Grundfos SE1 50 Notice D'installation Et De Fonctionnement page 26

P1 P3
L1 L2 L3 P2
5
1 3 4 6 7 8 9
2
U1 V1 W1 U2 V2 W2
A
Wiring diagram, 10-wire cable, Delta-connected (D)
Position Description
Y&G Yellow and green
A Standard version with thermal switches
B Standard version with PTC thermistors
C Sensor version with thermal switch, Pt1000, moisture switch and WIO sensor
D Sensor version with PTC thermistors, moisture switch and WIO sensor
To find out whether the pump is fitted with a thermal switch or a PTC thermistor, measure the motor
winding resistance. See the table below.
26
P1
L1 L2 L3 P2 P3
3 5 4 6 8 9
1 2 7
U1 V1 W1 U2 V2 W2
B
Y&G
9 3
1
8 4
2
7 5
6
L1 L2 L3 P1
P2 P5
3 5 4 6 8 9
1 2 7
U1 V1 W1 U2 V2 W2
WIO
M
+T
C
P1
L1 L2 L3 P2 P5
3 5 4 6 8 9
1 2 7
U1 V1 W1 U2 V2 W2
M WIO
D