Asada ECOcycle Aurora II User manual

INSTRUCTION MANUAL
Recovery and Reclaim machine
ECOcycleAurora Ⅱ
IM1401
【Pleasereadthismanualbeforeoperating】

1
ECOcycle Aurora Ⅱ
 ThankyouforselectingECOcycleAurora Ⅱ .
 ● PleasegivethisOperationManualtothepersonswhooperatethismachine.
 ● Thecontentsofthismanualmustbethoroughlyreadbytheoperatingpersons.
 ● Obtainthehighestperformancee󱐰ciencyofthismachinebyanappropriatesafeoperation.
 ● Keepthismanualatasafeplaceeasilyaccessiblebyoperatingperson.
 ● Donotusethismachineforpurposesotherthanoriginallyintended.
 ● Checkthefollowingassoontheunitisdelivered:
  ・ Isthespecicationsameastheorderedproduct?
  ・ Istheredamageordeformationcausedduringdeliverytransit?
  ・ Isthereshortageofaccessories?
 Ifanydissatisfactionisfound,pleasecontactthestoreyouhavepurchasedoroursalesdepartment.
 (Thecontentsofthismanualmaybechangedwithoutpriornoticeforchangesmadeforimprovement.)
WARNING
CAUTION
 WARNINGFORSAFETY........................... 2
 COMPONENTSOFTHEMACHINE...... 6
  NameofEachPart ...................................... 6
  Specication................................................. 7
  StandardAccessories.................................. 7
  OptionalAccessories
(RecoveryCylinder) ...... 8
  OptionalAccessories(Other
  Air-ConditioningEquipment)...................... 8
 HOWTOUSE ................................................ 9
  PreparationbeforeOperation.................... 9
  Recovery/ReclaimOperation....................10

DischargeOilMethod(Oilseparator) ..........16

DischargeOilMethod( Electrostaticlter ) ........16
  WarmupOperation .....................................17
  HowtoPurgeNoncondensableGases......18
 RECOVERYCYLINDER.............................19
 MAINTENANCE&INSPECTION ...........20
  Maintenance .................................................20
  ReplaceMolecularsievepack ....................20
  Incaseofreclaimotherrefrigerant..........21
 BEFOREREQUESTINGREPAIR
 ORSERVICES ..............................................22
 ELECTRICWIRINGDIAGRAM ..............23
FLOWDIAGRAM.........................................24
Situationthatmaycausedeath orseriousinjuryiftheoperatingPersonnel
contactorstandnearthemachineorthethirdpartypersonErroneouslyoperates
themachine.
Situationthatmaycauseminortomediuminjuryormay cause damage to the
machine,iftheoperatingpersonnelcontactorstandnearthemachineorThe
thirdpartypersonerroneouslyoperatesthemachine.
Deadly
Poison
Caution
for Gas Explosion Fire No Fire Electric
Shock
Burn Rotating
Wear
Protective
Gear
Do Not
Disassemble
Grounding
Power
Source
Voltage
Handling of
Wire
Working
Condition Others User's
Manual
Thewarningsignsusedinthismanualorontheproductaredividedinthefollowingtwocategories.
FORSAFEOPERATION
CATEGORIESOFWARNINGSIGNS
INDEX

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ECOcycle Aurora Ⅱ
WARNINGFORSAFETY
 ● Generalwarningsinoperatingthismachinearementionedinthissection.
 ● Whilespecicdetailsarementionedineachparticularclause.
◆Whenperformingrecovery,chooselocationthathasgoodventilation.
Leakageofgaswithout sufficientventilationmaycauselackofoxygencause
su󱐯ocation.
◆Cannotrecoverammablegas(Hydrocarbonorthiskindofhydrocarbon
material)Whenmixexceptrefrigerants[Ammonia,hydrocarbon（propane,
isobutene,）etc]tothemachine,itmaycauseexplosion.
◆BurningFreoncreatesa deadlypoisonousCarbonOxy-Chlorideand
inhalingofthisgasisverydangerous.
 Thereshouldbeabsolutelyno flammable material neartheworkingareaand must
operateundergoodventilation.
◆Absolutelynorematerialandsmokingduringtheworkinprocess.
 CigarettelightmaycreatesCarbonOxy-Chlorideandignitere.
◆Useprotectiveeyeglassandhandglovewhendisconnectinghoses.
 IfFreongaswastouchyourskinorgetsinyoureyes,itmaycausefrostbiteordamage
youreye-sight.
◆Donotclosethevalvesofthemachineandthehoseswhentheyarefull
ofliquidrefrigerant.
◆Donotoperateorstoragethemachineattheplacewheretemperature
getsabove35℃ .
 Itmaycause explosionforexpandliquidgasonthehighertemperaturesite. Whenthe
recoveryoperationwillnish,dooperationpurgecertainly.
◆Useouroriginalrecoverycylinders.
◆Donotoperatethemachinewithwethandsorintherain.
 Ifyouhandleelectricplugandpowerswitchwithwethandsorintherainyoumayhave
electricshock.
◆Makesuretohavethemachineearthed(grounded).
 Ifthemachineisnotproperlygrounded,itmaycauseelectricshockwhenthemachine
haselectricleak.
WARNINGFORSAFETY
WARNING

