If the motor was connected to the hydraulic pump, it is most likely the whine you heard is from the pump.
The Delta in parallel connection is what appears to be the designated connection for 220.
Your voltage is the lowest of any of the designated connections, so anything but the correct connection is going to be underpowered.
Al.
Thread: 3 Phase Motor Wiring Trouble
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12-09-2008, 02:50 AM #4
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