forfuturereference. DirectVentModels OutdoorModels Rheem/EcoSense Rheem/EcoSense CRTGH-95DV* CRTGH-95X* CRTGH-84DV* CRTGH-84X* CECOH200DV* CECOH200X* CECOH160DV CECOH160X* Ruud Ruud CRUTGH-95DV* CRUTGH-95X* Paloma Paloma CPHH-32RDV* CPHH-32ROF* CPHH-25RDV* CPHH-25ROF* Reliance...

  • Page 2: Table Of Contents

    CONTENTS ImportantSafetyInformation InstallationInstructions Safety Precautions ..............2–8 Standards Compliance ..............28 Choosing a Location ..............28, 29 ProductInformation Product Inspection ................. 30 Product Information ................ 8 Water Heater Installation ............30–33 Specifications ................9, 10 Venting ..................34–46 General Descriptions ............... 11, 12 Water Supply ................47-51 UsingYourWaterHeater Condensate ...................

  • Page 3: ImportantSafetyInformation

    See page 39 for information causingdeath,personalinjury,and/orproductdamage. onventingandclearancestomultipleterminations. Seepage29forclearancestocombustiblematerials. CAUTIONS: • F ollowventmanufacturer’sinstructionsforventing installation,includingadditionalclearancesfrom • E nsurethattheapplianceventissecurelygluedand combustibles,toavoidconditionsthatcanleadto attachedtotheventconnectiononthetopofthewater death,personalinjury,and/orpropertydamage. heater.DONOTUSESCREWS. • U setanklesswaterheatermanufacturer-approved • D onotoperatewithoutthecondensatedrainconnected Schedule40PVC(foamcoreisnotpermittedatany androutedtoaproperdrain. time),Schedule80PVC,CPVC,ABS,orUL1738-listed CategoryIIIStainlessSteel.Nootherventmaterialis permitted.ForCanada,installationsmustfollowULC S636forexhaustventing. • M oistureinthefluegaswillcondenseasitleavesthe ventterminal.Incoldweatherthiscondensatecan freezeontheexteriorwall,undertheeaves,andon surroundingobjects.Somediscolorationtotheexterior ofthebuildingistobeexpected.However,improper...
  • Page 4 IMPORTANT SAFETY INFORMATION Water Supply Safety DANGERS: CAUTIONS: D A N G E R • T hiswaterheatermustonlybeused • W ATERTEMPERATURESETTINGS withthefollowingwatersupplysystem –Safetyandenergyconservation conditions: arefactorstobeconsideredwhen selectingthewatertemperature – W ithclean,potablewaterfreeof settingofawaterheater’sremote corrosivechemicals,sand,dirt,orother control.Watertemperaturesabove contaminants. 125°F(52°C)cancausedeathor – W ithinletwatertemperaturesabove32°F severeburnsfromscalding.Besure (0°C),butnotexceeding120°F(49°C). toreadandfollowthewarnings – D ONOTreversethehotandcoldwater outlinedonthepicturedlabel. connections.Thewaterheaterwillnot • T hereisahotwaterscaldpotential...
  • Page 5 IMPORTANT SAFETY INFORMATION Natural Gas and Liquefied Petroleum Safety DANGERS: WARNINGS: • N everattempttoconvertthewaterheaterfromnatural • The installationofgaspipingmustconformtolocal gastoLP.Thewaterheatermustonlyusethefueltype utilitycompanyrequirementsand/orintheabsenceof inaccordancewithlistingondataplate—naturalgas localcodes,usethelatesteditionofNationalFuelGas fornaturalgasunitsandLPforLPunits.Anyotherfuel Code(NFGC),ANSIZ223.1/NFPA54,orCAN/CSAB149.1, usagewillresultindeathorseriouspersonalinjuryfrom NaturalGasandPropaneInstallationCode. fireand/orexplosion.Thiswaterheaterisnotcertified • I nstallagaspressureregulatorinthegassupplyline. foranyotherfueltype. Theregulatorshouldnotexceedthemaximumsupply • B othnaturalgasandpropane(LP)haveanodorantadded pressure.DONOTuseanindustrial-typegasregulator. toaidindetectingagasleak.Somepeoplemaynot • S houldoverheatingoccurorthegassupplyfailtoshut physicallybeabletosmellorrecognizethisodorant.If off,turnoffthemanualgascontrolvalvetothewater youareunsureorunfamiliarwiththesmellofnatural heater....

  • Page 6: For Your Safety Read Before Operating

    IMPORTANT SAFETY INFORMATION Beforeoperatingthiswaterheater,besuretoreadand followtheinstructionsonthelabelpicturedbelowandall otherlabelsonthewaterheater,aswellasthewarnings printedinthismanual. Failuretodosocanresultinunsafeoperationofthewater heater,resultingindeath,personalinjury,orpropertydam- age.Shouldyouhaveanyproblemsreadingorfollowing theinstructionsinthismanual,STOPandgethelpfroma qualifiedservicetechnician. 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. OPERATING INSTRUCTIONS 1.STOP! Read the safety information above on this label.
  • Page 7 • F oryoursafety,theinformationin thismanualmust • M akecertainthepowertothewaterheaterisOFF befollowedtominimizetheriskoffire,explosion,or beforeremovingtheunitcoverpanel.Exposedelectrical electricshockthatcanresultindeath,personalinjury, componentsandmovingpartscancausepersonal and/orpropertydamage. injuries. • F ieldwiringconnectionsandelectricalgroundingmust • F oryoursafety,DONOTattemptrepairofelectrical complywithlocalcodesor,intheabsenceoflocal wiring,gaspiping,remotecontrol,burners,vent codes,withthelatesteditionoftheNationalElectrical connectors,orothersafetydevices.Referrepairsto Code,ANSI/NFPA70,orinCanada,CanadianElectrical qualifiedservicepersonnel. Code,CAN/CSAC22.1,Part1. FORINSTALLATIONSINTHESTATEOFCALIFORNIA Californialawrequiresthatwaterheatersmustbebraced, However,applicablelocalcodesshallgoverninstallation. anchored,orstrappedtoresistfallingorhorizontal Forresidentialwaterheatersofacapacitygreaterthan displacementduetoearthquakemotions.Forwater 52gallonsortankless-style,consultthelocalbuilding heatersupto52-galloncapacity,abrochurewithgeneric jurisdictioncodeforacceptablebracingprocedures. earthquakebracinginstructionscanbeobtainedfrom: OfficeoftheStateArchitect,1102QStreet,Suite5100, Sacramento,CA95814,oryoumaycall 916-445-8100oraskawaterheaterdealer....

  • Page 8: Safety Precautions

    IMPORTANT SAFETY INFORMATION General Installation and Maintenance Safety WARNINGS: SAFETYPRECAUTIONS: • R eadthismanualentirelybeforeinstallingand/or • T hiswaterheatermustbeinstalledinaccordance operatingthewaterheater. withtheseinstructions,localcodes,utilitycompany requirementsand/orintheabsenceoflocalcodes, • U sethiswaterheateronlyforitsintendedpurposeas usethelatesteditionoftheAmericanNational describedinthisUseandCareManual. Standard/NationalFuelGasCode(NFGC),ANSIZ223.1 • H avetheinstallershowyouthelocationofthegasshut- andNationalFireProtectionAssociation,NFPA54,or offvalveandhowtoshutitoffifnecessary.Turnoff inCanada,CAN/CSAB149.1,NaturalGasandPropane themanualshut-offvalveifthewaterheaterhasbeen InstallationCode,andthelatesteditionofthe subjectedtooverheating,fire,flood,physicaldamage, NationalElectricalCode,ANSI/NFPA70,orinCanada, orifthegassupplyfailstoshutoff. CanadianElectricalCode,CAN/CSAC22.1,Part1. • B esureyourwaterheaterisproperlyinstalled • F oryoursafety,DONOTattempttodisassemblethis inaccordancewithlocalcodesandtheprovided waterheaterforanyreason.Improperadjustments,...
  • Page 9 PRODUCT INFORMATION Specifications – Direct-Vent Models " (454 mm) " (140 mm) " (86 mm) " (159 mm) " (473 mm) " " (772 mm) (702 mm) " " (140 mm) (59 mm) " (105 mm) " (98 mm) " "...

  • Page 10: Specifications

    PRODUCT INFORMATION Specifications BRAND 157kBTUMODELS 199.9kBTUMODELS Rheem CRTGH-84DV*andCRTGH-84X* CRTGH-95DV*andCRTGH-95X* EcoSense CECOH160DV*andCECOH160X* CECOH200DV*andCECOH200X* Ruud CRUTGH-95DV*andCRUTGH-95X* Reliance RHCGH160DV* RHCGH200DV* Paloma CPHH-25RDV*andCPHH-25ROF* CPHH-32RDV*andCPHH-32ROF* ApplianceType Indoor(DV)&Outdoor(X) Indoor(DV)&Outdoor(X) ElectricalRating 120V/60Hz 120V/60Hz TypeofGas* InletGasPressure 10.5 13.0 10.5 13.0 Max.(in.ofw.c.) InletGasPressure Min.(in.ofw.c.) ManifoldPressure 2.5Indoor 3.9Indoor 4.6Indoor 2.6Outdoor 4.2Outdoor...

