English (GB)
9
5.2.3 Internal layout of LC 221
Figure
shows the internal layout of LC 221.
Fig. 10
Internal layout LC 221 (three-phase PCB as example)
TM
05 35
97 161
2 -
TM
0
5
3
719
1
712
Note:
Cable connections for pos. 8-15:
Use a cable tie if leads protrude more than
20 mm from the cable sheath.
20
7
7
>20
X5
Pos. Description
Comments
Terminal designation
1
Terminals for power supply
PE, N, L3, L2, L1
2
Terminals for connecting pump 1
PE, N, W1, V1, U1
3
Terminals for connecting pump 2
PE, N, W2, V2, U2
4
Terminals for thermal switch, pump 1
T1, T2
5
Terminals for thermal switch, pump 2
T1, T2
6
Terminals for external reset
230 V
11, 12
7
Terminals for external alarm (outside the tank)
230 V
13, 14
8
Terminals for common fault
Potential-free changeover NO/NC
contacts with max. 250 V / 2 A.
Attention
: Connect these terminals
to supply network potential or low
voltage but do not mix the two.
X11
9
Terminals for high water-level alarm
X10
10
Terminals for failure, pump 2
X9
11
Terminals for failure, pump 1
X8
12
Terminals for operation, pump 2
X7
13
Terminals for operation, pump 1
X6
14
Terminals for level switches
Digital
81-88
Terminals for additional high water-level alarm
(inside the tank)
Digital
81, 82
15
Terminals for analogue sensor
0-5 V or 4-20 mA
91 (GND), 92 (Signal), 93 (12 V)
16
Service connector to PC Tool
-
17
Connector for GENIbus interface module
Not in use for this application
-
18
Control circuit fuse
Fine-wire fuse:
100 mAT / 20 mm x
∅
5
-
19
Piezoresistive pressure sensor module
0-5 V
-
20
DIP switches
Not in use for this application
-
21
Connector for battery, 9 V
Non-rechargeable batteries only.
The controller is not equipped with a
charging device.
-
