Aqua ND3 User manual

AQUASaunaHeater
2E002-23-10-12
AQUASaunaHeaterManual
ThankyouforchoosingtobuyourAQUASaunaheater;pleasetakethetimetoread theseinstructions
beforeyou beginastheycontainimportant information aboutthe installationandmaintenancerequirements.
AQUAsauna heatersareavailableinspecificationsfrom3kwto9kwand areequipped withourOC-SA
digitalcontroller.Withthisnotonlycan youcontrolthe temperatureand timeduration ofyoursauna bathbut
alsothelightof the saunaroom,alterthetemperaturedisplaybetween Centigrade and Fahrenheit; aswell as
displayingthe sauna heater sstatus.
EveryAQUAsauna heateristhoroughlytested beforeleavingthe factory.
IMPORTANT
•Read themanualbeforeinstallation andoperation and then keepit forreference
•Thisequipment mustbeinstalled bycompetent person
•Thisequipment mustbeconnected toan all poleisolatorofthe correct rating
•Disconnect thepowersupplybeforeexposingelectricalconnections
•Confirmthe rightvoltagetoyoursauna heater1or3phase
•Thesaunaheatershouldnot beusedforanyotherpurpose
•Donot coverthe heaterorallowcontact withflammablematerialssuchastoweling –Risk offire.
•Donot operatesaunaheaterwithout sauna stone
•Donot touchthe heaterwhen operationalasit isveryhot
•When thisheaterisused inan unsupervised and/orpubliclocation withthe advanced timersettingan
interlock mustbeprovided forthe door –see furtherdetailsunderdoorinterlock inchapters3&4of
theseinstructions.
SAFETYPRECAUTIONSFORSAUNA
•Elderlypersons,pregnantwomen,orthesesufferingheartdisease,highblood pressure,diabetesor
not ingoodhealthareadvised toseekmedicalopinion beforeusingasaunaroom;
•Donot smokeinthe saunaroom;
•Avoidusingthe saunaroomimmediatelyafterstrenuousexercise;
•Donot usethesauna roomwhen undertheinfluenceofalcohol;
•Leavethe saunaroomat onceifyoufeelsleepy, sick oruncomfortable;

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•Ensurethereisgood ventilation forthe sauna room
•Wedo notrecommend thisproduct isusedbychildren under16yearsoldunlesstheyaresupervised
byan adult
•Thisapplianceisnotintended forusebypersonsincludingchildren withreduced physical,sensoryor
mentalcapabilitiesorlack ofexperienceunlesstheyhavebeengiven supervision orinstruction
concerningthe usebyaperson responsiblefortheirsafety
•Commercialoperatorsshouldpost anoticeoftheseprecautionsinaprominent position
ChapterOne:Specification
1. Parameterand sizeofsaunaheater(chart1)
power imput size(mm)Code
Model (Kw) 1N 3N
L W H
Heat
element
quantity
Sauna
stone
（Kg）
ND3 0CS30 3.0 230V 410 280 570 2 12-14
ND4 0CS40 4.0 230V 410 280 570 2 13-15
ND4.5 OCS45 4.5 230V 400 410 280 570 3 14-16
ND6 OCS60 6.0 230V 400 410 280 570 3 16-18
ND8 OCS80 8.0 230V 400 410 280 570 3 18-20
ND9 OCS90 9.0 230V 400 410 280 570 3 18-20
2.Parameterand sizeofOC-SAcontroller(chart2)
Input Output Load power Size(mm)
Model 1N~
3N~ 1N~ 3N~ (Kw) L W H
OC-SAI 230V 230V 3~4 248 217 78
OC-SAII 230V 400V 230V 400V 4.5~9 280 217 78
3.Parameterand sizeoftemperaturesensor(chart3)

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Detected scope Cut offon hightemperature Size(mm)
Model℃℉
℃℉L W H
OC-S 0~110 32~230 120 248 76 42 27
4.CircuitDiagramforsaunaheaterand controller
i.Saunaheatercircuit diagram(Fig1)
OC30~OC40 Circuit diagramOC45~OC90 Circuit diagram
(Fig1)
ii.Circuit Diagramforcontroller (Fig2, Fig3)
（fig2）