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ECOcycle Aurora Ⅱ
◆Checkelectricpowerplugregularlytomakesurethereisnoproblem.
 Alwayshavethepluginsertedrmly.
 Whentheplughasdirtoroil,and the connection isincomplete,itmaycauseelectric
shockorre.
◆Donothavetheelectriccordconnectedwithother electric devices or
branchedwithothercords.
 Itmaycausere.
◆Donotpulltheelectricpowersourcecordandremovefromtheoutlet.
Itmaycausereorinjury.
◆ThepowersourceshouldbeAC220-240V10Aoruseageneratorwhose
capacityis3KVAormore.
 Ifthecapacityofthegeneratorisnotlargeenough,itmayleadtoheating,smokingor
re.
 Seethemachineplateorthismanualforthedetailedspecications.
◆Donotsetupthemachineatlocationwheregasoline,thinner,or
ammableGasexists.
 Therecoverymachinesparksatthestart-uptimeandmayignitegasolineandthinner.
 Ifleakedgasolineorflammable gas accumulates at nearthemachine,itmaycause
explosionandre.
◆Always turn off the switch and pull out the power source cord when
performinginspectionandmaintenance.
 Themachinemaysuddenlystartsandcauseaccident.
◆Donotdisassemblebyun-authorizedrepairperson.
◆Donotoperatethemachinewiththecoverremoved.
 Itmaycauseabnormalmovementandmaycauseinjuryordamage.
WARNINGFORSAFETY
WARNING

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ECOcycle Aurora Ⅱ
CAUTION
WARNINGFORSAFETY
◆Installalteratthesuctionport.
 Otherwisethecompressormaybedamaged.
◆Anextensioncordusedshouldbeathree-corecabtyrecablewitha
lengthof20morlesswhenitswirediameteris2.0mm2orwithalength
of30morlesswhenitswirediameteris3.5mm2.
 Anunsuitableextensioncord(toothinortoolong)mayleadtostartingfailureorre.
 Orelectricalcomponentssuchascapacitor,relayandsoonmaybedamaged.
 Ifthecordusedisatwo-corecordwithoutagroundwire,youmaygetelectricshock.
◆Donotrecoverrefrigerantwhichcontainssealant.
 Sealantmayclogthevalvesorthecheckvalves.
◆Donotletvisitorstouchthemachine.
◆Donotusethemachinewhentheresultisunpredictable.
◆Donotusethemachineforpurposesotherthantheoriginalintent.
 Thismachineisdesignedtorecoverthespeciedrefrigerants.
◆Donotoperateunderanexcessiveheavyloadtothemachine.
Operatingunderanexcessiveloadcannotonlycausedamagetothemachinebutalso
causesanaccident.
◆Donotusethemachineonavibratingoororonaslopingplace.
 Themachineorthecylindermayfalldownandleadtoaccident.
◆Theoperatingplatformandtheworkareamustbekeptneatandclean.
atalltimeandhaveenoughlighting.
Poorworkingenvironmentcausesaccident.
◆Donotoperatethemachineiftheoperatorisunderfatigueconditionor
inuencedbyalcoholicdrinkormedicines.
◆WhentheRecoveryMachineisnotinuse,storageatdryspaceandout
ofreachbychildren.
◆Donotuseaccessoriesotherthanreferredinthismanualorshownon
ourcatalogue.Useofotheraccessoriesmaycauseproblem.

