WaterLogic CUBE Reference guide

CUBEManual Page50–Revision10‐8‐2018
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PRE‐INSTALLATIONPROCEDURES
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DANGER!ELECTRICALSHOCKHAZARD.
Onlyqualifiedpersonnelwhohavereadandunderstandthisentiremanualshouldattempttoinstall,
orservicethisunit,failuretodosocouldresultindeathorseriousinjury.DONOTplugintoan
electricalsupplyuntilspecificallyinstructed.

WARNING!ReadandunderstandthecontentsofthismanualbeforeattemptingtoserviceCUBE
WaterTreatmentSystem.Failuretofollowtheinstructionsinthismanualcouldresultindeath,
seriouspersonalinjury,orseverepropertydamage.Onlytrainedandqualifiedtechniciansshould
attempttoinstall,maintain,orserviceWaterlogicEquipment.

WARNING!ALWAYSSANITIZEBEFOREUSE.
Sanitizebeforeusetoeliminateanypotentialmicrobiologicalcontaminates.
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MaterialsNeeded:
 PersonalProtectiveEquipment.RubberorNitrileSafetyGlovesandProtectiveEyewear
 PhillipsScrewdriver
 TemperatureGauge
 WaterPitcherorContainertocollectwaterfromthefaucet
 5‐galloncontainerordrainbasin
 Sanitizer‐HouseholdBleach(5.25%SodiumHypochlorite)orCitricAcidBasedCleaner
 ¼”PlasticTubing,atleast4feetinlength,andassorted¼”quickconnectfittings.
 TDSMeterandTestStripsformeasuringchlorine.‐Optional
 1/8NPTFemaleThreadto¼”CompressionFitting(Usedtoconnecthosetodrainfittings)
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1. UnpacktheWaterlogicCubeWaterTreatmentSystemandcheckexteriorfordamage.
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FlushFilters
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CAUTION!FILTERFLUSHREQUIRED.
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TheCUBEWaterTreatmentSystemsaresuppliedwithafilter.Inorderforourfilterstoperformas
representedandtoprovidethebestqualitywaterpossible,itisessentialthatfiltersbereplaced
periodically.Thefrequencyoffilterchangesdependsuponyourwaterqualityandyourwaterusage.
Forexample,ifthereisalotofsedimentand/orparticlesinyourwater,thenyouwillhavetochange
yourfiltersmorefrequentlythanalocationwithlittletonosediment.Besuretoreplaceyourfilters
wheneveryounoticeadeclineintheperformance,whetheritisadrop‐inflowrateand/orpressure
oranunusualtasteinthewater.
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2. SelectAmbientWaterSelection+DispensingButton.Dispenseapproximately10litersofwaterto
removetheexcesscarbonfinesandgeneratethefilter.

NOTE:
 Filtersshouldnotbeflushedpriorto24hoursbeforeinstallationtolimitMicrobialGrowth.
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CUBEManual Page51–Revision10‐8‐2018
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Sanitizing
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SanitizeusingaHouseholdBleach(5.25%SodiumHypochloritesolution)orotherapprovedcleaner
throughoutthecoldandsparklingwatercircuits.Followallinstructionsonthesanitizerandflush
withfreshwaterthroughthefaucetuntilodorandtasteisacceptable.

WARNING!USEPROPERPERSONALPROTECTIVEEQUIPMENT
Alwaysensureproperventilationanduseproperpersonalprotectiveequipmentsuchasgloves
andeyeprotectionwhenusingchemicals.RefertoMaterialSafetyDataSheetforspecific
requirementsofeachchemicalproduct.Takeallnecessaryprecautionstopreventsanitizerfrom
contactingeyes,clothing,andanyothersurfacesincoulddamage(carpets).

3. RemovethetwoscrewsattherearofthemachinethatholdtheTopCoverinplace. 
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4. RemovetheTopCoverbyplacingyourhandsontheTopinthepictureandpushit
backwardsandthenliftituptoremove.




DANGER!HIGHVOLTAGEELECTRICALHAZARD.Unplugbeforeinspectionand
service.

