Vaillant 0010007508, Installation And Maintenance Instructions Manual

Page: 36 / 44

Appendix
36
Installation and maintenance instructions ecoVIT exclusiv 0020258610_00
G.3 Wiring diagram for the VRS 620 and VRC 630 control
N L
N 1 2
N L
X40B
X12A
1 2
X12
T4
X11
X13
X18
X6
X14
B. OFF
Bus
- +
7 8 9
RT
L N
3 4 5
RT
X41
X90
X40
X22
X2
X30
C1
C2
DCF
AF
0 + 2
1
2
1 - 1 1
2
1
2
1
2 2
1
2 9 7 8
1
2
KP / A
V
HK 3-P HK 2
-P
HK 2 Mis
cher
HK 1-P ZP LP
/UV
23
0V Ne
tz
23
0V Ne
tz
VF 1
VF 2
RF
Sp 1
Sp 2 Sp 3 Sp 4
K
O
L 2
K
O
L 1
Er
tr
ag
1x ZP
Te
l
BUS
DCF 0
C1 C2
VRC 630
230 V~
5 V / 24 V
9-8-
7 I
N
Au
f
Zu
2
1
Zu
N
Au
f
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
N
L
1 1
2
1
2
1
2 2
23
0 V~ „2 aus 7“
Ne
tz
3
1
2
11
4
5
10
6 7 8 9
14
13 12
16
15
17
1 "2 in 7" VR 40 multi-functional module
2 Main PCB
3 E.g. external gas valve assembly
4 E.g. fault message
5 E.g. ecoLEVEL condensate pump
6 Flow temperature sensor 1
7 Flow temperature sensor 2
8 Flow temperature sensor 3
9 Cylinder temperature sensor, flow temperature
sensor (optional, external), DCF receiver (for
VRC 430)
10 Outdoor temperature sensor, DCF receiver
11 VRC 630 PCB
12 Cylinder charging pump
13 Circulation pump
14 Heating pump