CableInstallationGuide
INSTALLATIONINSTRUCTIONS OVERVIEW
STEPONE:INVENTORY
STEPTWO:SUSPENSIONHARDWARE
A)SINGLECABLESUSPENSION
B)DOUBLECABLESUSPENSION
STEPTHREE:INSTALLATIONOFFABRICDIFFUSER
STEPFOUR:STARTUP
WARRANTY CLEANINGANDREPAIR
STEPONE: INVENTORY
Beforeinstallingfabricdiffusersystemreadallgeneralinformationinthefollowingsections.Forbest resultsusethismanualinconjunctionwiththemechanicalblueprintordiffuserlayoutifsupplied. Checktheshipmentcarefully.Diffusersystemsareshippedinpolyethylenebagsorboxes.Largerorderswillbeshippedinlargeskiddedcontainerswithindividualcontentsinpolyethylenebagsorfolded. Allpackageswillbelabeledwithdiffuserdiameterandlength. Makesurecontentsmatchthepackinglist.Noteanymissingordamagedpiecesandnotifyyoursupplierbeforestartinginstallation.Checklength&diametersbeforeinstalling&contactsupplierbefore installation.(Notresponsibleforlaborcostsaccruedfrominstallingincorrectlengthsorlayouts.)
STEPTWO: SUSPENSIONHARDWARE
A)SingleSuspensionHardware
Thecablesuppliedis.1875dia.(7x7)aircraftcable,(vinylcoatedorstainlesscablemayalsobesupplied).Theorientation(12o,clock)suspensioncableshouldbepositioned3.5”(standard)abovethesurfaceofthediffuser.Ifplasticor stainlesssteelsnaphooksarespecified,positioncable3”abovethesurfaceofthediffuser.Cablemustbealignedwith thecenterlineoftheairflow.Ifdiffuserbouncesforthefirst20’-30’itisnotanchoredwiththeairflow.Movetheendofthe cable.Locateandsecureendpointsofthecablerunwitheyeboltsatrequiredlocations.Installeyebolttoturnbuckleand turnbuckletocableandcabletoeyebolt.Turnbuckleisusedatoneendtotightencable.
GeneralNote:one1/2”x6”turnbuckleforevery100’oflength Multipleturnbucklesmayberequired.Verticalcablesupportscanbeinstalledtopreventcablefromsagging.Numberof supportsdependsondesiredcablelevelness.Verticalsupportscannotbeinstalleduntildiffuserhasbeenhungandinflated.Cabletensioncanbeestimatedbytheamountofsagofthecableoverthelengthinstalled.
(SeeCableTensionchart,page4)
Whenfabricfittingsareincorporatedinyourinstallation,aligncableswiththecenterlineofthesystem.All cablesshouldbeinstalledatthesameelevation.
Whenelbowsareusedinthesystemcableshouldbeinstalledasindicatedasabove.Itisrecommended toinflatesystembeforesuspendingelbow.Makesureelbowisfullyinflatedwithoutkinks.Thenusecabletosupporttheelbowfromthesnaphooksintheelbowseamstothesuspensioncablewhereneededtosuspendelbow whensystemisdeflated.Acablecanbeinstalledwithcableclampsfromonecabletotheotherata45degree angleaboveelbowtohelpsuspendelbow.Startingfromwheretheseamoftheelbowbeginsmeasure(.414)x (radiusofelbow)andclampthecrosscable.Thenconnectthecrosscabletothecableperpendiculartofirstcable.Itshouldbeconnectedtothatcablethesamedistancecomingfromtheotherendoftheelbow.Useshort lengthsofcableor“S”hookstoattach“O”ringstothecable.
