LMVSeriesTechnicalInstructions
DocumentNo.LV5‐1000
SCCInc. Page1 Section6
Section6:OxygenTrim
TableofContents
Introduction....................................................................................................................................2
O
2
Trim(O
2
Control)Fundamentals................................................................................................2
Pre‐control......................................................................................................................................4
O
2
TrimTerminology.......................................................................................................................4
O
2
ControlandO
2
AlarmCurves.....................................................................................................6
O
2
TrimConfiguration(Parameterization)BeforeCommissioning................................................7
SuggestedO
2
TrimCommissioning–TraditionalNozzleMixingBurnerwithNoorLow
PercentageFGR(TypicallyLMV52.240)....................................................................................9
SuggestedO
2
TrimCommissioning–PremixMeshBurnerorNozzleMixingBurnerwithHigh
PercentageofFGR(TypicallyLMV52.440)..............................................................................14
PostCommissioningTuning..........................................................................................................20
ObservingtheBehavioroftheO
2
Trim.........................................................................................24
UsingtheO
2
AlarmFunctionalitywithoutO
2
Trim.......................................................................25
HowtheO
2
isMeasuredwiththeQGO20SensorandPLL52Module.........................................26
ConsiderationswhenUsingO
2
TrimwithFGR..............................................................................29
AdditionalTipsforO
2
TrimCommissioningandTuning...............................................................33
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