Jacuzzi J?SN180F Operating instructions

Brand: Jacuzzi

Model: J?SN180F

Category: Water heaters & boilers

Type: Operating instructions

This manual is also suitable for

— Donotstoreorusegasolineorotherﬂammablevaporsandliquidsinthevicinityofthisoranyother

appliance.

— WHATTODOIFYOUSMELLGAS

• Donottrytolightanyappliance.

• Donottouchanyelectricalswitch;donotuseanyphoneinyourbuilding.

• Immediatelycallyourgassupplierfromaneighbor’sphone.Followthegassupplier’sinstrucons.

• Ifyoucannotreachyourgassupplier,calltheﬁredepartment.

— Installaonandservicemustbeperformedbyalicensedprofessional.

Thisenremanualmustbelefortheconsumer.Theconsumermustreadand

refertothismanualforproperoperaonandtomaintainthewaterheater.

J‐SN180F

J‐SP180F

J‐SN199F

J‐SP199F

DirectVentTanklessWaterHeater

InstallaonandOperaonManual

ANSZ21.10.3●CSA4.3

Iftheinformaonintheseinstruconsisnotfollowedexactly,aﬁreorexplosion

mayresultcausingpropertydamage,personalinjuryordeath.

WARNING

ReadthisManual

Thismanualprovidesinformaonontheinstallaon,operaon,andmaintenanceofthewaterheater.Forproper

operaonandsafety,itisimportanttofollowtheinstruconsandadheretothesafetyprecauons.

Instruconsonproperinstallaonandregularmaintenanceofthewaterheatershouldbef

ollowedtoproperly

operatethewaterheaterandtomaintainthewarranty.

Readalloftheinstruconsthoroughlybeforeinstallingoroperangthiswaterheater.

SignatureTanklessWaterHeaters



2 J‐S180F/J‐S199F

TableofContents

Thisisthesafetyalertsymbol.Thissymbolalertsyoutopotenalhazardsthatcankillorhurtyou

andothers.



Indicatesanimminentlyhazardoussituaonwhich,ifnotavoided,willresultindeathor

seriousinjury.

Indicatesapotenallyhazardoussituaonwhich,ifnotavoided,couldresultindeathor

seriousinjury.

Indicatesapotenallyhazardoussituaonwhich,ifnotavoided,couldresultinminoror

moderateinj

ury.Itmayalsobeusedtoalertagainstunsafepracces.

DANGER

CAUTION

WARNING

TableofContents.....................................................2

SafetyBehaviorsandPraccesforthe

ConsumerandInstaller............................................3

InstallaonInstrucons........................................4

 PrepareforInstallaon......................................5

 DetermineInstallaonLocaon........................6

 ChecklisttoDetermineInstallaonLocaon...11

 MounttoWall..................................................11

 RemovetheFrontPanel..................................11

 InstallaonofVenng.....................................12

 InstallaonofCondensateTrap......................14

 ChecklistforVenngandCondensate ............14

 InstallaonofPlumbi

ng...................................15

 ChecklistforPlumbing.....................................17

 InstallaonofGasSupply................................17

 ConnectEle

ctricity...........................................19

 AdjustforHighAltude...................................19

 ChecklistforGasandElectricity......................19

 InstallaonofTemperatureController...........20

 FinalChecklist..................................................21

TechnicalData........................................................22

 Speciﬁcaons...................................................22

 Dimensions......................................................23

 PressureDropandWaterFlowCurves............24

 LadderDiagr

am................................................25

OperaonInstrucons.......................................26

ConsumerOperaonGuidelinesforthe

SafeOperaonofyourWaterHeater....................27

OperangInstrucons...........................................28

 HowtoSettheTemperature...........................29

 UsingtheBathFillFuncon.............................31

 DiagnoscCodes..............................................33

Requir

edMaintenance...........................................35

 FlushingtheHeatEx changer...........................37

 ManualDrainingoftheWaterHeater.............38

StateRegulaons...................................................39

ReplacementParts.................................................40

ConsumerWarranty...............................................41

ImportantSafetyInformaon

SafetyDeﬁnions

Jacuzzisomemessharescustomercontactinformaonwithbusinessesthatwebelieveprovideproductsor

servicesthatmaybeusefultoyou. Byprovidingthisinformaon,youagreethatwecanshareyourcontact

informaonforthispurpose.Ifyouprefernottohaveyourinformaonsharedwiththesebusinesses,please

contac

tcustomerserviceandasknottohaveyourinformaonshared.Wewillhowever,connuetocontact

youwithinformaonrelevanttotheproduct(s)youregisteredand/oryouaccountwithus.



 J‐S180F/J‐S199F 3

SafetyBehaviorsandPraccesfortheConsumerandInstaller

• Toprotectyourselffromharm,beforeperforming

maintenance:

◊ Turnoﬀtheelectricalpowersupplyby

unpluggingthepowercordorbyturningoﬀthe

electricityatthecircuitbreaker.(The

temperaturecontrollerdoes notcontrolthe

electricalpower.)

◊ Turnoﬀthegasatthemanualgasvalve,

usuallylocatedimmediatelybelowthewater

heater.

◊ Turnoﬀtheincomingwatersupply.Thiscan

bedoneattheisolaonvalveimmediately

belowthewaterheaterorbyturningoﬀthe

watersupplytothebuilding.

• Beforeoperang,smellallaroundtheappliance

areaforgas.Besuretosmellnexttotheﬂoor

becausesomegasisheavierthanairandwillsele

ontheﬂoor.

• Useonlyyourhandtopushinorturnthegas

controlknob.Neverusetools.Iftheknobwillnot

pushinorturnbyhand,donottrytorepairit;call

alicensedprofessional.Forceoraemptedrepair

mayresultinaﬁreorexplosion.

• Keeptheareaaroundtheapplianceclearandfree

fromcombusblematerials,gasoline,andother

ﬂammablevaporsandliquids.

• Anyalteraontotheappliance oritscontrolscan 

bedangerousandwillvoidthewarranty.

• Alwayscheckthewatertemperaturebefore

enteringashowerorbath.

