Vitocal 222-S, type AWT-AC, one heating circuit without mixer for sup-
ply air heating and DHW heating
Vitocal 222-S/242-S, type AWT-AC, one heating circuit for supply air
heating, one heating circuit with mixer, DHW heating (with solar backup
only for Vitocal 242-S) and heating water buffer cylinder
See page 177 See page 181
ID: 4605497_1304_01 ID: 460500_1304_01
Vitocal 200-S/222-S/242-S
(cont.)
128
VIESMANN
System examples
5
5822 472 GB
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