GEA HGX7 R134a - Standard Motor, Design For Direct Or Part Winding Start

16
D
GB
F
E
96182-09.2013-DGbFEI
400 V
Direktstart YY Teilwicklungsstart Y/YY
1V1 1W11U1
2W12V12U1
L3L2L1 L3L2L1
L3L2L1
1V1 1W11U1
2W12V12U1
Direct start YYY
Part winding start Δ/YYY
ATTENTION! Failureto do this results in opposed rotary elds and results in
damage to the motor. After the motor starts up via partial winding
1,partialwinding2mustbeswitchedonafteramaximumdelayof
one second . Failure to comply can adversely affect the service life
of the motor.
Themotoriswiredfordirectstart(YYY)atthefactory.Forpartwindingstart Δ/YYYthebridgesmust
beremovedandthemotorfeedlineconnectedaccordingtothecircuitdiagram:
INFO! Whentesting coilswithresistancetester,pleasenotethatpartial
winding 1 and partial winding 2 are wired internally in HGX7.
5.3 Standardmotor,designfordirectorpartwindingstart
Designationonthenameplate Stickerontheterminalbox
∆/YYY
Compressorswiththismarkingaresuitablefordirectorpartialwindingstart.Themotorwindingis
subdividedintotwoparts:Partialwinding1=60%andpartwinding2=40%.Thiswindingdivision
reducesthestart-upcurrentneededforapartwindingstarttoapprox.65%ofthatforadirectstart.
INFO! A mechanical unloaded start with bypass solenoid valve is
 notrequired.
5| Electrical connection