  • Page 11: General Descriptions

    PRODUCT INFORMATION General Descriptions Typical Direct-Vent Water Heater (Shown Without Venting) Remote Control With Power Switch Water Filter Power Supply Cord Manual Gas Manual Gas Service To Hot Water Supply Line Shut-O Valve Valve Faucet(s) Shut-O Valve (Supplied) Relief Relief Union Valve Valve...
  • Page 12 PRODUCT INFORMATION Typical Outdoor Water Heater (No Venting Required) ThiswaterheaterisforOUTDOORinstallationonly. DANGER: DONOTinstallthiswaterheaterindoorsorinaconfinedspace.Itisdesignedforoutdoor installationonly.Anyothertypeofinstallationwillresultindeathorseriouspersonalinjury. Flue Terminal Remote Control With Power Switch Hard-Wire Air Inlet Water Filter Power Supply Cord (not supplied) Service Valve Manual Gas Manual Gas To Hot Water Supply Line Shut-O Valve Faucet(s) Shut-O Valve...

  • Page 13: UsingYourWaterHeater

    USING YOUR WATER HEATER SafetyPrecautions WARNING: •  D O turn off manual gas shut-off valve if water heater Flammablevaporscanbe hasbeensubjectedtooverheating,fire,flood, drawnbyaircurrentsfromsurroundingareasto physical damage, or if the gas supply fails to shut thewaterheater.Vaporscanignitecausingdeath, off. personalinjury,orproductdamage. •  D O NOT turn on water heater unless water and gas • D ONOTstoreoruseflammableorcombustible suppliesarecompletelyopened.
  • Page 14 USING YOUR WATER HEATER SettingtheWaterTemperature(cont.) NOTICES: Maximumwatertemperatureoccurswhilethe waterheaterburnerison.Todeterminethewater • T hetemperaturesetpointonthestandardremote temperature: controlcannotbeincreasedabove 112°F(44°C)whenahotwaterfaucetisintheopen position.Toachievetemperaturesabove120°F (49°C)or85°F(29°C),contactaqualifiedservice technician.Onlyfactory-authorizedremotecontrol(s) shouldbeused. • T hewaterheatermaynotoperatewithasmall waterflow.Increasethewaterflowandrecheck.If itstilldoesnotoperatewiththehotwaterfaucet completelyopen,increasethetemperaturesetting ontheremotecontrol. Turnonthehotwaterfaucetandplaceathermometer inthewaterstream. WaterHeaterFacts NOTICE: Watertemperatureatthefaucetmay DANGER: Watertemperaturesabove125°F varydependingontheseasonandthelengthofpipe (52°C)willresultindeathand/orsevereburnsfrom fromthewaterheater. scalding. Theremotecontroltemperaturerangeisbetween • T hehottest-temperaturewaterwillbeatthefaucet 100°F(38°C)and120°F(49°C).Toadjustthe closesttothewaterheater.

  • Page 15: CaringForYourWaterHeater

    CARING FOR YOUR WATER HEATER WaterHeaterInspections VentingSystem CondensateCollector CAUTIONS: (DirectVentOnly) • C ondensateisknowntobeacidic;refertofederal, The ventingsystemshouldbeinspectedperiodicallyto state(provincial),andlocalcodesforproper ensurealloftheventsectionsaresecureandairtight. handlinganddischargemethods. Qualifiedservicepersonnelarefamiliarwithvent • D onotoperatewithoutthecondensatecollector systeminspections. drainconnectedandroutedtoaproperdrainthat WARNING: canhandlecorrosivecondensate.Thiscouldcause Donotoperatethewater thesystemtomalfunctionorfail. heateriftheventsystemshowssignsofleaking exhaust.Leakingexhaustcouldleadtodeath, personalinjury,and/orproductfailure. Outdoormodels Foroutdoormodels,checktheairintakeandvent outletforblockageand/ordebris. Condensate Drain Onaregularbasis,inspectthecondensatedrainline toensurethecondensateisdrainingproperly. Thecondensatecomingfromthewaterheaterisknown tobeacidic.Theheaterfeaturesabuilt-incondensate neutralizerthatusesCaCO (calciumcarbonate)inrock formasamedium....
  • Page 16 CARING FOR YOUR WATER HEATER WaterHeaterInspections(cont.) Burner Itisrecommendedtheburnerbeannuallyinspectedby aqualifiedservicetechnician. DANGER: Burner ShockHazard–Removingthe Sight Glass frontcoverpanelexposesyoutoliveelectricity. Electricshockwillcausedeathorseriouspersonal injury.  Whilethewaterheaterisoperating,inspectthe mainburnerflamesthroughtheburnersightglass. Theflamesshouldbebluewhenthemainburneris firing. NOTICE: Iftheflamesarenotblueoryou observeunusualburneroperation,shutoffthe waterheaterandcontactaqualifiedservice technician.  Remove6screwsandtheunitcoverpanel.  Turnonahotwaterfaucet.  Turnoffthehotwaterfaucetandreinstalltheunit coverpanel.

  • Page 17: Care And Cleaning

    CARING FOR YOUR WATER HEATER CareandCleaning DANGER: NOTICE: ShockHazard–Makecertain Theairintakerequiresaminimumof powertothewaterheaterisOFFbeforeremoving 12in.(30cm)ofclearancebetweentheairintake protectivecoverforanyreason.Electricshockwill openingandanyobstruction. causedeathorseriouspersonalinjury. Cleanthewaterfiltermonthly,asdescribedbelow. WARNING: WaterFilterCleaning Combustiblematerials,  s uchasclothing,cleaningmaterials,orflammable liquids,mustnotbeplacedagainstornexttothe waterheater.Fireorexplosioncanoccurcausing death,personalinjury,and/orproductdamage. Allcareandcleaningtoandaroundthewaterheater shouldonlybeperformedwiththewaterheaterturned offandtheelectricalpowersupplydisconnected.  Turnoffthewaterheateranddisconnectthe electricalpowersupply.  Vacuumaroundthewaterheatertoremoveany Cold Water Supply Shut-Off Valve dust,dirt,and/orlintbuildup.  Turnoffthewatersupplytothewaterheater. Drain Valve   C leanthewaterheaterandtheremotecontrolwith adampsoftclothandmilddetergent.Gentlywipe...
  • Page 18 CARING FOR YOUR WATER HEATER CareandCleaning(cont.) CAUTION: CAUTION: Donottaporforcethefilter Donotovertightenthewater duringremoval.Thiscandeformand/ordamagethe filter.Overtighteningcandeformand/ordamagethe filter. filter.  Unscrewthewaterfilterfromthebaseofthecold  Replacethefilterinthecoldwaterinletlineand waterinletlineandcarefullyslideitoutoftheline. tightenuntilitissnug.  Turnonthewatersupply,reconnecttheelectrical  Cleanthewaterfilterunderrunningwater.To supply,andturnonthewaterheater. removeseveresedimentanddirt,useasoftbrush.

  • Page 19: Preventive Maintenance

    CARING FOR YOUR WATER HEATER PreventiveMaintenance WARNING: N OTICE: Failuretoperformroutine  Ifthepressurereliefvalveonthe preventivemaintenancecanpreventthewater hotwaterheaterdischargesperiodically,thismay heaterfromoperatingproperly.Improperoperation indicateaprobleminthewatersystem.Contactthe watersupplieroraplumbingcontractortocorrect cancausecarbonmonoxidedangers,excessive watertemperatures,andotherpotentiallyhazardous theproblem.DONOTplugthereliefvalveoutlet. conditionsresultingindeath,personalinjury,and/or productdamage. Properlymaintainingyourwaterheaterwillensure dependable,trouble-freeservice. UserPreventiveMaintenance Establishandfollowaroutinepreventivemaintenance program.Thefollowingsuggesteditemsshouldbe includedinyourprogram. • I nspectandkeeptheareaaroundthewaterheater clearandfreeofflammablematerials,suchas gasolineandotherflammablevaporsandliquids. • V isuallyinspectthewaterheaterfordamageand/or denting.Ifpresent,contactaservicepersonnelto verifyproperoperation. • C heckforabnormalsoundduringnormaloperation (e.g.,hissingorbangingnoises).Contactaqualified servicetechnicianorplumbingcontractor.

