Viessmann Vitodens 222-F B2TA Installation And Service Instructions Manual page 189

Specification
Specification
(cont.)
Note
The connection values are only for doc-
umentation purposes (e.g. in the gas
contract application) or to estimate a
supplementary volumetric settings
check. Due to the factory settings, the
gas pressure must not be altered from
these values. Reference: 15 °C,
1013 mbar (101.3 kPa).
189