機(ji)房(fang)是(shi)(shi)一(yi)個先進的(de)空調高(gao)溫(wen)(wen)(wen)工(gong)(gong)(gong)(gong)業制(zhi)(zhi)冷(leng)(leng)(leng)機(ji)(5 ~ 30 °C)。這種(zhong)制(zhi)(zhi)冷(leng)(leng)(leng)機(ji)使用傳統的(de)制(zhi)(zhi)冷(leng)(leng)(leng)劑，可(ke)以將溫(wen)(wen)(wen)度(du)(du)保(bao)持在(zai)5至(zhi)(zhi)30攝(she)氏度(du)(du)之間。冷(leng)(leng)(leng)水(shui)(shui)機(ji)組是(shi)(shi)一(yi)種(zhong)能提(ti)(ti)供(gong)恒(heng)溫(wen)(wen)(wen)、恒(heng)流、恒(heng)壓(ya)的(de)冷(leng)(leng)(leng)卻水(shui)(shui)設(she)備。冷(leng)(leng)(leng)水(shui)(shui)機(ji)的(de)回(hui)水(shui)(shui)溫(wen)(wen)(wen)度(du)(du)不(bu)應(ying)高(gao)于(yu)攝(she)氏40度(du)(du)。回(hui)水(shui)(shui)溫(wen)(wen)(wen)度(du)(du)越高(gao)，對壓(ya)縮機(ji)的(de)損傷越大。也就(jiu)是(shi)(shi)說，在(zai)調整溫(wen)(wen)(wen)度(du)(du)控(kong)制(zhi)(zhi)類別(bie)時，工(gong)(gong)(gong)(gong)業冷(leng)(leng)(leng)水(shui)(shui)機(ji)組的(de)低溫(wen)(wen)(wen)設(she)定在(zai)5 °C，高(gao)溫(wen)(wen)(wen)設(she)定在(zai)30 °C，這是(shi)(shi)目前工(gong)(gong)(gong)(gong)業上廣泛采(cai)用的(de)溫(wen)(wen)(wen)度(du)(du)控(kong)制(zhi)(zhi)類別(bie)。然(ran)而，有些要求是(shi)(shi)在(zai)3 °C 下進行的(de)，這需要在(zai)制(zhi)(zhi)造業制(zhi)(zhi)冷(leng)(leng)(leng)機(ji)計(ji)劃(hua)中(zhong)提(ti)(ti)出和(he)判斷(duan)。中(zhong)溫(wen)(wen)(wen)工(gong)(gong)(gong)(gong)業冷(leng)(leng)(leng)水(shui)(shui)機(ji)組(0 ~ 15 °C) ，水(shui)(shui)會凍結在(zai)0 °C，這是(shi)(shi)老(lao)人和(he)小孩都(dou)知道的(de)一(yi)個普遍原(yuan)理。那么，如(ru)果工(gong)(gong)(gong)(gong)業制(zhi)(zhi)冷(leng)(leng)(leng)機(ji)要求提(ti)(ti)供(gong)低于(yu)零的(de)低溫(wen)(wen)(wen)液體，這可(ke)能嗎？答案(an)當然(ran)是(shi)(shi)一(yi)種(zhong)判斷(duan)。中(zhong)溫(wen)(wen)(wen)工(gong)(gong)(gong)(gong)業制(zhi)(zhi)冷(leng)(leng)(leng)機(ji)的(de)溫(wen)(wen)(wen)度(du)(du)可(ke)設(she)定在(zai)攝(she)氏0度(du)(du)至(zhi)(zhi)15度(du)(du)，而制(zhi)(zhi)冷(leng)(leng)(leng)劑可(ke)以是(shi)(shi)氯化(hua)鈣(gai)(鹽水(shui)(shui))或乙(yi)二(er)醇(chun)水(shui)(shui)溶液。低溫(wen)(wen)(wen)工(gong)(gong)(gong)(gong)業冷(leng)(leng)(leng)水(shui)(shui)機(ji)組可(ke)提(ti)(ti)供(gong)攝(she)氏零下15度(du)(du)至(zhi)(zhi)35度(du)(du)以下的(de)低溫(wen)(wen)(wen)工(gong)(gong)(gong)(gong)業冷(leng)(leng)(leng)水(shui)(shui)機(ji)組。

它們通(tong)常用(yong)于(yu)化(hua)學和(he)制(zhi)(zhi)藥工(gong)業(ye)(ye)，用(yong)于(yu)反(fan)應器(qi)材(cai)料的冷(leng)(leng)(leng)(leng)卻(que)或材(cai)料的冷(leng)(leng)(leng)(leng)凝和(he)回收。深低溫工(gong)業(ye)(ye)冷(leng)(leng)(leng)(leng)水(shui)(shui)(shui)機(ji)組(zu)是指機(ji)房復雜的空(kong)調(diao)系統能(neng)夠提供 -35 °C 以下的低溫制(zhi)(zhi)冷(leng)(leng)(leng)(leng)劑的工(gong)業(ye)(ye)冷(leng)(leng)(leng)(leng)水(shui)(shui)(shui)機(ji)組(zu)，它采用(yong)二元或三元串聯制(zhi)(zhi)冷(leng)(leng)(leng)(leng)系統，故又(you)稱為串聯工(gong)業(ye)(ye)冷(leng)(leng)(leng)(leng)水(shui)(shui)(shui)機(ji)組(zu)。由此可見，工(gong)業(ye)(ye)冷(leng)(leng)(leng)(leng)水(shui)(shui)(shui)機(ji)組(zu)的溫度控(kong)制(zhi)(zhi)范圍