D Wiring Diagram - Vaillant ecoTEC plus VU 446/5-5 (H-GB) Installation And Maintenance Instructions Manual

Appendix
D Wiring diagram
X51
2
1
X40 X51
X30
X90
X23
X23
1 2 3 4
50
X51
X51
X35 X31
X22
X41
X41
L
N
L
N
L
N
L
N
X12
12
13
14
18
9
5
X20 7
8
6
10
17
3
4
16
8
4
FB
10
AF
7
X41
RF
8
DCF
17
0
18
0
Burner
off
RT
X100
24V
eBUS
12
4
16
X2
13
11
14
20
1
19
L
14
X16
N
15
L
X13
N
L
X11
N
L
X18
N
RT
L
N
X1
Installation and maintenance instructions ecoTEC plus 0020261389_02
3
1
2
3
4
1
2
5
1
2
1
6
1
1
7
2
3
4
5
9
1
2
10
1
2
11
1
2
12
1
2
3
1
13
2
24V
3
230V~
16
1
2
3
17
1
2
3
18
1 3
2 4
19