5. Visuallyinspectallelectricalandwaterconnectionsforsignsofwearordamage.TheCUBEshould
notbeenergizedduringinspectionatthispoint.


6. Insertfingerintotheroundholeofthefilterhead.Pulltovertical
position.
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7. Pulltheleverstraightuptoremovethefilterassembly.Slightforcemayberequired.
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CUBEManual Page52–Revision10‐8‐2018
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8. Unscrewthefilterbody
fromthefilterheadby
turningthebaseina
clockwisedirection
9. Removethefiltercartridge
fromthefilterheadby
pullingit out.
10. Addtherequiredamount
ofsanitizingfluidtothe
emptyfilterhousing.
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11. Reinstallthefilterbodytothefilterheadbyturningthebaseincounter‐clockwise
direction.Tightenfirmlytoensureproperseal.

12. Reinstallfilterbodycontainingsanitizerinmachineandlockingthefilterinplace
byuntilit“clicks”inplace.

13. ReinstallTopCoverandsecurewithtwoscrewsholdingTopCoverinplace. 
14. Connect40‐60psiregulated,potablewatersupplytothewaterinletbulkhead
fittinglocatedonthebackoftheCubeWaterTreatmentSystem.Turnonwatersupplyandcheck
forleaks.

 DANGER!ELECTRICALSHOCKHAZARD.
Donotpluginunitunlessqualified.Onlyqualifiedpersonnelwhohavereadandunderstandthis
entiremanualshouldattempttoinstallorservicethisunit.

15. ConnectCubeWaterTreatmentSystemtopower.
CAUTION!NEVERTURNONHEATERBEFOREFILLINGHOTTANK. Green
HeaterandCompressorPowerSwitchmustbeintheO=OFFpositionwhile
thehottankisempty.Damagecouldoccurwithinoneminuteandthe
overload(highlimit)willrequiremanualresetifheateristurnedonwithan
emptyHotTank.
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CUBEManual Page53–Revision10‐8‐2018
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FilltheColdCircuitwithSanitizer
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16. Placeacontainerunderthedispenseareaanddispense2cupsofcoldwaterandthen1cupof
ambientwater.

WARNING!USEPROPERPERSONALPROTECTIVEEQUIPMENT
Alwaysensureproperventilationanduseproperpersonalprotectiveequipmentsuchasgloves
andeyeprotectionwhenusingchemicals.RefertoMaterialSafetyDataSheetforspecific
requirementsofeachchemicalproduct.Takeallnecessaryprecautionstopreventsanitizerfrom
contactingeyes,clothing,andanyothersurfacesincoulddamage(carpets).

17. LeavethesanitationfluidtostandintheColdTankfor10minutes.

FlushingtheSanitizerfromtheMachine
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18. Selectthedispensebuttonandflush10litersofcoldwaterand4litersofambientwaterthrough
themachinetodiluteandremovethesanitizerfromthecoldcircuit.Youcanuse
chlorineteststripstoevaluatethewater.

19. Oncethesanitizerodor/tastehasbeenflushedoutofthecoldsideofthemachine,
thesanitizationprocessfortheColdCircuitiscomplete.

20. Turnoffthewatersupplyattheisolationpoint.

21. Selectthecold‐watericonandthenthedispensebuttonuntilnomorewaterisbeingdispensed.

22. SwitchofftheRedPowerSwitchattherearofthemachineO=OFFandremovethe
powerleadfromtheunit.

23. UnscrewtheFilterBodyfromthefilterheadbyturningthebaseinan
anti‐clockwisedirection. 
24. Pourawaytheexcesswater.
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25. Removethenewfiltercartridgefromthepackagingandfititbyfirmlypushingitintothe
filterhead,makingsureitisfirmlyandsecurelyfitted.


ThesanitizationprocessfortheColdCircuitsisnowcomplete.
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CUBEManual Page54–Revision10‐8‐2018
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ENABLINGHOTTANK
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DuringInitialInstallationoranytimetheunitlosespower,youmustfollowtheHotTankEnabling
Procedure.

