Grundfos Multilift MOG Installations- Und Bedienungsanleitung Seite 13

5.2.3 Internal layout of LC 221
Figure 13 shows the internal layout of LC 221.
Fig. 13 Internal layout of LC 221
Pos. Description
1 Terminals for power supply
2 Terminals for connecting pump 1
3 Terminals for connecting pump 2
4 Terminals for thermal switch, pump 1
5 Terminals for thermal switch, pump 2
6 Terminals for external alarm
7 Terminals for external reset
8 Terminals for common fault
9 Terminals for high water-level alarm
10 Terminals for failure, pump 2
11 Terminals for failure, pump 1
12 Terminals for operation, pump 2
13 Terminals for operation, pump 1
14 Terminals for level switches
Terminals for additional high water-level alarm
14.1
(inside the tank)
15 Terminals for analogue sensor
16 Service connector to PC Tool
17 Connector for GENIbus interface module
18 Control circuit fuse
19 Piezoresistive pressure sensor module
20 DIP switches (not in use for this application)
21 Connector for battery, 9 V (accessory)
Note: Cable connections for pos. 8-15:
Use a cable tie if leads protrude more than 20 mm
from the cable sheath.
Comments
230 V
230 V
Potential-free changeover
contacts NO/NC with max.
250 V / 2 A.
Attention: Connect these
terminals to supply network
potential or low voltage but do
not mix the two.
Digital
Digital
0-5 V or 4-20 mA
Fine-wire fuse:
100 mA / 20 mm x ∅5
0-5 V
Terminal designation
PE, N, L3, L2, L1
PE, N, W1, V1, U1
PE, N, W2, V2, U2
T1, T2
T1, T2
11, 12
13, 14
X11
X10
X9
X8
X7
X6
81-88
81, 82
91 (GND), 92 (Signal), 93 (12 V)
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-
-
-
-
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