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96416-08.2020-DGbFEIRu

Designationonthenameplate Stickerontheterminalbox

Y/YY

Compressorswiththismarkingaresuitablefordirectorpartialwindingstart.Themotorwindingis

subdividedintotwoparts:Partwinding1=50%andpartwinding2=50%.Thiswindingdivision

reducesthestart-upcurrentneededforapartwindingstarttoapprox.50%ofthatforadirectstart.

INFO Amechanicalunloadedstartwithbypasssolenoidvalveis 

notrequired.

7 | Electrical connection

7.1 Informationforcontactorandmotorcontactorselection

Allprotectionequipment,switchingandmonitoringdevicesmustcomplywiththelocalsafetyregula-

tionsandestablishedspecications(e.g.VDE)andregulationsaswellasthemanufacturer’sspeci-

cations.Motorprotectionswitchesarerequired!Motorcontactors,feedlines,fusesandmotor

protectionswitchesmustberatedaccordingtothemaximumoperating current (seenameplate).

Formotorprotection,useacurrent-independent,time-delayedoverloadprotectiondeviceformonitor-

ingallthreephases.Adjusttheoverloadprotectiondevicesothatitmustbeactuatedwithin2hours

at1.2timesthemaximumworkingcurrent.

INFO

Connectthecompressormotorinaccordancewiththecircuitdiagram

(seeinsideofterminalbox).

Usesuitablecableentrypointofthecorrectprotectiontype(see

nameplate)forroutingcablesintotheterminalbox.Insertthestrain

reliefsandpreventchafemarksonthecables.

Comparethevoltageandfrequencyvalueswiththedataforthe

mainspowersupply.

Onlyconnectthemotorifthesevaluesarethesame.

DANGER Riskofelectricshock!Highvoltage!

Onlycarryoutworkwhentheelectricalsystemisdisconnected

fromthepowersupply!

7 Electricalconnection

ATTENTION Whenattaching accessorieswith anelectrical cable, a minimum

bendingradiusof3xthecablediametermustbemaintainedfor

layingthecable.

7.2 Standardmotor,designfordirectorpartwindingstart

GEA Bock HGX56e/850-4 User Manual

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