Eternal GU32DV User manual

OPERATOR'SMANUAL
NaturalGas(NG)-FactoryDefault
LiquidPropaneGas(LPG)-OptionalConversion
Model GU32DV/505(11,12)1321
Model GU26DV/505(11,12)1261
Onlyspeciallytrainedandauthorized
personnelare permittedtoservice this
water heater.
NOTETO ASSEMBLER/INSTALLER:
Leavethismanualwiththe consumer.
NOTETO CONSUMER:
Keep thismanualforfuturereference.
RECORDYOURSERIAL#__________________
(see silverCSA labelon GasWaterHeater)
Ÿ
Ÿ
IMPORTANT:
Ÿ
Ÿ
ServiceInformation Center:
Callusfirst ifyou haveanyquestionswiththis
product. Wecan helpyou withquestionsabout
assemblyandWaterHeateroperationorifthere
aredamaged ormissingpartswhenyouunpack
thisunitfromtheshippingbox.Pleasecallbefore
returning tothe store.
1- 877-934-7455
8am-4:30pm CST, Monday through
Friday
WARNING
!!
CaliforniaProposition65listschemical substances
knowntothe statetocausecancer,birthdefects,
death,seriousillness orotherreproductiveharm.
Thisproductmaycontainsuchsubstances,be
theiroriginfromfuelcombustion(gas,oil)or
componentsoftheproductitself.
WARNING
! !
WHATTODOIF YOUSMELLGAS
Donot trytolightanyappliance.
Do not touchanyelectrical switch; donotuse
anyphonein yourbuilding.
Immediatelycallyourgassupplierfroma
neighbor'sphone.Followthe gassupplier's
instructions.
If you cannot reachyourgassupplier, call
thefiredepartment.
2.
3.
1.
4.
Read thisOperator'sManualcarefullyand be sure
yourWaterHeaterisproperlyassembled,installed
and maintained.Failuretofollowtheseinstructions
exactlycould resultinafireorexplosion, serious
bodilyinjuryand/orpropertydamage.
Do notstoreorusegasoline orotherflammablevapors
and liquidsinthevicinityofthisoranyotherappliance.
WARNING
! !
1
Manual#157070132-Date2008/8/6
C

2
WARNING
! !
Ifyoudetectabnormalcombustionorabnor-
malodors,oranearthquake,tornadoorfire:
1. Turnoffthe hot watersupplyatthefaucet.
2.Turnoffthepowertothehotwaterheaterby
unplugging.
3.Turnoffgasandwateratthemanualshut-off
valves.
4.Consultthenearestservicepersonnel.
TableofContents
WARNING
! !
DO NOTplacecombustiblechemicalsormate-
rialssuch aslaundry,newspapers,hairspray,
spraydetergent,oil,gasoline,benzene etc.,near
thewaterheaterortheexhaustventterminal.
LEAVEthe properclearancebetweenthewater
heaterand nearbyobjects(trees,timber,boxes
andflammablematerialsetc.,)
BE SURE toelectricallygroundtheunit.
DO NOTtouch thepowercordwithwethands.
KEEP powercordfree ofdust.
DO NOTuseabrokenormodifiedpowercord.
DO NOTbind,bend orstretch powercord.
DONOTconnectthewaterheatertoasolar
waterheater.
CAUTION
Donot install waterheaterwhereflammable
productswillbestored.
Read andfollowthewaterheaterwarnings
andinstructions.Iftheoperator'smanualis
missing,contacttheretailerormanufacturer.
! !
WARNING
Never use thishotwaterheaterunless it
iscompletelyfilledwithwater.
Topreventdamage tothe tank,the tankmustbe
filledwithwater.Watermustberunningfromthe
hotwaterfaucetbeforeturning the maingasvalve
tothewaterheaterto"ON".
!! WARNING
CAUTION
Ifyoudonotfollowtheseinstructions
exactly,afireorexplosion couldresult
causing propertydamage,personalinjury
orloss oflife.
!!
WARNING
-Hotwatertemperatureover125Fcancause
severeburnsinstantlyordeathfromscalding.
-Children, disabledandelderlyareatthe highest
risk ofbeingscalded.
-Temperaturelimiting valvesareavailable,ask
yourserviceprofessional.
-Check the temperatureofthe running hotwater
byhandbeforetakingashower.
-Check toseethatthegassuppliedmatches
the gastype on the rating plate
WARNING
Turning Off TheAppliance:
Turnoff all electricpower byunplugging thepower cord
fromthe outletif serviceistobe performed.
Turnthegasshut-offvalvelocatedseparatelyofthe
waterheatertotheOFFposition.
Thiswillhelppreventfire,electricalshockor
damagetotheunit.
! !
DANGER
Primary SafetyWarning...............................1-3
Pre-InstallationInstructions...............................3
PartsDiagramandListforGU32..........4-5
PartsDiagramandListforGU26..........6-7
OperatingInstructions.................................8-9
Use&CareInstructions
Maintenanceand Service............................10
Troubleshooting.............................................11
Specifications............................................12-13
Installation................................................14-24
GasSupplyPiping....................................25
WaterSupplyConnection...................26-27
ElectricalConnection............................28-30
LiquidPropaneGasConversion.........31-32
Recirculation System...................................33
WarrantyTerms..........................................34
1.
2.

