Grundfos SE - Sensor Wiring Schematics for Double Cable Pumps

A.2.2. Sensor wiring schematics for double
cable pumps
A.2.2.1. Standard, double cable
Thermal switches
Moisture or leakage switch
2
1
P1
P2
P3
P4
P5
P1
P2
P3
P4
P5
TM074214
Standard and Standard Ex, double cable
Pos. Description
1 Thermal switches / Thermistor
2 Moisture / Leakage switch
A.2.2.2. Sensor 1, double cable
Thermal switches
Moisture or leakage switch
PTC stator
+ t °
2
1
P1
P2
P3
P4
P5
P1
P2
P3
P4
P5
3
TM074218
Sensor 1 and Sensor 1 Ex, double cable
Pos. Description
1 Thermal switches / Thermistor
2 Moisture / Leakage switch
3 Pt1000 stator
794