登峰制冰机原理（Ice-O-Matic 方冰机培训）

WelcometotheIce-O-Matic®on-linetrainingmodules欢迎光临Ice-O-Matic®

方冰机培训ICESeries™30”CuberSequenceofOperationsICE0250-ICE1006ThismodulewillcovertheSequenceofOperationsfortheICESeries30”wideModularCubersfromtheICE0250throughtheICE1000lCubersICE系列30”宽度方冰机操作步骤ICE0250-ICE1006本次培训能够包括ICE系列30”宽的方冰机(从ICE0250到ICE1000)所有的操作步骤30”ModularUnitsICE/OFF/WASHSwitchTheunitbeginsoperationwhentheICE/OFF/WASHSwitchisturnedtotheICEposition.TheCompressor,WaterPumpandCondenserFanMotor,whereapplicable,areenergized.TheIce-O-MaticaircooledunitsuseaFanCyclingControl,sotheFanMotorwillstartwhentheheadpressurereaches250pounds.制冰/关闭/清洗开关如果把制冰/关闭/清洗开关拨到制冰位置,制冰机就会启动.压缩机/水泵/冷凝器冷却风机在需要的时候就会启动.Ice-O-Matic风冷式制冰机使用了冷凝器风机控制系统,所以在高压达到250PSI时风机就会启动LPTI,TimerandRelay低压控制器/计时器/继电器R-1RelayCoilR-1RelayLowPressureTimerInitiateControlSolidStateTimerDelay固态时间计时器FreezeCycleControls制冰周期控制Ice-O-MaticutilizesaLowPressureTimerInitiateandaTimerModuletoControlthelengthofthefreezecycle.TheTimerInitiateclosesonpressuredrop,sendingpowertotheTimerModule.TheTimerModulethencontinuesthefreezecycleforthelengthoftimeitissetfor,thencloses.ThissendspowertothecoilofRelay1,startingthedefrostcycle.R-1继电器低压计时器启动控制Ice-O-Matic制冰利用低压计时器启动和一个计时器模块来控制制冰周期的时间长度.当压力降低到规定值时,计时器会启动并开始计时一直到预先的设定值后关闭.计时器关闭后R-1继电器工作开始化霜循环.DefrostCycleControl化霜周期的控制HarvestAssistAssemblyOnceindefrost,theHarvestAssistAssemblyisincontrolofthelengthofthedefrostcycle.辅助推冰组件一旦进入化霜周期,辅助推冰组件会控制化霜周期的时间TimerInitiate计时器的启动TheLowPressureTimerInitiatecontrolswhatisknownastheuntimedportionofthefreezecycle.ThisallowsabasecourseoficetodevelopontheEvaporator.低压控制器启动的时间是在制冰周期中一部分,它是不定时,是按照冰在蒸发器上形成的状态而定的.TheLowPressureTimerInitiateclosesonpressuredrop,energizingtheTimerModule.当压力降低到设定值后低压控制器启动时间器模块.LowPressureTimerInitiateTimerInitiateTheLowPressureTimerInitiateislocatedintheCompressorCompartmentbehindtheControlBox.SeeyourTechnicalManualforsettingoftheControlforeachunitandformoreinformationontheuntimedfreezecycle.低压控制器低压控制器位于压缩机机械室内控制箱后部,关于如何设定控制压力请参看服务手册.BridgeThicknessAdjustment冰桥厚度的调节3/16”BridgeThicknessonICE0250,and1/8”BridgeThicknessonallothers.TheTimerModulecontrolsthetimedportionofthefreezecycle.Itshouldbesettoachievean1/8”bridgeacrossthemiddleoftheEvaporator.ICE0250机型的冰桥厚度是3/16”其它机型的冰桥厚度是1/8”计时器模块调整的时间是部分的制冰周期时间,它应该被调整到蒸发器中部的冰桥厚度达到规格值.ElectricalSystem电器系统TIMERMODULETheTimerModuleislocatedonthebackwalloftheControlBox.OncetheTimercloses,itenergizesthecoilofRelay1,thenormallyopencontactsoftherelaythenclose,energizingthedefrostcomponents.SeeyourTechnicalManualformoreinformationonthetimedfreezecycle.计时器模块计时器模块位于电器控制盒的后部,当时间到达设定值时,计时器会启动继电器1,继电器会启动相应的化霜的部件.