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
Summary of Contents for Vitodens 200-W WB2B Series
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