Appendix
0020257319_02 Hydraulic station Installation and maintenance instructions
43
Appendix
A
Wiring diagram
1
2
3
4
5
6
L1
L1
L2
L3
N
3
2
1
L
N
3
2
1
L
N
X302
X300
X310
X311
X312
X314
X313
3
2
1
L
N
3
2
1
L1
N
3
4
1
2
N
L
1
2
3
4
5
6
L2
L3
L1
L1S
L2S
L3S
L2
L3
L1
L1S
L2S
L3S
8
7
6
5
4
3
2
1
L3_6
L3_5
L2_4
L2_3
L1_2
L1_1
N
X301
X328
12
11
6
5
4
2
3
1
10
9
8
7
12
6
4
9
1
8
2
3
7
10
11
5
1
Power supply PCB
2
For single power supply: 230 V bridge between
X311 and X310; for dual power supply: Replace
the bridge at X311 with the 230 V connection
3
Earthing
4
[X300] Power supply connection
5
Earth wire to X1 on the control PCB
6
[X302] Safety cut-out
7
[X301] Back-up heater
8
[X328] Data connection to the control PCB
9
[X313] Power supply for the control PCB or the op-
tional
VR 70
/
VR 71
or the optional external current
anode
10
[X314] Power supply for the control PCB or the op-
tional
VR 70
/
VR 71
or the optional external current
anode
11
[X312] Power supply for the control PCB or the op-
tional
VR 70
/
VR 71
or the optional external current
anode