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ECOcycle Aurora Ⅱ
◆WhentheRecoveryMachineisdroppedorhit,inspectimmediatelyfor
damage,crack,dent,etc.
Recoveryunderdamaged,crackedanddentedconditionmaycauseinjury.
◆Checkeverydayifthereisdeformedorcorrodedarea.
◆Ifabnormalcondition(strangesmell,vibration,strangenoise)is
noticed,stoptheunitandreferto thePage22“BEFOREREQUESTING
REPAIRORSERVICES”inthemanual.
◆Requestforrepairorserviceinsteadofdisassemblingfor repair,
contactthestorewherethemachinewaspurchased.
◆Useourcylindersthatareexpresslymadeforrecoveryandrecycling.
◆UsecylindersthatmatchtothetypeofFreonbeingrecoveredor
reclaimed.
◆Disposemolecularsievepackinaccordancewithlocalregulation.
CAUTION
WARNINGFORSAFETY

6
ECOcycleAurora Ⅱ
Switching valve
Discharge pressure
gauge
Suction pressure
gauge
Warning lamp for
high pressure
Lamp for
oil full
Lamp for
refrigerant tank full
Inlet port
(Filter)
Outlet port
(
Sight glass )
Bypass switch
for Tank full
Oil discharge port
of oil separator
Power code
Safety cable Oil discharge port
for Electrostatic filter
Specification label
Description label
Dry filter
Discharge valve
Suction valve
Auto OFF/
Manual switch
Power
Breaker
COMPONENTSOFTHE
MACHINE
Labelsarerequiredbylawforsafetyandthewarningsareplacedontherecoverymachine.
Ifthelabelcomeso󱐯themachineorbecamedirtyandunreadable,requestusfornewlabel.Replace
thelabelatthesamepositiononthemachine.
COMPONENTSOFTHEMACHINE
NameofEachPart

7
ECOcycle Aurora Ⅱ
＊ Specicationsaresubjecttochangewithoutpriornotice.
＊ Recovery/Reclaimratesvaryunderdi󱐯erentconditions.
StandardAccessories
Description EcoCycleAurora Ⅱ
CodeNo. AR023
Recoveryrefrigerant
R12、R22、R500、R502、R114、R124、R134a、R403B、R404A、
R407C、R407D、R410A、R412A、R413A、R417A、R422A、R422D、
R423A、R507A、R509A、R32,andmore
Reclaimablerefrigerant R12、R22、R500、R502、R134a、R404A、R410A、R507A、R509A、R32
Recoverymethod Liquidrecoverymethod（possibletovaporrecovery）
Reclaimmethod Electricstatisticseparationreclaimmethod
Powersupply 220V-240V（50/60Hz）recommending10Aover
Compressor 750W（1HP）Oilless
Dimension 560x520x973mm(LxWxH)
Weight 63kg
Electricconsumption 587/622W(50/60Hz)
Electriccurrentofoperation
Electriccurrentofstarting
8.9/6.0A(50/60Hz)・34A
Operatingtemperature 5–35℃
Applicablecylinder
（overllprotectionmethod）
Floatsensortype:Recoverycylinder(withoatsensor)
6L・12L・24L・40L・120L
Weighingtype:Recoverycylinder(withoutoatsensor)withLimitScale
12L・21L・24L・120L
Recovery/Reclaimrate R22 R410A
Liquid（g/min） 220 220
Vapor（g/min） 90 90
Reclaimcapacity R22 R410A
Moisture（ppm） –5 –7
Acid（ppm） –0.1 –0.1
Totalresidue
onevaporation（％） –0.005 –0.005
Noncondensablegas（％） –0.5 –0.5
＊ Reclaimcapacitywillvarydependingonthecontaminationofthereclaimedrefrigerant.
Description CodeNo.
1/4"CharginghosePlusIIwithballvalve(Red)183cm Y29672
1/4"CharginghosePlusIIwithballvalve(Blue)183cm Y29272
Filter TF011
Molecularsievepack AR179
InstructionManual IM0345
Manualforoperation IM0346
Specication
COMPONENTSOFTHE
MACHINE

