Grundfos SP Installation And Operating Instructions Manual page 16

6.6.2 Motors wound for star-delta starting
The connection of Grundfos submersible motors wound for star-
delta starting appears from the table below and fig.
motors wound for star-delta starting.
Connection
PE
U1
V1
W1
W2
U2
V2
Check the direction of rotation as described in section
of three-phase motors.
PE L1
W2
PE
U1
Grundfos motors wound for star-delta starting
If direct-on-line starting is required, the motors must be connected
as shown in fig. Grundfos motors wound for star-delta starting -
direct-on-line starting.
PE L1
W2
PE
U1
Grundfos motors wound for star-delta starting - direct-on-line
starting
Related information
6.6 Connection of three-phase motors
16
Grundfos
Grundfos 6" motors
Yellow and green
Brown
Black
Grey
Brown
Black
Grey
Connection
L2 L3
U2 V2
V1 W1
M
3~
L2 L3
U2
V2
V1 W1
M
3~
6.6.3 MS6000P Synchronous motors requiring double cabling
PE L1
U2
PE U1 V1
Grundfos MS6000P 37 kW and 45 kW
L2 L3
V2 W2
W1
M
~
3