Asada Eco Series User manual

AIR CONDITIONING TOOL
VACUUM PUMP SERIES
Ver.3
【 Read through this manual carefully before using the pump. 】
INSTRUCTION MANUAL

VACUUM PUMP
1
Fire
Do not take
apart Burn injury Wear protective
equipments
220V Electric shock Explosion
Other
Rotation parts
Gas caution
220V
 SAFETYPRECAUTIONS........................ 2
 COMPONENTSOFTHEMACHINE
... 5
  MainParts ................................................. 5
  Specications ............................................. 6
  StandardAccessories................................ 6
  OptionalAccessories ................................ 6
HOWTOUSE ............................................. 7
  Preparation ................................................. 7
  PerformanceTest ...................................... 8
  ForE󱐯ectiveOperation ............................. 8
  Vacuuming ................................................. 9
MAINTENANCE&INSPECTION.........11
  OilCheck ....................................................11
  OilChange .................................................11
  VacuumLevelCheck ................................12
  OilApplication............................................12
  AmbientTemperature ................................12
 BEFOREASKINGFORREPAIRS ......13
WARNING
Indicatesapotentiallyhazardoussituationwhich,ifnotavoided,could
resultindeathorseriousinjury.
Precautionarysignsareclassiedintothefollowing2levels.
SAFETY PRECAUTIONS
CLASSIFICATION OF CAUTIONS
CONTENTS
Indicatesapotentiallyhazardoussituationwhich,ifnotavoided,mayresultin
minorormoderateinjury.Itmayalsobeusedtoalertagainstunsafepractices.
CAUTION
ThankyouforchoosingourVacuumPump series.
●Thisinstructionmanualmustberetainedbytheuserofthispump.
●Readthisinstructionmanualcarefullyandcompletelybeforeuseandthoroughly
understandtheusage,capacity,cautionsandmaintenanceforcorrectoperation.
●Handlethepumpproperlytomakefulluseofitsfunctionsforsafework.
●Afterreadingtheinstructions,savethismanualsothatyoucanreaditwhennecessary.
●Usethepumpfortheintendedapplicationonly.Itwilldoabetterjobandbesaferat
therateforwhichitwasdesigned.
●Uponreceivingthepump,checkthefollowing.
 ・ Checkthatthepumpisbuiltconformingtothespecicationsstatedinyourorder.
 ・ Checktheoverallpumpforanydamageordeformationcausedintransitdueto
accidentsorotherreasons.
 ・ Checkthatallitemsandaccessoriesdelivered.
Incaseanydiscrepancyisfound,immediatelyreportthefacttotheshopyoupurchasedor
oursaleo󱐰ce.(Thecontentsofthismanualaresubjecttochangewithoutpriornotice.)

VACUUM PUMP
2
●Basiccautionstousethepumpsafelyarelistedinthissection.
●Thedetailedcautionsinoperationaredescribedineachchapter.
CAUTIONS IN USE
WARNING
◆ Only qualied persons are allowed to disassemble the pump.
◆ Do not modify the pump.
 Itmayleadtomechanicalfailureoraccident.
◆ Do not put a nger or a stock to the turning part of motor.
 Itmayleadtoaccidentorinjury.
◆ Do not touch the pump part during or soon after operation.
 Thepumppartbecomeshotanditmayleadtoburninjury.
◆ Wear protective glasses and gloves during operation.
◆ The power source should be AC220-240V.
 Ifthepowersourceisnotcorrect,itmayleadtoheating,smokingorre.
 Seethespecicationinthisinstructionmanual.
◆ Do not operate the pump in rain or with wet hands.
 Operationinrainorwithwethandsmayleadtoelectricshock.
◆ Always ground the pump.
 Ifthepumpisnotgrounded,itmayleadtoelectricshockormechanical
failure.
◆ Always inspect the power plug and plug in securely.
 Adirtyplugandincompleteconnectionmayleadtoelectricshockorre.
220V

VACUUM PUMP
3
WARNING
◆ Do not use the power cord concurrently with other electrical
equipments and avoid overload connection.
◆ Do not pull the power cord to disconnect from the outlet.
 Itmayleadtoelectricshock,reorinjury.
◆ Do not use the pump in an area where gasoline, thinner or any
other combustible gas may exist.
 Itmayleadtoexplosionorreasthepumphassparksinstartingorduring
operation.
◆ When unattended, blackout or servicing, switch o󱐯 and unplug
the pump.
 Thepumpwillstartsuddenlyanditmayleadtoaccident.
◆ The pump should be used in a well-ventilated area especially in
a small space.
 Otherwiseanaccidentallackofoxygenorpoisoningmayhappen.
◆ Use or store the pump on a level place.
 Theoilmayleakanditmayleadtoaccident.
◆ Be careful about oil leakage. Make sure no vacuum pump oil
leaks.
 Itmayleadtore.