8
ECOcycle Aurora Ⅱ
NameofItem CodeNo. ExplanationoftheItem
LimitScaleLS-45 Ⅱ LS452 Scaletobeusedtopreventover-fillingwhenrecovery
cylinderhasnooatsensor.
LimitScaleLS-150 Ⅱ LS152
ARmolecularsievepack AR222 ReplacementmolecularsieveforinsideofMolecularsievepack.
Chargefaster WA6625 UsewhenrecoveringR134aandR12.
CheckMate RT700K EasilycalculationPPMforcontaminate of oil and
moisture/acidofrefrigerant.
RefrigerantAnalyzerUltimaHV NT2004HV Judgmentofrefrigerantifpossibletouseforreclaim.
VacuumPump
Various
Type Highe󱐰cient2-stagevacuumpumpwithacheckvalve.
CoolingunitCL3(3/8") ES801
Improvestheefficiencyofrecoveryinsummerclimate,
recoveryinalargevolumeorrecoveryof R410A by
usingtogetherwitharecoverymachine.
Header TF013 Recoveryofupto6unitsatthesametime.
Piercingvalve TF014
Makesaconnectionportforrecoveryfromasystem
whichhasnoserviceportsuchasahomeuse
refrigerator,etc.
1/4"Charginghosewithpressure
gauge(forusewithcylinder)
Y02002A Connecttorecoverycylinderandchecktheamountofair
mixedintherefrigerant.
1/4"Hosewithvacuumneedle Y02003A Checksdepthofvacuuminthesystembeingrecoveredto
judgecompletionofrecovery.
SightGlass Y41145 Visuallycheckrefrigerantoweitherinvapororliquid.
Adapterfordi󱐯erentdiameter
forautoA/C(quicktype)3/16"
femalex1/4"male
Y19120 Adaptertoconnecttothesmallserviceport(3/16") for
R12.
Highpressurequickjoint
forR134a(M12)
Y03100A Forquickconnectiontotheserviceport(highpressure
side)forR134a.
Lowpressurequickjoint
forR134a(M10)
Y03200A Forquickconnectiontotheserviceport(lowpressure
side)forR134a.
1/4”BallValve Y93843 PreventreleaseofrefrigerantwhenDisconnectinghose.
QuickchargingvalveA Y18975 Canbeusedwithoutleakingrefrigerant.
RecoveryspeedimproveswithoutSchrader.
Charginghoseplus Ⅱwith
SealRighttting
Various
sizes
available
Lowlossanti-blowbackSealRightfittingtraps
refrigerantinthehosewhendisconnected.
Charginghoseplus Ⅱ forR410A CharginghoseforR410A.
Charginghoseplus Ⅱ with
ballvalveforR410A
CharginghosewithballvalveforR410A.
Charginghoseplus Ⅱ forR134a CharginghoseforR134a.
COMPONENTSOFTHE
MACHINE
＊ OurLimit Scale must be usedwhenrecovery
cylinders(withoutoatsensor)areused.
＊ Ouroriginalrecoverycylindershouldbeused.
Description Capacity Port CodeNo.
Refrigerant
recoverycylinder
(withoatsensor)
1L
1/4"are
TF040
6L TF090
12L TF056
24L TF057
40L
1/4"are TF130
3/8"are TF131
120L
1/4"are TF110
3/8"are TF129
1/2"are TF097
3/4"are TF098
Description Capacity Port CodeNo.
Refrigerant
recoverycylinder
(withoutoatsensor)
24L
1/4" are
TF080
120L TF070
OptionalAccessories(OtherAir-ConditioningEquipment)
OptionalAccessories(RecoveryCylinder)

9
ECOcycleAurora Ⅱ
TheunitisfilledwithNitrogengastoprevent
damageduringtransit.
① Connecting machineto the properpower
supply.
② [Removecap]ofinletportanddischargeport.
③ [Open]suctionvalveanddischargevalve.
④ Insidemachinewillbecomeatmospheric
pressureafterexhaustNitrogengas.
1）Dischargenitrogengasfrominsidemachine
2）PreparationofCylinder
Vacuumthetankusevacuumpump(optional
accessories).
① Connectthe suctionportofthevacuumpump
tothevaporportofthecylinderwithahose.
② Switchonthevacuumpump.
③Close theliquidportofthecylinderandopen
thevaporport.
④Closethevaporportofthecylinderwhenthe
vacuumreaches － 0.095MPa（ － 13.8psi） ～
－ 0.1MPa（－ 14.5psi）.
⑤ Switcho󱐯thevacuumpump.
⑥Disconnectthehosebetweenthevacuumpumpandthecylinder.
① Incaseofthetemperatureunder10℃itneedswarmingupbeforeoperation.
WarmupOperationRefertopage17.
② Alterofstandardaccessoriesmustbeinstalledontheinletportwhenoperatingmachine.
3）Precautionsconcerning
Liquid port Vapor port
Suction
port
Recovery cylinder Vacuum pump
OPEN
Suction / Discharge
valve
3
Remove
cap
Inlet port /
Outlet port
2
HOWTOUSE
PreparationbeforeOperation
HOWTOUSE
◆ Brand-newcylindershavenitrogeninside.
 Evacuationshouldbedoneafterdischargingnitrogenbyopeningthevaporvalve.
◆ Donotevacuateairfromcylinderswhichcontainrefrigerant.
 Therefrigerantwillbedischargedtotheairandthevacuumpumpoilwillblowout.
CAUTION

