Wiring Diagrams - Grundfos SE1 50 Additonal Operating & Safety Instructions

WIO sensor

Wiring diagrams

7-core cable
The figure below shows the wiring diagrams for SE1, SEV pumps with 7-core cable in three versions, one
without sensors and two with WIO sensor and moisture switch.
L1 L2 L3
T1 T2
1 2 3 4 5
N/A
A
Wiring diagram, 7-core cable, DOL
Y&G
L1 L2 L3 P1
T3
6 1 2 3 4
B
Fitting the WIO sensor
Fit the sensor next to one of the shaft seal openings.
See fig. Jerk direction. The sensor must be tilted into
the direction of rotation to ensure that oil is led into
the sensor. Make sure that the sensor is submerged
in the oil.
Technical data
Input voltage
Output current
Power input
Ambient temperature
P2 P5
L1 L2 L3
5 6
1 2 3
M WIO
12-24 VDC
3.5 - 22 mA
0.6 W
0 to 70 °C
P1 P2 P5
4 5 6
WIO
M
C
21