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(1).Unscrewandremovecapsfrom2and3-wayvalves.
(4).Startvacuumpumpfor10-15minutesuntilreachingavacuumof10mmHgabsolutes.
(6).Open2-wayvalve1/4turnthencloseitafter10seconds.Checktightnessofalljointsusingliquid
soaporanelectronicleakdetector.
(7).Turn2and3-wayvalvesstemtofullythevalves.Disconnectvacuumpumpflexiblehose.
(8).Replaceandtightenallvalvecaps.
(5).Withvacuumpumpstillrunningclosethelowpressureknobonvacuumpumpmanifold.Thenstop
vacuumpump.
(2).Unscrewandremovecapfromservicevalve.
(3).Connectvacuumpumpflexiblehosetotheservicevalve.
HowtoPurgeAirTubes:
22
Installationinstructions
Pleasereadthismanualbeforeinstallingandusingit.
Whenchargingrefrigerantintothesystem,makesuretochargein.Otherwise,chemical
compositionofrefrigerant()insidethesystemmaychangeandthusaffectperformanceofthe
theairconditioner.
liquidstate
R410A
Accordingtothecharacterofrefrigerant(R410A),thepressureofthetubeisveryhigh,sobesureto
carefulwhenyouinstallandrepairtheappliance.
Onlytheairconditionercanbeconnectedtothepowerline.
Refertotheratingplateoftheequipmentforpowerconsumptiondetails.
Ifthesupplycordisdamaged,itmustbereplacedbythemanufactureroritsserviceagentor
similarlyqualifiedpersoninordertoavoidahazard.
Pleasepaymoreattentiontothedetailsof2-wayand3-wayvalve.
Servicevalve:7/16inchforR410Amodel.
Diameterofhexagon(inward):4mmforR410Amodel.
Inordertoensurethesuitabilityoftheequipmentforconnection,theusershouldconsultwiththe
supplyauthority,ifnecessary,thattheservicecurrentcapacityattheinterfacepointissufficient
fortheequipment.
Thepowerconnectionfortheairconditionerhastobedoneatthemainpowerdistributionwhichhas
tobeofalowimpedance.
Donotletairentertherefrigerationsystemordischargerefrigerantwhenmovingtheairconditioner.
Testingruntheairconditionerafterfinishinginstallation,andrecorddetailsofoperation.
Typeoffuseusedonindoorunitcontrolleris50T,withrating2.5A,T,250V.
Thefuseforthewholeunitistobeprovidedbytheuseraccordingtothecurrentatmaximumpower
Inputoruseotherover-currentprotectivedeviceinstead.
Notes
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