CAUTION!NEVERTURNONHEATERBEFOREFILLINGHOTTANK. Green
HeaterandCompressorPowerSwitchmustbeintheO=OFFpositionwhile
thehottankisempty.Damagecouldoccurwithinoneminuteandthe
overload(highlimit)willrequiremanualresetifheateristurnedonwithan
emptyHotTank.
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26. ConnectCubeWaterTreatmentSystemtopower.

27. TurntheRedPowerSwitchonbackofCUBEWaterTreatmentSystem.I=ON
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28. Ensuregreenheater/compressionswitchisintheO=OFF.

CAUTION!NEVERTURNONHEATERBEFOREFILLINGHOTTANK. Green
HeaterandCompressorPowerSwitchmustbeintheO=OFFpositionwhilethehottankisempty.
Damagecouldoccurwithinoneminuteandtheoverload(highlimit)willrequiremanualresetif
heateristurnedonwithanemptyHotTank.

29. PresstheHotSelectIconfor2secondsuntilitilluminates.

30. PresstheDispenseButtoncontinuouslyforaminimumof10seconds.Thedispensebacklightwill
turnRedIndicatingHotWater.
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31. ContinuetodispenseuntilwatercomesoutthefaucettoensuretheHotTankisfullbeforeturning
ontheheatercircuit.
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32. TurnontheGreenHeater/Compressorswitch.I=ON.ThisensurestheHot
WaterisfullofwaterbeforetheHeatCircuitwillenable.
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CUBEManual Page55–Revision10‐8‐2018
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CUBEDRAININGINSTRUCTIONS
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DrainingNotes
Thereare2tanksthatmustbedrainedintheCUBEWaterTreatmentSystem.
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PriortodrainingtheHotTank,turnoffGreenHeater/CompressorSwitch
(O=OFF)locatedonbackoftheCUBEWaterTreatmentSystem
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Dispense2liters(0.5gallons)ofhotwaterfromthemachine.
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AsHotWaterisdispensedfromthefaucetoftheunit,colderwaterwillbeintroducedintotheHot
Tank.SincetheGreenPowerSwitchisturnedoff,theHeaterwillnotenergizeandheattheincoming
tapwater.
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Followingthisprecautionpreventsexposingpersonnelandequipment(drains,catchbasin,etc.)to
scaldinghotwater.
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WARNING!VERYHOTWATER.UnitproducesVeryHotWaterupto203
o
F.Waterabove125
o
F
cancausesevereburnsorscalding.Hotwatershouldbedispensedcarefullyintoinsulatedcontainer
toavoidinjury.
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DisableColdandHotTanks
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1. TurnofftheGreenPowerHeaterandCompressorSwitchtodisabletheheater
andcompressor. O=OFF 
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2. Dispense2litersofwaterthroughtheHotTanktocoolthewatertemperatureintheHotTankand
avoidburns.
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WARNING!VERYHOTWATER.UnitproducesVeryHotWaterupto203
o
F.Waterabove125
o
F
cancausesevereburnsorscalding.Hotwatershouldbedispensedcarefullyintoinsulatedcontainer
toavoidinjury.
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TurnoffWaterSupplyandBleedWaterPressure
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3. Isolatetheunitfromfeedwaterbyturningoffthesupply.
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4. Dispensecoldstillwatertorelieveanypressurebuiltupinthesystem.
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5. Removethewatersupplylinefromtheunit.
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6. Installdustcaporplugintowatersupplylinebulkheadfitting.
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7. RemovetheHotandColddrainlinecapandalwaysallowtankstodrainandreinstallalldraincaps.
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CUBEManual Page56–Revision10‐8‐2018
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INSTALLATIONPROCEDURES
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SafetyandInstallationGuidelines
EnsureallLocal,State,andFederalLawsandCodesincludinghealthandsafetyguidelinesaremetwhen
installingWaterlogicEquipment.Onlyqualifiedservicetechniciansshouldattemptinstallationand