• Donotusethisapplianceifanyparthasbeen

underwater.Immediatelycallalicensed

professionaltoinspecttheapplianceandtoreplace

anypartofthecontrolsystemandanygascontrol

whichhasbeenunderwater.

• Donotusesubstutematerials.Useonlyparts

cerﬁedwiththeappliance.

• Combusbleconstruconreferstoadjacentwalls

andceilingandshouldnotbeconfusedwith

combusbleorﬂammableproductsandmaterials.

Combusbleand/orﬂammableproductsand

materialsshouldneverbestoredinthevicinityof

thisoranygasappliance.

• DonotadjusttheDIPswitchunlessspeciﬁcally

instructedtodoso.

• Shouldoverheangoccurorthegassupplyfailto

shutoﬀ,turnoﬀthemanualgascontrolvalveto

theappliance.

• Donotuseanextensioncordoranadapterplug

withthisappliance.

WARNING

CAUTION

• BURNHAZARD.Hotexhaustandventmaycause

seriousburns.Keepbackfromwaterheaterunit.

Keepsmallchildrenandanimalsawayfromunit.

• Hotwateroutletpipes leavingtheunitcanbehot

totouch.Inresidenalapplicaons,insulaon

mustbeusedforhotwaterpipesbelow36”dueto

burnrisktochildren.

Californialawrequiresthisnocetobeprovided:

CaliforniaProposion65 listschemicalsubstancesknowntothestatetocausecancer,birthdefects,death,

seriousillnessorotherreproducveharm.Thisproductmaycontainsuchsubstances,betheiroriginfromfuel

combuson(gas,oil)orcomponentsoftheproducti

tself.



4 J‐S180F/J‐S199F

Alicensedprofessionalshouldinstalltheappliance,

inspectit,andleaktestitbeforeuse.Thewarranty

willbevoidedduetoimproperinstallaon.

Theinstallershouldhaveskillssuchas:

• gassizing

• connecnggaslines,waterlines,valves,

electricity,

• knowledgeofapplicablenaonal,state,and

localcodes.

• installingvenngthroughawallorroof

Ifyoulacktheseskillscontactalicensedprofessional.

InstallaonInstrucons

InstallaonSteps

 PrepareforInstallaon......................................5

 DetermineInstallaonLocaon........................6

 ChecklisttoDetermineInstallaonLocaon...11

 MounttoWall..................................................11

 RemovetheFrontPanel..................................11

 InstallaonofVenng......................................12

 InstallaonofCondensateTrap.......................14

 ChecklistforVenngandCondensate .............14

 InstallaonofPlumbi

ng...................................15

 ChecklistforPlumbing.....................................17

 InstallaonofGasSupply................................17

 ConnectElectricity...........................................19

 AdjustforHighAltude...................................19

 ChecklistforGasandElectricity.......................19

 InstallaonofTem

peratureController............20

 FinalChecklist..................................................21

GeneralInstruconsInstallerQualiﬁcaons

DONOT

• Donotinstalltheapplia nce outdoors. 

• Donotinstalltheapplia nce inanareawherewater

leakageoftheunitorconneconswillresultin 

damagetotheareaadjacenttotheapplianceorto

lowerﬂoorsofthestructure.Whensuchlocaons

cannotbeavoided,itisrecommendedthata

suitabledrainpan,adequatelydrai

ned,beinstalled

undertheappliance.Thepanmustnotrestrict

combusonairﬂow.

• Donotobstructtheﬂowofcombusonand

venlaonair.Combusonairshallnotbe

suppliedfromoccupiedspaces.

• Donotusethisapplianceinanapplicaonsuchas

apoolorspaheaterthatuseschemicallytreated

water.(Thisapplianceissuitableforﬁllinglargeor

whirlpoolspatubswithpotablewa ter.) 

• Donotusesubstutepartsthatarenotauthorized

forthisappliance.

MUSTDO

• Theinstallaonmustconformwithlocalcodesor,

intheabsenceoflocalcodes,withtheNaonal

Fuel Gas Code, ANSI Z223.1/NFPA 54.Ifinstalledin

amanufacturedhome,theinstallaonmust

conformwiththeManufactured Home

Construcon and Safety Standard, Title 24 CFR,

Part 3280.

• Theappliance,wheninstalled,mustbeelectrically

groundedinaccordancewithlocalcodesor,inthe

absenceoflocalcodes,withtheNaonal Electrical

Code, ANSI/NFPA 70.

• Theapplianceanditsappliancemaingasvalve

mustbedisconnectedfromthegassupplypiping

systemduringanypressuretesngofthatsystem

attestpressuresinexcessof1/2psi(3.5kPa)

(13.84inW.C.).

• Theappliancemustbeisolatedfromthegassupply

pipingsystembyclosingitsindividualmanual

shutoﬀvalveduringanypressuretesngofthegas

supplypipingsystemattestpressuresequaltoor

lessthan1/2psi(3.5kPa)(13.84inW.C.).

TypeofInstallaon

• Forinstallaoninresidenalandcommercial

applicaons.

• Cerﬁedforinstallaoninmanufactured(mobile)

homes.



 J‐S180F/J‐S199F 5

PrepareforInstallaon

Partsincluded

Toolsneeded

Materialsneeded

• Youmustfollowtheinstallaoninstruconsand

thoseinCare and Maintenanceforadequate

combusonairintakeandexhaust.

INFORMATION

• Ifawaterheateris installedinaclosedwater

supplysystem,suchasonehavingabackﬂow

preventerinthecoldwatersupplyline,means

shallbeprovidedtocontrolthermalexpansion.

Contactthewatersupplierorlocalplumbing

inspectoronhowtocontrolthermal expansion.

• Shouldoverheangoccurorthegassupplyfailto

shutoﬀ,turnoﬀthemanualgascontrolvalveto

theappliance.

• Keeptheairintakelocaonfreeofchemicalssuch

aschlorineorbleachthatproducefumes.These

fumescandamagecomponentsandreducethelife

ofyourappliance.

