IM-P693-02
EMM Issue 2
6
LCR2251 Level Controller
1 E
2
4. Electrical installation
4.1 Wiring diagram
0.5 A (semi- delay)
1
3
4
5
8
7
6
Item
1
MIN output contact, de-energizing delay 3 seconds.
2
Pump output contact. Not used in continuous controller.
3
MAX output contact, de-energizing delay 3 seconds.
4
Supply voltage connection 24 Vdc with semi-delay fuse 0.5 A provided on site.
5
Output 4-20 mA, manipulated variable Y for continuous controller or actual value output for ON/
OFF controller (pump control).
6
Level transmitter LP20/LP21/PA420, 4-20 mA.
7
Earthing point at auxilliary equipment (e.g.PA420/LP20/LP21).
8
Central earthing point (CEP) in control cabinet.
Fig. 4
2
7
