grossbritannien en Service Technical glossary O2 trim (oxygen trim)

O2 trim (oxygen trim)

An O2 sensor or an electrode is used to measure combustion quality and, when the quality deviates, small adjustments are made to compensate. This reduces emissions and keeps combustion quality and efficiency at the highest level. O2 trim reduces fuel consumption and thus fuel costs for larger burner systems. Note: Larger burners use an O2 sensor; the gas-fired WTC condensing boiler uses an ionisation electrode, similar to the Lamda sensor in motor vehicle engines.

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