  • Page 20: Draining The Water Heater

    CARING FOR YOUR WATER HEATER DrainingtheWaterHeater WARNING: Failuretofollowthesedraining instructionscancauseseriouspersonalinjuryfrom scaldingand/orproductdamage. Cold Water Supply Shut-Off Valve Closethewatershut-offvalve.  TurnoffthewaterheaterbypressingthePOWER ON/OFFbuttononthecontrolpanel.  Usingasuitablecontainertocatchthewater, removethewaterfilterfromthebaseofthecold waterinletline.  Closethegasshut-offvalve(s).  Connectagardenhosetothedrainvalveinthe hotwateroutletlineandplacetheotherendina suitabledrain.Openthedrainvalveuntilallthe  Atleast10secondsafterStep1,unplugthewater waterhasdrainedfromthewaterheater.Leave heaterordisconnectthepowersupplyatthecircuit waterheaterasisuntilplacedbackinservice. breakerbox.  Openallhotwaterfaucets.Runthewateruntilitis COLD;thenshutoffthefaucet.
  • Page 21 CARING FOR YOUR WATER HEATER CAUTION: Evenwhendrainedproperly,a smallamountofwaterwillremaininthewaterheater. Incoldweatherconditions,thiswatercanfreeze. Ifthishappens,allowthedefrostprotectiononthe waterheateratleast30minutestomeltthefrozen water.Thewaterheaterwillnotworkproperlyuntil thiswateristhawed. Toputthewaterheaterbackinservice:  Openallhotwaterfaucetsandletrununtilallair has been purged from the lines.  Disconnectdrainhose.Makesurethedrainvalveis closed.  Pluginthepowercordorreconnectthepower supply at the circuit breaker box.  Reinstallthewaterfilterinthebaseofthecold waterinletline.  Openthegasshut-offvalve(s).  Openthewatershut-offvalve.  PressthePOWERON/OFFbuttononthecontrol panel to restart the unit.

  • Page 22: Freeze Protection

    CARING FOR YOUR WATER HEATER DrainingtheWaterHeater(cont.) StandardDrainMethod Serviceisolatorvalvekitsmaybepurchasedfromthe manufacturer,distributor,orplaceofpurchase.The Hot Water kitsincludetwofull-portisolationvalvestobeused Service Valve Cold Water intheinletandoutletwaterlines.Thesekitsprovide Service Valve a meansforfulldiagnostictestingandeaseofsystem Pressure Pressure Water Water flushing. Relief Valve Relief Valve Inlet Inlet Water Water Outlet Outlet Drain Drain FreezeProtection WARNING: RunningWaterFreezeProtection Failuretodrainthewater heatercancauseseriouspersonalinjuryfromscalding...

  • Page 23: Vacation And Extended Shutdown

    CARING FOR YOUR WATER HEATER VacationandExtendedShutdown WARNING: Thewaterheaterandpipingshouldbedrainedifthey Failuretodrainthewater might be subjected to freezing temperatures. See heatercancauseseriouspersonalinjuryfromscalding “Freeze Protection”sectiononpage22. and/orproductdamage. After an extended shutdown, the water heater’s Ifthewaterheateristoremainidleforanextended operationandcontrolsshouldbecheckedbya periodoftime,thepowerandwatertotheheater qualified service technician. shouldbeturnedoff. TroubleshootingChart WARNING: The informationinthefollowingtroubleshootingchart ForYourSafety,DONOT mayhelpyoudiagnoseand/orfixaproblemyoumaybe attemptrepairofelectricalwiring,gaspiping experiencing.Pleasereviewthischartbeforecalling remotecontrol,burners,ventconnectors,orother...
  • Page 24 CARING FOR YOUR WATER HEATER TroubleshootingChart(cont.) Problem PossibleCause Solution 1. 1. Waternothotenough. Thetemperaturemaybesettoolow. Increasethetemperaturesettingat theremotecontrol. 2. 2. Thegasvalveisnotcompletelyopened. Checkandcompletelyopenthegasvalve. 3. 3. Gassupplypressureislow. Contactyourgasutilitycompanyorgas contractortoverifythegasmeterand gaspipingsize. 4. 4. Bleed-overinoneofthehotwater Contactadealeroraqualifiedservice fixtures. technician. 1. 1. Watertoohot. Temperatureissettoohigh. Decreasethetemperaturesettingat theremotecontrol. 2. 2. Watershut-offvalveisnotcompletely Checkandcompletelyopenthewater opened.

  • Page 25: Service Error Code Chart

    CARING FOR YOUR WATER HEATER ServiceErrorCodeChart Yourwaterheaterhasanelectronicdiagnosticsystem builtintoit.Whenthewaterheaterfindsaproblem,it displaysanerrorcodeintheLEDdisplayontheremote control.Thefollowingchartliststheerrorcodesalong withtheirpossibleproblemandsolution.Usingthis chartmayhelpyoudiagnoseand/orfixaproblemyou maybeexperiencing.Pleaserefertothischartbefore callingforserviceassistance. DANGER: ShockHazard–Makecertain Waitabout5minutes;thenrestartthewaterheater powertothewaterheaterisOFFbeforeremoving bypressingthePOWERON/OFFbutton. protectivecoverforanyreason.Electricshockwill causedeathorseriouspersonalinjury. WARNING: ForYourSafety,DONOT attemptrepairofelectricalwiring,gaspiping, remotecontrol,burners,ventconnectors,orother safetydevices.Referrepairstoaqualifiedservice technician. Whenanerrorcodeisdisplayed: Turnonahotwaterfaucetandrechecktheremote controldisplay. Iftheerrorcoderemainsinthedisplay: Turnoffthehotwaterfaucet. Turnoffthewaterheater. Followtheerrorcodechartinformation. Restartthewaterheater,turnonahotwater faucet,andrechecktheremotecontroldisplay. Turnoffallthehotwaterfaucets. Iftheerrorcodeisstillshown: Turnoffthehotwaterfaucet. Turnoffthewaterheater. Makenoteofthedisplayederrorcodeandcall forserviceassistance.See“Call for Assistance” sectiononpage26.

  • Page 26: IfYouNeedService

    CARING FOR YOUR WATER HEATER ServiceErrorCodeChart(cont.) ErrorCode PossibleCause Solution Waterheaterhasbuildupoflimedeposits. Contactadealerorqualifiedservicetechni- cian. Airintakeorventexhaustopeningmaybe Removeanyblockage.(Airintakerequires12 blocked. in.[30cm]ofclearance.) Theventpipesontheventterminationmay Contactadealerorqualifiedservicetechni- notbeconnectedproperly. cian. Thegasshut-offvalveisnotfullyopened. Checkshut-offvalveandopencompletely. Gasservicehasbeeninterrupted. Contactyourgasutilitycompany. LPgasisrunninglow(LPmodelsonly). RefillorreplaceyourLPgascontainer. Ifthiscodeisstilldisplayedaftertakingthe Contactadealerorqualifiedservicetechni- numberedstepsabove. cian. Waterheaterisoverheating. Contactadealerorqualifiedservicetechni- cian. Theheatexchangeristoohot. Checkforblockageinthevent.Contacta dealerorqualifiedservicetechnician. Neutralizerisclogged. Contactadealerorqualifiedservicetechni- cian. Faultyinletthermistor. Contactadealerorqualifiedservicetechni- cian.

  • Page 27: InstallationInstructions

    INSTALLATION INSTRUCTIONS FOR THE CONTRACTOR...

  • Page 28: Standards Compliance

    INSTALLATION INSTRUCTIONS StandardsCompliance Thiswaterheatermustbeinstalledinaccordancewith InCanada,usethelatesteditionoftheCAN/CSA theseinstructions,localcodes,andutilitycompany B149.1NaturalGasandPropaneInstallationCodeand requirements. theCanadianElectricalCode,CAN/CSAC22.1,Part1. IntheUnitedStateswherelocalcodesarenot Acopycanbepurchasedfrom;CanadianStandards available,usethelatesteditionoftheAmerican Association,5060SpectrumWay,Mississauga,ON NationalStandard/NationalFuelGasCode.Acopyof L4W5N6 theFuelGasCodecanbepurchasedfromeitherthe AmericanGasAssociation,400NorthCapitolStreet Northwest,Washington,DC20001,asANSIstandard Z223.1,orNationalFireProtectionAssociation,1 BatterymarchPark,MA02269asNFPA54. ChoosingaLocation WARNING: NOTICE:  F ireHazard– Thiswaterheatershouldnotbelocated inanareawhereleakageoftheheatexchangeror Combustibleconstructionreferstoadjacentwallsand connectionswillresultindamagetotheareaadjacent ceilingsandshouldnotbeconfusedwithcombustible toitortolowerfloorsofthestructures.Whensuch orflammableproductsandmaterials.Combustible areascannotbeavoided,installasuitablecatchpan materials,suchasclothing,cleaningmaterials,or withanadequatedrainunderthewaterheater. flammableliquids,mustnotbeplacedagainstor nexttothewaterheater.Fireorexplosioncould Thefollowingrequirementswillensureasafe occurcausingdeath,personalinjury,and/orproduct installation: damage.
  • Page 29 INSTALLATION INSTRUCTIONS ChoosingaLocation(cont.) 0" min. 12" min. (0 mm) (300 mm) Sealed 0" (0 mm) 12" min. 1/2" min. (300 mm) (13 mm) • E veryventorairintakepipepenetrationofaflooror ceilingshouldbesealed. • F ailuretoinstallandproperlyventthewaterheater 12" min. (300 mm) totheoutdoorsasoutlinedonpages34through46 canresultinunsafeoperation. • M inimumwaterheaterclearancesfromcombustible andnoncombustibleconstructionareasfollows: –1/2in.(1.3cm)forsides –0in.(0cm)forrearwithsupportbracket(s) –12in.(30cm)fromthebottom,top,andfront...

