Grundfos S Serie Instrucciones De Instalación Y Funcionamiento página 24

In Ex pumps 2 moisture switches
Pos. no. 176c
Pos. no. 520
Item Description
1 Female push-on connector
2 Wire pin
3 Butt splice
4 Ring connector
Fig. 19 Wiring diagram for pumps with two power cables
Thermal switch
PT100 in lower bearing
PT100 in lstator
Thermistor
Supply cable conductors
Stator conductors
Moisture switch and thermal protectors
Read clockwise from
GND
Optional equipment
Motor
Pos. no. 176a
395