• Tanklesswaterheater

• Pipewrenches(2)

• Adjustablepliers 

• Screwdrivers(2)

• Wirecuers

• Gloves

• Safetyglasses

Toolsthatmightbeneeded

• Hammerdrillwith

concretebits

• Saw

• Threadingmachinewith

headsandoiler

• Coredrillwithdiamond

head

• Torchset

• Coppertubingcuer

• Steelpipe cuer

Materialsthatmaybeneeded

• Soapsoluon

• Approvedvenng

• Teﬂontape

(recommended)orpipe

compound

• Heattape

• Pipeinsulaon

• Electricalwireand

conduitperlocalcode

• Airinletscreen

• Concretewallanchors

• Oponalpipecover

• Oponaltem perature

controller

• 5/8”IDPVCﬂexible

tubing

• 2conductor22AWG

wireforcontroller

• Singlegang electrical

box

• Wirenuts

• Unionsanddrainvalves



6 J‐S180F/J‐S199F

Consideraonofcareforyourwaterheatershould

includeevaluaonofwaterquality.

Waterthatcontainschemicalsexceedingthelevels

belowaﬀectanddamagetheheatexchanger.

Replacementoftheheatexchangerduetowater

qualitydamageisnotcoveredbythewarranty.

 MaximumLevel

TotalHardness Upto200mg/L

Alumin

um* Upto0.2mg/L

Chlorides* Upto250mg/L

Copper* Upto1.0mg/L

Iron* Upto0.3mg/L

Manganese* Upto0.05mg/L

pH* 6.5to8.5

TDS(TotalDissolved

Solids)*

Upto500mg/L

Zinc* Upto5mg/L 

DetermineInstallaonLoc a on

Environment

Airsurroundingthewaterheater,venng,andvent

terminaon(s)isusedforcombusonandmustbe

freeofanycompoundsthatcausecorrosionof

internalcomponents.Theseincludecorrosive

compoundsthatarefoundinaerosolsprays,

detergents,bleaches,cleaningsolvents,oilbased

paints/varnishes,andrefrigerants.Theairinbeau

ty

shops,drycleaningstores,photoprocessinglabs,and

storageareasforpoolsuppliesoencontainsthese

compounds.Thereforeitisrecommendedthat

outdoormodelsbeusedfortheselocaonswhere

possible.

Thewaterheater,venng,andventterminaon(s)

shouldnotbeinstalledinanyareaswheretheairmay

containth

esecorrosivecompounds.Ifitisnecessary

forawaterheatertobelocatedinareaswhichmay

containcorrosivecompounds,thefollowing

instruconsarestronglyrecommended.

IMPORTANTCONSIDERATIONSFOR:

 Indoor/InternalWaterHeaters

• DONOTInstallinareaswhereairforcombuson

canbecontaminatedwithchemicals.

• Beforeinstallaon,considerwhereairhasthe

abilitytotravelwithinthebuildingtothewater

heater.

• Wherepossible,installthewaterheaterina

sealedclosetsothatitisprotectedfromthe

potenalofcontaminatedindoorair.

• Chemicalsthatarecorrosiveinnatureshouldnot

bestoredorusednearthewaterheater.

 Outdoor/ExternalWaterHeatersandVent

TerminaonsofIndoor/InternalWaterHeaters

• Installthewaterheaterasfarawayaspossible

fromexhaustventhoods.

• Installasfarawayaspossiblefromairinlet

vents.Corrosivefumesmaybereleasedthrough

theseventswhenairisnotbeingbroughtin

throughthem.

• Chemicalsthatarecorrosiveinnatureshouldnot

bestoredorusednearthewaterheaterorvent

terminaon.

Damageandrepairduetocorrosivecompoundsin

theairisnotcoveredbywarranty.

WaterQuality

*Source:Part143NaonalSecondaryDrinkingWater

Regulaons

Ifyouliveinanareathatisknowntohavehardwater

orthatcausesscalebuild‐upyoumusttreatyour

waterand/orﬂushtheheatexchangerregularly.

Whenscalebuild‐upintheheatexchangerbeginsto

aﬀecttheper

formanceofthewaterheater,a

diagnosccode“LC”willdisplay.Flushtheheat 

exchangertopreventdamagetoit.Scalebuildupis

causedbyhardwatersetatahightemperature.

Youmustensurethatclearanceswillbemetandthat

theventlengthwillbewithinrequiredli

mits.

Considertheinstallaonenvironment,waterquality,

andneedforfreezeprotecon.Requirementsforthe

gasline,waterlines,electricalconnecon,and

condensatedisposalcanbefoundintheirrespecve

installaonseconsofthismanual.



 J‐S180F/J‐S199F 7

VentTerminaonClearances

INSIDE

CORNER DETAIL

FIXED

CLOSED

OPERABLE

FIXED

CLOSED

OPERABLE

[1] Aventshallnotterminatedirectlyaboveasidewalkorpaveddriveway

thatislocatedbetweentwosinglefamilydwellingsandservesboth

dwellings.

[2] Permiedonlyifveranda,porch,deck,orbalconyisfullyopenona

minimumoftwosidesbeneaththeﬂoor.

∗ ForclearancesnotspeciﬁedinANSI Z223.1/NFPA 54,clearancesarein

accordancewithlocalinstallaoncodesandtherequirementsofthegas

supplier.

 Clearancetooppositewallis24inches(60cm).

AIRSUPPLYINLET

VENTTERMINAL

AREAWHERETERMINAL

ISNOTPERMITTTED

Ref

Descripon

USInstallaons

A

Clearanceabovegrade(includingancipatedsnowline),veranda,

porch,deck,orbalcony

12inches(30cm)

B Clearancetowindowordoorthatmaybeopened 12inches(30cm)

C Clearancetopermanentlyclosedwindow *

D

Vercalclearancetovenlatedsoﬃt,loc

atedabovetheterminalwithin

ahorizontaldistanceof2feet(61cm)fromthecenterlineofthe

terminal

*

E Clearancetounvenlatedsoﬃt *

F Clearancetooutsidecorner *

G Clearancetoinsidecorner *

H

Clearancetoeachsideofcenterlineextendedabovem

eter/regulator

assembly

*

I Clearancetoserviceregulatorventoutlet *

J

Clearancetononmechanicalairsupplyinlettobuildingorthe

combusonairinlettoanyotherappliance

12inches(30cm)

K Clearancetoamechanicalairsupplyinlet

3feet(91cm)aboveifwithin10

feet(3m)hor

izontally

L

Clearanceabovepavedsidewalkorpaveddrivewaylocatedonpublic

property

*

M Clearanceunderveranda,porch,deck,orbalcony *

Youmustinstallaventterminaontobringincombusonairandexpelexhaust.