  • Page 30: Product Inspection

    INSTALLATION INSTRUCTIONS ProductInspection • V isuallyinspectthewaterheaterforanypossible • V erifythatallincludedsuppliedpartsarepresentas damage. shown. • C hecktheratingplateonthewaterheatertomake surethewaterheaterwasdesignedtobeusedwith thesuppliedtypeofgas(naturalorLP). WaterHeaterInstallation CorrosiveAtmosphere Theairsupplycontaininghalogenatedhydrocarbonsis safetobreathe,butwhenpassedthroughagasflame, NOTICE: corrosiveelementsarereleasedthatwillshortenthe Thewaterheatershouldnotbe lifeofanygas-burningappliance. installednearanairsupplycontaininghalogenated Propellantsfromcommonspraycansorgasleaksfrom hydrocarbons. A/Candrefrigerationequipmentarehighlycorrosive Avoidinstallingawaterheaterinanyofthefollowing afterpassingthroughaflame. locations:beautyshops,dry-cleaningestablishments, Thewaterheaterwarrantyisvoidwhenthefailureis photoprocessinglabs,andstorageareasforliquid duetooperationincorrosiveconditions. andpowderedbleachesorswimmingpoolchemicals. Theselocationsoftencontainsuchhalogenated hydrocarbons.
  • Page 31 INSTALLATION INSTRUCTIONS WaterHeaterInstallation(cont.) NOTICE: TheNationalFuelGasCode(NFGC)andCAN/CSAB149.1mandateamanualgasshut-offvalve. SeeNFGC/B149.1forcompleteinstructions.Localcodesorplumbingauthorityrequirementsmayvaryfromthe instructionsordiagramsprovidedandtakeprecedenceovertheseinstructions. TypicalInstallationofDirect-VentWaterHeater Downward Slope to Wall outside termination Plate (Recommended) 90˚ Elbow Air Intake Pipe Exhaust Vent Pipe Downward Slope to outside termination Outside Wall Water Filter Power Supply Manual Gas Cord Supply Line Shut-O Valve Service Service...
  • Page 32 INSTALLATION INSTRUCTIONS WaterHeaterInstallation(cont.) WARNING: TypicalInstallationof DONOTinstallthiswaterheater OutdoorWaterHeater indoorsorinaconfinedspace.Itisdesignedforoutdoor installationonly.Anyothertypeofinstallationcanresult (NoVentingRequired) indeath,personalinjury,and/ordamagetotheproductor property. ThiswaterheaterisforOUTDOOR installationonly. Flue Terminal Hard-Wire Water (not supplied) Filter Service Service Valve Valve To Hot Water Manual Gas Manual Gas Faucet(s) Relief Shut-O Valve Supply Line Relief Valve (Supplied) Shut-O Valve Union...
  • Page 33 INSTALLATION INSTRUCTIONS MountingtheWaterHeater CAUTION: Reinforcementofthewallis requiredincasethewallisnotstrongenoughto holdthewaterheater.Failuretodosocouldresultin personalinjuryand/orproductdamage. Themountinglocationforthewaterheatershould allowforeasyaccessandoperation.  Positiontheuppermountingbracketandpartially installthecentermountingscrew.Theclearance betweenthescrewheadandthewallshouldbe about1/8in.(0.3cm).Hangtheupperbracketon thescrew. NOTICE:  Theimageabovemaydiffer inappearancefromyourwaterheater. Thewaterheaterisdesignedtobeinstalledeither insidethewallcavitybetweenthewallstudsor outsidethewallcavity.Eitherinstallationrequiresthe  waterheatertobesupportedwithawoodensupport bracebetweenthewallstuds,orapieceofwood thatisequalinsizetothewaterheaterandsecurely attachedtothewallstudsbeforethewaterheateris attachedtoit.Thispieceofwoodcanbeinstalled insideoroutsideofthewall.Usewoodscrewsto securebracketstowall.Ifmountingtoaconcrete wall,uselagboltsdesignedforconcrete.  Usingtwomountingscrewsandwashers,securethe lowermountingbrackettothewall.Then,secure theuppermountingbrackettothewallwithtwo mountingscrewsandwashers.  Makesuretheproperelectricaloutletorsupply (120VAC/60Hz)isavailableandlocatednearthe unit.Direct-ventmodelscomewitha6-ft.(1.8-m) powercord,whiletheoutdoormodelsrequirehard- wiringortheadditionofaplug.

