《电气控制柜lec系列》由会员分享，可在线阅读，更多相关《电气控制柜lec系列（88页珍藏版）》请在金锄头文库上搜索。
1、LEC ? LEC SERIES ELECTRIC CONTROL? ? ? ? ? ? ? ? ? ? ? ? ? ? ?ProductCatalog2005业务手机 1 3 8 1 7 2 7 4 2 2 6 1 5 2 0 1 9 9 6 5 7 5业务手机 1 3 8 1 7 2 7 4 2 2 6 1 5 2 0 1 9 9 6 5 7 5Content112468923OutlineApplicationEquipment classification and codes meaningSpecial charpter for soft startingSpecial charpt
2、er for intelligent controlNotice at orderLECModel selection of LEC electric control cabinetAfter-sales-services systemLEC series electriccontrolcabinetis meticulouslydesignedand manufactured by Liancheng Co.by means of fullyabsorbing the advanced experience on water pump controlbothathomeandabroadan
3、d continualperfectingandoptimizingduring both production and application in many years.This product is durable with the choice of both domseticand imported excellent components and has the functions ofoverload, short-circuit,overflow,phase-off,waterleakprotectionandautomatictiming switch,alternatice
4、 switch and starting ofthe spare pump at a failure and can be used for water supplyfor high buildings, fire-fighting, residentialquarters, boilers,air-conditioning circulation, cooling system and for sewagedrainage etc.many fileds.Besides, those designs, installations and debuggings withspecial requ
5、irements can also be provided for the users.This Co. holds complete design technologies, advancedproduction and detection equipments and strict qualityguarantee system and post-sale serviceand will provide userswith better services to get rid of their troubles back at bomewhile making the products p
6、erfected day by day.LEC LEC SERIES ELECTRIC CONTROL CABINETPAGE 01OUTLINELECAPPLICATIONLiving water supply in the residential quarter of cities andvillages, high buildings, hotels and larger buildings andfire-fighting and spraying pumps control.The cold-hot water circulation in the heat supply and a
7、ir-conditioningsystemand thepumpusedfortheair-conditioningcooling system control.Sewage treatment systemThe pump control used fou agricultural irrigation anddrainage etc.Systems.The blower control in high buildings and in variousapplications.The mechanical equipment control as air compressor,desinte
8、grator, filler,winder,staircase,grinder,hoister etc.LEC LEC SERIES ELECTRIC CONTROL CABINETPAGE 02Code s meaningLECHAc:As:DkWLEC -EQUIPMENT CLASSIFICATION AND CODE S MEANINGLiancheng brandNo.of water pumpsMain,spare pumps switching modeH: Ordinary switching.Beforestarting, firstselectbetween main an
9、d spare pumpsbyhand.Toautomatically,thestartingsignalwillautomaticallystart the main pump, when a failure occurs with which,thespare pump will automati-cally go to work.Water pumps automatically work in turn so as to havebothmain and spare pumps evenly worn out and avoid rustingwith the spare ones d
10、ue to a long time of unuse, this modeis suitable fou such a condition as for water pumps to worknot for a long time.Water pumps automatically switch per thesettime,suitablefor the system of a long-time drainage.Not marked: switching specially for fire-fightingAc: Automatic alternative switchingAs: A
11、utomatic timing switchingDual powers, expressed by D, automatical swit-ching between normal and spare pumps. Power of water pumps motor(kW)Note: the spare pumps can be continually put into workunder whether switching modes.automatically once a failure occurs with the main onesLEC LEC SERIES ELECTRIC
12、 CONTROL CABINETPAGE 03control characterL: liquid level controlP: puessure controlS: specially used type for the submerged sewage pumpA: specially used type for air-conditioningFS and FP fire-fighting specially used typeUseofthehigh-performancekeyfloating-ballswitchproducedwith Italian know-how can
13、make the automatic control ofstarting and stoping both water supply and drainagepumpsuponthevariationsoftheliquidlevelsheightreliably carriedout and other liquid level controllers can also be suppliedsuch as the dry-reed liquid level controller. electrode andso on as the users require.Fittedwithanel
14、ectrocontactpiezometerorpressurecontrollerand can automatecally start or stop pumps upon the setpressure,this is used alotfor theliving water supply systemand fire-fighting boosting system.This typeis compatiblewith theallcharactersofliquidlevelcontrolandalsohasthewater-leak,motorswindingoverheatpro
15、tections.All pumps will take part in work and warningwhen it gets to the warning level.This type is designed specially for the water pumps jointlycontrolled by the central air conditioning and the pumpsare operated by the control center. In running, the pumpssend out a jointly-controlled contact to
16、start from therefrigerating unit and thus realizethethecontrolprocedurefirst to start the water pump and then the unit and first stopthe unit and then the pump to ensure a safe running.FS as fire-hydrant control and Fp as spraying control, thistype is designed according to thenationalstandard for fire-fighting. Both fire-fighting and spraying pumps can bestarted by:1.manually on the panel on the cabinet;2.the switc
