Hello @Edgard It is only important that you connect N to terminal 2, 1 and 3 are only phases for opening and closing. The motor does not need grounding. If the direction of the motor is not correct, rotate this connector 180 degrees, this way you reverse the direction and 1 and 3 are swapped. (that is why there are no markings 1,2,3 on the connector) In your case, the yellow-green wire should be N. Best regards
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