0020297933_07 Installation and maintenance instructions
85
C
Wiring diagram
C.1
Wiring diagram, power supply, 1~/230V
1~/230V
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
L
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
13
12
4
5
6
8
11
10
9
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, data line
9
Connection to the HMU PCB, power supply
10
Power supply for fan 2, if available
11
Power supply for fan 1
12
Compressor
13
INVERTER assembly