Vaillant ecoFIT pure 430 - Appendix E Wiring Diagram

0020230535_07 ecoFIT pure Installation and maintenance instructions 45
E Wiring diagram
X14
L
N
X12
X51
X51
X20
16
1
9
3
15
4
5
6
13
X51
X20
X40 X51
X30
X2
X21
X41
X22
X14
L
N
–
+
24V=
RT BUS
Burner
off
RT
X1
FUS
X106
X32
X90
X12
X35
X1
RT
X21
L
N
L
N
1
5
eBUS
Burner off
X106
M
4
3
2
1
N
L
24V
230V~
24V
230V~
1
2
3
2
7
9
1
4
3
5
6
10
11
12
8
1 Main PCB
2 Interface PCB
3 Control system
4 Temperature sensor on the heating flow
5 Temperature sensor on the heating return
6 Fan
7 Gas valve assembly
8 Heating pump
9 Monitoring electrode
10 Room thermostat
11 Main power supply and connection for 230 V control
12 Ignition electrode