CKD HD-0.5 Manuale utente

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

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.

．

TROUBLESHOOTING

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