Viessmann Vitocal 222-G User Manual page 116

Vitocal 300-G/350-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: 4605357_1304_04
System examples
(cont.)
N
1 / N / PE
230 V/50 Hz
L1
L1
L2
3 / PE
L3
400 V, 50 Hz
4
VIESMANN
121