陜西中央空調--變頻多聯機系統(tong)(tong)(tong)是(shi)“變頻(pin)一拖多可變冷媒流量中央空(kong)調系統(tong)(tong)(tong)”的(de)(de)簡稱，是(shi)由一臺室(shi)外機(ji)和(he)若干臺室(shi)內機(ji)組成的(de)(de)一個(ge)冷媒循(xun)環系統(tong)(tong)(tong)。是(shi)變制(zhi)冷劑流量（variedrefrigerant Volume）空(kong)調系統(tong)(tong)(tong)的(de)(de)一種(zhong)(zhong)形(xing)式，是(shi)一種(zhong)(zhong)制(zhi)冷劑式空(kong)調系統(tong)(tong)(tong)，它(ta)以制(zhi)冷劑為輸送介質(zhi)，屬(shu)空(kong)氣—空(kong)氣熱泵系統(tong)(tong)(tong)。

該系(xi)統由制冷(leng)劑管路連接(jie)的(de)室(shi)(shi)外機(ji)和(he)室(shi)(shi)內(nei)機(ji)組成(cheng)，室(shi)(shi)外機(ji)由室(shi)(shi)外側(ce)換(huan)熱(re)器、壓縮機(ji)和(he)其它(ta)制冷(leng)附件組成(cheng)；室(shi)(shi)內(nei)機(ji)由風機(ji)和(he)直接(jie)蒸(zheng)發(fa)器等組成(cheng)。一(yi)臺室(shi)(shi)外機(ji)通(tong)過(guo)管路能夠向若干個室(shi)(shi)內(nei)機(ji)輸(shu)送制冷(leng)劑液體(ti)，通(tong)過(guo)控制壓縮機(ji)的(de)制冷(leng)劑循環(huan)量和(he)進(jin)入室(shi)(shi)內(nei)各個換(huan)熱(re)器的(de)制冷(leng)劑流量，可以適時地滿(man)足室(shi)(shi)內(nei)冷(leng)熱(re)負(fu)荷要求。