Zodiac Pool Systems Nature2 Express User manual

For Inground and Aboveground Pools
Important Safety Information
Please read this manual prior to installation.
Nature2®Express is designed to sanitize inground and aboveground swimming
pools of up to 25,000 gallons. If your pool is larger than 25,000 gallons do not
install this unit but ask your pool professional about a Nature2“G” or “A” model
vessel system.
ELECTRICAL HAZARD
• Severeshockorinjurywilllikelyoccurasaresultofadrillordrillcordcomingin
contactwithwater.Neverallowelectricdrillordrillcordtocomeincontactwithwater.
OnlyplugdrillintoaClassA(5MilliampereTrip)protectedGroundFaultCircuit
Interrupter(GFCI)inaccordancewiththeNationalElectricalCodeSection680.
Pleaseseeyourdrillowner’smanualforfurthersafetyprecautions.
EQUIPMENT UNDER PRESSURE
• AlwaysturnpumpoffpriortoinstallingorchangingNature2cartridge.Yourpump/
filter system is operated under pressure and the pressure must be released before
youbeginwork.Pleaseseeyourpump/filterowner’smanualforfurtherinstructions.
PREVENT CHILD DROWNING
• Donotletanyone,especiallysmallchildren,sit,step,leanorclimbonanyequipment
installedaspartofyourpool’soperationalsystem.Locatethecomponentsofyour
operationalsystematleast3feetfromthepoolsochildrencannotusetheequipment
toaccessthepoolandbeinjuredordrown.
IMPORTANT: Pool Owner, save this manual.
Builders, leave this manual with pool owner.
ATTENTION
Failure to heed the following warnings can result in
permanent injury, electrocution or drowning.
!
Vessel Installation
and Operating Manual

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ThankyouforpurchasingaNature2®Express pool sanitizer. Please read through the
entire manual before installing your new unit.
Installation
Nature2Expresseasilyinstallsonyourpool’sreturnline.Youwillneedtouseacordless
orelectricdrilltoinstallthevessel.
Nature2Expresscomponents:(1)winterizingcap,(2)outerhousing,(3)2”clamp
assemblyw/gasket(I/Gonly),(4)1-1/2”clampassemblyw/gasket,(5)flowdiverter,
(6)Expresscartridge,(7)holesaw,(8)nutsandbolts,(9)siliconetube,(10)rigidPVC
adapter(A/Gonly).
1. DecidewheretoinstalltheNature2vessel.Itmustbeinstalled:
• Afterthefilteronthemainreturntothepool.
• Beforeoraftertheheater(downstreamofsolarheatingsystems).
• Beforeanychemicaldispenserorthedischargeofanyoff-linechemical
dispenser. IMPORTANT: Install a check valve before chlorinators to isolate
the Nature2vessel from possible backflow of highly chlorinated water.
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1
8
9
10
2
3
6
5
4
Chlorinator
Pump
Filter
Nature2
Heater
Check
Valve
Return Line
Intake Line

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2. Locatethereturnline.Youwillneedanareaofapproximately6”toinstallyour
Nature2®Express.
3. Turn OFF the pool pump. Your pump/filter system is operated under pressure.
The pressure must be released before you begin work. Please see your pump/
filter owner’s manual for further instructions.
4. Closeanyvalves.Ifyourpoolfiltrationequipmentisbelowthe
waterlevelofthepool,youwilleitherneedtoclosethereturnvalveoruse
winterizingplugsattheskimmerandreturnfittingstopreventexcessivewaterloss.
ContactyourNature2 dealerorZodiacCustomerServiceat800-822-7933formore
information.
5. Choosetheclampassembly,(1-1/2”or2”)thatfitsyourreturnline(Nature2Express
forabovegroundpoolscomeswiththe1-1/2”clampassemblyonly).
6. Applyasmallbeadofsiliconelubricantaroundthesaddleclampgasket.
For Aboveground Pools
Abovegroundpoolsareoftenplumbedwithflexibleorcorrugatedpipe.Thesesystems
requireuseoftherigidPVCadapterincludedwithNature2Express for aboveground
pools. The adapter fits most filtration systems.
• Disconnectthereturnhoseandfittingfromthefilter.
• WraptapearoundthreadsofNature2PVCadapter.
• Threadadapterintotheoutletportinthefilter.

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7. Install your Nature2®Express on schedule 40 PVC pipe only. Failure to heed
this warning can result in equipment failure. Positiontheclampassemblyonthe
pipe,withthearrowpointinginthedirectionoftheflowofwaterandhandtighten
thenutsandbolts.Tightennutsanadditional1/4turnusingawrenchorsocket.Do
notover-tighten.
Note:The2halvesofthe1-1/2”clampassemblywillnottouchwhenproperly
assembled.Agapofroughly1/16”isnormal.
8. Inserttheholesawintoadrill.Usingtheholeinthetophalfoftheclampassembly
asaguide,cutaholeinthepipe.

