陜西中央空調--變頻多聯機系統(tong)是(shi)“變(bian)頻(pin)一拖多可變(bian)冷(leng)媒流(liu)(liu)量中(zhong)央空(kong)(kong)調系統(tong)”的(de)簡稱，是(shi)由(you)一臺室外機(ji)和(he)若干臺室內機(ji)組成的(de)一個冷(leng)媒循(xun)環系統(tong)。是(shi)變(bian)制冷(leng)劑(ji)流(liu)(liu)量（variedrefrigerant Volume）空(kong)(kong)調系統(tong)的(de)一種形式，是(shi)一種制冷(leng)劑(ji)式空(kong)(kong)調系統(tong)，它(ta)以制冷(leng)劑(ji)為輸送介質，屬空(kong)(kong)氣—空(kong)(kong)氣熱泵(beng)系統(tong)。

該系統(tong)由(you)制(zhi)冷(leng)(leng)(leng)(leng)劑管路連接的室(shi)外機(ji)和(he)室(shi)內(nei)(nei)機(ji)組(zu)(zu)成(cheng)，室(shi)外機(ji)由(you)室(shi)外側換(huan)(huan)熱(re)器、壓縮機(ji)和(he)其它制(zhi)冷(leng)(leng)(leng)(leng)附件組(zu)(zu)成(cheng)；室(shi)內(nei)(nei)機(ji)由(you)風(feng)機(ji)和(he)直接蒸發器等組(zu)(zu)成(cheng)。一(yi)臺(tai)室(shi)外機(ji)通(tong)過(guo)管路能夠向若(ruo)干個(ge)室(shi)內(nei)(nei)機(ji)輸(shu)送制(zhi)冷(leng)(leng)(leng)(leng)劑液體(ti)，通(tong)過(guo)控制(zhi)壓縮機(ji)的制(zhi)冷(leng)(leng)(leng)(leng)劑循環量和(he)進入室(shi)內(nei)(nei)各(ge)個(ge)換(huan)(huan)熱(re)器的制(zhi)冷(leng)(leng)(leng)(leng)劑流量，可以適時地滿(man)足(zu)室(shi)內(nei)(nei)冷(leng)(leng)(leng)(leng)熱(re)負荷要(yao)求(qiu)。