WonderLightUVInstallationGuideRev050414
Pre‐Installation
1. NotethatforUVtobeeffectivethewatershouldbelow:
a. Lessthan7grainspergallonofhardness,orlessthan120PPM)
b. Freeofcolorandcrystalclear.
c. Ironshouldbelessthan0.3mg/L.
d. Manganeseshouldbelessthan0.05mg/L
e. pHrangeshouldbe6.5to9.5
2. Ifyouaregoingtobeturningoffthewatertothehouseandyouhaveanelectricwaterheater,
shutoffthepowertothewaterheaterbeforebeginninginstallationincasewaterheateris
accidentallydrained.
3. PickasuitablelocationforyourUVSterilizer.Itisbesttomountonawall,whereyoucanbe
suretoremoveoneendoftheUVwithenoughspacetocompletelyremoveandinstalltheUV
lamp(bulb).Choosealocationwhereitwon’tbeexposedtofreezingtemperatures.A
minimumof10PSIisrequired.Maximumpressureis100PSI.
4. Getallofyourplumbingpartstogetherbeforebeginninginstallation.Installationtypicallytakes
1to4hours.Reviewyourpackinglistandmakesureyouhavereceivedallthepartsbefore
beginninginstallation.
BestPracticesforPiping&DrainInstallation
1. Seetypicalinstallationonpage2,Figure1
2. InstallUVwithstainlesssteelflexiblelines,oruseapipeunionsoUVcanbeeasilyremoved
laterifneeded.
3. Ifyouwillbeusingcopperpiping,donotsweatthecopperpipedirectlyontheUV.
4. IfyouaregoingtobeusingPVCpipe,donotconnectPVCfittingsdirecttoUVsterilizer,asthe
UVrayscandegradethePVCpipe.UseastainlesssteellinetoisolatethePVCfromtheUV
sterilizeristhebestpractice.
5. Installaseriesof3ballvalvestocreateaby‐passaroundtheUVasshowninFigure1ifdesired.
6. Installa5micronpre‐filterpriortoUVsterilizer(optional)toremoveveryfineparticlesthat
mightblockthetransmissionofUVraysintothewater.