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1、DG型气体压力开关使用说明书●请阅读和保持一个安全的地方解释符号●,1,2,3...=功能➔=用法说明所有工作必须在阅读操作说明后才能进行!警告!不正确的安装、调整、修改、操作或维护可能导致伤害或物质损失。使用前先阅读说明书。这个单位必须安装依照本条例的实施。标准声明We,themanufacturer,herebydeclarethattheproductsDG..,markedwithproductIDNo.CE0085AP0467,complywiththeessentialrequirementsofthefollowingDirectives:–
2、90/396/EECinconjunctionwithEN1854,–73/23/EECinconjunctionwiththerelevantstandards.Therelevantproductscorrespondtothetypetestedbythenotifiedbody0085.ComprehensivequalityassuranceisguaranteedbyacertifiedQualitySystempursuanttoDINENISO9001accordingtoannexII,para-graph3ofDirective90/396
3、/EEC.ElsterKromschröderGmbH,Osnabrück测试➔电源电压、环境温度和外壳——看类型的标签。➔最大介质温度:-15+80°C。在系统暴露于更高的热应力、热设备上时压力开关必须安装在上游。DG..B型➔正压时1号位置为进气DG..U型,DG..H型,DG..N型➔正压时1号或者2号位置为进气,气体为空气、天然气或者烟气(其他位置密封),通风时气体从3号或者4号位置离开。➔负压时3号或者4号位置为进气,气体为空气、天然气或者烟气(其他位置密封),通风时气体从1号或者2号位置离开。➔对于压差时,用1号或2号和3号或4号,气体为空气、
4、天然气或者烟气,其他位置密封。➔在连接3号和4号位置时使用过滤垫,防止气体中的杂质弄脏电触点。➔DG..B,DG..Uswitchwithrisingpressure.➔DG..Hswitchesandlocksoffwithrisingpressure–withmanualreset.➔DG..Nswitchesandlocksoffwithfallingpressure–withmanualreset.➔Fitanupstreamrestrictorifthesystemissubjecttogreatlyfluctuatingpressures(see
5、acces-sories).➔Theservicelifewillbeshorterifsubjecttoozoneconcentrationsexceeding200µg/m3.Installation➔Fittingpositionasrequired,pref-erablywithdiaphragmvertical,withunobstructedviewoftheadjustmentdial.Ensurethatnodirtormoisturecanpenetrateopenventilationports.➔Thehousingmaynotcon
6、tactmasonry.Minimumclearance20mm.➔AvoidsubjectingtheDGtostrongorviolentvibrations.➔Condensationmustnotbeallowedtogetintothehousing.Atsubzerotemperaturesmalfunctions/failuresduetoicingcanoccur.➔Whenusingsiliconetubes,onlyusesiliconetubeswhichhavebeensufficientlycured.➔Continuousoper
7、ationathightemperaturesacceleratestheageingofelastomermaterials.➔Protectfromdirectsunlight(evenwithIP65).DG..B..S➔DonotconnectgasbutonlyO2orNH3tothepositivepressureport1.Ensurethatnogreaseisusedduringinstallation.DG1Flushthepipework.2Usesuitablesealingmaterial.3Ifdirtcanaccumulate
8、atport3or4,usethefilter,OrderNo.74