the+/‐keywilladjustthecurrentfrequency.Thisfrequencywillbestoredautomaticallyafterflashingfor3seconds.Witha
thirdpress,thepanelwillshowtheradiochannel.Pressthe+/‐ keytoselectpre‐storedradiostations(thepanelwill
automaticallyshowthepreviousradiofrequencyafteryoustopadjustingfor3seconds).Withalongpressfor5seconds,the
systemwillautomaticallysearchforradiofrequenciesagainandstorethesearchedfrequenciesatadifferentchannel
sequentially.
Heatingsystem:Afterthecontrolsystemsarereadytowork,theheaterwillstartworking60secondsafterthecirculation
pumpisactivated,unlessthetemperaturesensordetectsthatthesettemperatureislowerthanthedetectedone.When
thewatertemperaturereachesasettemperature,theheaterwillstopworkingautomatically.Whenthewatertemperature
isunder2°ofthepresetone,theheaterwillreactivate.Thesymbolfortheheaterislocatedabovethecirculationpump
symbol,itappearsaspulsingbubbles.
NOTE:Theheaterwillnotbeactivatedifthereisnotenoughwaterflow.
Interlockedsystembetweentheheaterandpumps:PressingandholdingtheON/OFFkeyagainfor20secondswillchange
thesystembetweeninterlockmodeornon‐interlockmode(theindicatorlightontheON/OFFkeyshowsREDininterlock
mode;whileitshowsGREENinnon‐interlockmode).Whenininterlockmode,theheaterwillstopwhenyoupressanyof
thepumpandbubblekeys.Thisfeatureismeanttoreducethepowerneededforthespasothatitcanmatchthepower
limitofsomecountries(1x16A).Innon‐interlockedmode,theheaterwillkeeprunningwhentheotherpumpsare
activatedunlessthewatertemperaturereachesthesettemperature.NOTE!Thatrequiresatleasta2‐phaseconnectionif
thetotaleffectforpumpsandheatingexceeds3680W.
Temperaturesensorself‐checkingsystem:IfE1isdisplayedonthepanel,thenthetemperaturesensorisdisconnected.In
thissituationcheckthewiringofthetemperaturesensortoseeifit’sproperlyconnected.IfE0isdisplayedonthepanel,
thenthetemperaturesensorhasshort‐circuited.Inthiscase,thetemperaturesensormustbereplaced.Theheatingsystem
cannotbeactivatedunderthetwoabovesituations.
Water‐lackingprotectionsystemforcirculationpumpandheater:Indailyusage,ablockageofthefiltrationmedium
(cartridgefilterorfilterbag)willeventuallyoccur.Asevereblockagewillleadtoalackofwaterforthefiltrationpump.Airin
thesystemoftenleadstothesameproblem.Forinstance,duringstartupifaerationhasnotbeenperformedaccordingto
theinstructionsinthemanual.Whenthereisalackofwater,thefiltrationpumpandheaterwillstopworkingautomatically.
Atthismoment,thesymbolofthefiltrationpumponthecontrolpanelwillflashcontinuously,toremindtheuserthat
itistimetocleanorreplacethefiltrationmedium.Aftercleaningorreplacingthefiltrationmedium,pressON/OFFseveral
timestoexpeltheairinsidethepipeuntilthefiltrationpumpworksnormally.
Frostprotectionmode:Ifthewatertemperaturedropsbelow10°Candthecirculationpumpspressureswitchhasnotbeen
activated(mayoccurduringfillingifthereisairinthesystem),thesystementers"Frostprotectionmode"andtheairpump
starts.WhenFrostprotectionmodeisactivated,nosymbolsappearonthedisplay.NOTE!ThesystemgoesintoFrost
protectionmodeonlyifthepressureswitchisnotactivated.Thenthepumpsymbolflashesinthelowerrightcorner,when
theOn/Offbuttonispressedtheairpumpstarts.Torestartthepump,thepowermustbedisconnectedandreconnectedvia
theserviceswitch.Whenthepumppressureswitchisactivated,thesystemwillnormallyresume.
Manualworkingmode:Turnonthespa,thenpressandholdthekeyfor3secondstoentermanualmode(theindicatorlight
onthekeywillshowGREENwheninmanualmode,indicatorkey3willlightup).Ifisselectedthefiltrationpump
(andthusthefiltration)isoncontinuously,24hperdaywithoutstoppinginbetween.
Automaticworkingmode:Automaticworkingmodeisonbydefault.Pressandholdthekeyfor3secondstoswitchoverto
automaticmode(Thebuttonwilllightup).Thecirculationpumpstartsandrunsfor1hour(thedisplaypanelwillcycle
between"ON"andwatertemperature,indicatorkey1willlightup).After1hourthepumpwillstopfor3hours(thedisplay
panelwillcyclebetween"OFF"andwatertemperature,indicatorkey2willlightup).Aslongasthesystemisinautomaticmode
thisfiltrationcyclewillrepeatindefinitely.
Thekeys1,2and3(FILTERPROGRAM)arenon‐functionalkeysandonlyactasindicators.