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Grundfos AR - Stroke Signal; Pre-empty Signal; Error Signal Wiring; Remote On;Off; Contact Input; Current Input Wiring; Empty Signal; Pre-empty and Empty Signal Wiring

Grundfos AR
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English (GB)
10
7.2.3 Stroke signal / pre-empty signal / error signal
Socket 3
Electrically isolated output for stroke signal or pre-empty signal
and error signal.
7.2.4 Remote on/off / contact input / current input
The current input is not designed for controlling a preceding
pump in master/slave operation. Instead, use the contact input
that controls socket 3 according to section 8.10 Creating a
master/slave application.
Socket 4
For the remote on/off input and contact input or current input.
If remote on/off and contact input are to be used at the same
time, wire 1 is assigned twice.
7.2.5 Empty signal only / pre-empty and empty signal
Socket 5
For the empty signal only or pre-empty and empty signal input.
The suction lines with empty signal or pre-empty and empty
signal are pre-assembled with a plug for socket 5.
Note
Use the stroke signal according to section
8.10 Creating a master/slave application to control
secondary pumps.
Socket 3 Cable Used for
Pin Assignment Wire colour
Stroke signal /
pre-empty signal
Error signal
1 Error signal contact Brown x
2 Stroke signal or pre-empty signal contact White x
3 Stroke signal or pre-empty signal contact Blue x
4 Error signal contact Black x
Caution
For the connection of one cable, use a plug adapter
with simple cable entry, for the connection of two
cables, use a plug adapter with double cable entry,
otherwise the protection will be lost!
Socket 4 Cable Used for
Pin Assignment Wire colour Remote on/off input Contact input +/- current input
1GND Brown x x -
2 Current input White +
3 Remote on/off Blue x
4 Contact input Black x
Socket 5 Used for
Pin Assignment Empty signal Pre-empty signal
1 Empty signal x
2GND x x
3 Pre-empty signal x

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