
Hygiene+
Ziegra‐UVFiltraon
PlumbingDisinfeconProcedure
Thefollowingdisinfeconprocedureisgenerallyacceptedasbeingsuitableforthe
disinfeconofplumbingsystemsknowntobecontaminated.Ifyouareuncertainabout
theeffecvenessofthisprocedureyouareadvisedtocontactyourlocalhealthauthority
responsibleforwatersafety.
DuringtheUVdisinfeconprocess,theonlyplacedisinfecontakesplaceiswithinthe
reactorchamber.Thereisnoresidualdisinfectantcapacity.Thereforeitisnecessaryto
chemicallydisinfecttheplumbingsystempriortotheinialisaonoftheUVsystem.
1.TurntheUVsystemshutoffvalvestotheclosedposion.
2.Thedisinfeconoftheplumbingsystemismostreadilyaccomplishedbyremovingthe
5micronpre‐filtercartridgeandadding250‐500mlofastandard5%concentraonof
unscentedhouseholdbleachintotheemptyfilterhousingandre‐aaching.
3.VerifythattheUVsystemisconnectedtotheACpowervoltageandoperang
properly.
4.Turnthevalvestotheopenposionandletthewaterflow.
5.Runwaterthroughthesystemunlyoucaneasilysmellthechlorine,catchingtherun
offwaterinatub.Closethevalvesandletthesystemsitfor30‐60mins.
6.ClosethevalvesontheUVsystem.Openthevalvesandflushthesystemthrough
thoroughly.
7.Oncethisiscomplete,shutthevalves,connecttheplumbingsystemtotheice
machineandfillthepre‐filterhousingwiththerecommendedamountofZiegra
saniserforyourmachine.
8.Openthevalvesandcycletheicemachineasrecommendedunltheprocessis
complete.Oncefinisheddiscardalltheiceandcleantheicedeliveryhoseandanyice
storage,cart,utensilsetcthatcomesintocontactwiththeice.OncecleanuseZiegra
sanisertocompletethecleaningoftheseitems.
9.Ifthesystemisbeinginstalledonanicemachinethathasalreadybeencontaminated
bythewatersupply,thenafullcleanandsanisingofthemachineshouldbecarried
out.ContactZiegraforadvice.