SNOW

TERMINATION

Clearance in

Ref. A also

applies to

anticipated

snow line



8 J‐S180F/J‐S199F

24"

Checkonwhetherlocalcodessupersedetheseclearances.

• Avoidterminaonlocaonsnearadryervent.

• Avoidterminaonlocaonsnearcommercialcookingexhaust.

• Youmustinstallaventterminaonatleast12inchesfromtheground

60"

(1.52m)between

terminalsat

diﬀerentlevels

12"

36"

INSIDE

CORNER

(0.91m)tovenlatedor

unvenlatedsoﬃtoreve

vent;ortoadeckorporch

(0.30m)toan

insidecorner

(0.30m)between

terminalsatsame

level

(0.61m)towallorparapet



(0.30m)between

terminalsatsame

level

12"

V V

(1.52m)vercally

betweenterminals

60"

AddionalClearances



 J‐S180F/J‐S199F 9

UnitClearances



toCombusbles

inches(mm)



toNon‐

Combusbles

inches(mm)

TopofHeater 6*(152) 2*(51)

BackofHeater 0(zero) 0(zero)

FrontofHeater 6(152) 6(152)

SidesofHeater 2(51) 1/2(13)

Ground/Boom 12(305) 12(305)

Vent 0(zero) 0(zero)

*0inchesfromventcomponentsandcondensate

drainline.

Theclearanceforservicingis24inchesinfrontofthe

waterheater.

Forclosetinstallaon,clearanceis6inches(152mm

fromthefront.

MaximumVentLength

1. Determinethenumberof90degreeelbowsin

theventsystem.(Two45degreeelbowscountas

one90degreeelbow.)

2. Refertothetabletoﬁndthemaximumvent

lengthbasedonthenumberofelbows.

3. AdjustswitchNo.1intheSW1DIPswitchif

requiredbytheapplicablenote.

1 Ifthelengthisgreaterthan21(6.4m)then

moveswitchNo.1(SW1)toOFF.

2 Ifthelengthisgreaterthan15(4.6m)then

moveswitchNo.1(SW1)toOFF.

3 Ifthelengthisgreaterthan9(2.7m)thenmove

switchNo.1(SW1)toOF

F.

4MoveswitchNo.1(SW1)toOFF.

Example: Ifyouhaveoneelbowthenyourmaximum

ventlengthis35feet(10.7m).Ifyour

actuallengthisgreaterthan15(4.6m)

thenmoveswitchno.1(SW1)toOFF.

Numberof

90°Elbows

Maxim

umventlength

0 41(12.5m)1

1 35(10.7m)2

2 29(8.8m)3

3 23(7.0m)4

4 17(5.2m)4

5 11(3.4m)4

6 5(1.5m)4

Ifyouhavealongerventlength(seeabove),switch

No.1isrequiredtobeintheOFFposion.This

ensuresthewaterheaterwillrunproperly.Blocked

ﬂuediagnosccodesandshutdowns mayresultif

switchNo.1isnotinthecorrectposion.Onthe



J‐SN199FandJ‐SP199F,themaximumwaterﬂow

capacitywillbereducedbyabout10%whenswitch

no.1isOFF.

NOTICE

to side

to front

to top

to floor/ground



10 J‐S180F/J‐S199F

FreezeProtecon

Makesurethatincaseoffreezingweatherthatthe

waterheateranditswaterlinesareprotectedto

preventfreezing.Damageduetofreezingisnot

coveredbythewarranty.

Lossoffreezeproteconmayresultinwaterdamage

fromaburstheatexchangerorwaterlines.

Withelectricalpowersupplied,thewaterheat

erwill

notfreezewhentheoutsideairtemperatureisascol d

as–22°F(‐30°C)forindoormodelsorisascoldas–4°

F(‐20°C)foroutdoormodels,whenprotectedfrom

directwindexposure.Becauseofthe“wind‐chill”

eﬀect,anywindorcirculaonoftheairontheunit

willreduceitsabilitytofreezeprotect.

Theunitmaybedrainedmanually.However,itis

highlyrecommendedthat:

• draindownsolenoidvalvesareinstalledthatwill

automacallydraintheunitifpowerislost.

Theseareavailableinakit,J‐A105.

• asurgeprotectorwithterminalsisinstalledwhich

allowsthesolenoidvalvestooperateiftheunitis

disabledduetoadiagnos ccode.Thisis

availableasJ‐A106.

Inaddion,thesolenoidvalvesshouldbeconnected

electricallytoasurgeprotectorwithterminals.This

allowsthesolenoidvalvestooperateifthewa

ter

heaterisdisabledduetoadiagnosccode.

Thefreezeproteconfeatureswillnotpreventthe

externalpipingfromfreezing.Itisrecommendedthat

hotandcoldwaterpipesareinsulated.Pipecover

enclosuresmaybepackedwithinsulaonforadded

freezeprotecon.

Intheeventofapowerfa

ilureattemperaturesbelow

freezingthewaterheatershouldbedra inedofall 

watertopreventfreezingdamage.



 J‐S180F/J‐S199F 11

MounttoWall

wallinstallaon

brackets

1. Idenfytheinstallaonlocaonandconﬁrmthat

theinstallaonwillmeetallrequiredclearances.

2. Securelyaachthewaterheatertothewall

usinganyoftheholesinthewallinstallaon

bracketswhichareatthetopandboomofthe

waterhea

ter.Ensurethattheaachment

strengthissuﬃcienttosupporttheweight.

Refertotheweightofthewaterheaterinthe

Speciﬁcaonssecon.

