Viessmann VITOCAL 350-A - Page 154

Connections in internal unit and power supply for instantaneous
heating water heater
2
1 / N / PE
230 V/50 Hz
F1T6.3AH
L1
N
N1
1 / N / PE
230 V/50 Hz
N1
N1
L1
4
L1
L1
3 / N / PE
400 V/50 Hz
N
L2
4
L3
L1
X3.18
X1.1
X2.1
230 V
400 V
Instantaneous heating water heater power supply
Heat pump control unit power supply
ID: 4605416_1304_03
Note
Remove the jumpers if connecting the instantaneous heating water
heater to a 230 V power supply.
Power supplies, external unit
C N
L
29
221.A04
COM
43 V
> 42 V
2
L1
N
1 / N / PE
230 V/50 Hz
COM
29
221.A07
COM
43 V
> 42 V
2
L1
N
1 / N / PE
230 V/50 Hz
Li No
Lo
Ni
29
COM
12 V
2
L1
N
1 / N / PE
230 V/50 Hz
N
L
L
N
C1
C2
221.A10/13
< 42 V
29
COM
12 V
2
L1
N
3 / N / PE
400 V/50 Hz
N
L3
L
N
C1
C2
221.B10/13
< 42 V
L2
L1
L2
L3
ID: 4605416_1304_03
Vitocal 200-S/222-S/242-S (cont.)
System examples
VIESMANN
159
5822 472 GB
5