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5 | electrical connection, Y/yy – GEA Bock HGX46 CO2 T User Manual

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96259-12.2014-DGb

5.2 Standard motor, designed for direct or part winding start

Designation on the name plate

Sticker on the terminal box

Y/YY

Compressors marked in this way are suitable for direct or part winding start. The motor winding is
divided into two parts: part winding 1 = 66% and part winding 2 = 33%. This winding devision reduces
the start-up current during a part winding start to approx. 65% of the value for a direct start.

5| Electrical connection