10
ECOcycleAurora Ⅱ
① Connectthehosesasabove.
② ConnectthesafetycabletotheconnectoronthecylinderoronLimitScale.
③ Installaltertothesuctionportoftherecoverymachine.（CodeNo.TF011）
④ InstallMolecularsievepackdrier（refertopage20）aftertakeo󱐯abacklidonthemachine.
⑤ ConnectachargefasterwhenrecoveringR134aandR12.
Recovery/ReclaimOperation
1）Connectionofhoseandcords
CLOSE
Liquid
valve
CLOSE
CLOSE
Low
pressure side
High
pressure side
CLOSE
Vapor
valve
System Manifold
(Optional Acc) Eco Cycle Aurora
Cylinder with over
protection sensor
Low pressure side
High pressure side
High pressure side
Liquid port
Safety cable
Filter
CLOSE
CLOSE
CLOSE
HOWTOUSE
◆ UseourLimitScale(CodeNo.LS452)whenacylinderwithoutoatsensorisused.
◆ Thisreplaceoperationdoingassoonaspossibletoavoidspoilingthequalityoflterdrier.
CAUTION
CAUTION
◆ Therecoverymachinewillnotstartwithoutconnectingthesafetycable.
CAUTION
◆ Makesuretheinstallingdirection.
◆ Connectthelterdryerwithholdingtheinletvalve
bywrench.
◆ Replacetheltereveryrecoveryof90kgorwhenitisclogged.
CAUTION

11
ECOcycleAurora Ⅱ
① [OPEN]highpressuresidevalveofmanifold.
② [OPEN]suctionvalve.
 [PURGE]Switchingvalve.
 [OPEN]dischargevalve.
③ [Disconnect]thehosewhichisconnectedtotheliquidportofthecylinder.
＊ Holdthehosetightly.
④ [OPEN]theballvalveofthehose.
⑤ SettheAutoOFF/Manualswitchtothe[Manual]position.
⑥ SetthePowerswitchtothe[ON]position.
⑦ Whenthesuctionpressurereachesvacuum,setthevalveoftherecoverymachinetothe[Purge]
position.
⑧ [Connect]hose（③）toliquidsideofcylinderafterthesuctionpressuregaugewasreachvacuum
again.
⑨ SetthePowerswitchtothe[OFF]position.
2）Evacuationoftherecoverymachineandthehoses
CLOSE
Liquid valve
OPEN
TAKE OFF
CONNECTION
8
3
CLOSE
Vapor valve
Tightly grip
System Manifold
(Optional Acc) Eco Cycle Aurora
Cylinder with over
protection sensor
CLOSE
Low pressure side
CLOSE
High pressure side
OPEN
Ball valve
CONTINUOUS
OPERATION
5
ON
6
OFF
9
PURGE
7
OPEN
Suction valve
PURGE
Switching valve
OPEN
Discharge valve
1
2 2 2
4
OPEN
Ball valve
4
CLOSE
Low
pressure side
High
pressure side
CLOSE
Hose
HOWTOUSE

12
ECOcycleAurora Ⅱ
① Seteachvalveasabove.
② SettheAutoOFF/Manualswitchtothe[AutoOFF]position.
＊ Incase ofautomaticallystop,Theinletside pressuremustbehigherthanatmospheric pressure
formachineoperation.
③ SetthePowerswitchtothe[ON]position.
④ Slowly[OPEN]theballvalveofsuctionhose.
⑤ Theunitautomaticallystopswhenthesuctionpressurebecomes-0.03MPa(psi).
⑥ [CLOSE]theballvalveofsuctionhose.
⑦ SetthePowerswitchtothe[OFF]position.
⑧ [CLOSE]highpressuresideofManifoldandsystem.
3）Recovery/Reclaimprocedure
OPEN
Liquid valve
OPEN
CLOSE
Vapor valve
System Manifold
(Optional Acc) Eco Cycle Aurora
Cylinder with over
protection sensor
CLOSE
CLOSE
Ball valve
OPEN
Ball valve
Auto OFF
2
ON
3
OFF
7
OPEN
Suction valve
RECOVERY
Switching valve
OPEN
Discharge valve
OPEN
SLOWLY
OPEN
4
CLOSE
6
CLOSE
8
CLOSE
8
Low pressure side
High pressure side
CLOSE
Low
pressure side
High
pressure side
Aftertherecoveryoperation,leavethe
systemfor5to10minutestoseeifthe
refrigerantmixedintherefrigerationoil
willevaporate.
Ifthepressurerisesfromthesetvalue,
repeattherecoveryoperation.
Refrigerant Chargedvalue Setvalue
R12、R500、R502、
R509、R22、R134a、
R412A、R407C、R407D、
R410A、R507A、R404A
lessthan2kg 0MPa
（psi）
2kgormore － 0.01MPa
（－ 1.4psi）
HOWTOUSE
◆ Warmuptheunitwhenoperatinglowerthantemperatureof10℃ .
 Refertopage17“WarmingupOperation”
◆ ConnectthechargefastertosuctionportwhenrecoveringR134aandR12andwarm
uptheunit.
 Refertopage13“Recovery/reclaimmethodinrecoveringR134aandR12”
CAUTION