WARNING !!
Ifyou do notfollowtheseinstructionsexactly,
afireorexplosion could resultcausingproperty
damage,personal injuryorlossoflife.
OPERATIONINSTRUCTION
Thiswater heater doesnothaveapilot. It isequipped
withanignitiondevicethatautomaticallylightsthe
burner.Donottrytolighttheburner byhand.
BEFOREOPERATION smell allaround thewater heater
area forevidenceof leakinggas.Besuretosmellnext
tothefloorbecause gasisheavierthanairandwill
settleonthefloor.
Use onlyyourhandtoturnthe gasvalve knob. Never
usetools.If theknob willnotturnbyhand,don't tryto
repairit.Callaqualifiedservicetechnician.Forceor
attemptedrepair couldresultinafireor explosion.
Donotusethiswaterheaterifanyparthasbeen under
water.Immediatelycallaqualifiedservicetechnicianto
inspectthewaterheater and toreplaceanydamaged
parts.
Pre-Installation InstructionsForYourSafety
Vaporsfromflammableliquids willexplodeand catch
firecausing deathorsevereburns
Donot useor storeflammableproductssuchasgaso-
line,solventsoradhesives inthesameroomorarea
nearthe water heater.
Keepflammableproducts
1. Far awayfromwaterheater
2.Inapproved containers
3.Tightlyclosed
4. Outofchildren'sreach
Vapors
1.Cannotbeseen
2.Vaporsareheavier thanair
3.Goalong way on the floor
4.Canbe carriedfromother roomstothemainburner
byair currents.
B
C.
A
D.
STOP! Readthissafetyinformation aboveand inthis
OperatorsManual.
Turnoffallelectricpower tothe water heater.
Donot attempttolightthe burner byhand.
Turnthemanualgasvalvelocatedontheoutsideofthe
unit totheoff position.
Waitfive (5) minutestoclear outanygas.Ifyou smell
gas, STOP!Follow"B"inthesafetyinformation above. If
youdon'tsmellgas,gotonextstep.
Turnthemanualgasvalvelocatedontheoutsideofthe
unittotheON position.
Turnonallelectricalpower tothe waterheater.
Ifthewater heater will not operate, followtheinstruction
"ToTurnOff GasWaterHeater"and callyourservice
technicianorgassupplier.
2.
3.
1.
4.
5.
6.
7.
8.
TO TURNOFFGASTO WATERHEATER
Turnoff all electricpower tothe water heaterifservice
istobeperformed.
Turnthemanualgasvalvelocated on theoutsideof
the unit clockwisetothe offposition.
2.
1.
WARNING: Donotinstallwaterheaterwhereflammable
productswillbestored.
Readandfollowthewaterheaterwarningsand instruc-
tions.Iftheoperator'smanualismissing,contactthe
retailerormanufacturer.
Thehotwateroutlettemperatureofthewaterheateris
factoryset122 F(50 C).
WARNING: Usethiswaterheateratyourownrisk.The
setoutletwatertemperaturecan causesevereburns
instantlyordeathfromscalds.Testthewaterbefore
bathingorshowering.Donotleavechildrenortheinfirm
withoutsupervision.
3
WHATTODOIFYOUSMELL GAS
Donot trytolightanyappliance.
Do not touchanyelectricalswitch.
Donot useanyphonein yourbuilding.
Immediatelycall yourgassupplierfromaneighbor's
phone. Followthegassupplier'sinstructions.
If youcannotreachyourgassupplier,callthefire
department.
-
-
Installation Codes
-Theinstallation mustconformwithlocalcodes or, inthe
absence oflocalcodes,withNationalFuel GasCode,
ANSIZ223.1/NFPA 54.
-Properlygroundtheunit inaccordancewithalllocalcodes
or intheabsence of localcodes, withthe NationalElectrical
Codes,ANSI/NFPA70.

4
PartsDiagramsforModelGU32DV/505(11,12)1321

5
PartsListforModelGU32DV/505(11,12)1321
OptionalPartsForOutdoorModel
KEY DESCRIPTION Part# QTY
1Panel, Front 302040001 1
2Panel, Rear 302040002 1
3Panel, Left 302040003 1
4Panel, Right 302040004 1
5Panel, Top/Front 301040005 1
6Panel, Top/Rear 301040006 1
7Panel, Bottom 151010009 1
8ControlPanelAssembly 301080170 1
9TemperatureandPressureRelief Valve 194010281 1
10 IntakeCollarAssembly 307060517 1
11 TopPacking 151010200 1
12 Plug 601020001 2
13 DrainValveAssembly 301070231 1
14 PowerWireAssembly 192010143 1
15 WaterFittingCap 155010059 4
16 Exhaust Flange 153070540 1
17 Exhaust CollarAssembly 301070230 1
18 IntakeFlange 153070539 1
KEY DESCRIPTION Part# QTY
19 SP Adapter 151010247 1

PartsDiagramsforModelGU26DV/505(11,12)1261
6

PartsListforModelGU26DV/505(11,12)1261
7
OptionalPartsForOutdoorModel
KEY DESCRIPTION Part# QTY
1Panel, Front 301040001 1
2Panel, Rear 301040002 1
3Panel, Left 301040003 1
4Panel, Right 301040004 1
5Panel, Top/Front 301040005 1
6Panel, Top/Rear 301040006 1
7Panel, Bottom 151010009 1
8ControlPanelAssembly 301080170 1
9TemperatureandPressureReliefValve 194010281 1
10 IntakeCollarAssembly 307060517 1
11 TopPacking 151010200 1
12 Plug 601020001 2
13 DrainValveAssembly 301070231 1
14 PowerWireAssembly 192010143 1
15 WaterFitting Cap 155010059 4
16 Exhaust Flange 153070540 1
17 Exhaust CollarAssembly 301070230 1
18 IntakeFlange 153070539 1
KEY DESCRIPTION Part# QTY
19 SP Adapter 151010247 1