  • Page 34: Venting

    INSTALLATION INSTRUCTIONS VentingforDirect-VentWaterHeater DANGER: Acceptablematerialsorequivalent: Failuretoproperlyventthewater PVC(Schedule40,ASTMD-1785) heatertotheoutdoorsasoutlinedinthisVenting CPVC(Schedule40,ASTMF-441) sectionwillresultindeathorseriouspersonalinjury. ABS(Schedule40,ASTMD-2661) Toavoidtheriskoffire,explosion,orasphyxiation (notpermittedforexhaustventinCanada) fromcarbonmonoxide,NEVERoperatethewater heaterunlessitisproperlyventedandhasadequate Thefittings,otherthantheVENTTERMINAL, shouldbeequivalenttothefollowing: airsupplyforproperoperationasoutlinedinthis Ventingsection.Thiswaterheatermusthaveair PVC(Schedule40DWV,ASTMD-2665) supplyconnectedandterminatedtotheoutdoors. CPVC(Schedule40DWV,ASTMF-438) ABS(Schedule40DWV,ASTMD-2661) WARNING: (NotpermittedinCanada) CategoryIIIStainlessSteel(Propertransitionpart Refertopage29forrequiredclearancesto required) combustiblematerials.Improperclearancescancause explosionorfireresultingindeath,personalinjury, DONOTUSESchedule20,CellCore,DrainPipe, and/orproductdamage. Galvanized,Aluminum,orB-Vent. RecommendedVentLengths CAUTIONS: Beforestartingtheventinstallation,carefulplanning • C hecktomakesurefluegasesdonotrecirculateinto shouldbegiventotheroutingandterminationofthe theairintaketerminalwhenusingdirectventing.Ifthe ventpipes.Thelengthoftheventpipes(inletand waterheaterishavingserviceissues,fluerecirculation...
  • Page 35 INSTALLATION INSTRUCTIONS NOTICE: ofanycomponentsinthesystem.Ifanyofthese Touse2-inchventpipe,areducing conditionsarefound,theymustbecorrectedin adapterorbushingwillberequired. accordancewiththeventinginstructionsinthismanual WARNING: beforecompletingtheinstallationandputtingthewater heaterintoservice. TouseCategoryIIIStainlessSteel,apropertransition partwillberequiredtopreventfluegasfromleaking. NOTICES: Dependingonthesizeofpipethatischosenfor ventingthewaterheater,itmightbenecessarytouse • I tisrecommendedthattheairintakeandexhaust afittingforsteppingdowninpipesize,toconnectto pipeshavea1/4"perfootdownwardslopetoward thewaterheater. theoutdoors. • M aintaintheproperclearancebetweentheventpipe Allintakeandexhaustventingcomponentsmusthave andcombustibleornoncombustiblematerialsare thesamediametersize.Donotuseadifferentsizeon describedonpages28,29. theintakeandexhaustventing. • A zeroclearance0in.(0cm)isallowedbetweenthe Theunitmaybeventedhorizontallythrougha airintakepipesandcombustiblematerial. wallorverticallythroughtheroof.Piperunsmust beadequatelysupportedalongbothverticaland • U sepropersupportfortheventandairintakepipes. horizontalruns.Maximumunsupportedspanis • I tisrecommendedthesupportmethodusedisolates recommendedtobenomorethan4feet(1.2m).It...
  • Page 36 INSTALLATION INSTRUCTIONS VentingforDirect-VentWaterHeater(cont.) IntheCommonwealthof vented,gas-fueledheatingapplianceorequipment.The signshallread,inprintsizenolessthanone-half(1/2)inch Massachusetts insize,“GASVENTDIRECTLYBELOW.KEEPCLEAROFALL OBSTRUCTIONS.” TheCommonwealthofMassachusettsrequirescompliance 4.INSPECTION.Thestateorlocalgasinspectorofthe withregulation248CMR4.00and5.00forinstallationof side-wall,horizontallyvented,gas-fueledequipmentshall through-the-wallventedgasappliancesasfollows: notapprovetheinstallationunless,uponinspection,the 5.08:ModificationstoNFPA–54,Chapter10 inspectorobservescarbonmonoxidedetectorsandsignage (1)ReviseNFPA–54section10.5.4.2byaddingasecond installedinaccordancewiththeprovisionsof248CMR5.08 exceptionasfollows: (2)(a)(1through4). Existingchimneysshallbepermittedtohavetheiruse (b)EXEMPTIONS:Thefollowingequipmentisexemptfrom continuedwhenagasconversionburnerisinstalled,and 248CMR5.08(2)(a)(1through4): shallbeequippedwithamanualresetdevicethatwill 1.TheequipmentlistedinChapter10entitled“Equipment automaticallyshutoffthegastotheburnerintheeventofa NotRequiredToBeVented”inthemostcurrenteditionof sustainedback-draft. NFPA54asadoptedbytheBoard,and (2)Revise10.8.3byaddingthefollowingadditional requirements: 2.Product-approvedside-wall,horizontallyvented,gas- fueledequipmentinstalledinaroomorstructureseparate (a)Forallside-wall,horizontallyvented,gas-fueled fromthedwelling,building,orstructureusedinwholeorin equipmentinstalledineverydwelling,building,orstructure partforresidentialpurposes. usedinwholeorpartforresidentialpurposes,including thoseownedoroperatedbytheCommonwealthandwhere (c)MANUFACTURERREQUIREMENTS–GASEQUIPMENT theside-wallexhaustventterminationislessthanseven...
  • Page 37 INSTALLATION INSTRUCTIONS HorizontalVentTerminalLocation Outside Walls Fixed Closed Fixed Operable Closed Operable Vent Terminal Air Supply Inlet Area Where Terminal is Not Permitted Interior Wall...
  • Page 38 INSTALLATION INSTRUCTIONS VentingforDirect-VentWaterHeater(cont.) The followingchartdetailstheminimaldimensionalinformationneededtodeterminetheproperlocationofthevent terminalfordirectventandoutdoortanklesswaterheaters.Seecorrespondingletterreferenceintheillustrationat left. U.S.Installation CanadianInstallation Location Requirements Requirements A=Clearanceabovegrade,veranda, 12in.(30cm) 12in.(30cm) porch,deck,orbalcony. • • B=Clearancetowindowordoorthatmay 6 in.(15cm)forwaterheaterslessthanor 6 in.(15cm)forwaterheaterslessthanor beopened. equalto10,000Btuh(3kW). equalto10,000Btuh(3kW). • • 9 in.(23cm)forwaterheatersgreaterthan 1 2in.(30cm)forwaterheatersgreaterthan 10,000Btuh(3kW)andlessthanorequalto 10,000Btuh(3kW)andlessthanorequalto 50,000Btuh(15kW). 100,000Btuh(30kW). • • 1 2in.(30cm)forwaterheatersgreaterthan 3 6in.(91cm)forwaterheatersgreaterthan...
  • Page 39 –  Donotterminateventdirectlyonbrickormasonry – Allpaintedsurfacesshouldbeprimedtolessenthe surfaces.Userust-resistant,sheet-metalbacking chance ofphysicaldamage.Paintedsurfaceswill plateof1sq.ft.(30sq.cm)behindthevent. requiremaintenance. – Caulkallcracks,seams,andjointswithin – Guardagainstaccidentalcontactwithpeopleand 6ft.(1.8m)oftheventterminal. pets. –  Caulkaroundwallfaceplateforweather-tightseal. INDOORTANKLESSWATERHEATERS –  Donotextendexposedventpipeofindoorwater heatersoutsideofthebuilding. WARNING: – Formultiple-unitinstallations,  Thiswaterheaterrequiresitsownseparateventing system.Donotconnecttheexhaustventtoan aminimumdistancebetweenventterminationsmust existingventpipeorchimney. bemaintainedtopreventrecirculationofventgases. Maintainacenter-to-centerdistancebetweeneach –   O bserveminimumclearances.Ventterminalsmust pairofventterminationsaslistedbelow: beaminimumof5.5inches(14cm)andamaximum...
  • Page 40 Cleaner-PrimerandMedium-BodySolvent Cement WARNING: Dangeroffireorbodilyinjury Alljointsinventpipingmustbeproperlysealed,and –Solventcementsandprimersarehighlyflammable. werecommendusingthefollowingmaterial: Provideadequateventilationanddonotassemblenear PVCmaterialsshoulduseASTMD-2564-gradecement. heatsourceoropenflame.Donotsmoke.Avoidskin CPVCmaterialsshoulduseASTMF-493-gradecement. oreyecontact.Observeallcautionsandwarningson ABSmaterialsshoulduseASTMD-2235-gradecement materialcontainers. (ABSisnotallowedforexhaustventinCanada). CAUTION: CementingJoints Usetanklesswaterheater manufacturer-approvedSchedule40PVC(foamcore 1. C utpipeendsquare;removejaggededgesand isnotpermittedatanytime),Schedule80PVC,CPVC, burrs.Chamferendofpipe;thencleanfitting ABSorUL1738-listedCategoryIIIStainlessSteel. socketandpipejointareaofalldirt,grease,or Nootherventmaterialispermitted.ForCanada, moisture. installationsmustfollowULCS636forexhaustventing. 2.  A ftercheckingpipeandsocketforproperfit,wipe Joining PipesandFittings socketandpipewithcleaner-primer.Applyaliberal coatofprimertoinsidesurfaceofsocketand Allpipe,fittings,solventcement,primers,and outsideofpipe. procedures,fortheU.S.,mustconformtoAmerican 3. A pplyathincoatofcementevenlyinthesocket....
  • Page 41 INSTALLATION INSTRUCTIONS HorizontalVentInstallation(cont.) Fastenerswillvarydependingonthewalltype.  F orparticleboardor compositesheathing,use 4hollowwallanchors.The anchorsshouldbeatleast 1/8in.(0.3cm)indiameter andtheappropriatelengthfor thesheathingthickness.  F orplywoodorsolidwood sheathingormembers,use4 Applysiliconesealantorsilicone/latexcaulkto #10x11/4-in.woodscrews. sealtheventpipetotheventcaptopermitfield disassemblyforannualinspectionandcleaning. Completelysealwhereitpassesthroughthewall  F ormasonrywalls,use plateandwhereitisattachedtothestructure. suitablemasonryanchors longenoughtopassthrough thewall. NOTICES: • T heexhaustventterminalmustextendaminimumof 12inches(30.5cm)morethantheairintaketerminal fromtheexteriorwall. • T opreventpossibilityofcondensatefreeze-up,do notinstallventkitsoneabovetheother. Oncetheventterminallocationhasbeendetermined, Attachthefemaleendofthenextventpipesection makeholesthroughtheexteriorwalltoaccommodate tothemaleendofthe2-in./3-in.(5.1-cm/7.6-cm)...
  • Page 42 INSTALLATION INSTRUCTIONS Forinformationaboutterminationkits,referto"IfYouNeedService"onpage26,"CallforAssistance"for thetelephonenumbertospeaktoCustomerServiceRepresentative. VentingforDirect-VentWaterHeater(cont.) AlternativeHorizontalVentInstallations Alternativehorizontalventterminationkitsarecommerciallyavailable.Pleaserefertotheinstructionsheet packagedwiththekitforcompleteinstallationinstructions. Downward Slope towards termination Exhaust Vent Pipe Air Intake Pipe 1" ConcentricVent from wall TerminationKit is recommended Inspection Ceiling Inspection Access Panel Access Panel (Optional) (Optional) Exhaust Vent Downward Slope towards termination Exhaust Vent Pipe Air Intake Pipe FlatHorizontal...

  • Page 43: Vertical Vent Installation

    INSTALLATION INSTRUCTIONS Vertical Vent Installation NOTICE: Free-standingventpipethatpenetrates aroof/ceilingrequiresanothermeansofsupportfrom WARNING: Improperventinstallationcan asecondlocation. resultindeath,personalinjury,productdamage,and/  Determinetheventterminalheightandinstall orpoorperformance. theventpipeaccordingly.Referto“Vertical Vent Terminal Location”onpage44forclearance NOTICES: requirements. • O nlyRheem-approvedANDULCS636approved terminationandpartsmustbeusedduring installation. A, B • M aintaintherecommendedairspaceclearance tocombustiblematerialsandbuildinginsulation. Hole Through Roof Hole Through Ceiling  Installadequateflashingwheretheventpipe passesthroughtheroof.
  • Page 44 INSTALLATION INSTRUCTIONS VentingforDirect-VentWaterHeater(cont.) Vertical Vent Terminal Location Optional 12" Min. (300 mm) Vent Pipe Through Roof A, B The followingchartwithdiagramsdetailstheminimumdimensionalinformationneededtodeterminetheproper locationoftheverticalventterminalfordirect-ventindoortanklesswaterheaters: U.S.Installation CanadianInstallation Location Requirements Requirements A=Minimumclearanceabovetheroof 12in.(30.5cm)aboverooflevel. 18in.(45.7cm)aboverooflevel. level. B=Maximumclearanceaboveroof level(withoutadditionalsupportfor 24in.(61cm)aboverooflevel. 24in.(61cm)aboverooflevel. ventpipe). C=Requiredventclearancefromany gable,dormer,orotherroofstruc- 4ft.(1.2m) 4ft.(1.2m) turewithbuildinginterioraccess (i.e.,vent,window).
  • Page 45 INSTALLATION INSTRUCTIONS StandardVerticalVentTermination Optional Adjustable Roof Flashing Support Clamp Upward Slope Air Intake Exhaust Vent Support Hanger Pipe Pipe Condensate Drain To Suitable Drain...