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9. Inserttheflowdiverterintotheclampassemblyandsnapitintoplace.Snapthe
outerhousingontotheclampassembly.
10. Spreadsiliconearoundtheo-ringjustabovecartridgethreads.
11. ThreadtheNature2®Expresscartridgeintotheclampassembly.Setthedate
reminder.
12. Openanyvalvesthatyouclosedandturnonyourpoolpumptoverifythatthereare
noleaks.Thesmallpelletsinsidethecartridgedomeprovideevidenceofwaterflow
through your Nature2Express.
 Ifaleakispresent:turnoffpump,closevalves,andremoveNature2Express
andassembly.RemoveanyPVCburrs,replaceclampassemblywithoutover-
tightening,andre-installcartridge.
13. RefertoyourNature2CartridgeOwner’sManualforcartridgestartupprocedures.

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Operation and Maintenance
Filtration and Circulation
Followthemanufacturer’sdirectionsforkeepingthecirculatingpumpingoodworking
orderandoperateitatleastsix(6)hoursaday.ConsultyourNature2®dealer for
optimum run times.
Checkpoolfilterperiodicallyandcleanasrecommendedbythemanufacturer.
Replacing The Cartridge
Usethemonthindicatorringonthetopoftheunittoidentifythedateonwhichthe
cartridgeshouldbereplaced.ANature2Expresscartridgelastsforsix(6)months.
Toreplacethecartridge:
1. Shutoffyourpool’spumpandfilter.
2. Close any valves between the filter and pool to prevent draining the pool.
3. Unscrewandremovetheoldcartridge.
4. Screwthenewcartridgeintohousingandclampassembly.
5. Rotatetheinstall/replaceringlocatedonthetopofthecartridgetotheappropriate
month.
6. OpenanyvalvesthatwereclosedtoisolatetheNature2Express.
7. Restartyourpool’spump.Checkforleaksandfixanyleakingfittings.
8. FollowthestartupproceduresintheNature2Express Cartridge Owner’s Manual.
Winterizing
Aspartofthepoolwinterizingprocess,ifyouclose
your pool, remove the Nature2Expresscartridgeand
discarditinthehouseholdtrash.Snapthewinterizing
capontheouterhousingtokeepoutdebris.
Install a new Nature2Expresscartridgewhenyou
re-openyourswimmingpool.RefertoyourNature2
CartridgeOwner’sManualforcartridgestartup
procedures.

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Problem What to look for: Treatment
No flow to Nature2Express. Dirtyfilter(oneindication: Cleanorbackwashfilter
  pressureis8-10psihigher sooperatingpressure
  thannormal). isalwayswithin7psiof
a new filter.
 Leakingaroundvessel. Drippingfromclamparea. 1.Re-lubegasketand
   cartridgeo-ring.
2. Make sure nuts & bolts
are tightened evenly and
   notover-tightened.
Troubleshooting
Usetheguidebelowtocorrectcommonpoolissues.Forfurtherassistance,consultyour
Nature2®dealerorcallusat1-800-822-7933.

Limited Warranty
Thelimitedwarranties contained within this document are the only warranties given with your Nature2
Expressandsupercedeanypriorwarranties. All other warranties, expressed or implied, including the
implied warranty of merchantability or the implied warranty of fitness for a particular purpose are
hereby disclaimed.Oursoleobligationunderthiswarranty,andthepurchaser’ssoleremedy,islimitedto
repairorreplacementoftheNature2Express housing, or one of its parts. The Nature2warranty applies to the
original owner only.
THE LIMITED WARRANTIES OF THE NATURE2EXPRESS HOUSING / CLAMP ASSEMBLY:
The Nature2 Express housingyouhavepurchasedis warranted to be free of defects andmaterialsand
workmanshipforaperiodofoneyearfromthedateofpurchase.
EXCLUSIONS FROM WARRANTY
Nature2Express is designed for use on inground and aboveground pools from 5,000 to 25,000 gallons. If the
unitisusedinanyotherapplication,thewarrantyisvoid,andthepurchaserand/orpoolownerreleasesthe
manufacturerfromanyandallclaimsrelatedtotheuseoftheNature2Express.
Thiswarrantydoes not cover problemsarisinginwhole or in partfrompurchaser’snegligence, misuse or
abuse,impropermaintenanceor storage, accident, improper installation, improperapplication,failureto
followallappropriatesafetyprecautions,actsofGod,abnormalweatherconditions,damagefromplantsor
animals,andimproperuseofchemicals.
Thiswarrantyspecificallyexcludesallincidentalorconsequentialdamages,exceptwherestatelawrequires
themtobepaid.Thiswarrantygivesyouspecificrights.Youmayhaveotherrightsthatvaryfromstateto
state.
TO SUBMIT A CLAIM
ReportclaimstoZodiacPoolSystems,Inc.bycalling1-800-822-7933.Onlytheoriginalpurchasermay
submitaclaimunderthislimitedwarranty.Allclaimsmustbeaccompaniedbyanoriginalpurchasereceipt.
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ZODIAC POOL SYSTEMS, INC.
2620CommerceWay
Vista,CA92081
Tel:800-822-7933
Fax:877-327-1403
www.zodiacpoolsystems.com
©2010ZodiacPoolSystems,Inc.
Allrightsreserved.TL-2625RevB04/10