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(Fig3)
ChapterTwo:frameand functions
1. Saunaheaterframeand parts
(1)Sauna heaterframe (Fig4)
(Fig4)

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(2)Parts(Chart 4)
No. parts description
1 Innershell Holdheatelement and saunastone
2 Stone bracket support the sauna stone
3 Shell Insulatethe innershell toprevent fromscalding
4 Heat element heating
5 Fixbracket Fixsauna heateronwall
6 CoverPanelCoverthe electricalparts
7 terminal Connect the powersupply
2. Controllerframeand parts
•Controllerframe(Fig5)
(Fig5)
•KeysandLEDinstruction (Chart5)
Chart5
No. Parts Description
1 OverHeat LED IndicatorLEDonwhen saunaoverheats(serioushazard)(Reset
Manually)
2 Wait LED IndicatorLEDwhen timerison (BModel)
3 InterLock LED IndicatorLEDforinterlock switch(Reset )
4 HeatingLED IndicatorLEDon when heating
5 Heat preservation LEDIndicatorLEDforHeat preservation (one element remainson)
6 AmodelLED IndicatorLEDforAmodelwhen heaterison
7 BmodelLED IndicatorLEDBmodel,meanssaunaheaterisatimer
8 Light LED IndicatorLEDwhen lampison insaunaroom

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9 TempdisplaywindowsDisplaysthe temperatureofsauna room
10 Timedisplaywindow Displaysthe timeremainingforthe timerorheating.
11
TimeIncreasebutton
“▲” Increasebutton
12 Timedecreasebuttonor
“▼” Decreasebutton
13 Modelswitchbutton Switchbetween timerand heatingprogram
14 oC/ oFbutton Switchthetemperaturedisplaybetween centigrade and
Fahrenheit
15 Light Pushforafewsecondstoturnonthelight insaunaroom
16 ON/OFF Pushtoturnthe heaterOnorOff
17 TempIncreasebutton
“▲” Increasebutton
18 Tempdecreasebutton
“▼” Decreasebutton
19 Controllershell Protectstheelectronics fromdamageorusersinjury.
3.Tempsensorframeand parts
•Tempsensorframe(Fig6)
(Fig6)

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•Tempsensorinstruction (chart6)
Chart6
No. Parts Description
1 Circuitboard Circuitboard
2 Bracket Bracket
3 Cover Protectstheelectronics
4 Heat resistance Detectstemperature
5 HighTempcut ofswitch Whentemperatureinsaunaroomexceed120 oCor248
oF
ChapterThree:installation
1. Important
•Thisapplianceisintended foruseinsauna cabinswherethe contactsurfacesofwalls,benchesare
constructed fromtimbershavinglowheatabsorptioncharacteristics suchasspruce,aspen,hemlock
and cedar,densetimberssuchasoakorbeecharenotrecommended.The roofshouldbewell
insulated toreduceheat loss
•Saunacabinsshouldbeventilated withalowventbelowthe baseofthe heaterand ahigherventinan
oppositewall that will allowaconstant streamoffreshairtoflowthroughthe cabinduringuse.
•Confirmthe modelyou haveselected issuitableforyoursaunaroom, pleaserefertochart 7
•Ensurethepowersupplyissuitableforthe sauna heater
•Isolatethe powersupplybeforeinstallation
•Theinstallation position mustcomplywiththe minimumdistanceinchart7;alsoconsiderthesafety
and convenience(chart 8)
•Theminimumheight ofyoursaunaroommust be1900mm,pleasereferfig7C
•Donot install the saunaheateronthefloororinacabinet
•Donot coverthe sauna heaterback withasbestoscement orsimilarmaterial
•Thewirewhichentersthesaunaroommust betype60245IEC66HO7RN-Fpleaserefertochart 7
•Donot install twoormoresauna heatersinone saunaroom.
•The sauna heaterbecomesveryhotwhen operatingand mustbeguarded toprotectincaseof
accidentalcontact, pleaseseethesizesinfig7Dand alsorefertocharts7&8
•Theuppersupportingscrewsmustbefixed tightly,thereisa3mmgapbetween thescrewhead and

