Unblocked Power Supply 3~/N/Pe 400 V (Wiring Diagram 1 = ) - Vaillant flexoTHERM exclusive Installation And Maintenance Instructions Manual

C Unblocked power supply 3~/N/PE 400 V (wiring diagram 1 =
N L3 L2 L1
X102
1 Power supply for internal auxiliary electric heating
2 Power supply for control system
3 Continuous power supply
X110A Optional power output for controller PCB (X110)
X110B Optional power output for controller PCB (X110)
This wiring corresponds to its as-delivered condition. The product is connected to the supply network using a single electricity
tariff (a consumption meter).
The internal electric back-up heater is supplied with power (unblocked) via the bypass line from X103 to X102 which was
installed at the factory.
The control PCB is supplied with power (unblocked) via the bypass line from X110A to X110 which was installed at the fact-
ory.
0020213394_05 Installation and maintenance instructions
L3
7
L2
6
L1
5
1
X110B
2
L1 N
X110
X110A
X101 Mains connection for compressor
X103 Optional power output for internal auxiliary electric
heating (X102)
X102 Mains connection for internal auxiliary electric heat-
ing
X110 Mains connection for heat pump controller PCB
)
3
L1 L2 L3 N
X101
X103
L1 L2 L3 N
39