C Wiring Diagram; Wiring Diagram, Part 1A, For Connection 1~/230 V - Vaillant VWL 35/5 AS 230V S2 Operating Instructions Manual

29 Temperature sensor, heating return
30 Drain valve
C Wiring diagram
C.1

Wiring diagram, part 1a, for connection 1~/230 V

11
10
9
8
7
1 INSTALLER BOARD PCB
2 Power supply connection
3 Bridge, depending on the type of connection (energy
supply company lockout)
4 Input for limit thermostat, not used
5 Input S21, not used
6 eBUS line connection
0020257297_02 aroTHERM Installation and maintenance instructions
31
1
1
N
2
X200
X201
L3
3
L2
4
L1
5
X210
X211
1
X214
N
12
2
L
3
X206
1
X213
N
2
L
3
1
X212
N
2
L
3
7
8
9
10
11
12
Expansion vessel
2
5
N 4
L3
3
L2
2
L1
1
2
L
N
1
3
L 4
N
3
2
1
4
6
S20
5
5
4
S21
3
2
BUS
1
6
Connection to the HMU PCB
Power supply for fan 2 (only for product VWL 105/5
and VWL 125/5)
Power supply for fan 1
Compressor
INVERTER assembly
Range for the safety extra-low voltage (SELV)
Appendix
N
1~/230V
L
-
eBUS
+
75