serviceofWaterlogicEquipment.
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WARNING!ELECTRICALSHOCKHAZARD.Alwaysunplug(isolatefrompowersupply)toprevent
electricalshockexceptwhereelectricaltestsarespecified.
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WARNING!IMPROPERSUPPLYORCONNECTIONCANRESULTISRISKOFSHOCK.
Connecttoa15amp120V60Hzproperlygroundedoutlet(GFIisrecommended).Ensurepolarityis
correctandalwaysusea3‐prongoutlet.Consultaqualifiedelectricianifyouhaveanyquestions.
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WARNING!USEONLYWaterlogicSUPPLIEDPOWERCORD(EL‐5001‐A).Locatesystemwithin5
feetofpowersupply.Neveruseanextensioncordoradapter.Donotuseadamagedpowercordor
plug.Keeppowercordoutofheavytrafficareasandawayfromheatsources.Donot,underany
circumstances,removegroundprongoralterthepowercord.Neverpullthepowerplugfromthe
outletwithawethandorallowtheplugtogetwet.Failuretousethesuppliedpowercordwillvoid
ULCertificationandWarranty.
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CAUTION!INDOORUSEONLY.Neverexposedtodirectsunlight,heatsources,orambientair
temperatureabove97°F(3°6C)orbelow50°F(10°C).Installindoorsandkeepunitawayfrom
excessivehumidity.Neverexposetofreezingtemperatures.Ensurethereisadequateclearance
aroundtheunittoallowrefrigerationsystemcondensertodissipateheat.Warmerenvironments
requiremoreclearancearoundtheunit.Minimumclearancearoundallsurfacesofthemachineis2‐
inches.Installswheretheambienttemperatureexceeds80°Frequireaminimumof4‐inches
clearanceforproperheatdissipationandefficientoperation.
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CAUTION!USEAWATERPRESSUREREGULATOR.Waterlogicwillnotberesponsibleforinjuryor
damagecausedbyexcessivewaterpressure.Operatingpressuremustbe40psito60psi.Beaware
anyofpotentialpressuresurgescausedbybuilding/municipalpumpingstations.
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CAUTION!USEUVSTABILIZEDSUPPLYLINES.Feedtheunitwithapotableambientorcold‐water
supplyonly.Feedwaterover105°F(40°C)candamagethetreatmentcomponents.Waterblock
devicesandexternalleakdetectorsarestronglyrecommended.Locatetheunitasclosetothewater
supplyandtheelectricalconnectionsaspossible.
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WARNING!STOREUNITEMPTY.ALWAYSSANITIZEBEFOREUSE.
Theunitmustbecompletelydrainedandsealedbeforestoringtoavoidstagnationandreduce
microbiologicalcontamination(potentialbacterialgrowth).Sanitizebeforeusetoeliminateany
potentialmicrobiologicalcontaminates 
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Pre‐installationandsanitizationproceduresasprescribedinthismanualmustbeperformedbefore
installingtheCUBEWaterTreatmentSystem.
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CUBEManual Page57–Revision10‐8‐2018
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AlwaysinstallindoorsandplacetheWaterlogicCUBEWaterTreatmentSystemonafirm,flatand
stablesurface.
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1. Attachthe¼”flexibletubingtothebulkhead
locatedatlowerrearofunit.
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AttachthePressureReducerlocatedinthedrip
traywiththeFlowArrowincorrectorientation
tothetubingalreadyattachedtotheCube.
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Connect¼”flexibletubingtotheReducerand
theWaterSupply.
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Waterlogicrequirestheuseofawaterpressureregulator.Waterfeedpressuremustbebetween
40‐60psi.
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2. Turnonthewatersupplyandcheckalloftheconnectionsforleaks. 
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3. ConnectthepowercordtothebackoftheWaterlogicCUBEWaterTreatmentSystemandtoa120
Voltsupply.
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4. TurntheRedPowerSwitchon‐I=ONposition.
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5. Theunitwillrunthroughaself‐testcycle.Oncetheself‐testcyclehas
completedtheiconwillstopflashing.
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PressureReducerisshippedinDripTray
Factor
y
PNPU‐0013‐L00‐00
DirectionofFlowArrow

