CKD HD-0.5 User manual

ＣＫＤCorporation
15-097thedition90-8698-A
HEATLESSAIRDRYER
INSTRUCTIONMANUAL
HD-0.5
HD-1
HD-1.5
HD-2
HD-4
HD-6
HD-9
●Besuretoreadthismanualbefor
einstallingandoperating
yourHEATLESSAIRDRYER.
●
Keepthismanualwithinthereachofanoperatorallthe
time.

Thankyouforpurchasingourqualityproduct,“Heatlessairdryer”.
Forproperapplicationofit,pleasereadthismanualwellpriortostartoperating
it.
Bewareofcausingunexpectedtroublesometimes,otherwise,notonlymayfailto
attainthecapacitytoitsfullextent.
Keepthisbookletincustodytopreventmisplacingit.
FORWARD

TableofContents
1. CAUTIONS··············································1
2. DESCRIPTIONOFFUNCTION······························2
3. CAUTIONSATINSTALLATION······························3
4. MAINTENANCE&CAUTIONATMAINTENANCE·················3
5. TROUBLESHOOTING······································6
6. HEATLESSAIRDRYERINSTALLATIONDIAGRAM···············7
7. OUTLINEDRAWING······································8
8. PNEUMATICCIRCUITDIAGRAM···························11
9. OVERHAULING·········································12
10.ELECTRICWIRINGDIAGRAM······························13
11.ELECTRICCIRCUITDIAGRAM·····························14
12.CHANGE-OVERTIMECEART······························14
13.LISTOFSPAREPARTS··································15
14.HOWTOREADTHEMOISTUREINDICATOR···················18
15.HOWTOMEASURETHEDEWPOINT·························18
16.SPECIFICATION········································19

1
1) Donotusethedryertoremovehumidityofexceptcompressedair.
*Breakdown,explosion,orfiremayresult.
2) Installanearthleakagebreakeronthepowersupply.
*Electricshockmayresult.
3) Needtoearthwiring.
*Causesofanelectricshockorafire.
4) Operatethedryerwithinspecificationranges.
*Operationmaystopabnormally,ortheproductsservicelifemaybeshortened.
5) Donotturnonthepowerswitchwithoutenclosures.
*Electricshockorheatinjurymayresult.
6) Donotremodelthisdryer.
*Break-downorshorterlifetimeoftheproductmayresult.Ifyoudid,thewarranty
isexpired.
7) Donottouchanyparts,wires,terminalsorpipinginsideofthedryer.
*Causesofanelectricshockorafire.
8) If emergency stop occurs during operation, remove the cause of abnormal
conditionsreferringtothetroubleshooting.
*Iftheemergencystopoccursrepeatedly,thismaycausethedryertomalfunction.
9) Do not use the dryer for pneumatic caisson shield or respiratory medical
equipment.
*Itcouldcauseanaccidentincludesinjury.
10) Donotusethedryerfortransportationdevicessuchasautomobile,shipetc.
*Vibrationcouldbeacauseofbreakdownoftheinternalcomponents.
１
．
CAUTIONS

2
Equippedwithuniquevalvemechanism,CKDHeatlessDryersaresimpleinstructure
andhaveexcellentdryingefficiency.
Intheleft-hand-sidefigure,solenoidvalve(F)is
closedwhilevalve(D)isopen.Thewetcompressed
airfrominletpassesthroughdesiccanttube(A)and
getsdried.Mostofthisdryairflowsouttooutlet,
whileasmallquantitypassesthroughorifice(B)for
pressurereductionbeforeflowingintodesiccant
tube (C). Here, the wet desiccant is removed of
moisturebeforepassingthroughsolenoidvalve(D)
and finally being discharged to the atmosphere.
(Regenerativepurging)
Intheleft-hand-sidefigure,thetimerkeepsboth
ofthesolenoidvalve(D)and(F)closedduringthe
stationarystage.Here,theairfromdesiccanttube
(A)flowsintodesiccanttube(C)throughorifice
(B),virtuallybalancingthepressuresin(A)and
(C).
Thesolenoidvalve(F)isopenedbythetimer,but
since(D)remainsclosed,thepressureindesiccant
tube(A)dropsimmediately,causingballchecks(E)
and(G)tomakeaquickshiftrightward.
Thisclosestube(A),andturnsthemaincurrentof
compressedairtotube(C),wheretheairisdried.
Apartofthecompressedairpassesthroughorifice
(H)forpressurereductionbeforeflowingintotube
(A), where the desiccant is removed of moisture
beforebeingdischargedtotheatmospherethrough
solenoidvalve(F).(Regenerativepurging)
２
．
DESCRIPTIONOFFUNCTION

