C Wiring Diagram; Wiring Diagram, Power Supply, 1~/230V - Vaillant aroTHERM plus Operating Instructions Manual

Appendix
C Wiring diagram
C.1

Wiring diagram, power supply, 1~/230V

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 the limit thermostat
5 Input S21, not used
6 eBUS line connection
136
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
Installation and maintenance instructions aroTHERM plus 0020297937_01
2
5
4
N
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 125/6
and VWL 155/6)
Power supply for fan 1
Compressor
INVERTER assembly
Range for the safety extra-low voltage (SELV)
N
1~/230V
L
-
eBUS
+