Chapter 30Ice and Rain ProtectionWord格式.docx

Chapter 30Ice and Rain ProtectionWord格式.docx

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ItisselectedONfromthecockpit

Theaircraftiselectricallypowered

Iceisdetectedbytheicedetector

IFTHERAINREPELLENTFLUIDGETSONTHEA/CSTRUCTURE:

Washatthenextoverhaul.

Washitoffimmediatelywithsoapandwater.

Noactionisnecessary.

IFTHEA/CISONGROUNDANDAWINGANTI-ICEVALVEREMAINSSTUCKOPENDURINGAWINGANTI-ICEVALVETEST,THEAIRFLOWMUSTBESTOPPED:

Topreventfueloverheatinthewing.

Topreventslatoverheatdamage.

Toreducenoiselevel.

WHENTHEENGINEANTIICEVALVESAREOPEN:

Thevalvesolenoidsarede-energizedandtheZoneControllerdeterminesthebleeddemandfortheFADEC.

ThevalvepositionsignalgoesdirectlytotheFADECtostartthegroundtime-delayrelayof30seconds.

Thevalvesolenoidisenergizedandautomaticcontinuousignitionisswitchedontopreventflame-out.

ARESTRICTORLOCATEDDOWNSTREAMFROMTHEWINGANTI-ICEVALVE:

Regulatesairflow.

Restrictsmoisturefromenteringthepiccoloducts.

Limitsairflowincaseofruptureofthedistributionduct.

IFTHEENGINEISRUNNING,ENGINEANTI-ICEVALVEOPENINGISCAUSEDBY:

Iceformationontheengineinletcowl.

Lossofelectricalpowertotheengineanti-icevalvesolenoid.

Icingconditionsdetected.

ENGINEANTI-ICEBLEEDAIRCIRCULATESTHROUGHTHEENGINEINLETCOWLANDISDISCHARGED:

Overboard.

Intothefanairstream.

Intothelowpressureturbinearea.

THEENGINEANTI-ICEAIRISSUPPLIEDFROM:

AHighPressurecompressorstageoftheengine.

ALowPressureturbinestageoftheengine.

AHighPressureturbinestageoftheengine.

INCASEOFELECTRICALPOWERFAILURETOTHEENGINEANTI-ICEVALVE,IFTHEENGINEISRUNNINGTHEVALVEWILL:

Close.

Open.

Mechanicallylockinitslastposition.

THEWATERLINEANTI-ICESYSTEMFORAGIVENAREAINCLUDES:

Acontrolunit,twosensors,andmultipleheaters.

Acontrolunitandaheater.

Anicedetectorandaheater.

THEWINDSHIELDHEATINGOPERATES:

Atlowpoweronthegroundanhighpowerinflight.

Athighpoweronthegroundandinflight.

Onlywhenicestartstoformonthewindshield.

IFTHEAIRCRAFTISONGROUND,THETOTALAIRTEMPERATURE（TAT）PROBEHEATING:

Ispoweredat50%ofnormalpowerinflight.

Isnotavailable.

Ispoweredat75%ofpowerinflight.

THEPROBE/WINDOWHEATSWITCHISATAUTO;

THE"

ON"

LIGHTISEXTINGUISHED;

PROBEHEATINGISAVAILABLEONGROUNDWHEN:

Atleastoneengineisrunning.

Noenginesarerunning.

Oneicedetectorsensesiceformation.

EACHWASTEWATERDRAINMASTCONTROLUNIT:

Regulatesthetemperatureofitsassociateddrainmast.

SendsanECAMmessagefortheflightcrewtoturnONthedrainmastheat.

Onlymonitorsthedrainmastforlossofpower.

WHENELECTRICALPOWERTOTHEWINGANTI-ICEVALVESOLENOIDISLOST,THEVALVEWILL:

Regulatetheairpressure.

Closeifitisopen.

Openifitisclosed.

THEWINGANTI-ICEVALVESARE:

Electricallycontrolledandpneumaticallyoperated.

Pneumaticallycontrolledandoperated.

Electricallycontrolledandoperated.

THEWINGLEADINGEDGEANTI-ICEDSECTIONSARE:

Slats1,2and3.

Slats2,3and4.

Slats3,4and5.

THECOMPLETEPROBEHEATSYSTEMINCLUDES:

Onecomputer.

Twocomputers.

Threecomputers.

EACHWASTEWATERDRAINMAST:

Isonlypoweredinflight.

Hasabuilt-inicedetectorunit.

Hasitsowncontrolunit.

THETOTALAIRTEMPERATURE（TAT）PROBEISHEATED:

Inflightbutnotontheground.

Onthegroundbutnotinflight.

Onlywhentheaircraftisinicingconditions.

WHENAWINDSHIELDWIPERSELECTORISSETTOOFF:

Thewipercompletesonecycle,thenstops.

Thewiperstopsintheparkposition,liftedoffoftheA/Cstructure,atthewindshieldlowerpart.