CUBEManual Page58–Revision10‐8‐2018
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6. Placeacontainerinthedispenseareaforflushingprocess.Thefilterwillnow
needtobeflushed.
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7. TurnoffboththeRedPowerandtheGreenHeater/CompressorSwitch’s.
O=OFF
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NOTE:SwitcheshaveinternalLEDthatilluminateswhenplacedinI=ON
position.
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CAUTION!NEVERTURNONHEATERBEFOREFILLINGHOTTANK.
GreenCompressor/HeaterSwitchmustbeintheO=OFFpositionwhiletheHotTankisempty.
Damagecouldoccurwithinoneminuteandtheoverload(highlimit)willrequiremanualresetif
heateristurnedonwithanemptyHotTank.
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8. SelecttheAmbientWaterIconfollowedbythemaindispensingbutton,dispense10litersofwater.
Thiswillremoveexcesscarbonfinesandsufficientlygeneratethefilter.
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9. PrimetheHotTank.Holdingacontainerunderthedispensingfaucet,pressthehotbuttonuntilit
lightsup.Whilethehotwatericonislit,selectandholdthecentraldispensebuttonuntila
continuousflowofwaterisobtained(thiscouldtake2to4minutes).Onceacontinuousflowis
obtained,flush5litersofwaterbycontinuingtoholdthehotbutton.HotTankisnowfull.
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10. PrimetheColdCircuit.Holdingacontainerunderthedispensingfaucet,Selectandholdthecold‐
watericonuntilitlightsup.Whilethecold‐watericonislit,selectthecentraldispensebuttonto
startfillingthecoldtankwithwater.Afteroneminute,themachinewillautomaticallyun‐selectthe
centraldispensebutton.Repeatselectionofthecentraldispensebuttonuntilthecoldtankhasfilled
andwateriscomingoutofthefaucet(thiscouldtake2to4minutes),pressandholdthemain
dispensingbuttonuntilacontinuousflowofwaterisobtained.Onceacontinuousflowisobtained,
releasethedispensingbutton.Coldtanksarenowfull.
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11. PrimetheAmbientCircuit.Holdingacontainerunderthedispensingfaucet,Selectandholdthe
Ambientwatericonuntilitlightsup.WhiletheAmbientwatericonislit,selectthecentraldispense
buttontostartfillingtheAmbientlinewithwater(thiscouldtake10–20seconds).Continueto
dispense15‐20fluidouncesmoreofwaterthroughtheambientoption.
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12. TurnontheGreenHeater/Compressorswitchattherearofthemachine.
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CUBEManual Page59–Revision10‐8‐2018
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13. TheCUBEWaterTreatmentSystemwillnowbegintoheat/chillthewater.Thehotwatershould
beuptooperatingtemperatureafter8to10minutesandtheoldwaterwilltakebetween60to90
minutestochill.

14. Tastetestthewater,ifthereisanyhintoftasteinthewater,flushanadditional1½gallonsofhot
water,then1½gallonsofcoldwater.Doanothertastetestandifnecessaryrepeattheflushagain.

15. VerifythattheUVLampoperatesasexpected(noUVLampalarmwillsoundonthedisplay).

WARNING!ULTRAVIOLETRADIATION.Protectyourskinandeyesagainstultravioletrays.
NeverlookdirectlyatanoperatingUVlight.Alwaysdisconnectbeforeremoval.

16. MovetheWaterlogicCUBEWaterTreatmentSystemintoitsfinaloperatingposition.Besurethata
minimumof2”clearanceismaintainedaroundboththesidesandthebackoftheunit.Thisis
importanttoallowproperairflowandheatexchangeofrefrigerationsystem.

17. WhentheunithasreacheditsHotTempSetPoint,theheaterwillcycleoff.Whentheunithas
reacheditsColdTempSetPointTemperature,thecompressorwillcycleoff.

18. Oncetheunitisatthetargettemperature(s),samplethewatertoensurewatermeetsexpectations
anadditionalrinsingoradjustmentisnotrequired.

19. Checktheunitforanyleaks.ExternalLeakProtectionisalwaysrecommended.
