Grundfos MS Series - Star-Delta Starting Wiring

English (GB)
14
5.6.2 Motors wound for star-delta starting
The connection of Grundfos submersible motors
wound for star-delta starting is displayed in the table
below and fig. 13.
Check the direction of rotation as described in
section 5.5.4 Checking the direction of rotation of the
motor.
Fig. 13 Motors wound for star-delta starting
If star-delta starting is not required, but direct-on-line
starting is, the submersible motors must be
connected as shown in fig. 14.
Fig. 14 Motors wound for direct-on-line starting
5.6.3 MS6000P Synchronous motors requiring
double cabling
Fig. 15 Grundfos MS6000P 37 kW and 45 kW
Connection Grundfos 6" motors
PE Yellow and green
U1 Brown
V1 Black
W1 Grey
W2 Brown
U2 Black
V2 Grey
TM03 2100 3705TM03 2101 3705
L2L1
M
L3PE
W2 U2 V2
PE U1 W1V1
3
L2L1
M
L3PE
W2 U2 V2
PE U1 W1V1
3
Connection Grundfos MS6000P motors
PE Yellow and green
L1 Brown
L2 Black
L3 Grey
PE Yellow and green
L1 Brown
L2 Black
L3 Grey
TM07 6468 3520
PE L1
PE
L2 L3
M
U1 V1 W1
W2V2U2
3
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