13
ECOcycleAurora Ⅱ
■Usethechargefaster（optionalaccessory）
■Warmup
Recovery/reclaimmethodinrecoveringR134aandR12
① ConnecthosesasaboveaftercarryoutPage11“2)Evacuationoftherecoverymachineandthe
hoses”
② SettheAutoOFF/Manualswitchtothe[AutoOFF]position.
③ SetthePowerswitchtothe[ON]position.
④ Asopeningtheballvalveofthesuctionhose,adjustsuctionpressuretoaround0.2MPa（29psi）,
keepoperatingfor5to7minutes.
 [IncaseofR134a,thesuctionpressureuntilbecome1.0MPa（145psi）]
⑤ Afteroperatingfor5to7minutes,[OPEN]suctionvalve.
⑥ Slowlyopentheballvalveofthesuctionhosewhichalmostopenedwithtaking20seconds.
⑦ Followordinalrecovery/reclaimprocedure.
SLOWLY
OPEN
OPEN
Liquid valve
CLOSE
Vapor valve
System Manifold
(Optional Acc) Eco Cycle Aurora
Cylinder with over
protection sensor
OPEN
Ball valve
Auto OFF
2
ON
3
6
OPEN
Suction valve
RECOVERY
Switching valve
CLOSE
Discharge valve
Charge faster
（optional accessory）
CLOSE
Ball valve
CLOSE
Low pressure side
OPEN
High pressure side
CLOSE
Low
pressure side
OPEN
High
pressure side
OPEN
5
At 0.2MPa (29psi)
Maintain
4
● Operateinaccordancewithfollowingprocedure.
● Connectthechargefaster（optionalaccessory）betweenthesuctionsidecharging hose and the
manifold.
● Alwayswarmuptheunitregardlessoftemperature.
HOWTOUSE

14
ECOcycle Aurora Ⅱ
● FollowthefollowingprocedurewhenR410Aorrefrigerantathighpressurebyheatisrecovered.
 See“Liquid/VaporRecoveryProcedure”forthestandardoperation.
● CoolingUnit (Code No. ES801) canlowerthetemperatureof refrigerant athighpressureby
approximately5to10℃ .
 Itimprovestherecoveryrate.
 SeetheinstructionmanualofCoolingUnitfordetailedinformation.
● Useanevacuatedsparecylinder.
■UseCoolingUnitCL3(optionalaccessory)
■Replacementofsparecylinder
RecoveryProcedureofR410AorWhenthePressureofRefrigerantisHigh
HOWTOUSE
◆ Noncondensablesubstance(air)mayexistinthecylinderwhenthetemperatureofthe
cylinderrisesabnormallyduringrecovery.
 Removetheairorreplacethecylinder.
◆ ThemethodofremovingairisrefertoPage18“HowtoPurgeNoncondensableGases”
CAUTION

15
ECOcycleAurora Ⅱ
① Settingupastheabovedrawing.
② Turnswitchingvalveto[PURGE]position.
＊ Donotturnthevalveduringoperation.
Otherwise,thedischargepressuregaugemaybedamaged.
③ SettheAutoOFF/Manualswitchtothe[AutoOFF]position.
＊ Incaseofautoo󱐯,theunitdoesnotstartswhensuctionpressureislowerthanatmospheric
pressure.
④ SetthePowerswitchtothe[ON]position.
⑤ [PURGE]withadjustingsuctionpressurelessthan0.2MPa.
⑥ [CLOSE]theliquidportofthecylinderwhenthemachinestopsautomatically.
⑦ Turnthedischargepositionand[CLOSE]theballvalveofthehoseatthedischargeside.
⑧ SetthePowerswitchtothe[OFF]position.
⑨ [Disconnect]thehoses.
＊ Thereisvaporrefrigerantleftintherecoverymachineandthehoseofthedischargeside.
Connectthehoseofthedischargesidetoanevacuatedcylindertorecovertherefrigerantleftin
therecoverymachineandthehose.
4）RefrigerantDischarge(Purge)Procedure
OPEN
Liquid valve
CLOSE
Vapor valve
System Manifold
(Optional Acc) Eco Cycle Aurora
Cylinder with over
protection sensor
CLOSE
Ball valve
OPEN
Ball valve
Auto OFF
3
ON
4
OFF
8
高圧側
Suction valve
PURGE
Switching valve
OPEN
Discharge valve
2
CLOSE
CLOSE
Low pressure side
CLOSE
High pressure side
CLOSE
Low
pressure side
High
pressure side
CLOSE
CLOSE
7
0.2MPa
PURGE
5
CLOSE
7
CLOSE
6
HOWTOUSE
◆ Wearprotectivegogglesandrubber(leather)glovesasaminuteamountofrefrigerantisdischarged.
 Ifrefrigerantfallsinyoureyesortouchesyourskin,itmayleadtosightlossorcoldinjury.
CAUTION
◆ Adjustsuctionpressurelessthan0.2MPaonpurging.
 Thismaycauseofdamagingcompressor.
CAUTION