Thewiperstopsafter5seconds.

THEWINDOWHEATSYSTEMCOMPRISES:

Asinglecomputer.

Twocomputers,oneforthesidewindowsandoneforthewindshields.

Twocomputers,onefortheleftsidewindowsandleftwindshield,andoneforrightsidewindowsandrightwindshield.

DETECTIONOFEXTREMEWINDSHIELDTEMPERATUREORFAILUREOFTHEASSOCIATEDSENSORCAUSES:

AnECAMwarningandautomaticcutoffoftheassociatedwindshieldheating.

Controlofthefaultywindshieldtoswitchtoasecondarycomputer.

NoindicationonECAM.

ANENGINEANTI-ICE（A.ICE）VALVEWARNINGMESSAGEISDISPLAYEDONTHEEWD:

Onlyifonevalvefailedclosed.

Ifbothvalvesfailedopen.

Ifavalvefailedeitherclosedoropen.

EACHWINDSHIELDWIPERISCONTROLLEDBY:

Adedicatedcomputer.

Amomentarypushbutton.

Arotaryselector.

THEDUALADVISORYICEDETECTIONSYSTEMPROVIDESICEDETECTIONWARNINGSWHEN:

TotalAirTemperature（TAT）isnegative.

TheA/Cisinflight,above1500feetandTATisbelow8癈.

TheA/Cisinflight,above1000feetandTATisbelow3癈.

ONEACHWING,HOTAIRISPROVIDEDFORTHEANTI-ICINGOF:

Theinboardslat.

Alltheslats.

Thethreeoutboardslats.

THEDRAINMASTICEPROTECTIONSYSTEMCANBETESTEDFROM:

TheMCDUandthetestpushbuttoninthecockpit.

ThePTPandthedrainmastcontrolunittestpushbutton.

ThetestpushbuttoninthecockpitandthePTP.

WINGICEPROTECTIONISPROVIDEDBY:

Hotairbledfromtheengine.

Electricalheaters.

Hotairandelectricalheaters.

THEWINDOWHEATCOMPUTERS（WHCS）ARE:

LinkedtotheCentralizedFaultDisplayInterfaceUnit（CFDIU）.

LinkedtotheProbeHeatComputers（PHCs）

DirectlylinkedtotheCFDIUviatheZoneController（ZC）.

PROBEICEPROTECTIONISACHIEVEDBY:

Hotair.

Electricalheating.

Hotairandelectricalheating.

THEWINGANTI-ICEVALVES:

MustbeselectedONmanually.

Openautomatically.

Mustbeoperationalfordispatch.

ENGINEANTIICEISSUPPLIEDFROM:

Thepneumaticsystem.

TheengineHPcompressor.

TheengineLPcompressor.

THEILLUMINATIONOFANENGINEANTI-ICEFAULTLIGHTMAYINDICATETHATTHE:

PushbuttonisintheONpositionandthevalveisopen,indicatinganoverheatcondition.

PushbuttonisintheONpositionandthevalveisopen,indicatinganoverpressurecondition.

PushbuttonisintheONpositionandthevalveisintransitorclosed.

WINGANTI-ICEVALVEFAILUREINFORMATIONISSTOREDINTHEMEMORYOFTHE:

ZoneController

BleedMonitoringComputer1

BleedMonitoringComputer2

THECOMPUTERSWHICHINTERFACEWITHTHEWINGANTI-ICESYSTEMARE:

TheEngineInterfaceUnit（EIU）,theSystemDataAcquisitionConcentrator（SDAC）andtheZoneController（ZC）.

TheSystemDataAcquisitionConcentrator（SDAC）,theWindowHeatComputer（WHC）andtheZoneController（ZC）.

TheZoneController（ZC）,theWindowHeatComputer（WHC）andtheEngineInterfaceUnit（EIU）.

FAILUREDATAOFTHEWINGANTI-ICESYSTEMISSTOREDBY:

PackControllers1and2.

TheEngineInterfaceUnits（EIUs）.

TheZoneController.

DURINGICEDETECTIONORICEDETECTORSFAILURE,THEMESSAGEDISPLAYEDONTHEEWDISOF:

Class1type.

Class2type.

Class3type.

THEZONECONTROLLER（ZC）ACQUIRES:

The"

valvenotclosed"

positioninformation.

valvenotopened"

valvenotclosed?

and"

THERAINREPELLENTSYSTEMISINHIBITED:

Inflight.

Onground.

Onground,whentheenginesareshutdown.

THEDRAINMASTHEATINGISCONTROLLED:

AutomaticallybytheCIDS（CabinIntercommunicationsDataSystem）.

Thecontrollermaintainsthetemperaturebetween5and15deg.C.

ByaswitchontheForwardAttendantPanel（FAP）.

INCASEOFONESIDERAINREPELLENTSYSTEMFAILURE:

Onlytheconcernedsidefails.

TheCAPTsideisstilloperative.

Bothsidesfail.

30IceandRa