Grundfos SE Installatie- En Bedieningsinstructies pagina 45
9-30 kw; 50/60 hz, din, generation a
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A.2.2. Sensor wiring schematics for double
cable pumps
A.2.2.1. Standard, double cable
3
P1
P2
P3
P4
P5
P1
P2
P3
P4
P5
Standard and Standard Ex, double cable
Pos.
Description
1
Thermal switches / Thermistor
2
Moisture/Level switch
Intrinsically Safe Apparatuses
3
Thermistor Relay
11)
For non-Ex products it is optional.
12)
In case of pumps installed with PTC.
1
2
11)
and
12)
A.2.2.2. Sensor 1, double cable
4
P1
P2
P3
P4
P5
P1
P2
+ t °
P3
P4
P5
Sensor 1 and Sensor 1 Ex, double cable
Pos.
Description
1
Thermal switches / Thermistor
2
Moisture/Level switch
3
Pt1000 stator
Intrinsically Safe Apparatuses
4
Thermistor Relay
13)
For non-Ex products it is optional.
14)
In case of pumps installed with PTC.
1
2
3
13)
and
14)
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