西门子顺序控制器英文原版资料.pdf
7761
ISO9001
ControlUnitsLEC1...
Series02
Controlunitfordoubleormultiflamesupervisionofoil,gasorforceddraftoil/
gasburnersofanyfuelthroughput,suitedforcontinuousorintermittentopera-
tion.
TheLEC1...andthisDataSheetareintendedforusebyOEMswhichintegratethe
controlunitsintheirproducts!
Use
TheLEC1...isdesignedforthefullyautomaticstartupandsupervisionofforceddraft
burnerswithwhichtheflamesupervisionshouldormustbecarriedoutbyseparate
flamesafeguards,e.g.with
Dualsupervisionofthemainflameorofthepilotandmainflameby2identicalordifferentdetectors.
Supervisionofforcedwithdifferenttypesofdetectorsdependingontheselectedoperatingmode.
draftoil/gasburners
Multiflamesupervisionthatis,centralandsimultaneouscontrolofthestartupandsupervisionsequencefor
severalburnerstheflamesofwhichmustbeindividuallysupervisedbyoneor2flame
safeguardseach.
CC1N7761enSiemensBuildingTechnologies
24.04.2001LandisStaefaProductsDivision
Thefollowingflame