Viessmann Vitocal 222-G User Manual page 24

Vitocal 222-G/242-G/333-G/333-G NC/343-G
Mains terminals for heat pump control unit
2
<16A
18
L1
F1 6.3A slow
Compressor power supply 400 V
L1
L2
L3
N
ID: 4605091_1304_05
V Mains terminals for compressor 400 V
L1
L1
L1
1 / N / PE
230 V/ 50 Hz
N
N
N
ID: 4605091_1304_05
Instantaneous heating water heater 230 V power supply (only for
Vitocal 222-G/242-G)
System examples
(cont.)
N
1 / N / PE
230 V/50 Hz
L1
L1
L2
3 / PE
L3
400 V, 50 Hz
L1
L1
L1
PE
PE
N1
N1
N1
ID: 4605091_1304_05
L3
L2
L1
3 / N / PE
400 V/ 50 Hz
N
2
L3
L2
L1
PE
PE
N3
N2
N1
VIESMANN
29