8
Thiswaterheater does nothaveapilot. Itisequipped
withanignitiondevicewhichautomaticallylightsthe
burner.Donottrytolighttheburnermanually.
Beforeoperating,makesurethatagasleakisnotevi-
dent bysmellingthearea around the unit. Besureto
smell next tothefloorbecause gasisheavierthanair
and will settleon thefloor.
Useonlyhandtoturnthegasvalveknob.Neveruse
tools.Iftheknob will not turnbyhand, donot trytorepair
it,call aqualifiedservicetechnician.Forceor attempted
repaircouldresultinafireorexplosion duetothegas
leakage.
Donotusethiswater heaterifanypart hasbeen under
water.Immediatelycall aqualifiedservicetechnicianto
inspectthe waterheaterandtoreplace anypartsthat
havebeenunder water.
Donotinstall theunitstandingdirectlyon combus-
tiblesurface.
OperatingInstructions
STARTINGTHESYSTEM
Foryoursafety,readbeforeoperating
NORMALOPERATION
Toturnon yourwaterheater
STARTINGUP
Oncethe unithasbeenproperlyinstalled, checkthe gasand
waterconnections forleaks.
Checkforproperventilation and combustibleairsupplyto
thewaterheater. Purgethegasandwaterlines toremove
debris;thenfollowthesesteps toturnonyourunit.
Toturnoff yourwaterheater
1.Close thehotwater tapand thewater heater'sburner
will turnoff automatically.
WHATTODOIFYOUSMELL GAS
-Donot trytolightanyappliance.
-Do not touchanyelectricalswitch.
-Do not useanyphonein yourbuilding.
-Immediatelycallyourgassupplierfromaneighbor's
phone.Followthegassupplier'sinstructions.
-If youcannotreachyourgassupplier,call thefire
department.
Openahot water tap.
Burner willignite;theindicatorwilllightonfrontcontroller.
Mixcoldwatertogetthedesiredwatertemperatureattap.
Maximumtemperatureofhotoutlet canbe set bycontroller
on thefrontof theunit.
Closethemanualgasshut-off valve located onthe
gasline.
Fullyopen themanualwatershut-off valveonthewa-
tersupplyline.
Toensurecompletefillingofthe heat exchangertank,
allowair toexit byopening thenearesthot water faucet.
Allowwatertorununtil aconstantflowisobtained.
Thiswill letairoutof thewaterheaterand piping.
Openahotwatertap,tocheckthat waterwill flowto
thattap. Then close the hotwater tap.
Fullyopen themanualshut-off gasvalve.
Plug inthe120VAC/60Hzpowersupplytothewater
heaterandturnon theunit.
Open tapandenjoyendlesshot water!
1.
2.
3.
4.
5.
6.
7.
Neverusethishotwaterheaterunless it is
completelyfilledwithwater.
Thetankmustbefilled withwater. Watermustflow
fromthehotwater faucet beforeturning"ON"gasto
the waterheater.
!! CAUTION
Donotdrink waterthathas been inside the unit
forextended period oftime.Donotdrink thefirst
useofhotwaterfromthe unitinthemorning.
!! CAUTION
1.
2.
3.
4.

HowToUse TheFrontControlInterface
Toswitchthewater heaterON: fromOFFcondition
Pressthe PowerButton.
-Thetemperatureselectedwillbeindicatedonthe
Digital Monitor.
-TheONIndicatorwilllightup.
Whenrunningthewaterbyopeningthewatertap,
thewaterheaterwillstarttheburnerautomatically
andtheDigital Monitorwill show theactualwater
temperature.When watertapsareclosed,the unit
will stop the burnerand theDigitalMonitorwill show
thesettemperature.
Toswitchthewaterheater OFF:
Pressthe PowerButton.
-The temperatureselected on theDigitalMonitorwill
go out.
-TheONIndicatorwillturnoff.
Toadjustwatertemperature:
Press the "HOT"or"COLD"TemperatureSetting
ButtonwithunitON.(Temperaturesettingisonly
adjustablewhen the waterheaterisnotinuse.)
The maximumwatertemperaturesetting can be
limitedbyDIPswitches.Thismanualsettingoverrides
frontpanel temperaturesetting.DIPswitchsettings
can befound on P.28~29.
9
1.
2.
1.
1.
2.
DANGER
! !
-Hotwaterheatertemperatureover125Fcancause
severeburnsinstantlyordeathfromscalding.
-Children,disabled andelderlyareatthe highest
risk ofbeing scalded.
-Feelwatertemperaturebeforebathing orshower-
ing.
-Temperaturelimitingvalves areavailable,aska
professionalperson.
WaterTemperatureTimetoProduceaSeriousBurn
120 Morethan5minutes
125 1.5to2minutes
130 About30seconds
135 About10seconds
140 Lessthan5seconds
145 Lessthan3seconds
150 About1.5seconds
155 About1seconds