VACUUM PUMP
4
CAUTION
◆ An extension cord used should be a three-core cabtyre cable
with a length of 10m or less when its diameter is 2.0㎡ .
 Anunsuitableextensioncord(toothinortoolong)mayleadtostarting
failureorre.
◆ Do not let visitors touch the pump.
 Thepumpshouldbeusedbyapersonwhoreadthroughtheinstruction
manualandunderstandsitcompletely.
◆ Do not use the pump for purposes other than the original
intent.
 Thispumpisdesignedtoevacuateairfromsystemsorrecoverycylinders.
◆ Do not use the pump when the result is unpredictable.
◆ Do not overload the pump.
 Itwillleadtomechanicalfailureoraccident.
◆ Keep your work bench and area tidy and well lit.
Badworkingconditionsinviteaccidents.
◆ Do not operate the pump when you cannot concentrate on your
work due to fatigue, drinking, medication and so on.
◆ When not in use, the pump should be stored in dry and high or
locked-up place – out of reach of children.
◆ Use only the accessories or attachments given in this manual
and our catalogs.
 Otherwiseitwillleadtoaccidentormechanicalfailure.
◆ If you have dropped or hit the pump accidentally, carefully
check for damage, crack or deformation.
◆ Always check for deformation, corrosion and so on in each
part of the pump.
◆ Immediately stop the pump if something is wrong with the
pump (unusual smell, vibration, sound) and refer to “BEFORE
ASKING FOR REPAIRS”. Do not disassemble the pump without
reason and ask for repairs.
 Contactourauthorizeddistributorsforrepairs.

VACUUM PUMP
5
COMPONENTS OF THE MACHINE
Main Parts
Fan cover
Nameplate
Caution label
Motor
Base
Power switch
2・4・6・8 C F M
Rubber legs
Intake 1/4” (2CFM)
3/8” ( 4・6・8 C F M )
Intake 5/16” (2CFM)
1/4” ( 4・6・8 C F M )
Solenoid valve
Oil filler port
Intake 1/4”
Intake 5/16”
Handle
Exhaust port
Sight glass
Oil filler/
exhaust port
Oil reservoir cover
Gas
ballast
plug
Oil drain plug
Oil drain plug
1.8CFM

VACUUM PUMP
6
Item Vacuumpump
1.8CFM 2CFM 4CFM 6CFM 8CFM
CodeNo. WV211 WV221 WV241 WV261 WV281
Pump 2-stage
Exhaustrate
(50/60Hz)
42/50L/min 51/57L/min 100/113L/min 142/170L/min 198/226L/min
Ultimate
vacuum
3Paabs.
(25micron)
2Paabs.
(15micron)
Pumpspeed
(50/60Hz)
2,880/3,440min
－1
1,440/1,720min－1
Motor
220-240V 200W 250W 375W 550W 550W
Oilcapacity 150ml 260ml 390ml 580ml 460ml
Intake 1/4、5/16 1/4、5/16 1/4、3/8 1/4、3/8 1/4、3/8
Weight 5.0kg 9.4kg 11.2kg 16.5kg 17.0g
Dimensions
（L×W×H）
260 × 105
× 200mm
308 × 124
× 230mm
335 × 138
× 265mm
390 × 145
× 290mm
395 × 153
× 300mm
Specications
Item CodeNo. 1.8CFM 2CFM 4CFM 6CFM 8CFM
Vacuumpumpoil230ml WV014 ○ － － － －
Vacuumpumpoil350ml WV002 － ○ ○× 2 ○× 2 ○× 2
Adapterfordi󱐯erentdiameter
1/4 "femalex5/16" male
Y06114K －－○○○
Instructionmanual IM0037 ○ ○ ○ ○ ○
Item CodeNo.
Vacuumpumpoil470ml Y93091
Vacuumpumpoil950ml Y93092
Vacuumpumpoil3.8L Y93094
1/4"QuickchargingvalveA Y18975
Item CodeNo.
5/16"QuickchargingvalveA Y18985
Electronicvacuumgauge Y69075
Digitalvacuumgauge Y69086
Standard Accessories
Optional Accessories

