Flowserve PRS 9 - Manual (Page 10)

10
Key to wiring diagram
P2 Level switch NRS 2-4 or NRS 2-5 (24 V DC) from corresponding level electrode 2
Position-controlled limit switch of the drain valve
P1 Level switch NRS 2-4 or NRS 2-5 (24 V DC) from level electrode 1
Rel 2 for opening the drain valve
Rel 1 for closing the drain valve
Design “c” / “d”
Wiring diagram
Wiring is effected via the 32 pole screw-type connector.
1
1
Wiring
PRS 9
2 3
4
5
Fig. 3
2
3
4
5