Whentee’sortakeoffsareusedinstallcablesasabove.Installcableperpendiculartomaincabletosuspendbranchruns.Toinsureproperalignmentthemainofthefabricsystemcanbeinstalledtothecableandthe airhandlerfirst.Thenthecrosscablesperpendiculartothemaincanbeinstalledtosuspendthebranchruns. Ifthetakeoffportistopevenallsnaphookswillbethesamedistanceofthediffuser.Ifthetakeoffportiscenteredonthesideofthemain,thesnaphooksarenormallyextendedthesamelevelasthesnaphooksofthe mainduct.Fittingsmayhavequickconnectjointssuchaszipperstoeasetheinstallationandmaintenanceofthe system.
BEGINNING ELBOWSEAM
B)DOUBLECABLESUSPENSION
Wheninstallingatwocablesuspensionsystem,itisimportanttoreviewthediffuserlayout.Itisimportantto noticelocationofelbows,tees,orreductions.Improperplacementofthecablemaycausewearonthefabric. Cableandturnbuckleinstallationaresimilartosinglecablesuspensionsystems.Therearedifferentvariationsof doublecablesystems.Refertothediagramsbelow.Snaphookscanbeextendedsothatallcableswillbeatthe sameelevation.Fittingsmayhavequickconnectjointssuchaszipperstoeasetheinstallationandmaintenance ofthesystem.NOTE:6:00&12:00suspensionissimilarto12:00suspensionwithcabletocabledistancethe sameas3&9:00suspension.ForTriplesuspensionuseacombinationofeither2:00,10:00with12:00or3:00, 9:00with12:00
3:00&9:003:00&9:00EXTENDED2:00&10:002:00&10:00EXTENDED
Note:Thepreviousdrawingsillustratepossibledoublecablesuspensionsystems.Someinstallations mayrequirecablesupportbrackets.Sinceeveryinstallationisdifferent,supportbracketsarenotsupplied.Triple suspensionsystemsusedonlargerdiameterssystemswouldbeacombinationofbothsingleanddoublesuspensionguidelines.
STEPTHREE:INSTALLATIONOFFABRICDIFFUSER
Whenhandlingadiffuserpriorandduringinstallation,pleasekeepanythingthatcomesincontactwiththediffuser clean.Ifadiffuseristobelaidoutonthefloor,makesureflooriscleanorsomethingislaiddowntoprotectdiffuser fromdirtordebrisonthegroundthatcouldcatchonairjetsanddamagediffuserduringinstallation.
1.)Attachthediffuser’ssnaphookstothecable.
2.)Pulldiffuserdowncableuntilfullyextended.
3.)Pullopenendofdiffuserandslipovermetalcollarormetalduct(about6-12”).
4.)installwormgearbandarounddiffusertosecureittometalduct.
Note:Wormgearbandsareperforatedandselftapingscrewscanbeusedtohelpsecurebandand keepfromslipping.(screwsnotincluded).
STEPFOUR:STARTUP
Turnonairhandlerandinflatediffuser.Withthediffuserinflated,anchortheendcaporlastsnaphookofthe diffusertothesupportcableasshown.Thiswillkeepthediffuserfullyextendedwhendiffuserisdeflatedandkeep thediffuserfromsliding.
Ifthediffusersystemfluttersafterinstallation,checktoseeifairhandlerisoperatingatitsdesignedairvolume andstaticpressure.Flutteringcancausedamagetofabricshorteninglifeofsystem.
WARRANTYINFORMATION
Diffusersystemsaresubjecttoa10and5yearlimitedwarranty.Thewarrantycoversworkmanshipandmaterials onallcomponentsofthesystem.Onlyreplacementcostsandcreditsarecovered.Cashpaymentsarenotavailable.Thewarrantycoversfreightcosts,butdoesnotcoverinstallationcosts.Thewarrantyexcludesdamage causedbyimproperinstallation,failuretospecifyallsystemrequirementsandairhandlingequipmentnotperformingasspecified.Theeffectivestartdateofthewarrantyistheproductshipdate.Seewarrantysheetformoreinformation.
EXAMPLE:30”DIA.X200ft.diffuserwouldhaveasagofabout50”.Withoneverticalsupport100ft.inthesag isreducedto12.41”andtwosupportsat,(66ft.&132ft.)wouldreducethesagbetweensupportstoabout5”.