為了確保工(gong)(gong)地(di)建設過程中任何樓(lou)層(ceng)有足(zu)夠(gou)的(de)(de)(de)水(shui)(shui)壓(ya)(ya)(ya)，必(bi)(bi)須(xu)采(cai)用(yong)(yong)(yong)設備進行二次增壓(ya)(ya)(ya)。光靠市(shi)政水(shui)(shui)壓(ya)(ya)(ya)顯然不(bu)夠(gou)。受(shou)樓(lou)層(ceng)高(gao)度增加(jia)的(de)(de)(de)影響，為了能(neng)隨著樓(lou)層(ceng)高(gao)度的(de)(de)(de)增加(jia)而(er)水(shui)(shui)壓(ya)(ya)(ya)保持(chi)不(bu)變，必(bi)(bi)須(xu)采(cai)用(yong)(yong)(yong)多級式(水(shui)(shui)泵(beng)高(gao)揚程必(bi)(bi)須(xu)高(gao)于樓(lou)層(ceng)高(gao)度約10米方能(neng)確保高(gao)樓(lou)層(ceng)水(shui)(shui)壓(ya)(ya)(ya))的(de)(de)(de)全自動增壓(ya)(ya)(ya)泵(beng)。而(er)多級式的(de)(de)(de)結構的(de)(de)(de)設備為例(li)確保水(shui)(shui)壓(ya)(ya)(ya)穩定(ding)且(qie)(qie)壽(shou)命(ming)不(bu)受(shou)影響，必(bi)(bi)須(xu)采(cai)用(yong)(yong)(yong)變頻(pin)(pin)式控(kong)制(zhi)(zhi)器方能(neng)很好(hao)解決(如果(guo)采(cai)用(yong)(yong)(yong)壓(ya)(ya)(ya)差式非變頻(pin)(pin)控(kong)制(zhi)(zhi)，不(bu)僅水(shui)(shui)壓(ya)(ya)(ya)不(bu)穩定(ding)，而(er)且(qie)(qie)還有爆管(guan)的(de)(de)(de)危險)。采(cai)用(yong)(yong)(yong)變頻(pin)(pin)控(kong)制(zhi)(zhi)不(bu)僅能(neng)保持(chi)水(shui)(shui)壓(ya)(ya)(ya)穩定(ding)，而(er)且(qie)(qie)還可以靈活調節、低功(gong)耗(hao)啟動減少對(dui)控(kong)制(zhi)(zhi)器的(de)(de)(de)沖(chong)擊等，使用(yong)(yong)(yong)壽(shou)命(ming)大大延長，可以用(yong)(yong)(yong)于多個工(gong)(gong)地(di)重復使用(yong)(yong)(yong)。