3
3-1) Seetoitthattheambienttemperatureis-1〜52℃.
3-2) Provideaspaceofapproximately500mmatthetop,bottomandfrontin
order to enable the replacement of desiccant tube, solenoid
valve,etc.convenient.
3-3) Installaregulator,filterandMicroalescerintheprimarysideinorder
  toupkeeptheperformanceofdesiccant.Installthefilteralsointhe
  secondaryside.(See“InstallationDrawing”onpage4.)
3-4) Installpipestotheinletandoutletofheatlessairdryer,takingduecare
thattheremisnoleakage.
3-5) Connectthepowersourceaccordingtotheplateontheheatlessairdryer.
3-6) Connectagroundtothegroundingterminaloftheheatlessairdryerleft
side.(screwsize:M4)
3-7) Atthetimeofmaintenanceandcheck,installaby-passcircuitwithastop
valveiftheflowinsidethepipecannotbeshutoff.(See“Installation
Drawing”onpage4.)
3-8) Installplugstotheinletandoutletnotinuseinordertoavoidleakage.
4-1) Turnonthepowersourceofheatlessairdryeronlyafterapplyingpressure.
Turning on the power source before applying pressure (particularly at
pressurelessthan0.2MPa)maydeterioratethefunctionofballcheck,
causingexcessivelyhighrateofregenerativepurgingatthebeginning.
4-2) Theoutletflowrateextremelyexceedingthespecifiedvaluemaydeteriorate
thefunctionofballcheck,leadingtoexcessivelyhighrateofregenerative
purging.Henceduecareshallbepaidtothisregard.
4-3) Thedesiccant,notusedoveralongperiod(approximatelyoneweek),mayhave
becomewet.Insuchcase,stopthesecondaryvalveofheatlessairdryer
andcarryoutregenerativepurgingforabout30minutesbeforeoperation.
4-4) Theregenerativepurgingissettochangeoverfromlefttorightandvice
versaevery30seconds(every2minutesinthecaseofHD-6andHD-9).Make
surethatthechange-overismadeproperlyasspecified.
4-5) Replacementofdesiccant
Thedesiccanttowerconsistsofspring,desiccant,poroussheet,filter,
etc,andisinstalledtothemainbody.RefertoLESTOFSPAREonpage12
forreplacementofdesiccant.However,replacementshallbemadeevery1.5
〜2years.
Executeitaccordingtothefollowingnoteswhenyouremovethedesiccant
tower.
３
．
CAU
TIONATINSTALLATION
４
．
MAINTENANCE&CAUTIONATMAINTENANCE

4
① HD-0.5,HD-1,HD-1.5
Turn the hex-head part of the head
grippingit.
Donotgripitinthesizeshown(10mm)
inarightpicturewhenyouturnthe
lowersideofthetowergrippingit.
Thereisapossibilitythatairleaks
whenexcessivepowerisaddedbecause
thereisOring.
② HD-2,HD-4
Turnthehex-headpartoftheheadgripping
it.
Donotgripitinthesizeshown(10mm)in
arightpicturewhenyouturnthelower
sideofthetowergrippingit. Thereisa
possibilitythatairleakswhenexcessive
powerisaddedbecausethereisOring.
Hex-head
Hex-head

5
③ HD-6,HD-9
Turnthehex-headpartoftheheadgrippingit,orhangontheholepartwith
thepinspannerandturn.
Donotgripitinthesizeshown(15mm,10mm)inarightpicturewhenyouturn
thelowersideofthetowergrippingit. Thereisapossibilitythatairleaks
whenexcessivepowerisaddedbecausethereisOring.
4-6) Replacementofsolenoidvalve
The standard replacement period for solenoid valve is approximately 2
years.Replacebyremovingthecoverofheatlessairdryer.
Hex-head
Hole

6
Trouble Cause Countermeasure
Failurein
regenerative
purging.
・ Powersourceisnotconnected.
・ Abnormalvoltage.
・ Wiredisconnection.
・ Twosolenoidvalvesaredefective.
・ Defectivetimermotor.
・ Brokenfuse.
・ Connectthepowersource
(POWERLAMPlightsup)
・ Regulatetonormalvoltage.
・ Checkandrepair.
・ Replacethedefectivevalves.
・ Replace.
・ Check,andreplacethefuse.
Excessivelyhigh
regenerative
purging.
・ Defectivetimermotor.
・
Displacement of timer motor limit
switch(Slackenedscrews).
・
Intrusion of foreign substance in
solenoidvalve.
・ Broken plun
ger spring of solenoid
valve.
・ Worn-outtimermotorlimitswitch.
・ Excessiveoutletflowrate.
・ Replace.
・ Returntonormalposition,
referto“change-overtime
chart.”(Tightenthescrews.)
・ Overhaulandclean.
・ Replacethespring.
・ Replacethetimermotor.
・ Corr
ect to specified flow
rate.
Onlyonesideoftube
functionsfor
regenerative
purging.
・ Disconnectioninsolenoidvalve
circuit.
・ Defectivecoilofsolenoidvalve.
・ Cloggedvalveseatorifice.
・ Checkandrepair.
・ Replacethecoil.
・ Cleantheorifice.
Excessivelyhigh
regenerativepurging
inonesideoftube.
・ Intrusionofforeignsubstancein
solenoidvalve.
・ Brokenplungerspringofsolenoid
valve.
・ Ballcheckentangledinvalveseat.
・
Displacement of timer motor limit
switch(Slackenedscrews).
・ Worn-outtimermotorlimitswitch.
・ Overhaulandclean.
・ Replacethespring.
・ Overhaulandclean,or
replacetheballcheck.
・ Returntonormalposition,
referto“change-overtime
chart.”(Tightenthescrews.)
・ Replacethetimermotor.
Excessivelyhigh
regenerativepurging
forfirst10seconds,
andbacktonormal
later.
・ Incomingairpressurebelow0.2MPa.
・ Ballcheckentangledinvalveseat.
・ Excessiveoutletflowrate
instantaneously.
・ Correcttonormalair
pressure.
・
Overhaulandclean,orreplace
theballcheck.
・ Installa
tankintheoutlet
side to prevent pressure
variation.
Highoutletdewpoint,
Moisture indicator ：
LightgreenorPink
・ Lowincomingairpressure.
・ Excessiveoutletflowrate.
・ Hightemperatureofincomingair.
・ Ageddesiccant.
・ Regulatetonormalpressure.
・ Correcttonormalflowrate.
・ Correcttonormaltemperature.
・ Replacethedesiccant.
5
．
TROUBLESHOOTING