Physical Damage:Ifthewaterheaterhasbeensubjected
tofire,flood,orphysicaldamage,turnoff themanualgas
shutoff valve and do notoperatethewaterheater again
until ithasbeencheckedbyqualified personnel.
TemperatureSetting:Hotter waterincreasesthe riskof
scalding injury.
Venting SystemInspection: Avisual inspectionshould
bemadeon theventing systematleastonceayear.
-. Besurethe ventingisproperlyconnected toprevent
escapeof dangerousfluegases whichcouldcause
deadlyasphyxiation.
-.Obstructionscouldcauseimproperventing.The
combustionandventilationairflowmustnotbe ob-
structed.
-. Damageor deteriorationwhichcouldcauseimproper
ventingor leakage of combustionbyproducts.
CleanUp:Theflueoutletandtheairintakeholes onthe
bottomsidesofthewaterheatershouldbe checked
frequently.Cleanasneededtopreventthe entryofwater,
insects,rodentsorotherforeignmaterialssuchasfallen
leavesanddustthat couldcause blockages.Donotob-
struct the flowofcombustion airand exhaustairflow.
WaterStrainer:Thewaterstrainershouldbechecked
atleastonceayear. Itprotectsvalve fromdirt, and
pipescale.Self-cleanbyopening valve orplug con-
nectedtoablow-off outlet.
SedimentBuild-up:Unlike atypicalstorage tank,this
heaterhasaselfcleaningsysteminitiatedbytheflow
ofwater.Buildupofsedimentinfaucetaerators,
showerheadsand screens couldimpairwaterflow
andcause thewaterheatertodeliverless thanitsfull
output,ortoshutdowncompletely.Check anyofthese
screensorshowerheadsonyourfaucetsperiodically
andcleanas necessary.
SYSTEMSAND PARTSCHECK
The unit shouldbecheckedonceayearor asnecessarybya
certified and trainedtechnician.Ifrepairsareneeded,the
repairsshouldbedonebyacertifiedandtrainedtechnician.
The followingsystemsandpartsshouldbe checkedat least
once ayear.
1.Venting system
2. Burner
3. Manualoperationof the pressurereliefvalvetoensure
correct operation.
4.Periodiccleaningof thewater filter.
5.Removethethermistorfromheatexchangerandcheck
formineralcoating.Amineralcoating on thethermist
-orrequiresflushing.
WARNING !!
Turnoffthe electricalpowersupply,themanual
gascontrolvalve,and the manualwatercontrol
valvebeforeservicing.
CAUTION
! !
Avoidcontactwithhotwaterreleasedfromthe
reliefvalve
NO LUBRICATION: Nolubrication isrequiredforthe
waterheater.
Service&CleaningOfTheBurner:Onlyspeciallytrained
and authorizedpersonnelarepermittedtoservicethe
burner.
Maintenance and Service
10
BURNER IGNITION:Water heaterhasautomaticignition
system.Onceyou openahotwatertap,thecomputer
electronicallyignitestheburners.You canseetheburner
flameviaflameinspection hole.
_
_
_
FlameInspection
Hole

11
TROUBLESHOOTING
Thisunithastheabilitytocheck itsownoperation continuously.If anerroroccurs,amessagewill flashon thedigital
monitorofthefrontpanel.
Thisassistswithdiagnosing theerror,andmay enableyoutoovercomeaproblemwithoutaservicecall.Pleasequote
thecode displayedwheninquiringaboutservice.
NOTE: Inallcasesyou may be abletoclearthe ErrorMessagesimplybyturningthehotwatertapOFF,then ONagain.If
thisdoes notcleartheErrorMessage,trypushing theON/OFFbuttonOFF,thenONagain.IftheErrorMessagestill
remains,contactourservicecenter or your nearestservice agent andarrange for aservice call.
1-877-934-7455
8am-4:30pm CST, Monday through Friday
Troubleshooting
CodeDisplayedFaultRemedy
E1
E2
E3
E4/E5
E6/E7
E8/E9
E11
E12
E13
E14
E15
E16
E17/E18
E19/E20
E21
E22
E24
E27
E28
E30/E31
E34
E35
E36
E37
E38
E39
E40
E41
E42
E43
E45
E46
Remainingflamedetected
Ignitionfailure
Weakflameorabnormalcombustion
Anoutletthermistoropen/short
AH/Ethermistoropen/short
Aninletthermistoropen/short
ADCmotorfailure
Watertemperaturetoo hot
No filled waterintankorpressureswitchfailure
Acontrollerfailureconcerninganinletthermistor
AcontrollerfailureconcerningaH/Ethermistor
Acontrollerfailureconcerninganoutletthermistor
Aburnerthermistorshort/open
Asecondaryairholethermistorshort/open
Avent condition isnotnormal
Temperaturetoohigh on aburnerthermistor
Mixingcontrol valveisnotconnected
Mixingcontrolvalveinitializationfailure
Powerlineofmaingasvalveisopen
Rotation ofaDCfanistoohigh/low
Carryovergasvalveisnotconnected
Modulationgasvalveisnotconnected
Acontrollerfailureconcerninggasvalve
CommunicationfailurewithSUBCPU
Sub'sRAMfailure
Acontrollerfailureconcerningsub'sflamesignal
Main's RAMfailure
Acontrollerfailureconcerning flamesignal
Main'sROMfailure
Main's MUXerror
Noairpressureduring DCmotoroperating
DetectionofOxygen depletion
Callservicecenter
Checkgasline,igniter,flamerod
Gasline notsupplying enough gas
Checkoutletthermistorand wiring
CheckH/Ethermistorand wiring
Checkinletthermistorand wiring
Call forreplacementmotor
Check flowsensororCPU
Check watertankorpressureswitch
Callservicecenter
Callservicecenter
Callservicecenter
Check burnerthermistorand wiring
Check airholethermistorandwiring
Checkventconditionforbackflow
Call forreplacementthermistor
Checkmixingvalvewiring
Call forreplacementvalve
Checkwiring,thermostatand fuse
Call forreplacementmotor
Checkcarryovergasvalvewiring
Checkmodulationgasvalvewiring
Callservicecenter
Callservicecenter
Callservicecenter
Callservicecenter
Callservicecenter
Callservicecenter
Callservicecenter
Callservicecenter
Check intakeorventcondition
Callservicecenter
me
me

