Tech Controllers ST-976 - Fire-Up Parameters

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4.4.1 Operationalgorithmselection
Accesstothissubmenuissecuredwithapassword.
FITTER'S
MENU
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OPERATION
ALGORITHM
SELECTION
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Standardoperation
 Automaticoperation
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PID
Thisfunctionisusedtoselectoperationalgorithm.Dependingonselectedmode,theCHboileroperation
phaseswillchange.
 4.2Controlleroperationphases,page:10
4.4.2 Fire‐upparameters
FITTER'SMENU
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FIRE‐UP
PARAMETERS
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Blow‐bytime
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Initialfeedingtime
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Fanspeed
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Maxheateroperationtime
Fire‐upparametersconcerndetailedfire‐upsettings.Thesettingsshouldbeadjustedaccordingtothetype
offuelused.
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Blow‐bytime
Thisfunctionisusedtoconfigureblow‐bytimeinFire‐upmode.
Initialfeedingtime
Thisparameterdefinesthetimeofthesecondfire‐upphase.Duringthisphasethefuelisfedtothefurnace.
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Fanspeed
Thisfunctionisusedtoconfigurefanspeedinthethirdfire‐upphase.Intheremainingphasesthespeedis
adjustedbythecontroller.
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Maxheateroperationtime
Thisparameterconcernsthethirdphaseofthefire‐upprocess.Duringthisstage,theheater(igniter)isenabled
andremainsactiveuntilthesensordetectsfire.Iftheflamefailstoappearforalongtime,theigniterisdisabled
andthefuelfeedingisactivatedagain(lastinghalfofthetimesetbytheuserinInitialfuelfeedingtime).Next,
theheaterisenabledagain.Ifthesensordetectsfire,thecontrollerswitchestothelastphase‐Stabilization.
Ifthefiredoesnotappearafterthesecondfire‐upattempt,aftertheheaterprotectiontimethefire‐upprocess
willbestoppedandthedisplaywillinformaboutfire‐upfailure.