VACUUM PUMP
7
HOW TO USE
Preparation
①Removethecapofoilllerport(exhaust
port).
②Fillwithvacuumpumpoiluntiloillevelisa
littlehigherthanthebottomofsightglass.
※Useafunnelforoillling.
③Putthecapofoilllerport(exhaustport)
back.
④Removethecapofintake.
⑤Pluginasocket.
⑥Switchonthepumpandrunforabout30
secondsuntilthepumpreachesrunning
speed.
⑦Putthecapofintakeback.
⑧Afterrunningforabout1minute,checkif
oillevelreachesthelevellineonthesight
glass.Relloilifnecessary.
⑨Switcho󱐯thepump.
CAUTION
◆ Insu󱐰cient oil will result in poor vacuum performance.
◆ The pump may not start when the temperature of the pump
and oil is 5℃ or less.
 Warmingupisnecessaryintheareawherethetemperatureis5℃orhigher.
◆ The pump may not restart soon after shut-o󱐯. Wait for a
while and switch on the pump again.
Level line
Sight glass
Exhaust port
1.8CFM
2・4・6・8 CFM
Sight glass
Level line
Exhaust port
1.8CFM
2・4・6・8 CFM
CAUTION
◆ Excessive oil can result
in overowing of oil from
exhaust/oil ller port.

VACUUM PUMP
8
Performance Test
①Connectthelowpressuresideofmanifold
tointakeofvacuumpumpwithacharging
hose.
②Closethelowpressuresidevalveof
manifold.
③Switchonthepumpandcheckifthelow
pressuregaugeofmanifoldindicates
" － 0.09 ～－ 0.1MPa"within30seconds.
④Switcho󱐯thepump.
1）Simplied test method
2）Accurate test method
①Connectelectronicvacuumgaugetointake
ofvacuumpump.
②Switchonthepumpandcheckifthe
readingis13.33Pa(100micron)after20 ～
30minutes.
Intake
Vacuum pump Electronic vacuum gauge
Intake
Manifold Vacuum pump
Low pressure
side valve
Close
For E󱐯ective Operation
①Thecharginghosebetweenthepumpand
thesystemshouldbeasshortaspossible
anditsdiametershouldbeaslargeas
possible.(1/4" ＜ 3/8" ＜ 1/2")
②Vacuumspeedcanbeimprovedby
removingthevalvecoreofsystemandthe
coredepressorofcharginghose.
※Optionalaccessories
 Y189751/4"QuickchargingvalveA
 Y189855/16"QuickchargingvalveA
Remove valve core
Improve vacuum speed

VACUUM PUMP
9
③Opengasballastplug.(except1.8CFM)
④Pluginasocketandswitchonthepump.
CAUTION
◆ Always ground the pump.
 Ifthepumpisnotgrounded,itmayleadtoelectricshockincaseof
mechanicalfailureorelectricalleakage.
Vacuuming
①Closethelowandhighpressuresidevalvesofmanifold.
②Connectthecharginghosesasbelow.
※IncaseofvacuumingfrompipingforR410A,attachtheprovidedY06114A
Adapterfordi󱐯erentdiameter1/4"femalex5/16"maletointake.
1）Vacuuming
Low pressure
(vapor) side
Intake
Charging hose
yellow
Charging hose
blue System
Manifold Electronic vacuum gauge
Vacuum pump
High pressure
side valve
Close
Low pressure
side valve
Close
Gas ballast
plug
Open

VACUUM PUMP
10
CAUTION
◆ Disconnect the plug after operation.
◆ Do not upset the pump during operation or transportation.
 Oilleaksfromexhaust/oilllerport.
High pressure
side valve
Close
Low pressure
side valve
Close
⑦Keeprunningthepumpandclosethe
lowpressuresidevalveofmanifoldwhen
reachestotherequiredvacuumlevel.
⑧Switcho󱐯thepump.
⑤Openthelowpressuresidevalveof
manifoldslowly.
⑥Closegasballastplugwhenthereading
onelectronicvacuumgaugeis133.3 ～
266.6Pa(1000 ～ 2000micron).(except
1.8CFM)
※Gasballastplugshouldbeclosedtolower
vacuumlevel.
Low pressure
side valve
Open
slowly
High pressure
side valve
Close
Electronic vacuum gauge
133.3 ～ 266.6Pa
(1000 ～ 2000 micron)
Gas ballast
plug
Close