12
SpecificationsGU32DV/505(11,12)1321
Performance
NaturalGas Max.236,000btu/hr Min.47,500 btu/hr
L.P. Gas Max.236,000btu/hr Min.47,500 btu/hr
45 'FRise
80 'FRise
CAPACITYRANGE
TEMPERATURE SETTINGS
altitude installation instructions.
4.Checktherating platetoensurethe productcomplieswithyourgasline specifications.
GAS CONSUMPTION
HOTWATERFLOWCAPACITY 5.1Gal./min
1.Inletgaspressuremustnot exceed specified value.
2.Correctgaspressureiscriticalforoptimaloperation of yourwaterheater.
3.Highaltitude: Beforeinstallinareasover4,500 feetabovesea level,contactthe manufacturerforhigh
0.5to9.1Gal./min
100,102,104,106,108,110,112,114,116,122,131,140,149,158,167°F(15 steps)
9.1Gal./min
ITEM
MODELNAME
TYPE
IGNITION
DIMENSIONS
OPERATIONGASINLETPRESSURE NaturalGas 3.5"W.C. ~10.5"W.C.
L.P. Gas 8 "W.C. ~14"W.C.
OPERATIONWATERPRESSURE
WEIGHT
WATERHOLDINGCAPACITY
CONNECTIONSIZE WaterInlet 3/4inchNPT
WaterOutlet 3/4inchNPT
GasInlet 3/4inchNPT
ELECTRICALSUPPLY
HEATEXCHANGER
SAFETYDEVICES
Specifications
GU32DV/ 505(11,12)1321
IndoorSealedDirect Vented
Direct Ignition
T&Pvalve, FlameRod, ThermalFuse,BackFire
Detector, LightingPrevention, Overheat Prevention,
FanRotationDetector. AntiFreezing
Stainlesssteel
17.3x22.8x40.9inches(W, D, H)
15 ~150 Psi
172.9lbs.
120VAC(60Hz)
6.4Gallons

SpecificationsGU26DV/505(11,12)1261
Performance
ITEM
MODELNAME
TYPE
IGNITION
DIMENSIONS
OPERATIONGASINLETPRESSURE NaturalGas 3.5"W.C. ~10.5"W.C.
L.P. Gas 8 "W.C. ~14"W.C.
OPERATIONWATERPRESSURE
WEIGHT
WATERHOLDINGCAPACITY
CONNECTIONSIZE WaterInlet 3/4inchNPT
WaterOutlet 3/4inchNPT
GasInlet 3/4inchNPT
ELECTRICALSUPPLY
HEATEXCHANGER
SAFETYDEVICES
3.8Gallons
T&Pvalve, FlameRod, ThermalFuse,BackFire
Detector, LightingPrevention, Overheat Prevention,
FanRotationDetector. AntiFreezing
Stainlesssteel
17.3x22.8x33.5inches(W, D, H)
15 ~150 Psi
145.6lbs.
120VAC(60Hz)
Specifications
GU26DV/ 505(11,12)1261
IndoorSealedDirect Vented
Direct Ignition
13
NaturalGas Max.180,000btu/hr Min.47,500 btu/hr
L.P. Gas Max.180,000btu/hr Min.47,500 btu/hr
45 'FRise
80 'FRise
CAPACITYRANGE
TEMPERATURE SETTINGS
altitude installation instructions.
4.Checktherating platetoensurethe productcomplieswithyourgasline specifications.
GAS CONSUMPTION
HOTWATERFLOWCAPACITY
4.0Gal./min
1.Inletgaspressuremustnot exceed specified value.
2.Correctgaspressureiscriticalforoptimaloperation of yourwaterheater.
3.Highaltitude: Beforeinstallinareasover4,500 feetabovesea level,contactthe manufacturerforhigh
0.5to7.1Gal./min
100,102,104,106,108,110,112,114,116,122,131,140,149,158,167°F(15 steps)
7.1Gal./min

14
Onlyspeciallytrainedand authorized techniciansare
permitted toservicethiswaterheater.
Unpacktheunitcarefullyandmakesurethatall
accessories areputasideso thattheywill notbe
lost.
Operator'smanual
WarrantyCard
AdditionalParts
Inspectthewaterheaterforpossibleshipping
damages.
Installation Preparation
PROFESSIONALINSTALLATIONREQUIRED
Unpacking YourEternal Water Heater
Ÿ
Ÿ
Ÿ
Check the markingsoftheratingplateon the water
heatertobecertainthetypeofgasbeingfurnished
correspondstowhatthe waterheater isequipped for.
Donot connectthiswaterheatertoafueltypenotin
accordancewiththerating plate
WATERHEATERPLACEMENT
AdditionalSafetyInstructions
Carefullychoosethe locationforthenewheateras
placementisaveryimportantconsiderationforthe
safetyof the occupantsinthe building andforthemost
economicaluse ofthe appliance.
Whetherreplacing anoldwaterheaterorputting the
waterheaterinanewlocation, considerthefollowing
criticalpoints:
Thelocation selectedshouldbeasclosetothe
ventterminationpointas possible,andcentered
withinthewaterpiping systemforbesthotwater
delivery.All waterheaterscanleak.Donotinstall
withoutadequatedrainageprovisionswherewa-
terflowcancause propertydamage.
If ventedthrough anoutsidewall or throughtheroof
using 4"ventpiping thetotalventrun cannotex-
ceed 30feet withone90elbow. If moreelbowsare
requiredthe venting distancemustbereduced5
feetforevery90elbow.
1.
3.
4.
2.
Ventpipingcannotslope upwardandhorizontal
runs require1/4'' perfootrise.All horizontalruns
requireadequatesupport at31/2footintervalsand
verticalrunssupportedat5feetintervals.
Condensationmaybe created attimesasthecom-
bustion gases exit thevent cap.Discoloration ofsur-
facesinproximitytotheventcapmay occur.
CAUTION
! !
Before commencingtheInstallation
Checkthatit isinaccordancewithrelevantbuilding
andmechanicalcodes,aswellas anylocalorstate
orfederalregulations.
Forotherthan directventappliance,theappliance
mustbe located ascloseaspossibletoachimney
orgas vent.
The appliance shouldbe located inanareawhere
leakageofthetankorconnectionswill notresult
indamagetothearea adjacenttotheappliance
ortolowerfloorsofthe structure.Whensuch
locationscannotbeavoided,itisrecommended
thatasuitabledrainpanbe installed underthe
appliance.Thepanmustnotrestrictcombustion
airflow.
The minimuminletgaspressuremustbe within
thevaluespecifiedbythemanufacturerandthe
minimumvalue listedisonlyforthepurpose of
inputadjustment.
If awaterheaterisinstalledinclosed watersupply
system,suchas onehavingabackflowpreventer
inthe coldwatersupplylineandathermalexpan-
siontankisrequired,contactthewatersupplieror
localplumbinginspectoronhowtocontrolthis
situation.
TheTemperatureandPressure(T&P)reliefvalve
mustbecertifiedasmeeting therequirementofthe
StandardforReliefValves and AutomaticGasShut-
off Devicesfor HotWater SupplySystemsANSIZ21.
22 /CAN1-4.4.Thevalvemust bemarkedwithamaxi-
mumsetpressurenottoexceedthemarkedhydro-
staticworkingpressureofthe water heater(150psi)
andadischarge capacitynotless thanthewater
heater input rateasmarked ontheratingplate.
Fortubetypewaterheaters,thereliefvalvemust
beinstallednearthehotwateroutlet.
Fortubetype circulating waterheaters,installed
onlywithapressurereliefvalve,theseparate
storagevesselmusthave atemperatureandrelief
valveinstalled.Thisreliefvalveshallcomplywith
theStandardsfor; "ReliefValves and Automatic
Gas Shutoff Devices forHotWaterSupplySystems".
WARNING
! !
3.
2.
1. Read theSafetyguidelinesinthe beginningof this
manual.
Theinternalcomputercontrolledregulatorispre-
setbythemanufacturerandshouldnotbeadjusted
byuser.
Maintainproperspace around theunitfor servicing.
Install theunitsothatit canbeconnectedorre-
movedeasily.
Theelectricalconnectionrequiresameans for
switching offthepower supply.
Avoidinstalling theunit inanareawithhighlevels
ofdust, sand,ordebris.These particlesmayclog
theair vent or impair thefunctionofthefan,leading
toimpropercombustion. Regularmaintenanceis
needed.
Donotinstall the unitwheretheexhaustventis
pointing intoanyopeninginabuildingor wherethe
noise maydisturbneighbors.
4.
5.
6.
Ÿ
Ÿ
Ÿ
Ÿ
Ÿ
Ÿ