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wall(referfig4A,fig4B),additionalretainingscrewsshouldbeinserted intothe roundholestoprevent
the heaterbeinglifted.
•Thesaunacontrollershouldbeinstalled onadrywall outside the saunacabin
•The controllershouldbekeptataheightofbetween 1200MM-1500MM sothatitiseasilycontrolled
and operated
•Temperaturesensorsshouldbeinstalled insauna roombutnotdirectlyabovesauna heater,theheight
shouldbe1500-1800mmfromfloor.The horizontaldistancetosauna heatershouldexceed500mm
•Ifinstalled intoapubliclocation and the advancetimeristobeused adoorinterlock mustbeinstalled.
Chart 7
Saunaroom Mindistancefromsauna
heaterto（mm）wire（mm2）
current（A） Fuse（A）
Volume
（M3）
model
Min Max
Min
height
(mm)
Distance
toshelf
over
500mm
above
the floor
Ceiling floor
230V
1N
400V
3N
230V
1N
400V
3N
230V
1N
400V
3N
0CS30 2 4 1900 50 1100 180 3×1.5 13 20
0CS40 3 5 1900 50 1100 180 3×2.5 17 25
OCS45 4 6 1900 80 1100 180 3×45×1.5 19.5 6.5 25 10
OCS60 5 8 1900 150 1100 180 3×45×1.5 27 9 40 16
OCS80 7 11 1900 200 1100 180 3×65×2.5 35 12 60 20
OCS90 8 12 1900 200 1100 180 3×65×2.5 39 13 60 20
Fig7Afig7Bfig7C

AQUASaunaHeater
10 E002-23-10-12
Fig7Dchart 8Fig8
2. Installation forsaunaheater
•Referthe installation drawingfig7A,7B,Fixscrewsand hangsaunaheateronwall and securein
placebyinsertingascrewthroughthe holeinthesecuringplatesoastopreventthe heaterfrombeing
lifted offitsmounting.
•Removethe coverpanel&connectpowersupplywire&controlcablethrough theknock-outholesto
the Terminalasperfig8and replacethe coverpanel.
3. Installation forcontroller
•Controllershouldbeinstalledon the outside drywall
•Fixascrewat1200-1500mm highon the wall outside wall ofthe sauna cabinleaving approximately
3mm protruding. Fixretainingscrewsthrough2ofthe roundholes.
•Removethe screwon thebaseofcontroller&openthecover,removethe knock outforthe control
wireentry.
•Locatethe holeofcontrolleron tothe protrudingscrew,then fixinplaceusing2furtherscrewsthrough
the holesintheback ofthe controlboxdirectlyintothe sauna cabinwall.
•Connect the wiresinaccordancewiththe drawingand ensureall connectionsaretightlyfastened.
•Replacethe coverand fasten.
4. Installation forTempsensor(fig9)
•Install thetemperaturesensoron the height between 1500-1800MM insaunaroom
•Open the coverwithascrewdriver
•Fixthe bottomofthe temperaturesensoron towall withscrew
•Replacethe cover.

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(Fig9)
3.Saunaheater, controllerand temperaturesensorconnection drawing (Fig10A, Fig10B, Fig10C)
4.Doorinterlock install theswitchfollowingthemanufacturersinstructionsand connectthewires
back tothecontrol boxas showninfigure10A.10B.10Cbelow
(Fig10A)
(Fig10B)

AQUASaunaHeater
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(Fig10C)
HeaterGuard(notsupplied)
The heatershouldbeguarded againstaccidentalcontactwithawooden guardsimilartothe one shownbelow
–accordingtotheposition ofthe heaterwithinthe cabinitmayneed tobeguarded on 2or3sides.
Fixthe guardinplacearoundtheheaterbydrillingscrewingaccordingly.
Itisimportantthatthetop rail oftheguardissetatleast25 mm belowtherimoftheheatersuchthatit
does notreceiveheatradiation directlyfromtheheaterrocks.
ChapterFour:Testing andoperation
1. Testing
•Aftercheckingthat thesauna heaterinstallationiscorrect, put the sauna stone inplace(notewe
recommend washingthe stonesthoroughlyinwatertoremoveanydust beforethe first use). Put the
largerstonesatthebottomandsmallerstonesontop.Takecarenottopack the stonestootightlyother
wisethe airwill not beabletocirculatearoundtheelementswhichcan causeprematurefailure, but do
makesuretocoverthe elementscompletely. Notethat it willbenecessarytochangethe stonesfrom
timetotimeastheywill graduallycrumblewithuse. Forcommercialusersthisisprobablyeveryyear,
fordomesticusersonceeveryseveralyears, dependingupon use.(Fig11)

