Jacuzzi J-SN180W User Manual


 JacuzziSignatureWaterHeatersJ‐S180/J‐S199 11
MaximumVentLength(IndoorModels)
FreezeProtecon
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(tan
switches)
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OFF.
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
Maximum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.
NOTICE
Makesurethatincaseoffreezingweatherthatthe
waterheateranditswaterlinesareprotecte d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heater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water
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failureattemperaturesbelow
freezingthewaterheatershouldbedra inedofall 
watertopreventfreezingdamage.
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Jacuzzi J-SN180W Specifications

General

Brand	Jacuzzi
Model	J-SN180W
Category	Water Heater
Language	English