T&PValveand Intake/ExhaustTopInstallation
Loosen2screwsholdingthe FrontPanelatthe
bottom, pushthe paneldownandtowardsyourself
toremove. Takethe accessoryboxoutofthefront
ofthe unit. Thisboxcontains:
T&P ReliefValvex1
IntakeTop x1
ORing(G95)x1
ExhaustCollarx1
ValveAdaptorx1
OrificeforLPGx1
LPGLabel x1
TopPacking x1
MeshScreenx2
SelfTappingScrew(T4x16)x5
PhilipsHead Screw(M4x10)x5
AttachtheFrontPanelandpushthe panelup.
Securewiththepreviouslyremovedscrews.
Priortoinstalling theExhaustCollar,please
securetheO-Ringbetweenthe ExhaustFlange
andbotton ofExhaustCollar.
1.
15
2.
3.

T&PValveand Intake/ExhaustTopInstallation
InstalltheIntakeTop andsecurewith4screws.
InstalltheT&PReliefValveonthesideofunit.
Makesurethe T&P Reliefissecuredtightto
preventwaterleak.
Forindoorinstallation,pleaseinstall theTop
Packing beforeconnecting PVCorStainless steel
ventingpipe.
VentCapInstallation(ForOutdoorInstallation)
4.
16
5.

17
Maintenance and Service
Airforventilationforappliance locatedin con-
finedspaces.
CombustionAirand Exhaust
Airforventilationshouldbeprovidedifinstalledin aconfined
space.RefertotheNationalFuel GasCode,ANSIZ223.1
Horzontalrunsmustbesecurelysupportedat31/2footinter-
valsandvertical runssupportedat5footintervals.
INSTALLCONFIGURATION
VENTPIPESEPERATION
1.
2.
3.
Venting Through Roof-Clearances
WARNING
! !
Theventexhaustoutletandairinletterminalsshall
terminateatleast18inchesabovetheroof
surface.
0"clearancefor4"PVC,ABS ORCPVCSchedule
40piping fromcombustible surfaces.
Theventingsystemmustbe installedin amanner
whichallowsinspectionoftheinstallationofthe
ventingpipesand jointsaswellasperiodicinspec-
tionafterinstallationasrequiredbyANSIStandard.
When the determining the installation locationfor
apowerdirectventwaterheater,snow accumu-
lationanddriffting shouldbe considered inarea
whereapplicable.
Theinletandoutletvetpipesmustbeseparatedbya
minimumdistanceof6-1/2inchup to24 inch
maximum.

