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Grundfos SE Installatie- En Bedieningsinstructies pagina 42

9-30 kw; 50/60 hz, din, generation a
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A.1.6. Wiring for Intrinsically Safe Apparatus
ib,IS
4
5
1
2
3
Wiring if pump controller is on separate power supply
Pos.
Description
1
Wire for PTC
2
Wire for moisture switch, level switch
3
Common branch
4
Power supply: 24V DC
4)
For non-Ex products it is optional.
42
+
-
13
+
-
T1
14
21
T2
22
6
1
3
4
2
5
DI1
DI2
7
Pos.
Description
5
Intrinsically Safe Apparatuses
6
Thermistor relay
7
Pump controller module
+
-
4
4)

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