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the power in uV technology
uV for swimming pool purity...FACTSHEET
HanoviawasthepioneerintheuseofUVforpoolwatertreatment.
HanoviaUVSystemsprovidethedoublebenefitofreducingthecombinedchlorine(Chloramines)thatcauseunpleasantodoursandbatherdiscomfortandsecondarydisinfection,enablingreducedlevelsofchlorinetobeused.
‘theUVdisinfectionprocesshasmadeafantasticdifferencetothewaterandairqualityofthepoolareas.’
AlanWebb,SpelthorneLeisureCentre,UK
‘averycleanandefficientwayofkillingbugs.’
NormanBuck,UniversityofEastAnglia,UK
THEPHOTONIICONTROL
ThePhotoncontrolsystemfromHanoviaisamicroprocessor-drivencontrolmoduleoffering:
• Fulltraceability
• Datalogging-upto12months
• Amenu-driveninterface
• Realtimedisplayofperformanceparameters
• DownloadtoRS232Interface
THEMONITOR
ProvidescontinuousoutputmeasurementofeachUVlampintreatmentchamberandkeepssystemrunningatmaximumefficiency.Withanychangeinprocessconditions,thesystemcanbedesignedto:
• Switchtonewpowerlevel
• Initiatealocalorremotealarm
ARCTUBE
• Upto6ArcTubesperchamber
• Simpletoreplace
• HanoviaistheonlyUVsystemssuppliertomanufactureitsownMediumPressureArcTubes.ThisfacilityhasenableddevelopmentofpowerfulmediumpressureArcTubeswhicharerichinthewavelengthsnecessaryfordisinfectionandchloraminesdestructions
• AllHanoviaArcTubesaremanufacturedandtestedtointernationalstandards
THETREATMENTCHAMBER
• Capacityupto1,500m3perhourforasinglePhotonchamber
• Interiormirrorfinishtohigheststandards,weldspolished
• 316Lstainlesssteelconstruction
• Quartzsleeve(s),mountedaxially,housesArcTube(s)andpermitsreplacementwithoutinterruptingflow
• Automaticwipermaintainsdisinfectionefficiency,evenforpoorqualityfluids
• Optimumhydraulicdesignforuniformtreatment
• Dosemodelsindependentlyvalidatedwithbioassaytestingworldwide
theHanoviaSystem......howitallworks
Inthetreatmentroom,theentirepoolvolumere-circulatesthroughtheHanoviachamberwhereitispurifiedbyUV.Theonlymovingpartistheautomaticwiper,whichkeepsthequartzsleevefreefromdeposits.
swimmingpoolwaterpurificationwithUV......explainedintechnicaldetail
HanoviaequipmentiseffectivewithintheguidelinesofthePoolWaterAdvisoryGroupandallowssafereductioninresidualchlorinelevelstothenewrecommendations,whilstachievingatotaltoboundratio>4:1.
BenefitsofUVTheprimaryactionofUVistokillbacteria,viruses,mouldsandtheirspores,thusreducingtheriskoftransmissionofstomach,skinandrespiratorytractinfectionstobathers.UVhasanimportantsecondaryaction:itinitiatesphoto-chemicalandphotooxidationreactionswhichdestroyschloramines,arangeofcompoundsresponsibleforunpleasantsmellsinpools.Thisisparticularlyimportantinleisurepoolswherefeaturessuchaswaterslidesandwavesgiveagreatersurfaceareaforthereleaseofchloraminesintotheair;UVreducestheburden,makingtheatmospheresaferandmorepleasant.Totaltoboundratioof>4:1aretypicalofpoolwatertreatedbyHanoviaUV.
Max.CombinedChlorineLevels
Germany 0.20ppm
Denmark 0.20ppm
Italy 0.30ppm
Sweden 0.40ppm
Norway 0.50ppm
Cosmicrays
gammarays
X-rays
ultra-violet
visible light infa-red
redviolet
200 300245 nmnh2Ci 260 nm
nCi3
297 nmnhCi2
340 nmnCi3
400
germicidalwavelengths
radiowaves
how uV works
100
effective Control hobart aquatic Centre, tasmania
3.5
3
2.5
2
1.5
1
0.5
0
600
500
400
300
200
100
0Dec 98
Jan 99
Feb 99
mar 99
apr 99
may 99
Jun 99
Jul 99
aug 99
Sep 99
oct 99
nov 99
Dec 99
uV
Date
Conc
entr
atio
n (p
pm)
total Chlorine
Bound Chlorine
Bather Load
Hanoviasystemstandalone• Simpleandcompletelyreliable
• HanoviaUVsystemsdonotrequiredailymaintenance
• SystemsarefullymonitoredtoensurethecorrectdoseofUV
• AlarmedfortheunlikelyeventofUVtubefailure
• Hanovia’ssystemsinterfacewithBuildingManagementSystem
• Rangeofsizestosuitdifferentdemands
• Minimalspacerequirements
UVissaferandprovidesthebestenvironmentforeveryoneinvolved• UViseffectiveagainstallpathogensincludingCryptosporidium
• Providesexcellentwaterqualityandamorepleasantbathingenvironment
• Treatsfullrecirculatingflow
• Reducestheamountofchemicalsrequired,typicallyby50%
• Nobreathingapparatusrequired
Visit our website for further information at www.hanovia.com
Further inFormation teChniCaL anD SaLeS SuPPort StaFFour highly trained sales and service staff help you select and install the best plant for yourneeds. our comprehensive after sales service includes a full range of spares and ongoing professional technical backup, with an optional service contract.
t: +44 (0) 1753 515 300 e: [email protected] hanovia Ltd, 780 Buckingham avenue, Slough, Berkshire, SL1 4La united Kingdom
brochure design by Breathe marketing Limited www.breathe4u.com
Maintenance• Verysimpleandinfrequent• Arctubeschangedonlyonceayear• Arctubereplacementtakes5minutes• Maintenancecanbecarriedoutbyon-sitepersonnel
LowCost• LowerCapitalinvestmentthanothercomparabletechnologies• Considerablesavingsonchemicals,electricity,maintenanceand
personnel• Simpleinstallationandoperation• Availablefornewbuildsorasaretrofittoolderpools• Noadditionalfilters,contactvesselsorpumpsrequired• Timersusedfornightshut-down
ProvenTechnology• Hanoviasysteminstalledathundredsofpoolsacrosstheglobe• Sametechnologyusedtodisinfectdrinkingwater• Treatedwaterqualityexceedshighestinternationalstandards
Ph inJeCtion
ChLorine inJeCtion
Strainer
Strainer
PooL BaLanCe tanK
CirCuLatingPumPS
PumP Cut-oFF SignaL (VFC)
BaCKwaSh
FoCCuLant inJeCtion
CaLoriFier
By PaSS
uLtraVioLet ChamBer
uVFiLter FiLter
Flow Diagram for Single Pool with ultraviolet Disinfection