约克离心机控制线路图原版.docx

约克离心机控制线路图原版.docx

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约克离心机控制线路图原版

PRODUCTDRAWING

YORKINTERNATIONALCORPORATION

P.O.Box1592,York,PA17405

CONTRACTOR_______________________PURCHASER____________________________________________ORDERNO.__________________________JOBNAME_______________________________________________YORKCONTRACTNO._________________

LOCATION_______________________________________________YORKORDERNO.____________________

ENGINEER______________________________________________

REFERENCE

DATE________

APPROVALDATE________

CONSTRUCTIONDATE_________

Supersedes:

160.52-PW1（1297Form160.52-PW1（698

WIRINGDIAGRAM,MILLENNIUMMODELYK（STYLEDLIQUIDCHILLERSMICROCOMPUTERCONTROLCENTERWITHELECTRO-MECHANICALSTARTER

JOBDATA:

CHILLERMODELNO.YK________________________________________________________NO.OFUNITS_____________

COMPRESSORMOTOR______________VOLTS,3-PHASE,_____________Hz

OILPUMPMOTOR_____________VOLTS,3-PHASE,_____________Hz,_____________FLA

REMARKS:

2

YORKINTERNATIONAL

ELEMENTARYDIAGRAM

REV.035-15977（REV.A

FORM160.52-PW1FORM160.52-PW1

3AYORKINTERNATIONAL

YORKINTERNATIONAL3

FORM160.52-PW1

4

3BYORKINTERNATIONALYORKINTERNATIONAL

FORM160.52-PW1NOTES:

1.Thiswiringdiagramdescribesthestandardelectroniccontrolschemeforusewithanelectromechanicalstarter.Fordetailsofstandardmodifications,refertoProductForm160.49-PW13.

2.FieldwiringtobeinaccordancewiththeNationalElec-tricalCodeaswellasallotherapplicablecodesandspecifications.SeeProductForm160.49-PW10forfieldwiringconnections.

3.Numbersalongtheleftsideofdiagramarelineidentifica-tionnumbers.Thenumbersalongtherightsideindicatethelinenumberlocationofrelaycontacts.Anunderlinedcontactlocationsignifiesanormallyclosedcontact.4.MaincontrolpanelClass1fieldwiringterminalconnec-tionpointsareindicatedbynumberswithinarectangle,15

i.e.

C1

5.Tocycleunitonandoffautomaticallywithcontactsotherthanthoseshown,installacyclingdevicebetweenter-installed,jumpermustberemovedbetweenterminals

6.Compressormotorstarterwithstarterinterlockcontacts（rated0.5to1.0amp@24voltsA.C.mustbeperForm160.45-PA5.1.Controlpanelshallbegrounded.7.UnitsinstalledinCanadamusthaveafieldsuppliedCSAapproved30Ampdisconnectswitchanda20Ampdualelementfusemountedexternaltocontrolpanelfor115voltcontrolsupply.

8.Tostopunitandnotpermitittostartagain,installastop18

Aremotestart-stopswitchmaybeconnectedtotermi-178

start-stopswitch（Line32isoperativeonlyinthe“re-mote”operatingmode.

9.Devicecontactratingtobe5milliamperes@115voltsA.C.

10._____________

11.Contactratingis5Ampresistive@120voltsA.C.or240voltsA.C.

12.ThreephaseoilpumpmustbeproperlyphasedL1,L2&L3correspondingtophasesequenceA,B&C.13.Tocheckmotorrotationoninitialstart-up,installmo-2425

torwithmomentaryswitch.Whenproperrotationisob-tained,replacemomentaryswitchwithjumper.Switchmusthaveaminimumcontactratingof2FLA.,10LRAat115VoltsA.C.

14.Motoroverload（CMissettotripat105%FLA.Duringmomentarypowerinterruption（powerfault,contactopensfor1second.

15.

153

areused.Forhighvoltage（2300-4160ULandCULapprovedunitsonly,electromechanicalcompressormotorstarteroverloads（normallyclosedmustbecon-153

16.Contactratingis5Ampsresistive@250VoltsA.C.&30VoltsD.C.,2Ampinductive（.4PF@250VoltsA.C.&30VoltsD.C.

17.Each115VACfield-connectedinductiveload:

i.e.relaycoil,motorstartercoil,etc.,shallhaveatransientsup-pressorwiredinparallelwithitscoil,physicallylocatedatthecoil.Sparetransientsuppressorsandcontrolcir-cuitfusesaresuppliedinabagattachedtothetopofthehingedpanel.

LEGEND

5YORKINTERNATIONAL

CONNECTIONDIAGRAM

6YORKINTERNATIONAL

（CONTINUEDONPAGES8&9FORM160.52-PW1

LD03132

YORKINTERNATIONAL7

CONNECTIONDIAGRAM（Cont’d

8

YORKINTERNATIONAL

FORM160.52-PW1

YORKINTERNATIONAL

9

LD03133

YORKINTERNATIONAL10

WIRINGFOR230VAND460VUNITS

FORM160.52-PW1WIRINGFOR346VAND600VUNITSLD03135OILPUMPMOTORFULLVOLTS-PH-HZLOADAMPS230-3-606.7460-3-603.35575-3-602.6OILPUMPFUSINGMAXIMUMDUALELEMENTFUSESIZE157.55YORKINTERNATIONAL11

LD02609***†††Functionprovidedbycondensertransducer.Seeoperator’smanualforadetaileddescriptionoflowoilpressureandhighoilflowshutdowns.Applicableifunitwasshutdownfor30mins.orless.Applicableifunitwasshutdownforgreaterthan30mins.ProudSponsorofthe1998U.S.OlympicTeam36USC380PBox1592,York,PennsylvaniaUSA17405-1592.O.Copyright©byYorkInternationalCorporation1997Form160.52-PW1（698Supersedes:

160.52-PW1（1297Subjecttochangewithoutnotice.PrintedinUSAALLRIGHTSRESERVED