14
-- CAREOFYOUR REVERSEOSMOSIS SYSTEM--

REVERSEOSMOSIS SYSTEMCAREGUIDE

MODELNO.625.347001

1.ATLEASTevery6months,replacetheprefilterand postfiltercartridges.Cleanor replacetheflowcontroland
screen.
2.ReplacetheROmembranecartridgewhenthepercentrejectionoftotaldissolvedsolids(TDS)islessthanshown
inthespecifications(see B,below).
Ifanyofthefollowingoccurbeforethe6months,replaceasdirected.
A.SlowMakingofProductWater:Replacetheprefiltercartridge.
Iftheproductionratedoesnotimprove,replacethepostfiltercar-
tridge andROmembranecartridge.
C.ChlorineTasteand/orOdor:Replacetheprefilter,postfilterand
ROmembranecartridges.
B.HighTotalDissolvedSolids(TDS)inProductWater:Youcan
getafree TDStest throughsomeSearsretail storesorservice
departments.If thestoreorservicedepartmentdoesnothave a
TDSmeter,youcansendtreatedanduntreatedwatersamplesto
awateranalysislabfortesting.Itisimportant totestboththe
treatedanduntreatedwatertodeterminesystemperformance.If
theTDSisnotwithinthesystem’sperformanceguidelines,
replacetheprefilter,postfilterandROmembranecartridges.

OTHERTROUBLESHOOTING

PROBLEMCAUSECORRECTION
Chlorinetasteand/or
odorintheROproduct
water
Theppmofchlorineinyourwatersupply
exceedsmaximumlimits,andhasde-
stroyedtheROmembrane.
Ifthewatersupplycontainsmorethan2.0ppmofchlorine,addi-
tionalfilteringofthewatersupplytotheROisneeded.Correct
thisconditionbeforedoingmaintenanceontheROsystem.
Theprefilterisnolonger removingchlo-
rinefromthewatersupply.Replacetheprefilter,postfilterandROmembranecartridges,
flowcontrol,andscreen.
Othertasteand/orodorPostfilterexpended.Replacethepostfiltercartridge.If taste andodorpersists,re-
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trol,andscreen.
Contaminationinproductwaterstorage.Usesanitizing procedures.Replacethepostfiltercartridge.
System makesproduct
watertoo slowlyWatersupplytotheROsystemnotwithin
specifications.Increasewaterpressure,preconditionthewater,etc.,asneeded
toconformbeforedoingmaintenanceontheROsystem.
PrefilterorROmembranecartridges
pluggedwithsediments.Replacetheprefiltercartridge.Ifratedoesnotincrease,replace
thepostfiltercartridge,ROmembranecartridge,flowcontrol,
andscreen.
System makeslower
amountofproductwater
than usual
Storagetankair-chargeless than5--- 7
psi.OpenROfaucetand draintankuntil flowslowstoadrip.Keep
faucetopenandchecktankpressure.If low,pressurizeto6psi.
Closefaucet torefill thetank.
Hightotaldissolvedsol-
ids(TDS)inproductwa-
ter
WatersupplytotheROsystemnotwithin
specifications.Increasewaterpressure,preconditionthewater,etc.,asneeded
toconformbeforedoingmaintenanceontheROsystem.
ROmembranecartridge expended.Replacetheprefilter,postfilterandROmembranecartridges,
flowcontrol,andscreen.
Waterleakingfromfau-
cetairgapholeDrainsideof faucetairgap(3/8” tubing)
plugged,restricted,orincorrectlycon-
nectedtodrainpoint.
Inspectandeliminaterestrictionorplug.Refertoinstallation
instructionsforproperdrainconnection.
Continualwaterflowto
drainCheckvalveorautomaticshutoff assem-
blyplugged,restrictedorpartswornClean,repairor replace asneeded.
Note:Sanitizingisrecommendedafterservicinginnerpartsof thesystem(see page9).