NOTE:Thewaterheatershouldbeinstalledinan

uprightposion.Donotinstallupsidedownoronits

side.

ChecklisttoDetermineInstallaon

Locaon

□Thewaterheaterisnotexposedtocorrosive

compoundsintheair.

□Thewaterheaterlocaoncomplieswiththe

clearances.

□Theplannedvenngwillnotexceedthe

maximumlengthforthenumberofelbowsused.

□Theplannedvenngterminaon/airintake

locaonmeetstheclearances.

□Thewatersupplydoesnot containchemicalsor

exceedtotalhardnessthatwilldamagetheheat

exchanger.

□ Astandard3prong120VAC,60Hzproperly

groundedwalloutletorother120VAC,60Hz

sourceisavailable.

□VerifythatswitchNo.1intheSW1DIPswitchhas

beenadjustedforventlengthifnecessary.Refer

tothesecononMaximumVentLength.

□Theinstallaonmustconformwithlocalcodesor,

intheabsenceoflocalcodes,withtheNaonal

Fuel Gas Code, ANSI Z223.1/NFPA 54.Ifinstalled

inamanufacturedhome,theinstallaonmust

conformwiththeManufactured Home

Construcon and Safety Standard, Title 24 CFR,

Part 3280.

RemovetheFrontPanel

1. Pressthetopandboomofeachsidecoverand

pullthesidecoverawayfromtheproduct.

2. Removethe4screwsaachingthepaneltothe

waterheater.



12 J‐S180F/J‐S199F

Manufacturer Product Telephone Fax Contact

Ubbink RoluxVentSystem 888‐835‐9320 678‐829‐1666 www.jacuzzi.com/tankless

Heat‐Fab Saf‐TVentSCsystem

Metal‐Fab Corr/GuardVent/AirIntake

System

800‐772‐0739

800‐835‐2830

413‐863‐4803

316‐943‐2717

custsvc@heat‐fab.com,

www.heaab.com

[email protected],

www.metal‐fabinc.

com

ListedandTestedVentProductsforJ‐SN180F,J‐SP180F,J ‐SN199F,J‐SP199F

InstallaonofVenng

Installthecorrectvenngforyourmodelaccordingtothevenngmanufacturer’sinstruconsandtheguide‐

linesbelow.

VenngGuidelines

DONOT

• Donotcombineventcomponentsfromdiﬀerent

manufacturers.

• Ventdiametermustnotbereduced.

• Donotconnectthevenngsystemwithan

exisngventorchimney.

• Donotcommonventwiththeventpipeofany

otherwaterheaterorappliance.

MUSTDO

• Thiswaterheaterisadirectventwaterheaterand

thereforeiscerﬁedandlistedwiththevent

system.Youmustuseventcomponentsthatare

cerﬁedandlistedwiththewaterheatermodel.

• Theventsystemmustventdirectlytotheoutside

ofthebuildinganduseoutsideairforcombuson. 

• Avoiddipsorsagsinhorizontalventrunsby

installingsupportspertheventmanufacturer’s

instrucons.

• Supporthorizontalventrunseveryfourfeetand

allvercalventrunseverysixfeetorin

accordancewithlocalcodes.

• Venngshouldbeasdirectaspossiblewitha

minimumnumberofpipeﬁngs.

• Ventconneconsmustbeﬁrmlypressedtogether

sothatthegasketsformanairghtseal.

• Theventpiececonnectedtothewaterheater

mustbesecuredwithoneself‐tappingscrew.

INFORMATION

• Refertotheinstruconsoftheventsystem

manufacturerforcomponentassembly

instrucons.

• Iftheventsystemistobeenclosed,itissuggested

thatthedesignoftheenclosureshallpermit

inspeconoftheventsystem.Thedesignofsuch

enclosureshallbedeemedacceptablebythe

installerorthelocalinspector.

NOTICE

Ifitbecomesnecessarytoaccessanenclosedvent

systemforserviceorrepairs,Jacuzziisnot

responsibleforanycostsordiﬃculesinaccessing

theventsystem.Thewarrantydoesnotcover

obtainingaccesstoaventsysteminanenclosed

environment.



 J‐S180F/J‐S199F 13

FlueInstallaon

Condensate

Trap

VercalTerminaon

(condensatecollectormustbeusedinallinstallaons)

3in(75mm)

minimum

3in(75mm)

minimum

HorizontalTerminaonusingthe

CondensateCollector

3in(75mm)

minimum

Condensate

Trap

Toadjustthecondensatecollectorposionorto

replacethefemaleventtopwithamaleventtop:

1. Loosenthe4screwsattherearbracket

2. Slidethebracketawayfromthefemaleventtop.

3. Removethe4screwsaachingthefemaleventtop

tothewaterheater.

4. Liupthefemaleventtopandreposionasdesire

d

(orreplacewithamaleventtop).

5. Installthe4screwsattheventtopandghtenthe4

screwsatthebracket.

Securetheﬁrstventcomponenttothewaterheater

withoneself‐tappingscrewattheholelocatedabove

thecondensatecollector.

Bracket

CondensateCollector

SecuringScrew

HorizontalTerminaonwithoutusingtheCondensateCollector

MaximumHeight*

5feet(1.52m)

Regionsofcoldclimatewillcreatemore

condensateintheventsystem.The

condensatecollectorshouldbeusedin

coldclimates.

Ifmorethanoneelbowisusedinthe

vercalseconthecondensatecollector

mustbeused.

*Thecondensatecollectormustbeusedin

horizontalterminaonsifavercalrisein

theventsystemexceeds5.

Ifthecondensatecollectorisnotused,thedrainpipemust

becappedtopreventexhaustgasesandcondensatefrom

enteringthebuilding.Thecapissuppliedontheappliance.

WARNING

Installthevenngterminaonaccordingtothediagramsandinstruconsbelow.



14 J‐S180F/J‐S199F

InstallaonofCondensateTrap

Condensateformaoncanoccurinhigheﬃciency

directventappliances.Withoutproperdrainage

condensatewilldamagetheheatexchanger.

Topreventcondensatedamagefollowthese

instrucons.