VACUUM PUMP
11
●Inspectandcleanregularlyasinstructedbelowandperformcorrectionor
replacementtimely.
MAINTENANCE & INSPECTION
Oil Check
●Alwayscheckoillevelbeforeoperation.
●Changeoilevery20hoursoperation.
●Changeoilaftereveryoperationwhenthe
pumpisusedforanoldsystem.
●UseAsadagenuineoilforbest
performance.
Oil Change
①Removethecapofintake.
②Runthepumptowarmupoil.
Level line
Sight glass
Intake
1.8CFM
2・4・6・8 CFM
Oil drain
plug
1）Warming up
③Switcho󱐯thepump.
④Removeoildrainplugandtiltthepumpto
drainoil.
⑤Putoildrainplugback.
2）Oil drain
⑥Removethecapofoilllingport(exhaust
port).
⑦Fillnewoiluntiloillevelisalittlehigher
thanthebottomofsightglass.
⑧Putthecaptooilllingport(exhaustport)
back.
⑨Switchonthepump,putthecaptointake
andkeeprunningthepumpfor1minute.
⑩Checkifoilreachestothelevelline.If
necessary,relloilwhilerunningthepump.
※Whenoiliscontaminatedwithsludgeor
water,removeoilreservoircoverandclean
insidethereservoirbeforellingnewoil.
3）Oil lling
Sight glass
Level line
1.8CFM
2・4・6・8 CFM

VACUUM PUMP
12
Vacuum Level Check
●Checkthevacuumlevelofpumpwith
electronicvacuumgaugeregularly.
●Changeoilregularly.
Intake
Vacuum pump Electronic vacuum gauge
Oil Application
●ApplyvacuumpumpoiltotheO-ringof
intakecapandthegasketofexhaust/oil
llingport.
Ambient Temperature
●Pumpmaynotstartunlessthetemperature
is5℃orhigher.

VACUUM PUMP
13
BEFORE ASKING FOR REPAIRS
●Refertothefollowingfailurediagnosisbeforeaskingforrepairs.
 Contactourauthorizeddistributorsforrepairs.
Symptom Cause Solution
Thepump
willnotstart.
①
Thepowercordisnotpluggedin.
② Thevoltageistoolow.(within± 10%)
③ Theambienttemperatureistoolow.
④ Poorwiringconnection.
⑤ Thepumpislocked.
⑥ Motorfailure.
① Pluginthepowercord.
②
Useashorterextensioncord.
③ Warmupthepumpindoors.
④ Repair.
⑤ Repair.
⑥ Repair.
Thepump
willnotpull
enough.
① Leakingfromthesystem.
② Gasballastplugisnotclosed.
③ Insu󱐰cientoil.
④ Dirtyoil.
⑤ Pumppartsarewornout.
⑥
Damagedttings,gasketsandseals.
⑦ Motorfailure.
① Repairthesystem.
② Closegasballastplug.
③ Rellorchangeoil.
④
Cleanreservoirandchangeoil.
⑤ Repair.
⑥ Repair.
⑦ Repair.
Oilleakage.
①
Damagedgasketsandshaftseals.
② DamagedO-ringofoildrainplug.
③ Oildrainplugisloose.
① Repair.
② ReplaceO-ring.
③ TightenOildrainplug.
Abnormal
noise.
① Motorfailure.
② Bearingfailure.
③ Loosebolts.
④ Pumpfailure.
⑤ Airissucked.
① Repair.
② Repair.
③ Tightenbolts.
④ Repair.
⑤
Tightencapsandconnections.
 ReplacegasketsandO-rings.
 Replacettingsorre-sealthem.

VACUUM PUMP
14

● CUSTOMER NOTE
Please enter the following for future use.
This note will be useful in making inquiries and placing purchase orders for parts.
Serial No. ：
Date of Purchase ：
Sales Representative ：
コード No. IM0037 PRINT No. 151000A