Wilo Control EC-L1 Series - Page 14

en
14 Installation and operating instructions • Wilo-Control EC-L • Ed.04/2022-09
6.5.1 Overview of components
Overview Control EC-L 1.../EC-L2...
F1
F2
F3
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
4
5
4
6
4
7
4
8
4
9
5
0
5
1
5
2
5
3
5
4
55
56
57
58
59
60
T1
1
3
5
13
A1
2
4
6
14
A2
T2
T3
L1
L2
L3
NO
T1
1
3
5
13
A1
2
4
6
14
A2
T2
T3
L1
L2
L3
NO
GND
A(+)
B(-)
GND
LO
J4
J3
J2
HI
1
2
26
Current Pump1
Current Pump2
F1
F2
F3
1
2
3
4
5
6
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
3
2
3
3
3
4
3
5
3
6
3
7
3
8
3
9
4
0
4
1
4
2
4
3
4
4
4
5
4
6
4
7
4
8
4
9
5
0
5
1
5
2
5
3
5
4
55
56
57
58
59
60
T1
1
3
5
13
A1
2
4
6
14
A2
T2
T3
L1
L2
L3
NO
T1
1
3
5
13
A1
2
4
6
14
A2
T2
T3
L1
L2
L3
NO
GND
A(+)
B(-)
GND
LO
J4
J3
J2
HI
1
2
26
Current Pump1
Current Pump2
4a
5
8
10
9
6
3
2
1
7
4b
11
12
HW-Rev. 01
4a
5
8
10
9
3
2
1
7
4b
11
12
HW-Rev. 02
Fig.2: Control EC-L 1.../EC-L2...
1 Terminal strip: Mains connection
2 Mains voltage adjustment
3 Terminal strip: Earth (PE)
4a Terminal strip: Sensors
4b Terminal strip: Sensors for active ex-mode
5 Contactor combinations
6 Output relay
7 Control board
8 Potentiometer for motor current monitoring
9 ModBus RTU: RS485 interface
10 Dynamic pressure bell pressure connection (“IPS” version only)
11 ModBus RTU: Jumper for termination/polarisation
12 Slot 9V rechargeable battery