16
ECOcycleAurora Ⅱ
Oildischargeoperatewhenturnontheoiltankfulllump（①～⑧）ornishdailyoperation（⑤～⑧）.
① [CLOSE]theballvalveofsuctionhose.
② Startingmachine duringpushthetankfull
bypassswitchonthelowerrightofhandlein
thebackpanelunderturntoautomaticallystop
ofpowerswitch.
＊ Keeppushingtheswitch,theswitchwill get
backifstoppushing.
③
Thismachinewillbeautomaticallystopwhen
thesuctionpressurereach－ 0.03MPa（－ 4.4psi）
.
④ Switch[OFF]themachine.
⑤
Adjustpressureinordertosuctionsidepressure
gaugebecome0.1MPa（14.5psi）－0.2MPa（29psi）
duringopentheballvalveofsuctionhose.
⑥ [REMOVE]thecapofoildischargeportonthe
backofmachine.
⑦ Slowlyopen thevalveanddischargeoilto
othercontainer.
＊Theoiliscollectingabout2Lwhenthetankis
full.
⑧ [CLOSE]thevalveafterdischargeoil.
 [CLOSE]thecapofoildischargeportafter
nishdischargeofoil.
Checkingeach100hoursoperationorpermonthoperationiftheoil or contamination is
accumulatingintheelectrostaticlter.
DischargeOilMethod(Oilseparator)
DischargeOilMethod(Electrostaticlter)
OIL SEPARATOR
OIL DISCHAGE PORT
TANK FULL
BYPASS SWITCH
ELECTROSTATIC FILTER
OIL DISCHARGE PORT
HOWTOUSE
① Adjustpressureinordertosuction side
pressuregaugebecome0.1 － 0.2MPaduring
opentheballvalveofsuctionhose.
② [REMOVE]capofoildischargeport.
③ Slowlyopen thevalveanddischargeoilto
othercontainer.
④ [CLOSE]thevalveafterdischargeoil.
 [CLOSE]thecapofoildischargeportafter
nishdischargeofoil.

17
ECOcycleAurora Ⅱ
Inthismachineneedwarmupoperationfordropdowntheeffective of heat exchange in the oil
separatorwhenthetemperaturebecomeunder10℃ .Pleasefollowupthewarmupoperation.
WarmupOperation
SLOWLY
OPEN
System Manifold
(Optional Acc) Eco Cycle Aurora
Cylinder with over
protection sensor
6
OPEN
Liquid valve
CLOSE
Vapor valve
OPEN
Ball valve
CLOSE
Ball valve
CLOSE
Low pressure side
OPEN
High pressure side
Auto OFF
2
ON
3
CLOSE
Low
pressure side
OPEN
High
pressure side OPEN
Suction valve
RECOVERY
Switching valve
CLOSE
Discharge valve
OPEN
5
At 0.2MPa (29psi)
Maintain
4
HOWTOUSE
① ConnecthosesasaboveaftercarryoutPage11“2)Evacuationoftherecoverymachineandthe
hoses”
② SettheAutoOFF/Manualswitchtothe[AutoOFF]position.
③ SetthePowerswitchtothe[ON]position.
④ Asopeningtheballvalveofthesuctionhose,adjustsuctionpressuretoaround0.2MPa（29psi）,
keepoperatingfor5to7minutes.
 [IncaseofR134a,thesuctionpressureuntilbecome1.5MPa（145psi）]
⑤ Afteroperatingfor5to7minutes,[OPEN]suctionvalve.
⑥ Slowlyopentheballvalveofthesuctionhosewhichalmostopenedwithtaking20seconds.
⑦ Followordinalrecovery/reclaimprocedure.

