Installation | 5
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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.
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.
5.6.1 Wiring Diagram Three-Phase Motor (Pump Drive)
Motor connectors:
Connection of motor temperature
switches (recommended):
T9
T8
T6
T7
T5
T3
T1
T2
T4
P1
P2
P3
P4
P1
P2
MTS1
MTS2
MTS3
Control voltage:
≤
250 V
Max current: 1.6 A
MTS = Motor temperature switch (in mo-
tor coil)
Double star connection (low voltage):
T1
T6
T3
T5
T8
T4
T2
T7
T9
Star connection (high voltage):
T1
T6
T3
T5
T8
T4
T2
T7
T9
Summary of Contents for COBRA NS 0070-0600 C
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