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(Fig11)
•Beforeconnectingtothe powersupplycheck the sauna heaterandmakesurethereareno flammable
itemson oraround the heater,pleasenotethaton the firstusetheelementsandstonesmaysmoke
slightlyand giveoffasmell –pleaseensurethesauna cabiniswell ventilated.
•Connecttopowersupply,press “ON/OFF “,tempand timewindowswill displaydata,LEDshowsthe
saunasheatingstatuswhen the light ison, the temperatureofsauna roomwillriseand willachievethe
preset temperature(the default settingsare70 ℃/158℉, worktimeis2hours)chart 9
•When the timehasfinished countingdownandthetimewindowdisplays “0”,thecontrollerand heater
will shut downautomatically.
•Thesaunaheaterhasasequentialheatingfunction sothatthe heatercan workeconomically.When
the heaterisfirstturned on all the elementswill worktogethertoreachthetargettemperature,when the
target isreached oneelement will beleft workingtokeepthe target temperatureconstant (forOCS30,
OCS40 ,onebankwill stop).When sauna roomtemperaturegoes2℃/ 4 ℉abovethe target
temperatureall heatelementswill stop.When the temperatureofthe sauna goesbelowthe target
temperature, one bankheatelement will workagain, when the temperaturegoes2℃/ 4 ℉belowthe
target temperature, all heat elementswill workagain.
•Light button: Turnssaunalight on/off
•Usetemperatureswitchbutton tochangethetemperaturedisplaybetween centigrade and Fahrenheit
•The Controllerhasatimingdevicesoyou can setatimewhen you wantthe heatertopowerup,this
can besetfrom0~12 hoursasshowninthe Chart9 below.When the controllerisinBModel(Timer
mode)the heatercantoperate,butwhen BModelreaches “0”orthe “ModelButton”ispressed the
heatingfunction will start (AModel).Thisisexplainedmoreat the bottomofthispage.

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Chart9
DefaultTempTemperatureadjust scope
ModelDefaultmodel ℃℉℃℉
A 75 167 50~110 122~230
A 75 167 50~110 122~230
Default time Timeadjust scope
Workingtime WaitingWorktime Waitingtime
2hours 4hours 30 minutes~6hours 0~12 hours
The timeadjustmentdifferenceforevery
press
The temperatureadjustment difference
foreverypress
OC-SAI
OC-SAII
10minutes 1℃/2℉
2. Setting timeand temperature:
•The defaultsettingsfortemperatureare:75℃/167 ℉.Forpresetoperation time:2hours. Thesecan
beadjusted easily, ifthe electricitysupplyislost the controllerwill returntodefault settings.
•When the sauna isturnedonthetimesettingswill workunderAmodel(AmodelLEDison),thetime
windowwill displaythelasttimethat wasset. Toadjustpress thetimeadjustbutton “▲” or “▼”,every
press the timewillincreaseorreduce10 minutes.When you reachthe timewant, waitand after5
secondsthe timewindowwill stopflashing, nowthe settingisconfirmed.
•Tosetyourheatertocomeon atacertaintime(forexample: ifyou plan towatchafilmand want the
sauna tostart heatinguphalfwaythroughsoitsreadyat theend ofthefilm) you canusethe Bmodel
settingwhichcan beset ifyou press the “Modelbutton”andthe timewindowwill display 4:00,now
press the “timeadjust button”(the timewill nowflash) “▲” or “▼ ”and set the amount oftimeyou want
until theheaterwill turnon waitfivesecondsand thedisplaywillstopflashingnowthe timeisconfirmed
and will startcountingdown,when itreaches “0”itwillswitchovertoAModeland theheaterwill turnon.
(Remembertoset the timeyouwant the heateron foron AModelbeforesettingBModel)
•Forquick timeadjustment: holdthe “▲” or “▼” and it will count continuouslyupordown, when it
reachesthetimeyou want releaseandit willstop. It will confirmafter5seconds
•Temperature: bypressingtemperaturedisplayswitchbutton youcanswitchbetween centigrade and
Fahrenheit.
Toadjust temperaturepress “▲” or “▼” (the displaywill flash)nowpress the tempadjust button “▲” or
“▼”, eachpress the temperaturewill increaseorreduce1 ℃or2 ℉.When youreachthe
temperatureyouwant waitfor5secondsand the tempwill stopflashingwhichmeansit isconfirmed.