  • Page 46: Venting

    INSTALLATION INSTRUCTIONS VentingforDirect-VentWaterHeater(cont.) AlternativeVerticalVentTermination Alternativeverticalventterminationkitsarecommerciallyavailable.Pleaserefertotheinstructionsheetpackaged withthekitforcompleteinstallationinstructions. Minimum Clearance 18 inches above roof Adjustable Roof Flashing Support Clamp Upward Slope Air Intake Exhaust Vent Support Hanger Pipe Pipe Condensate Drain To Suitable Drain...

  • Page 47: Water Supply

    INSTALLATION INSTRUCTIONS WaterSupply CAUTION: Athermalexpansiontankwillberequiredifthewater ThiswaterheaterMUSTONLY heaterisinstalledinarecirculationsystem.This beusedwiththefollowingwatersupplyconditionsto preventsdamagetotheheater,relatedpiping,andthe preventproductdamageandoperationfailure. reliefvalve. • C lean,potablewaterfreeofcorrosivechemicals, NOTICE: sand,dirt,orothercontaminates. Replacingthereliefvalvewillnot • I nletwatertemperaturesabove32°F(0°C),butnot correcttheproblem! exceeding120°F(49°C). Theexpansiontankisdesignedwithabuilt-inair • D ONOTreversetheHOTandCOLDwaterconnections. cushionthatcompressesasthesystempressure • D ONOTconnectthiswaterheatertowaterlines increases.Thisrelievestheover-pressurecondition previouslyusedforspaceheating.Allwaterpiping andeliminatestherepeatoperationofthereliefvalve. andcomponentsshallbesuitableforpotablewater. Forotherapprovedmethodsofthermalexpansion, • W ithrecommendedwaterquality(seechart). contactaninstallingcontractor,watersupplier,or plumbinginspector. Thermal Expansion ChartforRecommendedWaterQualityLevels TDS(Total...
  • Page 48 INSTALLATION INSTRUCTIONS WaterSupply Water Supply Connections (cont.) Toensureproperoperationofthewaterheater,follow • T osupplyHOTwatertoupperfloors,additionalwater thesewaterpressureguidelines. pressurewillberequired(0.44psi[3kPa] perfootofheight).Calculatethedistancebetween • O perationofthewaterheaterrequiresaminimum thewaterinletofthewaterheater(groundlevel)to waterpressureof14psi(97kPa)andaminimum theHOTwaterfaucetfarthestawayfromthewater waterflowrateof0.4gpm(1.5lpm). heater(upperfloorlevel). • W aterpressureof40psi(276kPa)isrequiredto • W ellwatersystemsshouldbesettoensurea achievemaximumflowrate. minimumsystempressureof40psi(276kPa).The • T omaintainproperperformance,theremustbe pressureshouldremainconstantandstableduring sufficientwatersupplypressure. theoperationofthewaterheater. RequiredWaterPressure= • G ravitywaterpressureisnotrecommended.When Min.OperatingWaterPressure thewaterissuppliedfromawatersupplytank,the (14psi[97kPa])...
  • Page 49 Usethefollowingguidelineswhenconnecting theHOTWATEROUTLET: • C onnectionsbetweenthewaterheaterandpoint(s) ofuseshouldbeasshortaspossible. • L ocalcodesshallgovernthepipingusedforwater connections. • T oconserveenergyandtopreventfreezing,insulate bothCOLDandHOTwatersupplylines.Donot insulatedrainlineorpressure-reliefvalve. Water Piping Arrangement With Service Valve Kit Servicevalvekitsareavailableonalltanklesswater heatersystems.Allkitsincludetwofull-portisolation valvestobeusedintheCOLDandHOTwaterlines. Hot Water Hot Water Service Valve Service Valve Wheninstalled,thesevalvesallowonepersonfull Cold Water Cold Water diagnostictestingandeaseofflushingthesystem....

  • Page 50: Relief Valve

    INSTALLATION INSTRUCTIONS WaterSupply(cont.) Relief Valve Forsafeoperationofthewaterheater,besurethat: • T hepressureratingofthereliefvalvemustnot Anewpressure-reliefvalve,complyingwiththe exceed150psi(1,034kPa)orthemaximumworking StandardforReliefValvesandAutomaticGasShut-Off pressureofthewaterheater.(Seetheratingplateon DevicesforHotWaterSupplySystems,ANSIZ21.22/ thewaterheater.) CSA4.4,mustbeinstalledattheHOTwateroutlet • T heBTUHratingofthereliefvalvemustequalor connectionofthewaterheaterduringinstallation. exceedtheBTUHinputofthewaterheater.(Seethe Localcodesshallgoverntheinstallationofany ratingplateonthewaterheater.) reliefvalvesorplaceofpurchaseforavailabilityand installationinformation. • N ovalveofanytypeshouldbeinstalledbetweenthe reliefvalveandthewaterheater. NOTICES: • D ischargefromthereliefvalveshouldbepipedto • T hefollowingdrawingillustratesapressure-only asuitabledrain.Pipingusedshouldbeofatype reliefvalve.Iflocalcodesrequireacombination approvedforthedistributionofhotwater. temperatureandpressure-reliefvalve,youmayneed • H OTandCOLDwaterlinesshouldbeinsulatedupto toinstallanextensionpiecetoensurethatthevalve thewaterheater.Seepage51.

  • Page 51: Condensate

    INSTALLATION INSTRUCTIONS Hot and Cold Pipe Insulation Installation WARNINGS: Forincreasedenergyefficiency,usepipeinsulationas showninthediagram.Insulatethepipesalltheway • W henpipeinsulationisnotratedfortheappropriate tothetop.DONOTcoveranydrainorpressure-relief weatherconditions,installelectricheattracingor valve(s). equivalenttopreventfreezingofthepipes. • D onotinsulateorblockdrainvalveonthehotoutlet fitting. • I fpipesareallowedtofreeze,thewaterheaterand Hot Water Service Valve thepipesmaymalfunctionorleakduetofreezing Cold Water water. Service Valve Pressure Pressure Water Water NOTICE: Relief Valve Relief Valve Inlet...

  • Page 52: Gas Supply

    INSTALLATION INSTRUCTIONS Gas Supply Gas Supply Connections • I fflexibleconnectorsareused,theminimuminside diametermustbe3/4"orgreaterandtherated WARNING: capacityoftheconnectormustbeequaltoor Donotattempttoconvert greaterthantheBTUcapacityofthewaterheater. thiswaterheaterforusewithadifferenttypeofgas Seemanufacturerinformationforthegasconnector. otherthanthetypeshownontheratingplate.Doing Lengthsover36inchesarenotrecommended. socouldresultindeath,personalinjury,explosionor • D onotuseexcessiveforce(over31.5ft.lbs. fire,productdamage,and/orpooroperatingconditions [42,7Nm])whentighteningthepipesections. orperformance. Excessiveforcecandamagethewaterheater, NOTICES: especiallywhenTeflonpipecompoundisused. • G aspipingshallbeinaccordancewithlocalutility companyrequirementsand/orintheabsenceoflocal Manual Gas codes,usethelatesteditionofNationalFuelGas Shut-Off Valve Code(NFGC),ANSIZ223.1.InCanada,usethelatest Manual Gas editionofCAN/CSAB149.1,NationalGasandPropane Supply Line Shut-Off Valve...

  • Page 53: Gas Piping

    INSTALLATION INSTRUCTIONS Gas Piping 2.Usethetableforyourgastypetofindthepipesize requiredforyourcubicfeetperhourofgasand Pipe-SizingProcedure–Example yourpipelength. Thegassupplymustbecapableofhandlingtheentire Example:Theheatingvalueofpropanegasfor gasloadatthelocation.Gaslinesizingisbasedon yourlocationis2500BTU/FT .Thegasinputofthe gastype,thepressuredropinthesystem,thegas tanklesswaterheateris199,900BTU/HR.Additional pressuresupplied,andgaslinetype.Forgaspipe appliancesatthelocationrequire75,000BTU/HR. sizingintheUnitedStates,refertotheNationalFuel Therefore,thecubicfeetperhour= GasCode,NFPA54.ForCanadiangaspipesizing, (199,900+75,000)/2500=109FT /HR.Ifthe refertotheNaturalGasandPropaneInstallationCode pipelengthis100ft.,thenthe3/4-inchpipesize CAN/CSAB149.1.Theinformationbelowisprovidedas capableofsupplying197FT /HRofpropanegaswill anexample.Theappropriatetablefromtheapplicable beadequate. codemustbeused. 1.Determinethecubicfeetperhourofgasrequired bydividingthegasinput(ontheratingplate)bythe heatingvalueofthegas(availablefromthelocal gascompany).Thegasinputneedstoincludeall gasproductsatthelocationandthemaximumBTU usageatfullloadwhenallgasproductsareinuse. GasInputof CubicFeetWaterHeater(BTU/HR) PerHour(CFH)=HeatingValueofGas(BTU/FT Pipe-SizingTable–NaturalGas Pipe-SizingTable–PropaneGas...

