屋(wu)頂(ding)(ding)風(feng)(feng)機(ji)(ji)安裝(zhuang)的(de)(de)基礎須(xu)高出(chu)屋(wu)面,表面要求平整(zheng),以防滲(shen)水漏水,并須(xu)預(yu)埋好地(di)腳(jiao)(jiao)螺(luo)栓(shuan)。2、風(feng)(feng)機(ji)(ji)底座與基礎之(zhi)間加(jia)墊(dian)一(yi)層5mm橡膠板,以減(jian)少振動,地(di)腳(jiao)(jiao)螺(luo)栓(shuan)應配有彈簧墊(dian)圈,防止(zhi)使(shi)用時松(song)動。3、屋(wu)頂(ding)(ding)風(feng)(feng)機(ji)(ji)出(chu)口(kou)的(de)(de)管(guan)徑(jing)(jing)只能變(bian)大、不能變(bian)小,最后(hou)出(chu)風(feng)(feng)口(kou)要安裝(zhuang)防蟲網,偏向上出(chu)風(feng)(feng)時須(xu)增加(jia)風(feng)(feng)雨帽;如遇冬(dong)季下雪,冰(bing)凍日期(qi),必須(xu)經常開動,以防大雪堵塞風(feng)(feng)機(ji)(ji)出(chu)口(kou)。4、屋(wu)頂(ding)(ding)風(feng)(feng)機(ji)(ji)與風(feng)(feng)管(guan)采用軟管(guan)(柔性材(cai)料且(qie)不燃燒)連接,長度(du)不宜小于(yu)200mm、管(guan)徑(jing)(jing)與屋(wu)頂(ding)(ding)風(feng)(feng)機(ji)(ji)進出(chu)口(kou)尺(chi)寸相(xiang)同(tong)。為保(bao)證軟管(guan)在(zai)系統運(yun)(yun)轉(zhuan)過(guo)程中(zhong)不出(chu)現扭(niu)曲變(bian)形,應安裝(zhuang)的(de)(de)松(song)緊(jin)適度(du)。對于(yu)裝(zhuang)在(zai)屋(wu)頂(ding)(ding)風(feng)(feng)機(ji)(ji)吸入(ru)(ru)端的(de)(de)帆(fan)布軟管(guan),可(ke)安裝(zhuang)稍緊(jin)些,防止(zhi)屋(wu)頂(ding)(ding)風(feng)(feng)機(ji)(ji)運(yun)(yun)轉(zhuan)時被吸入(ru)(ru),減(jian)少帆(fan)布軟管(guan)的(de)(de)截面尺(chi)寸。