5 | Installation
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0870567093_NC0630C_ACV_A0002_IM_en
NOTICE
The admissible motor nominal speed exceeds the recommendation.
Risk of damage to the machine!
• Check the admissible
motor nominal speed (n
max
) on the nameplate of the machine
(NP).
• Make sure to comply with it.
• Consult the
Technical Data [
►
34]
to get more information.
NOTICE
The motor frequency is below 20 Hz.
Risk of damage to the machine!
• The motor nominal speed must always be higher than 1200 min
-1
(20 Hz).
NOTICE
Incorrect connection.
Risk of damage to the motor!
• The wiring diagrams given below are typical. Check the inside of the terminal box for
motor connection instructions/diagrams.
5.7.1 Wiring Diagram Three-Phase Motor (Pump Drive)
Delta connection (low voltage):
Star connection (high voltage):
Double star connection, multi-voltage
motor with 12 pins (low voltage):
4
4
4
Star connection, multi-voltage motor
with 12 pins (high voltage):
4
4
4
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