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Forquick temperatureadjustment: holdthe “▲” or “▼” and it will count continuouslyupordown, when
it reachesthetemperatureyou want releaseandit will stop. It willconfirmafter5seconds
3DoorInterlock
When used incommercialsituationssuchaspublicbuildingswherethe countdowntimerisset tocomeon
inadvancethedoorinterlock switchmustbeconnected asdescribed inFig2&3 –beforethetimerissetto
comeon inadvancethesaunaroommust bechecked bythe responsibleperson toensurethereisno
hazardsuchascombustiblematerialleft overthe sauna stoveetc –then the sauna cabindoormust be
closed beforethe settingcan bemade –oncethe advancetimerbeginsthe countdownsequenceifthe
doorisopenedthetimingwill stopand will not restart againuntil it isreset.
ChapterFive:Troubleshooting Guide
PleaseNotethatwerecommend asuitablyqualifiedperson carries outall repairs.
Troubledescription Cause Solutions
Thereisnodisplayon
the controlpanel
when the on/off
switchispressed
Thereisaproblemwith;
1.powersupplyor
2.circuit boardtransformer
or
3.fuse
1.Check the powersupply. Ifthe power
supplyindicatorLEDL1 (red)ison,
check the wire
2.Changethe controller
Thecontrollerison
but the sauna heater
doesn t work
1. The saunaheaterhasn t
been connected
2. Thereisaproblemwith
the controller
1.Check the connection, referto (Fig2
and Fig10)
2.Changethe controller
OverHeat LEDison
1.Thetemperaturesensor
hasn t been connected
correctly
2. The hightemperaturecut
offswitchisturned off
1. Check theconnection totemperature
sensor
2.Check ifthe hightemperaturecut off
switchisturned off, ifyes,reset by
hand

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InterLock LEDison
Duringthe advancetimer
countdownsequence,the
sauna roomdoorhasbeen
opened , the timingstoped
and will not restart again
until it isreset.
Reset counterdowntimer
Wait LEDison Sauna heaterisunder
Bmodel
Press the Modelbutton tochangetoA
model(heatingMode)
Temperaturewindows
display--L℃(or
)or --H (℃or ℉)
1.Tempsensorisn t
connected orcableis
broken
2.Thetemperatureis
lowerthan 0 ℃(or
32℉),
Thetemperatureis
higherthan 115 ℃(or
239℉)
1. –L℃(or ℉)meanstemperature
sensorhasn t connected orthe
temperatureislowerthan 0 ℃(or
32℉), check theconnection,cableor
changesensor
2. –H ℃(or℉)meansthereisashort
circuit inthe temperaturesensororthe
temperatureishigherthan 115 ℃(or
239℉)check theconnection, cableor
changesensor
3.Changecontroller
ChapterSixMaintenance
Werecommend thatyouinspect thesaunaheateronaregularbasisforanysignsofdeterioration ofthe
condition, payparticularattentiontoboththefastenings, the condition ofthewiringand the electricalelements.
Noteifthe rocks havestarted tocrumblethiscan causetheelementstooverheat andtheyshouldbechanged
fornewrocks.Werecommend commercialoperatorstochangethe rocks atleast oncevery12months.
ChapterSeven:Warranty&AfterSales
All AQUASauna Heatersareguaranteed for1yearsfromthe dateofpurchaseagainstfaultymaterialsor
workmanship.The guarantee excludesconsumableitemssuchastheelectricalelementsandfaultsarising
frommisuseorabuseofthe appliance.
Forwarrantyclaimsand aftersalesservicepleasecontactyourlocaldealer.

AQUASaunaHeater
E002-23-10-1217
AQUAS.p.A.
ViaTonino Crotti1
I 42018 San Martino inRio(RE)ITALIA
Tel. [phone] r.a.
Fax[phone] ServizioCommerciale
Fax[phone]
Amministrazione
e-mail [e-mail] web www.aqua.it