Jandy VS FloPro Series Installation And Operation Manual - page 6
1.2 Pool Pump Suction Entrapment Prevention Guidelines
wARNING
Pump suction is hazardous and can trap and drown or disembowel bathers. Do not use or
operate swimming pools, spas, or hot tubs if a suction outlet cover is missing, broken, or loose.
Thefollowingguidelinesprovideinformationforpumpinstallationthatminimizesriskofinjurytousersof
pools,spas,andhottubs:
Entrapment Protection -Thepumpsuctionsystemmustprovideprotectionagainstthehazardsof
suctionentrapment.
Suction Outlet Covers-Allsuctionoutletsmusthavecorrectlyinstalled,screw-fastenedcoversin
place.Allsuctionoutlet(drain)coversmustbemaintained.Draincoversmustbelisted/certifiedtothe
latestpublishededitionofANSI/ASMEA112.19.8.Theymustbereplacedifcracked,broken,ormissing.
Number of Suction Outlets Per Pump-Provideatleasttwo(2)hydraulically-balancedmaindrains,
withcovers,assuctionoutletsforeachcirculatingpumpsuctionline.Thecentersofthemaindrains
(suctionoutlets)onanyone(1)suctionlinemustbeatleastthree(3)feetapart,centertocenter.See
Figure1onPage7.
Thesystemmustbebuilttoincludeatleasttwo(2)suctionoutlets(drains)connectedtothepump
wheneverthepumpisrunning.However,iftwo(2)maindrainsrunintoasinglesuctionline,thesingle
suctionlinemaybeequippedwithavalvethatwillshutoffbothmaindrainsfromthepump.Thesystem
shallbeconstructedsuchthatitshallnotallowforseparateorindependentshutofforisolationofeach
drain.SeeFigure1onPage7.
Morethanone(1)pumpcanbeconnectedtoasinglesuctionlineaslongastherequirementsaboveare
met.
water Velocity-Themaximumwatervelocitythroughthesuctionfittingorcoverforanysuctionoutlet
mustbe1.5feetpersecond,unlesstheoutletcomplieswiththelatestpublishededitionofANSI/ASME
A112.19.8,thestandardforSuction Fittings For Use in Swimming and Wading Pools, Spas, Hot Tubs,
and Whirlpool Bathtub Applications.Inanycase,donotexceedthesuctionfitting’smaximumdesigned
flowrate.
If100%ofthepump’sflowcomesfromthemaindrainsystem,themaximumwatervelocityinthepump
suctionhydraulicsystemmustbesix(6)feetpersecondorless,evenifone(1)maindrain(suction
outlet)iscompletelyblocked.Theflowthroughtheremainingmaindrain(s)mustcomplywiththelatest
publishededitionofANSI/ASMEA112.19.8,thestandardforSuction Fittings For Use in Swimming and
Wading Pools, Spas, Hot Tubs, and Whirlpool Bathtub Applications.
Testing and Certification-Suctionoutletcoversmusthavebeentestedbyanationallyrecognized
testinglaboratoryandfoundtocomplywiththelatestpublishededitionofANSI/ASMEA112.19.8,the
standardforSuction Fittings For Use in Swimming and Wading Pools, Spas, Hot Tubs, and Whirlpool
Bathtub Applications.
Fittings-Fittingsrestrictflow;forbestefficiencyusefewestpossiblefittings(butatleasttwo(2)suction
outlets).
Avoidfittingsthatcouldcauseanairtrap.
PoolcleanersuctionfittingsmustconformtoapplicableInternationalAssociationofPlumbingand
MechanicalOfficials(IAPMO)standards.
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SUCTION HAZARD. Can cause serious injury or death. Do not use this pump for wading
pools, shallow pools, or spas containing bottom drains, unless pump is connected to at
least two (2) functioning suction outlets.
Page 6
ENGLISH
Jandy
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FloPro™ Variable-Speed Pump Series VS-FHP
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Installation and Operation Manual