0"clearancefor4"PVC,ABS,orCPVCSchedule
40pipingfromcombustibelsurfaces.
18"minimuminalldirectionsfromanyobstruction,
suchasawall, that mayinterfere.
12"minimumfromthe ground and corners,9"ceil-
ingoverhang,seebelowFigure.
CombustionAirand Exhaust
Venting ThroughanOutsideWall -Clerances
The powerdirect ventoutletterminalshallterminate
atleast36"aboveanyforcedairinlet locatedwithin
10feet.
18"minimumfromothernaturaldraft(gravity)direct
vent,power ventorpowerdirectventapplianceinlet
andoutletvent.
24"minimumfromanyapplianceinletand/oroutlet
ventswhendirectlybelowor45degreetoeitherside
ofcenterline.
VENTINGCONNECTION
Thevent systemmustbegastight.All seamsandjoint
mustbesealedwithsiliconesealant oradhesivetape
having aminimumtemperatureratingof400F.
Foreachelbowadded,deduct5feetfrommaximumvent
length.Forexample, 25 ft.isthe maximumtotaldistance
if twoelbowsareused.
Ÿ
INLET/OUTLETVENTTERMINATION
Install a4inch couplingattheoutside wall on boththe
inletandexhausttopreventtheterminationsfrombeing
pushedinward.
VENTING LENGTH
Diameter 4 inches
Max. No. ofElbow 3 ea
Max. Verticalor Horizontalrun inLength40 ft.
Power DirectVenting Rule
18
Whendetermining theinstallation locationfora
powerdirectvent waterheater,snowaccumulation
and driftingshouldbe considered in areaswhere
applicable.
WARNING
! !
2.
1.
3.
When installingtheventsystem,all applicable national
andlocalcodesmustbefollowed.If thimbles,firestops
orotherprotectivedevicesaregoingtobe installed
whichwill penetrateanycombustibleornoncombus-
tibleconstruction,besuretofollowall applicablena-
tionaland local codes.
Fanassisted appliances: Followthe requirementas
indicated inthe latest edition ofANSIZ233.1/NFPA
54.
Horizontalexhaustventconnectorsmustpitched down-
wardtothechimneyat least1/4"perfoot of length.
Singlewall ventconnectorsmust be atleast 6"from
adjacentunprotected combustiblesurfaces.Jointofvent
connectors should be securelyfastened bysheetmetal
screwsorotherapprovedmethod.
Theentireventsystemmustnotexceedthesizespecified
intable.
Pitchdowntheventrun towardtheventterminalata
rateof1/4inch perfoot.
Whenthehorizontalventrunexceeds5feetthefollowing
criteriamustbeobserved:
Support theventrun at3feetintervalswithoverhead
hanger.
Ÿ
Install adraintee assemblyand trapin the exhaust
vent asclosetothe waterheateraspossible. Con-
nectthe trapdrainlintoasuibabledrainfor
downstream.
Ÿ
Ÿ

WARNING !!
Improperventing of thisappliancecanresult in
excessivelevelsofCarbonMonoxide,which
cancauseseverepersonal injuryordeath.
VENTING INSTRUCTION
Exhaust Fans andVentilation
Thewaterheaterisequippedwithacombustibleair
detectortomeasurewhetherthereisenoughairfor
propercombustion.If thereisnot,thewaterheater will
not workuntil sufficentairisprovided.
Anyequipment, whichusesair fromanenclosed space,
candepletetheairfromthatarea.Thiscanresultin
exhaustflowing fromtheflue tothe enclosedspace,
which couldresultintheaccumulationofdangerous
exhaustfumes inthespacewherethewaterheateris
installed.
Additionalairmustbesuppliedtocompensatefor any
exhausteffect.
If afanblower isusedtosupplyair tothe waterheater
room, the installer shouldmakesureit doesnot create
drafts,which couldcause unwanted shutdowns.
If ablower isnecessarytoprovideadequatecombus-
tionairtothewater heater,aswitch orequivalentde-
vice mustbe wiredintothe water heatercontroltopre-
ventthewaterheaterfromfiring unless thebloweris
operating.
Thiswaterheatermustbeventedinaccordancewith
"Venting ofEquipment"section ofthelatest editionof
theNationalFuelGasCode, ANSIZ223.1andallappli-
cablelocalbuilding codes.
ExhaustVentingInstallation
EXHAUST VENTINGINSTALLATION
Place thewaterheaterascloseaspossibletothe
vent.
Theventcollaronthewaterheatermustbe fastened
directlytoanunobstructed vent pipe.
Donotweldtheventpipetothe waterheatercollar.
Theweightofthestack mustnotreston thewater
heater.Thefluemustbeeasilyremovablefornormal
serviceandinspectionoftheunit.
The waterheatermustnot sharecommonvent witha
fireplace,wood stoveorotherappliances.
Avoidterminatingthe water heaterventnearanyair-
conditioning orair-supplyfans.
Avoidusinganoversizedvent pipeor usingextremely
longrunsof the pipe. Thismaycauseexcessive cool-
ingandcondensation offlueexhaustgases.
Theventingsystemmustbeinstalled inamanner
whichallowsinspection duringthe installationofthe
venting pipesand jointsaswell asperiodicinspec-
tion afterinstallation asrequiredbyANSIstandards.
VENTINGCONNECTION
The ventsystemmust begastight.Allseamsandjoint
mustbe sealedwithsiliconesealantoradhesivetape
havingaminimumtemperaturerating of 400 F.
When installingtheventsystem,all applicablenational
andlocalcodes must befollowed.If thimbles,firestops
orotherprotectivedevices aregoingtobeinstalled
which willpenetrateanycombustibleornoncombus-
tibleconstruction,besuretofollowall applicablena-
tionaland localcodes.
Fanassistedappliances :Followtherequirementas
indicated inthelatestedition of ANSIZ233.1/NFPA 54.
Horizontalventconnectorsmustpitched downwardto
the chimneyat least1/4"perfoot oflength. Singlewall
ventconnectorsmustbeatleast 6"fromadjacentun-
protectedcombustiblesurfaces.Jointsofventconnec-
torsshouldbesecurelyfastened bysheetmetalscrews
or other approved method.
Theentireventsystemmustnotexceedthesizespeci-
fiedintable.
For eachelbowadded, deduct5feetfrommaximum
ventlength.For example, 25 ft.isthemaximumtotal
distanceiftwoelbowsareused.
Ÿ
Ÿ
Ÿ
Ÿ
Ÿ
Ÿ
VENTINGCLEARANCES
12"minimumfromthe ground, 9"fromceilingover-
hangs.
Thepowerventoutletterminalshallterminateat
least36"aboveanyforced airinletlocated within10
feet.
Thepowerventoutletterminalshallterminateat
least 4feetbelow,4feethorizontallyfromor 1foot
above anydoor,windoworgravityairinletintothe
VENTING LENGTH
VENTINGTROUGHROOF-CLEARANCES
Thepowerventoutletterminalshallterminateat
least 12"abovetheroof surface.
The location selection mustprovide clearancefor
servicing andproperoperation ofthe water heater.
Ÿ
Diameter 4 inches
Max. No. ofElbow 3ea
Max. Verticalor Horizontalrun inLength35ft
Generalrules forventing system
1.
2.
3.
4.
5.
6.
7.
19
Whenthehorizontal ventrun exceeds 5feet thefollow-
ingcriteriamustbeobserved:
Support the ventrun at3feetintervalswithoverh-
eadhanger.
Pitch downtheventrun towardthe ventterminalat
arateof 1/4inch perfoot.

