Conair MPW Guia do Utilizador descarregar pdf (Página 29)

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StartButton

DepressingtheStartbuttonwillstartthepumpandenablethecompressor.Thecompressor

(andcondenserfansifthechillerisaircooled)willstartonlyifthemicroprocessoriscallingfor

coolingbecausetheactualToProcesstemperatureishigherthantheSetpointtemperature.If

theAutostartfeatureisenabled,theAutostartsignalwillhaveprecedenceovertheStart

Button.SeetheProgramMenusectionforinstructionsonhowtoenableordisablethe

Autostartfeature.

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TheStartbuttonalsoperformsan“Enter”functionwhileintheprogrammingmenu.

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StopButton

DepressingtheStopbuttonwillshutoffthecompressor,pump,condenserfans(ifthechilleris

aircooled),andclearallfaultsignals.IftheAutostartfeatureisenabledandthereisan

Autostartsignalpresent,theStopbuttonwillnotstopthechiller.SeetheProgramMenu

sectionforinstructionsonhowtoenableordisabletheAutostartfeature.

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Thisbuttonalsoperformsa“Cancel”functionwhileintheprogrammingmenu.

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AlarmSilence/AlarmReset Button

Whenanalarmconditionispresent,thealarmLEDabovetheAlarmSilence/Resetbuttonwill

beonandred.ThefirstAlarmSilence/Resetbuttonpresswillsilencethealarmhorn(optional),

opentheremotealarmcontact(optional),andtheLEDtogglesfromredtoyellow.Thealarm

hornand/orremotealarmcontactremaindisableduntilasubsequentalarmoccurs.Asecond

pressoftheAlarmSilence/ResetbuttonresetsthestatefromAlarmtoNormalOperation.

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TheHighRefrigerantPressureandPumpOverloadrequireamechanicalsafetytobemanually

resetbeforethecontrolboardcanbereset.Ifthefaultisstillpresenttheunitwillimmediately

gointoanewalarmstate.

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CompressorRunningHoursButton

PressandholdtheCompressorRunningHoursButtontodisplaytheamountoftimethateach

compressorinthesystemhasbeenenabled.TheSetpointwindowwillshowwhich

compressor’susageisbeingdisplayed(forunitswithtwocompressors).Therunninghourswill

beshownintheprocessdisplaywindow.Display

ofrunninghoursisinunitsofhundredssoa

displayvalueof10wouldmean1,000hours.Therunninghourswillbedisplayedforaslongas

thebuttonisheld.Forunitswithtwocompressors,thedisplaywilltogglebetweenthetwo

compressorseverythreeseconds.Thehours

willbedisplayedforaslongasthebuttonisheld.

Controlisnotdisturbedwhilethehoursarebeingdisplayed.

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