陜西中央空調--變頻多聯機系(xi)統(tong)(tong)(tong)是(shi)(shi)“變(bian)頻一(yi)(yi)(yi)拖(tuo)多(duo)可(ke)變(bian)冷(leng)(leng)媒流量中央空(kong)調(diao)系(xi)統(tong)(tong)(tong)”的(de)簡稱，是(shi)(shi)由一(yi)(yi)(yi)臺(tai)室(shi)外(wai)機(ji)和若(ruo)干臺(tai)室(shi)內機(ji)組成的(de)一(yi)(yi)(yi)個冷(leng)(leng)媒循環系(xi)統(tong)(tong)(tong)。是(shi)(shi)變(bian)制(zhi)(zhi)冷(leng)(leng)劑(ji)(ji)流量（variedrefrigerant Volume）空(kong)調(diao)系(xi)統(tong)(tong)(tong)的(de)一(yi)(yi)(yi)種(zhong)形式(shi)，是(shi)(shi)一(yi)(yi)(yi)種(zhong)制(zhi)(zhi)冷(leng)(leng)劑(ji)(ji)式(shi)空(kong)調(diao)系(xi)統(tong)(tong)(tong)，它以制(zhi)(zhi)冷(leng)(leng)劑(ji)(ji)為輸送介質(zhi)，屬空(kong)氣(qi)—空(kong)氣(qi)熱泵系(xi)統(tong)(tong)(tong)。

該系(xi)統由(you)制冷劑(ji)管路連接的室(shi)(shi)(shi)外(wai)機(ji)(ji)和室(shi)(shi)(shi)內(nei)機(ji)(ji)組成(cheng)(cheng)，室(shi)(shi)(shi)外(wai)機(ji)(ji)由(you)室(shi)(shi)(shi)外(wai)側(ce)換熱器(qi)、壓縮機(ji)(ji)和其它制冷附件組成(cheng)(cheng)；室(shi)(shi)(shi)內(nei)機(ji)(ji)由(you)風機(ji)(ji)和直接蒸發器(qi)等組成(cheng)(cheng)。一(yi)臺室(shi)(shi)(shi)外(wai)機(ji)(ji)通(tong)過(guo)管路能夠向若干個(ge)室(shi)(shi)(shi)內(nei)機(ji)(ji)輸送制冷劑(ji)液體，通(tong)過(guo)控制壓縮機(ji)(ji)的制冷劑(ji)循環量和進入室(shi)(shi)(shi)內(nei)各個(ge)換熱器(qi)的制冷劑(ji)流量，可以適時地滿(man)足室(shi)(shi)(shi)內(nei)冷熱負荷要求。