BAC 3872C - Prolonged Outdoor Storage

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• Cleanthebasinstrainerandre-install.
• Coverthefandischargetokeepoutdirtanddebris.
• Lubricatethefanshaftbearings,motorbase,andmotorbaseadjustingscrew.
• ApplyRUSTVETO
®
tosteelshafts.
• Inspecttheprotectivenishontheunit.Cleanandrenishasrequired.Referto
“CorrosionProtection”onpage 22 formoredetails.
• Lockoutthefanmotorstartingdeviceinthe“OFF”positiontoensurepersonalsafety
incaseoffutureinspectionorservice.
Prolonged Outdoor Storage
Storage Preparation
• Conductthe“ExtendedShutdown”procedureonpage 6iftheunitisinstalled.
• Ensurethecoldwaterbasinisfullydrainedandthedrainisopen.
• Forstoragepriortoinstallation,allcomponentsandaccessories,whichsometimes
shipinsidethetowerandarenotapermanentxtureinthebasin,shouldberemoved
andstoredindoors.
• RemovethedrainplugfromtheoptionalEASYCONNECT
®
PipingArrangement.The
drainshouldremainopenthroughoutprolongedstorageperiod.Retainthedrainplug
forfutureinstallation
• Removeandstorefanbelts(ifsupplied)atroomtemperature.Tagbeltsappropriately
forfutureidentication.
• Applyaweather-resistantlubricantorheavygreasesuchasAnti-Seize(BACPart#
160069)toallexposedthreadedorangedconnectionsandadjustablemotorbase
threadedrod.
• Insertdesiccantbagsintothecontrolpanel(ifsupplied)toabsorbmoisture.Sealthe
controlpanelforstorage.
• Spraycoatelectricalcomponenthousings(ifsupplied)withasuitableprotective
coating,suchasCosmoline
®
Weathershed,andindividuallycoverthemwithplastic
takingcaretoleaveopeningsforfreeaircirculation.
• Inspecttheprotectivenishontheunit.Cleanandrenishasrequired.Referto
“CorrosionProtection”onpage 22formoredetails.
Motor Recommendations
BACstandardmotorsaredesignedforstorageatambienttemperaturesof-20ºFto104ºF
(-28.9ºCto40ºC).Prolongedperiodsofexposureaboveorbelowthesespeciedconditions
coulddegradecomponentsofthemotorandcausemalfunctionorprematurefailure.
• Motorsshouldberemovedandstoredinsidewheneverpossible.Whenindoorstorage
isnotpossiblethemotorsmustbecoveredwithatarpaulin.Donotuseplasticor
plasticlm.Thiscovershouldextendbelowthemotorandbesecured;however,it
shouldnottightlywrapthemotor.Thiswillallowthecaptiveairspacetobreathe,
minimizingformationofcondensation.
• Caremustalsobetakentoprotectthemotorfromoodingorfromharmfulchemical
vapors.
Unit Operation and
Storage
Start-Up Procedure
Start-Up
Extended Shutdown
Prolonged Outdoor Storage
Storage Preparation
Motor Recommendations
ATTENTION: Covering the unit with
a clear plastic tarpaulin during
storage can trap heat inside the
unit and cause damage to the
PVC components. If units must be
covered during storage, an opaque,
reflective tarp should be used.
DANGER: Do not perform any
service on or near the fans, motors
and drives, or inside the unit
without first ensuring that the
fans and pumps are disconnected,
locked out and tagged out.