0020326637_00 Installation and maintenance instructions
87
C.2
Wiring diagram, power supply, 3~/400V
3~/400V
1
2
3
4
5
5
4
3
2
1
S20
S21
BUS
eBUS
+
-
5
6
3
4
1
2
3
4
1
2
N
L3
L2
L1
L
N
1
2
L
N
L1
L2
L3
N
L1
L2
L3
N
3
2
1
L
N
3
2
1
L
N
X211
X210
X200
X201
X206
X214
X213
X212
3
2
1
L
N
X220
2
3
1
14
13
4
5
6
12
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
7
Range for the safety extra-low voltage (SELV)
8
Connection to the HMU PCB
9
Connection to the HMU PCB
10
Power supply for fan 2
11
Power supply for fan 1
12
Choking
13
Compressor
14
INVERTER assembly