化霜的部件.如果需要了解更多关于制冰周期时间的信息,请参看服务手册.ContactorRelay1Relay2PurgeSwitchSelectorSwitchPotentialRelayStartCapacitorRunCapacitorElectricalSystem电器系统Relay1islocatedintheControlBox.Intheseunits,Relay1isalwaysthetoprelay.压缩启动继电器接触器压缩机启动电容排水开关功能选择开关继电器1继电器2继电器1位于电器控制盒内,在这个系列中,继电器1总是在位于上部的那个继电器WaterSystem水系统PurgeValveWaterPumpAtthebeginningofthedefrostcycle,theunitpurgesthemineralladenwaterfromtheWaterTroughviathePurgeValve.泄水阀水泵在化霜周期开始时,制冰机会把含有矿物质的水从水槽中通过泄水阀排出.WaterSystem水系统ThePurgeValveislocatedbehindtheWaterPumpintheCompressorCompartment.泄水阀位于水泵后部的压缩机机械室内.HarvestAssist辅助推冰系统UpontheclosingofthenormallyopencontactsofRelay1,TheHarvestAssistAssemblycontrolsthedefrostcycle.当常开的继电器1关闭时,辅助推冰系统控制化霜周期HarvestAssist辅助推冰系统CamSwitchClutchProbeShaftLetsexaminetheoperationoftheHarvestAssistAssembly.ThisslideshowsthecorrectpositionofHarvestAssistwhentheunitisinthefreezecycle.TheswitchthatridestheedgeoftheClutchisknownastheCamSwitch.Itisasinglepole,doublethrowswitch.Wheninthisposition,thecontactsarenormal.Thenormallyopencontactsareopenandthenormallyclosedcontactsareclosed.让我们了解一下辅助推冰系统的运作.这张幻灯片显示的是在制冰周期时的正确位置.靠在凸轮边缘的那个开关叫凸轮开关.它是一个单刀双掷开关.在这个位置时,开关的正常的,常开点是开着的,常闭点是闭合的.凸轮开关凸轮顶杆HarvestAssist辅助推冰系统WaterPumpcontinuestorun,ThePurgeValveandHotGasValveareopen.Astheunitentersthedefrostcycle,TheProbeMotorontheHarvestAssistAssemblyisenergizedandbeginstoturnclockwisewhenviewedfromtheshaftend.TheProbeShaftispushedforwardandmeetsthebackoftheiceslab.TheClutchthenbeginstoslipuntiltheEvaporatorwarmsenoughfortheshafttomoveforward,pushingtheicefromtheEvaporator.水泵继续运转,泄水阀和化霜阀打开当制冰机进入化霜周期,辅助推冰系统的顶杆马达启动,开始顺时针转动.顶杆就会向前推并碰到冰板的背面.凸轮继续运转,当蒸发器已经有足够升温,顶杆就会继续向前,把冰推离蒸发器.HarvestAssist辅助推冰系统WhentheEvaporatoriswarmenough,theProbeShaftbeginspushingtheiceslaboff,helpingbreakthecapillaryattraction.当蒸发器有足够的升温,顶杆开始推出冰板,帮助破坏毛细引力.AstheProbeShaftmovesforward,theiceispushedclearoftheEvaporatorandtheiceslabdropsintothestoragebin.当顶杆向前移动,冰块会被推离蒸发器掉入储冰箱.HarvestAssist辅助推冰系统TheProbeShaftcontinuesforwardtoitsfullestextensionandwillbegintoretract.NotetheCamSwitchisabouttorideoutofthedepressionontheClutch.顶杆继续向前到达最大,然后开始缩回.注意:凸轮开关的柄会被凸轮压缩.HarvestAssist辅助推冰系统TheWaterPumpshutsdownandthePurgeValvecloses.NowiswhentheCurtainSwitchisread.AstheCamSwitcharmridesoutofthedepression,thecontactsswitch.Normallyopennowcloseswhilenormallyclosedopens.ThisshutsofftheWaterPumpandthePurgeValve.TheHotGasValveremainsopen.NowiswhentheCurtainSwitchisread.当水帘开关已经有过动作,水泵停止运转,泄水阀关闭.当凸轮开关的柄超出被压缩部分,开关的常开点关闭,常闭点打开.水泵和泄水阀会被关闭.化霜阀仍旧开启.水帘开关已经有过动作了.HarvestAssist辅助推冰系统Ifthebinisfullandthecurtainremainsopen,theunitwillshutdown.Ifthebinisnotfull,thecurtainwouldcloseafterharvestingt