20
ExhaustVentingInstallation
Thiswaterheatermustbeproperlyventedforremovalof
exhaustgases totheoutsideatmosphere.Correctinstal-
lationof thevent pipe systemismandatoryforthesafeand
efficientoperation ofthiswaterheaterandisanimportant
factorinthe lifeoftheunit.
Ventpipeinstallationmustbe performedinaccordance
withstateandlocalcodes,orintheabsence ofsuch,the
latestedition of NationalFuelGasCode,NFPA54/ANSI
223.1.Canadianinstallations mustbe performedinaccor-
dancewithCAN/CGA-B149.
VENTPIPE MATERIAL
EternalHybridWaterHeaterisagasburningappliance
withfan-assistedexhaust. Theappliancemustbevented
with4"CategoryIIIspecialventing,whichisairtightto
preventleakageofexhaustgases.
The appliancemustbe ventedseparaelyfromallother
appliances.Thefollowingtypeofnon-metallicventcanbe
used:
PVC (schedule40,ASTM-D1785)
CPVC (schedule40,ASTM-D2846)
ABS (schedule40,ASTM-D2661)
CategoryIIImetallicventing maybeusedwiththeappliance,
werecommend:
ZFlex lineofventingbyZ-Vent withadaptorNA2SVSNA04
GVentlineof venting byGrand Hall
Sealant(siliconbased)isrecommended withmetallicvent-
ing toensureproperseal.
VENTPIPE INSTALLATION
Thefollowing guidelines shouldbefollowedwheninstall-
ingtheexhaustoutletpiping:
- Venting shouldbe asdirectaspossiblewithaminimum
numberofpipefittings.
-Venting diametermustnotbereducedunless specially
noted intheinstallationinstructions.
- Support allhorizontalpipe runseveryfourfeetaccording
tolocalcodes.
-Ventsrunthrough unconditioned spaces wherebelow
freezingtemperaturesareexpectedshouldbeproperlyin-
sulatedtopreventfreezing.For horizontalruns,wrapthe
ventpipewithself-regulating 3or5wattheattape.Theheat
tape must be U.L. listedandinstalledperthemanufacturer's
instructions.
-Donotconnect thisventing systemwithanexisting vent or
chimney.
- Donotconnectcommon ventwiththeventpipeofany
otherwaterheater or appliance.
The exhaustoutlet pipingandterminationmaybeinstalled
inoneof thefollowingterminations:
1.StandardHorizontal(seepage22)
2.Vertical(seepage 22)
Allpipe,fitting,pipecement, primersandproceduremust
conformtoAmericanNationalStandardInstituteand Ameri-
canSocietyforTesting and Materials(ANSI/ASTM)stan-
dardsinthe United States.
CEMENTING PVC,ABSorCPVCPIPEandFITTING
Allprimers,cleanersand cementsmustmeetalllocal
codes and applicablestandardsoftheAmericanSociety
for Testing Materials.
Beforeusing primers, cleanersandcements,stir orshake,
makingsurecontentsareliquid.Donot useif foundtobe
lumpyorjelly-like.
1.Cutpipeendssquarelyremovingall burrsand dirt.
2. Dryfit pipeandfittingstobeconnected forproperfit.
3.Cleanpipeandfitting withaprimer/cleaner.
4. Applyathincoat of cement tofitting, avoiding pudding
inside.
5. Applyaliberalcoat ofcement topipeleaving no voids.
6.Quicklyassemblepartswhilecementisfluid.
7.Pushpipecompletelyintosocketoffitting, turningas
it goesuntilit bottoms.
8.Holdpipe andfitting together for30seconds.Then
carefullycleanoff excesswithacloth.
Allowconnectionsasufficienttimetocurebefore
disturbing.
9. Remember thatventpipes mustbe adequatelyand
securelysupported.
CUTTING OPENINGTHROUGH ANOUTSIDE WALL
ANDTERMINATOR INSTALLATION
The4"PVC,ABS or CPVC Schedule40 vent pipecanbe
runfromthewaterheaterthroughthewall orfromthe
wall tothe waterheater,whichever ismostconvenient.
Theventpipemustextendaminimumof1.5"through
theexteriorwall.Notethatinside collarsmustbeslipped
overthevent pipingbeforelocating thepipethrough the
wall.
Beforesecuringthe insideandoutsidecollarstothe
wall, useasiliconesealerbetween pipeandopeningto
ensurewaterand airtightseal.
Toprevent condensatefromcollecting intheventingsys-
temslopetheventatadownwardpitch of1/4"per12 ft.
withcondensatetrap.
Thiswaterheaterhasbeendesign certifiedbyCSAIntern-
ationalforusewiththespecifiedlisted plasticventpipe.
NOTICE !!
ForinstallationsinCanada,fieldsuppliedplastic
ventpipingmustcomplywithCAN/CGAB1491
(latestedition)andbecertified totheStandardFor
TypeBHGasVenting Systems,ULC S636 Com-
ponentsofthislistedsystemshallnotbe inter-
changedwithotherventsystemsorunlistedpipe/
fittings.Allplasticcomponentsandspecifiedprim-
ersand gluesofthecertified ventsystemmustbe
fromasingle systemmanufacturerandnot inter-
mixedwithothersystemmanfacturer'svent sys-
temparts.
Thesuppliedventconnectorand venttermination
arecertified aspartofthewaterheater.
puddling