User Guide

SKPx5.xxxUxElectro‐hydraulicactuators TechnicalInstructions
 DocumentNumberCC1N7643us
 July25,2017
SiemensAGBuildingTechnologiesDivision Page17
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Start‐up
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Regulator
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WARNING:
Whenfiringatmaximumburnercapacity,ensurethattheSKPx5.xxxUx/VGxxx.xxxUisnot
inthefullyopenposition.Ifthisisthecase,eitherthegasvalveissizedtoosmallorthegas
supplypressureistoolow.
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SKP25.xxxUx
Thegasoutletpressuresetpointadjustmentscrewislocatedinthecenteroftheregulatorcover.The
SKP25.0xxUxmodelsareavailablewiththreeinterchangeablesetpointspringsforanadjustablerange
of0”to100”w.c.TheSKP25.411Uxmodelsareavailablewithtwointerchangeablesetpointspringsfor
anadjustablerangeof1.5
to20psi.ThebiasfortheSKP25.611U1modelisadjustablefrom0.4"to‐
4.0"w.c.(seeSpecificationsandTable2).Clockwiserotationofthesetpointadjustmentscrew
increasestheoutletgaspressure.Thehexagonalcapmustbetightenedafterthesetpointscrewhas
beenadjustedandmaybesealed
fromtamperingbymeansofawireandleadseal.