DONOT

• Donotallowcondensatetoenterthewater

heater.

• DonotusePVC,CPVC,ABSorgalvanizedmaterial

toventthisappliance.

• Donotconnectthecon densatedrainpipedirectly

totherainsewer.

• Donotconnectthecon densatedrainlinewithan

aircondioningevaporatorcoildrain.

MUSTDO

• Useonlyventthatisapprovedandidenﬁedas

acceptableforyourparcularmodel.

• Forvercalterminaons,installacondensatedrain

andtrapascloseaspossibletotheappliance.

• Slopethevenngtowardtheapplianceaccording

totheventmanufacturersinstallaoninstrucons.

• Allcondensatemustdrainandbedisposedof

accordingtolocalcodes.

• UseonlyPVCorCPVCpipefortheconde nsate 

drainline.

• Thecondensate drainpipe(alongitsenrelength)

mustbeatleastthesamediameterasthedrain

line,(3/8inchNPT).

• Theend ofthecondensatedrainpipeshouldbe

opentotheatmosphere.Theendshouldnotbe

underwaterorothersubstances.

• Tominimizefreezingofthecondensate,runthe

condensatedrainlinethroughaninteriorwallor

betweeninsulaonandaninteriorwall.

• Thecondensate collectorshouldbeusedforall

hydronicheangapplicaons.

ChecklistforVenngand

Condensate

□Verifyproperclearancesaroundtheventsandair

intakes.

□Ensureyouhaveusedthecorrectvenng

productsforthemodelinstalledandthatyou

havecompletelyfollowedthevenng

manufacturer’sinstallaoninstruconsandthese

installaoninstrucons.

□Verifythattheventpipehasadownwardslopeor

gradetotheoutsideof1/4inchperfoot(1.2°)

ORiftheventpipeisslopedtowardthewater

heater(assomelocalcodesrequire),thata

condensatecollectorisinstalledtoallow

condensaontodrainawayfromthewat

er

heatertoaproperdrainsource.

□Verifythatcondensatewillnotbeallowedto

drainbackintothewaterheater.

□Verifythattheventsystemdoesnotexceedthe

maximumlengthforthenumberofelbowsused.

INFORMATION

• Signaturewaterheatershaveanintegrated

condensatecollector.

• Acondensate trapis available, J‐SV016.

• Regionsofcoldclimatewillcreatemore

condensateintheventsystem.Thecondensate

collectorshouldbeusedincoldclimates.

• Thecondensate drainpipeshouldbeasshortas

possibleandhaveadownwardpitch.



 J‐S180F/J‐S199F 15

InstallaonofPlumbing

Amanualwatercontrolvalvemustbeplacedinthe

waterinletconnecontothewaterheaterbeforeitis

connectedtothewaterline.Unionsmaybeusedon

boththehotandcoldwaterlinesforfutureservicing

anddisconneconoftheunit.

DONOT

• Donotintroducetoxicchemicalssuchasthose

usedforboilerwatertreatmenttothepotable

waterusedforspaceheang.

MUSTDO

• Thepiping(includingsolderingmaterial s)and

componentsconnectedtothisappliancemustbe

approvedforuseinpotablewatersystems.

• Purgethewaterlinetoremovealldebrisandair.

Debriswilldamagethewaterheater.

• Iftheappliancewillbeusedasapotablewater 

source,itmustnotbeconnectedtoasystemthat

waspreviouslyusedwithanonpotablewater

heangappliance.

• Ensurethatthewaterﬁlteronthewaterheateris

cleanandinstalled.

PipingRequirements

PressureReliefValveRequirements

Installapressurereliefvalveaccordingtothese

instrucons.

Anapprovedpressurereliefvalveisrequiredbythe

American Naonal Standard (ANSI Z21.10.3) forall

waterheangsystems,andshallbeaccessiblefor

servicing.

DONOT

• Donotplugthereliefvalveanddonotinstallany

reducingﬁngsorotherrestriconsintherelief

line.Therelieflineshouldallowforcomplete

drainageofthevalveandtheline.



• Donotplaceanyothertypevalveorshutoﬀ

devicebetweenthereliefvalveandthewater

heater.



MUSTDO

• Thereliefvalvemustcomplywiththestandardfor

Relief Valves and Automac Gas Shutoﬀ Devices for

Hot Water Supply Systems ANSI Z21.22and/orthe

standardTemperature, Pressure, Temperature and

Pressure Relief Valves and Vacuum Relief Valves,

CAN1‐4.4.

• Thereliefvalvemustberatedupto150psiandto

atleastthemaximumBTU/hroftheappliance.

• Thedischargefromthepressurereliefvalveshould

bepipedtothegroundorintoadrainsystemto

preventexposureorpossibleburnhazardsto

humansorotherplantoranimallife.Followlocal

codes.Waterdischargedfromthereliefvalve

couldcausesevereburnsinstantly,scalds,or

death.

• Thepressurereliefvalvemustbemanually

operatedonceayeartocheckforcorrect

operaon.

• Thereliefvalveshouldbeaddedtothehotwater

outletlineandnearthehotwateroutletaccording

tothemanufacturer’sinstrucons.DONOTplace

anyothertypevalveorshutoﬀdevicebetween

thereliefvalveandthewaterheater.

INFORMATION

• Ifareliefvalvedischargesperiodically,thismaybe

duetothermalexpansioninaclosedwatersupply

system.Contactthewatersupplierorlocal

plumbinginspectoron howtocorrectthis

situaon.Donotplugthereliefvalve.

• TheAmerican Naonal Standard (ANSI Z21.10.3)

doesnotrequireacombinaontemperatureand

pressurereliefvalveforthisappliance.However,

localcodesmayrequireacombinaon

temperatureandpressurereliefvalve.

IsolaonValves

Jacuzzirecommendsinstallaonofisolaonvalveson

thecoldandhotwaterlines.Isolaonvalvesprovide

theabilitytoisolatethewaterheaterfromthe

structure’splumbingandallowquickaccesstoﬂush

theheatexchanger.



