Wiring Diagram ≥ 37 Kw - Vaillant ecoTEC exclusive 835 Installation And Maintenance Instructions Manual

Wiring diagram ≥ 37 kW
H.2
2
X40 X51
X30
X90
1
1 Main PCB
2 Operator control panel PCB
0020193968_05 ecoTEC exclusive Installation and maintenance instructions
X51
X51
X31
X20
X35
X22
X21
X25
X24
X100
X2
X16
X13
X11
X18
T2
X1
X12
4
2
1
5
X21
3
8
6
1
8
5
3
11
X25
10
2
4
1
2
3
X41
4
5
6
2
15
12
13
8
7
X20
5
17
3
4
16
X100
18
7
17
8
14
13
11
4
X2
12
1
16
13
15
10
2
3
6
20
1
19
3
X24
17
L
X16
N
L
X11
N
L
X13
N
L
X18
N
*
RT
X1
L
N
3 All-gas sensor
4 Gas valve assembly
8
7
3
6
5
3
2
1
4
1
2
3
4
5
6
5
6
7
8
9
10
1 +24V
2 Hallsignal
4 PWM
5 Masse
11
12
13
14
1
M
3
4
6
15
1
3
4
16
17
18
1
2
3
19
2
3
4
23
3
2
1
24V
230V~
20
3
2
1
21
3
2
1
10
3
2
1
22
23
24
61