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HW-Rev. 01 & 02
12
4a
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
6
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
4b
75 76 77 78 79 80 81 82
4b
75 76 77 78 79 80 81 82
Fig. 3: Control EC-L 3 ...
6.5.2
Switchgear mains connection
Installation and operating instructions • Wilo-Control EC-L • Ed.04/2022-09
Overview Control /EC-L 3 ...
= HW-Rev. 01
9
A(+) B(-) GND
L!
L2
L3
7
1 ON
1
0
OFF
41 42 43 44 45 46 47 48 49 50 51 52 53 54
T1
T2
T3
T1
T2
T3
4a
2
4
6
14 A2
2
F1
PE
3
1
2
3
4a
4b
5
6
7
8
9
11
12
13
8
Current Pump1
Current Pump2
Current Pump3
4a
55
56 57
58
59
60 61
62
63
64
65
66
67
68
T1
T2
T3
T1
T2
T3
2
4
6
14 A2
2
4
6
14 A2
5
F2
F3
F4
F5
F6
Main switch/mains connection
Mains voltage adjustment
Terminal strip: Earth (PE)
Terminal strip: Sensors
Terminal strip: Sensors for active ex-mode
Contactor combinations
Output relay
Control board
Potentiometer for motor current monitoring
ModBus RTU: RS485 interface
ModBus RTU: Jumper for termination/polarisation
Slot 9 V rechargeable battery
Housing cover
CAUTION
Material damage due to incorrectly set mains voltage!
The switchgear can be operated at different mains voltages. The mains
voltage is set to 400 V at the factory. To use another mains voltage,
change the position of the cable jumper before connection. If the wrong
mains voltage is set, the switchgear will be destroyed!
en
J3
11
J2
J4
13
15
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