Checking the CO2 settings
Vitodens 300 is fact ory-set for natur al gas E, and can be c onverted to natura l
gas LL or LPG P using a conversion kit.
During commissioning or maintenance, check the CO
2 level at the boiler adap-
tor.
Note
The MatriX bur ner for Vitodens 300 is pr eset for the enti re gas group. Ther efore,
the burner requires no further setting or adjustment.
Subject to the Wobbe index, t he CO
2 content fluctuates between
&
6.6 to 10.0 % for natural gas E
&
7.0 to 10.0 % for natural gas LL and
&
8.5to10.5%forLPGP.
Compare the actual CO
2 value with the above CO2 value r anges for the indi vi-
dual gas groups (check the gas group with your mains gas or LPG supplier).
If the actual CO
2 va lue deviates by m ore than 1 % for natu ral gas or 0.5 % for
LPG, procee d as follows:
&
Check whether the correct gas restrictor has been installed.
&
Check the balanced flue system for soundness, see page 19.
Further details regarding the individual steps (cont.)
16
Initial start-up, inspection, maintenance
5692 537 GB
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