Vaillant ecoCOMPACT VCC4 Series User Manual

Appendix
54 Installation and maintenance instructions ecoCOMPACT 0020181421_04
G Wiring diagram
X2
X25
X20
X22
X24
X1
16
1
5
2
15
12
13
11
14
18
17
8
7
10
4
3
11
10
5
4
2
1
8
7
6
12
9
16
4
3
17
7
5
1
15
2
13
12
Burner off
eBUS
8
13
14
L
N
X51
X51
X51
X20
X2X25
X16X13X11X18
X40 X51
X30
X22
X24
FUS
L
N
L
N
L
N
L
N
–
+
24V=
RT BUS
Burner
off
X1
X31
X12
X41
X41
18
17
8
7
10
4
OT
OT
DCF
RF
AF
FB
X100
X18
L
N
L
N
X16
X13
L
N
X35
X90
2
1
2
1
2
1
4
3
2
1
M
55
2
3
4
1
6
3
1
1
2
1
2
4
1
3
2
1
1
2
3
1
2
M
4
1
6
3
M
5
4
2
1
X100
N
L
24V
230V~
24V
230V~
2
3
9
10
11
12
13
14
15
17
19
18
16
1
4
6
7
5
8
1 Main PCB
2 Interface PCB
3 Coding resistor for the gas group
4 Coding resistor output range
5 Pre-fitted plug for safety temperature limiters
6 Temperature sensor for the hot water flow
7 Temperature sensor in the heating flow
8 Temperature sensor in the heating return
9 Fan
10 Venturi

Vaillant ecoCOMPACT VCC4 Series Specifications

General

Brand	Vaillant
Model	ecoCOMPACT VCC4 Series
Category	Boiler
Language	English