16 J‐S180F/J‐S199F

PipingDiagramforBasicInstallaon

3/4" HotWater Supply Line

Rinnai

Water Heater

Rinnai

Equipment List

Rinnai

Water Heaters

RIK-KIT (Optional)

(3/4" Fittings Include:

2 Unions, 2 Ball Valves,

2Drain Valves and

1 Pressure Relief Valve.)

QTY

For Building Fixtures

Pressure Relief Valve

3/4" Ball Valve

3/4" Union

Check Valve

Pressure Regulator

Circulating Pump

Solenoid Valve

Boiler Drain Valve

KEY

This is not an engineered drawing. It is intended only as a guide and not

as a replacement for professionally engineered project drawings. This

drawing is not intended to describe a complete system. It is up to the

contractor/engineer to determine the necessary components and

configuration of the particular system being installed. This drawing does

not imply compliance with local building code requirements. It is the

responsibility of the contractor/engineer to ensure installation is in

accordance with all local building codes. Confer with local building

officials before installation.



 J‐S180F/J‐S199F 17

InstallaonofGasSupply

MUSTDO

• Amanualgascontrolvalvemustbeplacedinthe

gassupplylinetothewaterheater.Aunioncanbe

usedontheconneconabovetheshutoﬀvalve

forthefutureservicingordisconneconofthe

unit.

• Checkthetypeofgasandthegasinletpressure

beforeconnecngthewaterheater.Ifthewater

heaterisnotofthegastypethatthebuildingis

suppliedwith,DONOTconnectthewaterheater.

Contactthedealerfortheproperunittomatchthe

gastype.

• Checkthegassupplypressureimmediately

upstreamatalocaonprovidedbythegas

company.Suppliedgaspressuremustbewithin

thelimitsshownintheSpeciﬁcaonsseconwith

allgasappliancesoperang.

• Beforeplacingtheapplianceinoperaonalljoints

includingtheheatermust becheckedforgas

ghtnessbymeansofleakdetectorsoluon,soap

andwater,oranequivalentnonﬂammable

soluon,asapplicable.(Sincesomeleaktest

soluons,includingsoapandwater,maycause

corrosionorstresscrack

ing,thepipingshallbe

rinsedwithwateraertesng,unlessithasbeen

determinedthattheleaktestsoluonisnon‐

corrosive.)

• Useapprovedconnectorstoconnecttheunitto

thegasline.Purgethegaslineofanydebris

beforeconnecontothewaterheater.

ConnectWaterHeatertoWaterSupply

Waterconneconstothetanklesswaterheater

shouldfollowallstateandlocalplumbingcodes.

Ifthisisastandardinstallaon,refertothePiping

DiagramforBasicInstallaon.

1. Plumbwatersupplytothetanklesswaterheater

onthe3/4”MNPTconneconattheboomof

theuni

tmarked“WaterInlet”,whichisthecold

watersupply.

2. Plumbthebuildinghotwatersupplytothe3/4”

MSPTconneconmarked“WaterOutlet”,which

isthehotwatersupply.

Ifapipecoverwillbeinstalled,makesurewaterlines

tothewaterheaterﬁt.

GeneralInstrucons

ChecklistforPlumbing

□Ensurethathotandcoldwaterlinesarenot

crossedtotheunitandareleakfree.

□Ensurethatapressurereliefvalveisinstalledwith

arangthatexceedstheBTUinputofthewater

heatermodel.Refertotherangplateonthe

sideofthewaterheaterforBTUinput.

□Cleantheinletwaterﬁlterbyclosingthecoldand

hotwaterinletisolaon(shut‐oﬀ)valves.Puta

bucketundertheﬁlterattheboomofthewater

heatertocatchanywaterthatiscontainedinside

theunit.Unscrewthewaterﬁlter.Rinsethe

ﬁltertoremo

veanydebris.Installtheﬁlterand

opentheisolaonvalves.

WARNING

1. Ifyouarenotknowledgeableorqualiﬁedto

installgaslinesorconnecons,thencontacta

licensedprofessionaltoinstallthegassupply.

2. Turnoﬀ120vpowersupply.

3. Turnoﬀthegas.

4. Gasisﬂammable.Donotsmokeorprovideother

ignionsourceswhileworkingwithgas.

5. Donottur

nonthewaterheaterorgasunlall

fumesaregone.



18 J‐S180F/J‐S199F

Sizethegaspipe

Thegassupplymustbeca pableofhandlingtheenre

gasloadatthelocaon.Gaslinesizingisbasedon

gastype,thepressuredropinthesystem,thegas

pressuresupplied,andgaslinetype.Forgaspipesiz‐

ingintheUnitedStates,refertotheNaonal F

uel Gas

Code, NFPA 54.Thebelowinformaonisprovidedas

anexample.Theappropriatetablefromtheapplica‐

blecodemustbeused .

1. Forsometables,youwillneedtodeterminethe

cubicfeetperhourofgasrequiredbydividingthe

gasinputbytheheangvalueofthegas

(availablefromthelocalgascompany).Thegas

inputneedstoincludeallgasproductsatthelo‐

caonandthemaxi

mumBTUusageatfullload

whenallgasproductsareinuse.

2. Usethetableforyourgastypeandpipetypeto

ﬁndthepipesizerequired.Thepipesizemustbe

abletoprovidetherequiredcubicfeetperhour

ofgasortherequiredBTU/hour.

Examp

le:

Theheangvalueofnaturalgasforyourlocaonis

1000BTU/FT

.ThegasinputoftheJ‐SN199Fis

199,000BTU/HR.Addionalappliancesattheloca‐

onrequire65,000BTU/hr.Thereforethecubicfeet

perhour=(199,000+65,000)/1000=264FT

/HR.If

thepipelengthis10feetthenthe3/4inchpipesizeis

capableofsupplying264FT

/HRofnaturalgas.

GasInputofallgasproducts(BTU/HR)

HeangValueofGas(BTU/FT

3

)

CubicFeet

perHour=

(CFH)

• Anycompoundusedonthethreadedjointofthe

gaspipingshallbeatypewhichresiststheacon

ofliqueﬁedpetroleumgas(propane/LPG).