  • Page 54: Gas Supply Installation

    INSTALLATION INSTRUCTIONS Gas Supply (cont.) Gas Supply Installation  Usingtheproper-sizepiping,fittings,and components,buildthegassupplylinetothewater heater.  Installthemanualgasapplianceshut-offvalveto NOTICE: thegasconnectionatthewaterheater.Theshut- Thegassupplylineshouldbea offissuppliedwiththewaterheater. minimumof3/4-in.(1.9-cm)blacksteelpipeor otherapprovedgaspipingmaterial.  InstallagroundjointunionorANSIdesign-certified semi-rigidorflexiblegasapplianceconnectorto  Installasedimenttrapatthelowestportionofthe theopenendofthemanualgasapplianceshut-off gasline. valve.The(NFGC)ANSIZ223.1andCAN/CSAB149.1 TheinletgaspressuretothewaterheatermustNOT codesmandatetheuseofmanualgasshut-off exceed10.5in.w.c.(2.6kPa)fornaturalgasand valve. 14in.w.c.(3.5kPa)forLPgas.Forpurposesofinput adjustment,theminimuminletgaspressure(withmain burneron)isshownonthewaterheaterratingplate. Ifhighorlowgaspressuresarepresent,contactyour gassupplierforcorrection.  Installamanualgassupplylineshut-offvalve totheendofthegassupplyline. NOTICE: Lever-typegasshut-offsshouldall beT-handletype.
  • Page 55 INSTALLATION INSTRUCTIONS Leak Testing WARNING: Neveruseanopenflameto testforgasleaks,becausedeath,personalinjury, and/orpropertydamagecanresult. ThewaterheateranditsgasconnectionsMUSTbe leak-testedatnormaloperatingpressuresbeforethe unitisplacedinoperation.Thesetestsshouldalso includeallfactoryconnections. Turnonthegasshut-offvalve(s)tothewaterheater. Useasoapywatersolutiontotestforleaksatall theconnectionsandfittings.Ifbubblesareseen,it indicatesagasleakthatmustbecorrected. Contactaqualifiedservicetechnician. Pressure Testing the Gas Supply Thewaterheateranditsmanualgasshut-offvalve mustbedisconnectedfromthegassupplypiping System systemwheneverthepressuretestingwillexceed 1/2psi(14in.w.c.[3.5kPa]). CAUTION: Installagaspressureregulator inthegassupplyline.Thisregulatorshouldnot exceedthemaximumsupplypressure.DONOTusean industrial-typegasregulator. Thewaterheatermustbeisolatedfromthegaspiping systemwheneverthepressuretestingwillbelessthan and/orupto1/2psi(14in.w.c.[3.5kPa]).Closingthe manualgasshut-offvalvewillisolatethewaterheater fromthegaspipingsystem.

  • Page 56: Electrical Wiring

    INSTALLATION INSTRUCTIONS Gas Supply (cont.) High-Altitude Installation NOTICES: Thewaterheateriscertifiedforinstallationsupto • F orinstallationsabove3,280ft.(1,000m)elevation, 3,280ft.(1,000m)abovesealevel.Theinputratingof contactaqualifiedservicetechniciantomakethe thiswaterheaterisbasedonsealeveloperation.At properaltitudeadjustments.Seepages68and69for higherelevations,theactualinputratemaybelower additionalinformation. thanthevaluelistedontheratinglabel. CAUTION: Donotinstallthiswaterheater atelevationsabove3,280ft.(1,000m)withoutthe properadjustments.Pleasecontactyourinstaller, localgassupplier,placeofpurchase,ortheRheem CustomerServicephonenumberlistedonpage26in the“Call for Assistance”section. Electrical Wiring DANGER: • A lldirect-ventgasmodelscomewithathree-prong ShockHazard–Beforeservicing powercord.Onlyusethispowercordandamatching thewaterheater,turnofftheelectricalpowertothe groundedelectricaloutlet. waterheateratthemaindisconnectorcircuitbreaker. • A lloutdoorgasmodelsdonotcomewithapower Failuretodosowillresultindeathorseriouspersonal cord.Onlyhard-wiretoanappropriatepoweroutlet injury.
  • Page 57 INSTALLATION INSTRUCTIONS Wiring Diagram...
  • Page 58 INSTALLATION INSTRUCTIONS Electrical Wiring (cont.) Remote Control Selection and Reviewthefollowingconsiderationsbefore determiningthelocationoftheremotecontrol(s): Location WARNING: • D onotinstallanyremotecontrol Fieldwiringconnectionsand outdoorsorwhereitcancomein electricalgroundingmustcomplywithlocalcodesor, contactwithwater. intheabsenceoflocalcodes,withthelatestedition oftheNationalElectricalCode,ANSI/NFPA70,orin Canada,CanadianElectricalCode,CAN/CSAC22.1, • A voidinstallingtheremotecontrolinthe Part1. followingareasand/orconditions: NOTICES: –areaexposedtoheat. –areaexposedtosteam. • T heprovidedremotecontrolwillallowmaximum –areaexposedtooil. temperaturesettingsof120°F(49°C).Temperatures –areaexposedtodirectsunlight. upto140°F(60°C)forresidentialapplicationsandup – a reasnearstoredorused to185°F(85°C)forcommercialapplications*canbe flammableproducts.

  • Page 59: Remote Control Installation

    INSTALLATION INSTRUCTIONS Remote Control Installation WARNING: Fieldwiringconnectionsand electricalgroundingmustcomplywithlocalcodesor, intheabsenceoflocalcodes,withthelatestedition oftheNationalElectricalCode,ANSI/NFPA70,orin Canada,CanadianElectricalCode,CAN/CSAC22.1, Part1. NOTICES:  Installthebaseplatetothewallusingsuitable screwsandwallanchors. • R emotecontrolcablecanbeanyType–T18AWGwire  NOTICE: similartoathermostatwireandneednotbepolarity- Thetabsonthebaseplateshould sensitive. alwayspointout. • I tisnotrecommendedtohavewiringexposed. • D onotapplysealanttoremotecontrolcable. • D onotusenetworkcable,telephonewire,orany twisted-paircable. ConnectingtheMAIN(UMC-117)RemoteControltoa Wall:  Connecttheremotecontroltotheremotecontrol cable.  Drilla1-to11/2-in.(2.5/3.8-cm)holeatthe proposedcontrollocation.Installtheremote controlcablebetweenthelocationoftheremote...
  • Page 60 INSTALLATION INSTRUCTIONS Electrical Wiring (cont.) ConnectingtheRemoteControltotheWaterHeater:  Firmlytightentheterminalscrewsbyhand. Ensurethatthepowertothewaterheaterhasbeen disconnected. Remote Control Remote Control Connection Cover Connection Cover  Securetheremotecontrolextensioncableonthe hooklocatedonthesideoftheremotecontrol connectionbase. Loosentheonescrewlocatedontheremotecontrol connectioncover.Theconnectioncoverismadeof whiteplastic. NOTICE: DONOTREMOVEFRONTPANEL. Remotecontrolwiresareconnectedonthebottom oftheunit.  Therearenoaccessibleremotecontrolterminals insidethewaterheater.  Reinstalltheremotecontrolconnectioncoverand securewiththeonescrew.  NOTICE: Donotconnectpoweruntilventing installationiscomplete.  Connecttheremotecontrolextensioncablesfrom theremotecontroltotheremotecontrolconnection terminals.

  • Page 61: Insulation Blankets

    INSTALLATION INSTRUCTIONS Insulation Blankets Ingeneral,insulationblanketsforexternaluseon manufacturer).Theuseofunauthorizedenergy-saving gaswaterheatersarenotnecessary.Thepurposeof devicescanresultindeath,personalinjury,and/or aninsulationblanketistoreducethestandbyheat propertydamage.Themanufacturerdisclaimsany lossfromthewaterheater’sstoragetank.Sincethese responsibilityforsuchlossorinjuryresultingfromthe waterheatersdonotstorewater,theyeliminatethe useofsuchunauthorizeddevices. needfortheinsulationblanket. Themanufacturer’swarrantydoesnotcoverany damageordefectcausedbyinsulation,insulation attachment,oruseofanytypeofenergy-savingor otherunapproveddevices(unlessauthorizedbythe Installation Precautions • F ollowallinstallationinstructionscoveredinthis • C ontactthelocalgascompanytomakesurethegas manual. meterandgaspipingareadequatelysized. • C hecktheinletgaspressuretomakesureitiswithin • U seonlyTeflontapeonallmalewaterline therangespecifiedontheratingplate. connectionsandfittings. • M akesurethereisadequateairforcombustionand • D onotblockorrestrictanyairintakeopenings.

