Conair MPW Betriebsanweisung PDF herunterladen (Seite 54)

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Corporate Office: 724.584.5500  Instant Access 24/7 (Parts and Service): 800.458.1960  Parts and Service: 814.437.6861

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PreventiveMaintenance

Onceyourportablechillerhasbeenplacedintoservice,thefollowingmaintenanceprocedures

shouldbeadheredtoascloselyaspossible.Theimportanceofaproperlyestablished

preventivemaintenanceprogramcannotbeoveremphasized.Takingthetimetofollowthese

simpleprocedureswillresultinsubstantiallyreduceddowntime,reducedrepaircosts,andan

extendedusefullifetimeforthechiller.

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Tomakethisassimpleaspossible,achecklistshouldbepreparedwhichliststherecommended

serviceoperationsandthetimesatwhichtheyaretobeperformed.Attheendofthissection

wehaveincludedachecklistthatcanbeused

forthispurpose.Noticethattherearelocations

forvoltagereadings,amperages,etc.sothattheycanbemonitoredovertime.Withthis

information,maintenancepersonnelmaybeabletocorrectapotentialproblembeforeit

causesanydowntime.Forbestresults,thesereadingsshouldbetakenwithafullheat

load

fromprocess,preferablywithsimilaroperatingconditionseachtime.Thefollowingisalistof

suggestedperiodicmaintenance.

OnceaWeek

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1. (Air ‐CooledUnitsOnly)Checkthesurfaceoftheair‐cooledcondensercoilfordirtand

debris.Toclean,rinsethoroughlywithwater.Milddetergentcanbeusedtoremovesmoke

andorgreasestains.

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2. ChecktomakesurethattheActualtemperatureismaintainedreasonablyclosetothe

Setpointtemperature.Ifthetemperaturestaysmorethan5°F(3°C)awayfromthesetpoint,

theremaybeaproblemwiththechiller.Ifthisisthecase,refertotheTroubleshooting

ChartorcontacttheConairServiceDepartment.

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3. Checkthepumpdischargepressureonthegaugeonthe

backpanelofthechiller.

Investigatefurtherifthepressurestartstostrayawayfromthenormaloperatingpressure.

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4. Checkthecoolantlevelinthereservoir.Replenishifnecessarymakingsuretotakeproper

precautionstomaintaintheappropriateglycolconcentration.

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5. Checkcoolantcirculationpumpforleaksin

thesealarea.Replacepumpsealifnecessary.

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6. Checkrefrigerantsightglassforairbubblesormoistureindication.Ifthesightglass

indicatesthatthereisarefrigerationproblem,havetheunitservicedassoonaspossible.

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