18
ECOcycle Aurora Ⅱ
HowtoPurgeNoncondensableGases
Leavethecylinderformorethan2hours.
① Measure thesurface temperature ofthe
cylinder.
② Connectapressuregaugetotheliquidportof
thecylinderandcheckthepressure.
③ Seethesaturationtemperatureandpressure
chart.（chart1）
④ Comparepressureinthechartwithpressure
ofthecylinder.
⑤ Ifthepressureofthe cylinder is higher by
0.0345MPa（5psi）thanpressureinthechart,
openthevaporvalveofthecylindertopurge
for15second.
⑥ Leavethecylinderfor3minutesandcheckthepressureagain.
⑦ Purgethecylinderrepeatedlyuntilthe pressure ofthecylinder becomes intherangeof
± 0.0345MPa（5psi）.
Liquid Vapor
Temperature 
（℃）
Saturationpressure（MPa）
R22 R410A R134a
－ 10 0.2534 0.4776 0.0998
－8 0.2791 0.5185 0.1161
－6 0.3063 0.5616 0.1335
－4 0.3349 0.6069 0.1519
－2 0.3650 0.6545 0.1714
0 0.3996 0.7044 0.1920
2 0.4298 0.7569 0.2138
4 0.4647 0.8119 0.2369
6 0.5012 0.8695 0.2612
8 0.5395 0.9300 0.2868
10 0.5796 0.9930 0.3138
12 0.6216 1.0590 0.3422
14 0.6654 1.1280 0.3721
16 0.7112 1.2000 0.4035
18 0.7590 1.2750 0.4364
20 0.8089 1.3530 0.4709
22 0.8609 1.4350 0.5071
24 0.9150 1.5200 0.5449
Temperature 
（℃）
Saturationpressure（MPa）
R22 R410A R134a
26 0.9714 1.6080 0.5846
28 1.0301 1.7000 0.6260
30 1.0911 1.7960 0.6693
32 1.1544 1.8950 0.7145
34 1.2203 1.9980 0.7616
36 1.2886 2.1050 0.8108
38 1.3596 2.2160 0.8621
40 1.4331 2.3320 0.9155
42 1.5093 2.4510 0.9710
44 1.5883 2.5750 1.0289
46 1.6702 2.7030 1.0890
48 1.7549 2.8360 1.1515
50 1.8425 2.9740 1.2164
52 1.9332 3.1160 1.2838
54 2.0269 3.2631 1.3538
56 2.1238 3.4150 1.4265
58 2.2240 3.5720 1.5018
60 2.3275 3.7350 1.5799
Chart1 Thesaturationtemperatureandpressure（Pressureisgaugepressure）
Conversion:0.1MPa=14.5psi
HOWTOUSE

19
ECOcycle Aurora Ⅱ
RECOVERYCYLINDER
● Refrigerantisahighpressuregasandmistakesinuseorhandlingwillleadtoaseriousaccident.
Riskofoverlling
Thepressureoftherefrigerantvariesdependingontheambient
temperaturewhentherefrigerantislledinacylinder.
Atthistime,loweringoftheliquidlevelbyevaporationandrising
oftheliquidlevelbyspecicvolumeincreaseoccuratthesame
timeandbalance.
Atthistime,risingoftheliquidlevelbyliquefactionandlowering
oftheliquidlevelbyspecicvolumedecreaseoccuratthesame
timeandbalance.
Therightgraphshowstherelationbetweenthepressure
(saturationpressure)andthetemperature (saturation
temperature)foreachkindofrefrigerant.
Thisrelationbetweenthesaturationpressureandthesaturation
temperatureisfoundwhenboth liquid and vapor exist in a
cylinder.Normallytheinsideofthecylinderisunderthis
conditionandthischartisusefulforeldoperation.
Whenacylinderisalmostfullwithliquidandnovapor, the
pressurerisesrapidlyevenwithaslightincreaseintemperature.
Thisphenomenonmustbeavoidedinanycircumstances.
1） Relationbetweenthetemperatureandthepressureofrefrigerantinacylinder
Temperature
rises
Someliquidrefrigerant
evaporates
Pressurerises
Temperature
drops
Somevaporrefrigerant
liquees
Pressuredrops
RECOVERYCYLINDER
-30
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
-0.1
Saturationpressureofliquidrefrigerant（MPa）（Gaugepressure）
-20 -10 010
Saturationtemperatureofliquidrefrigerant（℃）
20 30 40 50 60
R12
R502
R22
R134a
R407C
R410A
R404A
R507A
Saturationpressureandsaturationtemperature
ofeachtypeofrefrigerant
Temperatureandpressure
ofrefrigerantincylinder
Saturated
vapor
Saturated
liquid
Saturated
vapor
Saturated
liquid
R22
23.8kg/cm2
/337.85psi
at60℃
R22
11.1kg/cm2
/158.05psi
at30℃
R12
6.6kg/cm2
/94.25psi
at30℃
R12
14.8kg/cm2
/210.25psi
at60℃
Solar
radiation
heat