The flue pipe is deemed to be sound if
the CO
2
concentration in the combus-
tion air is no higher than 0.2 % or the
O
2
concentration is at least 20.6 %.
If actual CO
2
values are higher or O
2
values are lower, then pressure test
the flue pipe with a static pressure of
200 Pa.
Removing the burner and checking the burner gasket
Further details regarding the individual steps
(cont.)
17
Commissioning, inspection, maintenance
5692
761
GB
Содержание Vitodens 200-W WB2B Series
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