• Thegassupplylineshallbegasght,sized,andso

installedastoprovideasupplyofgassuﬃcientto

meetthemaximumdemandoftheheaterandall

othergasconsumingappliancesatthelocaon

withoutlossofpressure.

INFORMATION

• Refertoanapprovedpipesizingchartifindoubt

aboutthesizeofthegasline.

Length

PipeSize(inches)

3/4 1 11/4 11/2

10 273 514 1060 1580

20 188 353 726 1090

30 151 284 583 873

40 129 243 499 747

50 114 215 442 662

60 104 195 400 600

70 95 179 368 552

80 89 167 343 514

90 83 157 322 482

100 79 148 304 455

PipeSizingTable‐NaturalGas

InletPressure: lessthan2psi(55inchesW.C.)

PressureDrop: 0.3inchesW.C.

SpeciﬁcGravity: 0.60

Schedule40MetallicPipe

cubicfeetperhour

Length

PipeSize(inches)

1/2 3/4 1 11/4

10 291 608 1150 2350

20 200 418 787 1620

30 160 336 632 1300

40 137 287 541 1110

50 122 255 480 985

60 110 231 434 892

80 101 212 400 821

100 94 197 372 763

PipeSizingTable‐PropaneGas

InletPressure: 11.0inchesW.C.

PressureDrop: 0.5inchesW.C.

SpeciﬁcGravity: 1.50

Schedule40MetallicPipe

CapacityinThousandsofBTUperHour



 J‐S180F/J‐S199F 19

ConnectElectricity

Thewaterheaterrequires120VAC,60Hzpowerfrom

aproperlygroundedcircuit.

Ifusingthe5footlongpowercord,plugitintoa

standard3prong120VAC,60Hzproperlygrounded

walloutlet.

ThewiringdiagramislocatedontheTechnicalSheet

aachedtotheinsideofthefrontcove

r.

WARNING

Donotuseanextensioncordoranadapterplugwith

thisappliance.

Thewaterheatermustbeelectricallygroundedin

accordancewithlocalcodesandordinancesor,inthe

absenceoflocalcodes,inaccordancewiththe

NaonalElectricalCode,ANSI/NFPANo.70.

Thiswaterheaterisequippedwithathr

ee‐prong

(grounding)plugforyourproteconagainstshock

hazardandshouldbepluggeddirectlyintoaproperly

groundedthree‐prongreceptacle.Donotcutor

removethegroundingterminalfromthisplug.

ChecklistforGasandElectricity

□Amanualgascontrolvalveisplacedinthegas

linetothewaterheater.

□Checkthegaslinesandconneconsforleaks.

□Conﬁrmthatthegasinletpressureiswithin

limits.

□Conﬁrmthatthewaterheaterisratedforthegas

typesupplied.

□Conﬁrmthattheelectricityissuppliedfrom120

VAC,60Hzpowersourceandisinaproperly

groundedcircuit.

□Anextensioncordoranadapterplughasnot

beenusedwiththewaterheater. 

AdjustforHighAltude

OntheDIPswitch,setswitches2and3tothevalues

shownintablebelowforyouraltude.Thedefault

sengfortheapplianceis0‐2000(0‐610m)with

switchesNo.2andNo.3intheOFFposion.

WhentheDIPswitchisadjusted,itisnotnecessaryto

adjustthegaspressuresengforhi

ghaltude.

Altude

Switch

No.2

Switch

No.3

0‐2000(0‐610m) OFF OFF

2001‐5200(610‐1585m) OFF ON

5201‐7700(1585‐2347m) ON OFF

7701‐10200(2347‐3109m) ON ON



20 J‐S180F/J‐S199F

InstallaonofTemperature

Controller

ControllerLocaon

MounngtheController

CableLengthsandSizes

• Thecontrollershouldbeoutofreachofsmall

children.

• Avoidlocaonswherethecontrollermaybecome

hot(neartheovenorradiantheater).

• Avoidlocaonsindirectsunlight.Thedigital

displaymaybediﬃculttoreadindirectsunlight.

• Avoidlocaonswherethetemperaturecontroller

couldbesplashedwithliquids.



Indoormodelshavetheircontrollerbuiltintothe

frontpanel.Addionalcontrollerscanbeinstalled.

Thecableforthetemperat urecontrollershouldbea

non‐polarizedtwo‐corecablewithaminimumgauge

of22AWG.Themaximumca

blelengthfromeach

controllertothewaterheaterdependsonthetotal

numberofwiredcontrollersconnectedtothewater

heater.

NumberofWired

Controllers

MaximumCableLengthforeach

ControllertoWaterHeater

1 328(100m)

2 164(50m)

3or4 65(20m)

Turnthepoweroﬀ.Donotaempttoconnectthe

temperaturecontrollerswiththepoweron.Although

thecontrollerisalowvoltagedevice,th ereis120volt

potenalnexttothetemperaturecontroller

conneconsinsidetheunit.

Donotconnectthetemperaturecontrollertothe

120VACterminalsprovide

dfortheoponalsolenoid

drainvalves.

WARNING

1. Makethreeholesinthewallasshown.

2. Runthecablebetweenthecontrollerandthe

waterheaterorthecontrollerandanother

controller.

3. Removethefaceplatefromthetemperature

controllerusingascrewdriver.

4. Connectthecabletothetemperaturecontroller.

5. Mountthecontrollertoth

ewallusingtheholes

drilledinstep1.

6. Disconnectthepowerfromthewaterheater.

7. RemovetheplasccoverfromthePCBand

electricalconnecons.

8. Threadthecablethroughtheaccessholeatthe

baseoftheunitandconnectthewirestothe

controllerter

minalsontherighthandsideboom

ofthePCB.

9. Securethecontrollercableusingtheclamp

provided.

10. ReplaceplasccoveroverPCBandthenreplace

thecoverofthewaterheater.

Outline of Remote

securing screw

1-21/32"

3-5/16

securing screw

wiring hole

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Jacuzzi J?SN180F Operating instructions

Brand: Jacuzzi

Model: J?SN180F

Category: Water heaters & boilers

Type: Operating instructions

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