Coway CHP-04AU Water Dispenser User Manual


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• Forpartsandserviceavailability,pleasecontactyourlocaldealerorCoway.
• Thissystemisacceptablefortreatmentofinuentconcentrationsofnomorethan27mg/Lnitrateand3mg/L
nitriteincombinationmeasuredasNandiscertiedfornitrate/nitritereductiononlyforwatersupplieswitha
pressureof2.8kgf/cm
2
(40psi)orgreater.
• Anitrate/nitritesamplingkitshouldbeusedtomonitorthenitrate/nitritelevelsinyourproductdrinkingwater
atleasteverysixmonths.KitsmaybepurchasedfromyourlocaldealerorCoway.
• Thissystemhasbeentestedforthetreatmentofwatercontainingpentavalentarsenic(alsoknowasAs(V),
As(+5),orarsenate)atconcentrationsof0.050mg/Lorless.Thissystemreducespentavalentarsenic,but
maynotremoveotherformsofarsenic.Thissystemistobeusedonwatersuppliescontainingadetectable
freechlorineresidualatthesysteminletoronwatersuppliesthathavebeendemonstratedtocontainonly
pentavalentarsenic.Treatmentwithchloramines(combinedchlorine)isnotsucienttoensurecomplete
conversionoftrivalentarsenictopentavalentarsenic.PleaseseetheArsenicFactssectionofthisPerformance
DataSheetforfurtherinformation.
• Eciencyratingmeansthepercentageoftheinuentwatertothesystemthatisavailabletotheuserasreverse
osmosistreatedwaterunderoperatingconditionsthatapproximatetypicaldailyusage.
• Theproductwatershouldbetestedevery6monthstoensurethatthecontaminantsarebeingreduced
eectively.PleasecontactyourlocaldealerorCowaytoinitiatethisservice.
• Thisreverseosmosissystemcontainsareplaceabletreatmentcomponents,criticalfortheeectivereductionof
totaldissolvedsolidsandthatproductwatershallbetestedperiodicallytoverifythatthesystemisperforming
properly.Replacementofreverseosmosiscomponentshouldbewithoneofidenticalspecications,asdened
bythemanufacturer,toassurethesameeciencyandcontaminantreductionperformance.
• Theestimatedreplacementtimeoflter,whichisaconsumablepart,isnotanindicationofqualityguarantee
period,butitmeanstheidealtimeoflterreplacement.Accordingly,theestimatedtimeoflterreplacement
maybeshortenedincaseitisusedinanareaofpoorwaterquality.v
ModelofFilter Type Usableperiod(months) COSTUS$
WJSF14-PLUS PLUSSEDIMENTFILTER 6 32.00
WJCF14-PRE PRE-CARBONFILTER 12 36.00
WJMF14-75 ROMEMBRANEFILTER 24 156.00
WJIF14
/WJFCF14-POST
INNOSENSEFILTER
/FINEPOST-CARBONFILTER
18 47.00
WJUVF-4W-PUMP ULTRA-VIOLETLAMP 12 187.00
ARSENIC FACTS
Arsenic(abbreviatedAs)isfoundnaturallyinsomewellwater.Arsenicinwaterhasnocolor,tasteorodor.Itmust
bemeasuredbyalabtest.Publicwaterutilitiesmusthavetheirwatertestedforarsenic.Youcangettheresults
fromyourwaterutility.Ifyouhaveyourownwell,youcanhavethewatertested.Thelocalhealthdepartment
orthestateenvironmentalhealthagencycanprovidealistofcertiedlabs.Thecostistypically$15to$30.
InformationaboutarsenicinwatercanbefoundontheInternetattheUSEnvironmentalProtectionAgency
website:
www.epa.gov/safewater/arsenic.html
Therearetwoformsofarsenic:pentavalentarsenic(alsocalledAs(V),As(+5),andarsenate)andtrivalentarsenic
(alsocalledAs(III),As(+3),andarsenite).Inwellwater,arsenicmaybepentavalent,trivalent,oracombinationof
both.Specialsamplingproceduresareneededforalabtodeterminewhattypeandhowmuchofeachtypeof
arsenicisinthewater.Checkwiththelabsinyourareatoseeiftheycanprovidethistypeofservice.
Reverseosmosis(RO)watertreatmentsystemsdonotremovetrivalentarsenicfromwaterverywell.ROsystems
areveryeectiveatremovingpentavalentarsenic.Afreechlorineresidualwillrapidlyconverttrivalentarsenic
topentavalentarsenic.Otherwatertreatmentchemicalssuchasozoneandpotassiumpermanganatewillalso
changetrivalentarsenictopentavalentarsenic.Acombinedchlorineresidual(alsocalledchloramine)maynot
convertallthetrivalentarsenic.Ifyougetyourwaterfromapublicwaterutility,contacttheutilitytondoutiffree
chlorineorcombinedchlorineisusedinthewatersystem.
TheCHP-04ARsystemisdesignedtoremovepentavalentarsenic.Itwillnotconverttrivalentarsenictopentavalent
arsenic.Thesystemwastestedinalab.Underthoseconditions,thesystemreduced0.050mg/Lpentavalent
arsenicto0.010mg/L(ppm)(theUSEPAstandardfordrinkingwater)orless.Theperformanceofthesystemmaybe
dierentatyourinstallation.Havethetreatedwatertestedforarsenictocheckifthesystemisworkingproperly.
TheROcomponentoftheCHP-04ARsystemmustbereplacedevery24monthstoensurethesystemwill
continuetoremovepentavalentarsenic.Thecomponentidenticationandlocationswhereyoucanpurchasethe
componentarelistedintheinstallation/operationmanual.
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