  • Page 62: Installation Checklist

    INSTALLATION INSTRUCTIONS Installation Checklist A.WaterHeaterLocation C.WaterSupply/ReliefValve Watersupplyhassufficientpressure. Indoorwaterheatersmustbeinstalledindoors. Airhasbeenpurgedfromthewaterheaterand Outdoorwaterheatersmustbeinstalled thepiping. outdoors. Waterconnectionstightandfreefromleaks. Closetoareaofventilationtermination(indoor models). Waterfilteriscleanandinplace. Protectedfromfreezingtemperatures. Allpipinghasbeenassembledasdescribedon Properclearancefromcombustiblematerial pages48and49. observed. Waterpipesareinsulatedandprotectedfrom freezing,ifnecessary. Sufficientfreshairsupplyforproperoperationof waterheater. Pressure-reliefvalveproperlyinstalledwith dischargelinerunningtoopendrain. Airsupplyfreeofcorrosiveelementsand flammablevapors. Dischargelineprotectedfromfreezing,if necessary. Provisionsmadetoprotectareafromwater damage. D.GasSupply Sufficientroomtoserviceheater. Gastypematcheslistingonratingplate. Combustiblematerials,suchasclothing, Gassupplypressureissufficientforthewater cleaningmaterials,andrags,clearoftheheater heater. andventpiping.

  • Page 63: Piping For Space Heaters

    INSTALLATION INSTRUCTIONS Piping for Space Heaters Localcodesorplumbingauthorityrequirementsmay • I fthiswaterheaterisinstalledinanapplication varyfromtheinstructionsordiagramsprovidedinthis intendedtosupplydomestichotwaterneedsandhot manual andtakeprecedenceovertheseinstructions. waterforspaceheatingpurposes,donotconnect theheatertoanexistingheatingunitorcomponents CombinationPotableandSpace ofaheatingsystemthathavepreviouslybeenused HeatingApplication withanondrinkingwatersystem. Toxicchemicalssuchasthoseusedforboiler DANGERS: treatmentmaybepresentandwillcontaminatethe drinkingwatersupplycausingpossiblehealthrisks. • W henthissystemrequireswaterforspaceheatingat Neverintroducetoxicchemicals,suchasglycoland elevatedtemperatures(above125°F[52°C]),amixing thoseusedforboilertreatment,intothissystem. ortemperingvalvemustbeinstalledinthehotwater supplylinetothehouseinordertoreducethescald • T hiswaterheaterisnotapprovedasthededicated hazardpotential. spaceheatingunit. • A nypipingorcomponentsusedintheinstallationof Thiswaterheatermustbeusedforcombination thiswaterheaterinacombinationpotableandspace applicationswithairhandleronlyandnotforindoor...

  • Page 64: Lighting The Water Heater

    INSTALLATION INSTRUCTIONS Lighting the Water Heater WARNING: Beforeoperatingthiswater heater, be sure to read and follow the instructions on thefollowinglabel,alllabelsonthewaterheater,and the “Important Safety Information” section in this manual.Failuretodosocanresultinunsafeoperating conditions that can result in death, personal injury, propertydamage,and/orproductdamage. 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.

  • Page 65: Lighting The Water Heater

    INSTALLATION INSTRUCTIONS Lighting the Water Heater Operating Instructions Read,understand,andfollowthesafetyinformation listedontheoperatinglabelonpage64andinthe “ImportantSafetyInformation”sectioninthismanual.  Turnonallelectricpowertothewaterheater.The waterheaterburnerwillautomaticallylightwhen thereisademandforhotwater. WARNING: Donotattempttolightthe  Disconnectallelectricpowertothewaterheater. burnerbyhand.Lightingtheburnerbyhandisan unsafeoperatingconditionthatcanresultindeath, personalinjury,propertydamage,and/orproduct damage.  Ifthewaterheaterburnerwillnotlight,turnoff thewaterheaterasdescribedbelowandcallyour servicetechnicianorgassupplier. Shutting Off the Water Heater  Turnthegasshut-offvalveclockwisetotheOFF position.Thisvalveislocatedontheoutsideofthe waterheater.Wait5minutestoclearanygas.If youdon’tsmellgas,proceedtoStep3. NOTICE: Ifyousmellgas,STOPandfollow thesafetyinstructionslistedunderBonthe operatinglabeloronthefrontcoverofthismanual.

  • Page 66: Setting The Water Temperature

    INSTALLATION INSTRUCTIONS Thecontentsonpages66through69shouldonlybeperformedbyqualifiedservicepersonnel. Setting the Water Temperature WARNING: Improperadjustment, Priority Indicator alteration,service,ormaintenancecanresultin In-Use death,personalinjury,propertydamage,and/or Indicator productdamage. (Lit during operation) Maximum Temperature Adjustment by Temperature Adjustment the Main Remote Control (UMC–117) Buttons LED Display (Displays ON/OFF DANGER: water Button and Watertemperaturesabove125°F temperature Indicator and error...
  • Page 67 INSTALLATION INSTRUCTIONS Setting the Water Temperature (cont.) While“120”isblinking,presstheUPandDOWN PresstheDOWNadjustmentbuttonrepeatedly adjustmentbuttonsatthesametime.“120”will until100°F(38°C)or85°F(29°C)showsintheLED stopblinking. display.HoldtheDOWNbuttonuntilthenumberon thedisplaystartstoblink. PresstheUPorDOWNadjustmentbuttontosetthe desiredtemperature. Whilethenumberisblinking,presstheUPand DOWNadjustmentbuttonsatthesametime.The numberwillstopblinking. Turnonthegasandwatertothewaterheaterby openingtheshut-offvalves. PresstheUPorDOWNadjustmentbuttontosetthe desiredtemperature. Tolimitmaximumwatertemperaturesetting to120°F(49°C): Turnonthegasandwatertothewaterheaterby openingtheshut-offvalves. Turnontheremotecontrol. Turnoffthegasandwatertothewaterheaterby closingtheshut-offvalves.

  • Page 68: High-Altitude Adjustments

    INSTALLATION INSTRUCTIONS Minimum Temperature Adjustment by the Main Remote Control (UMC–117, USC1–117, and USC2–117) Residentialwaterheatertemperaturescanbeadjusted downto85°F(29°C),whenrequired. Tochangethetemperaturesettingsdownto PresstheDOWNadjustmentbuttonrepeatedlyuntil 85°F(29°C): 100°F(38°C)showsintheLEDdisplay. NOTICE: LEDdisplayonlyshows°F. Turnontheremotecontrol. PresstheDOWNadjustmentbutton3timeswithin5 seconds.Thedisplaywillshow“85.” Turnoffthegasandwatertothewaterheaterby closingtheshut-offvalves. Turnonthegasandwatertothewaterheaterby openingtheshut-offvalves. NOTICE: Themaximumflowrateat85°F(29°C) is1.3gpm(5.0L/m). High-Altitude DIP Switch Adjustments Whenthewaterheaterisinstalledabove3,280ft. Verifythealtitudethatthewaterheaterisinstalled. (1,000m),thesettingsontheDIPswitchlocatedon theprintedcircuitboard(PCB)needtobechanged.If thesesettingsarenotchanged,thewaterheatermay notfunctionproperly.
  • Page 69 INSTALLATION INSTRUCTIONS High-Altitude DIP Switch Adjustments (cont.) Dip switch adjustment 3,280 feet (1,000 m) thru 6,560 feet (2,000 m) Ifaltitudeisabove3,280ft.(1,000m)andbelow 6,560ft.(2,000m),changethethirdswitchon“DIP 2”totheONposition(UP). Dip switch  Removethefrontcoverpanelonthewaterheater. adjustment 6,560 feet (2,000 m) thru 9,840 feet (3,000 m)  Ifaltitudeisabove6,560ft.(2,000m)andbelow 9,840ft.(3,000m),changethefourthswitchtothe ONposition(UP). NOTICE: DonotalteranyotherDIPswitch Dip Switches...

  • Page 70: Parts Replacement

    PARTS REPLACEMENT Parts Ordering WARNING: Themodelandserialnumberofthewaterheater Foryoursafety,donotattempt fromtheratingplate. to disassemble, repair, or replace any portion of this Specifythegastype(naturalorLP)asmarkedon unit.Referallrepairs,service,and/oradjustmentsto theratingplate. qualified service personnel. Partsdescription(asshownbelow)andnumberof Addressallpartsorderstothedistributororstore partsdesired. where the water heater was purchased. All parts ordersshouldinclude: Direct-Vent Gas Components Ref# Description ControlBoard GasValve BurnerAssembly...
  • Page 71 PARTS REPLACEMENT Parts Ordering (cont.) Outdoor Gas Components Ref# Description ControlBoard GasValve BurnerAssembly BlowerMotor BurnerManifold GasInletConnector WaterControlBody WaterInletConnector3/4" InletWaterFilter HotOutletConnector RemoteControlTerminalBlock Neutralizationkit FrontCover...
  • Page 72 NOTES...

This manual is also suitable for:

Crtgh-84x seriesCecoh160xCrutgh-95xCphh-32rofCphh-25rofCrtgh-95dv series ... Show all

Table of Contents