機(ji)(ji)房(fang)是(shi)(shi)(shi)一(yi)(yi)個先進的(de)(de)(de)空調(diao)高(gao)(gao)溫(wen)(wen)(wen)(wen)工(gong)(gong)(gong)業(ye)(ye)(ye)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機(ji)(ji)(5 ~ 30 °C)。這(zhe)(zhe)種制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機(ji)(ji)使用傳(chuan)統的(de)(de)(de)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)劑，可(ke)(ke)以將(jiang)溫(wen)(wen)(wen)(wen)度(du)(du)(du)(du)保持(chi)在(zai)5至(zhi)(zhi)30攝氏(shi)度(du)(du)(du)(du)之間。冷(leng)(leng)(leng)水(shui)(shui)機(ji)(ji)組是(shi)(shi)(shi)一(yi)(yi)種能(neng)提供恒溫(wen)(wen)(wen)(wen)、恒流、恒壓的(de)(de)(de)冷(leng)(leng)(leng)卻(que)水(shui)(shui)設(she)備。冷(leng)(leng)(leng)水(shui)(shui)機(ji)(ji)的(de)(de)(de)回水(shui)(shui)溫(wen)(wen)(wen)(wen)度(du)(du)(du)(du)不應高(gao)(gao)于(yu)攝氏(shi)40度(du)(du)(du)(du)。回水(shui)(shui)溫(wen)(wen)(wen)(wen)度(du)(du)(du)(du)越高(gao)(gao)，對壓縮(suo)機(ji)(ji)的(de)(de)(de)損傷越大(da)。也就是(shi)(shi)(shi)說，在(zai)調(diao)整(zheng)溫(wen)(wen)(wen)(wen)度(du)(du)(du)(du)控(kong)制(zhi)(zhi)(zhi)(zhi)類別(bie)時，工(gong)(gong)(gong)業(ye)(ye)(ye)冷(leng)(leng)(leng)水(shui)(shui)機(ji)(ji)組的(de)(de)(de)低(di)溫(wen)(wen)(wen)(wen)設(she)定(ding)在(zai)5 °C，高(gao)(gao)溫(wen)(wen)(wen)(wen)設(she)定(ding)在(zai)30 °C，這(zhe)(zhe)是(shi)(shi)(shi)目前工(gong)(gong)(gong)業(ye)(ye)(ye)上廣泛采用的(de)(de)(de)溫(wen)(wen)(wen)(wen)度(du)(du)(du)(du)控(kong)制(zhi)(zhi)(zhi)(zhi)類別(bie)。然而，有(you)些要(yao)(yao)求是(shi)(shi)(shi)在(zai)3 °C 下進行的(de)(de)(de)，這(zhe)(zhe)需要(yao)(yao)在(zai)制(zhi)(zhi)(zhi)(zhi)造業(ye)(ye)(ye)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機(ji)(ji)計劃中提出和判斷(duan)(duan)。中溫(wen)(wen)(wen)(wen)工(gong)(gong)(gong)業(ye)(ye)(ye)冷(leng)(leng)(leng)水(shui)(shui)機(ji)(ji)組(0 ~ 15 °C) ，水(shui)(shui)會凍結在(zai)0 °C，這(zhe)(zhe)是(shi)(shi)(shi)老(lao)人和小孩都知道的(de)(de)(de)一(yi)(yi)個普遍原理(li)。那么，如果工(gong)(gong)(gong)業(ye)(ye)(ye)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機(ji)(ji)要(yao)(yao)求提供低(di)于(yu)零(ling)的(de)(de)(de)低(di)溫(wen)(wen)(wen)(wen)液體，這(zhe)(zhe)可(ke)(ke)能(neng)嗎(ma)？答案當然是(shi)(shi)(shi)一(yi)(yi)種判斷(duan)(duan)。中溫(wen)(wen)(wen)(wen)工(gong)(gong)(gong)業(ye)(ye)(ye)制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機(ji)(ji)的(de)(de)(de)溫(wen)(wen)(wen)(wen)度(du)(du)(du)(du)可(ke)(ke)設(she)定(ding)在(zai)攝氏(shi)0度(du)(du)(du)(du)至(zhi)(zhi)15度(du)(du)(du)(du)，而制(zhi)(zhi)(zhi)(zhi)冷(leng)(leng)(leng)劑可(ke)(ke)以是(shi)(shi)(shi)氯化鈣(gai)(鹽水(shui)(shui))或乙(yi)二醇水(shui)(shui)溶液。低(di)溫(wen)(wen)(wen)(wen)工(gong)(gong)(gong)業(ye)(ye)(ye)冷(leng)(leng)(leng)水(shui)(shui)機(ji)(ji)組可(ke)(ke)提供攝氏(shi)零(ling)下15度(du)(du)(du)(du)至(zhi)(zhi)35度(du)(du)(du)(du)以下的(de)(de)(de)低(di)溫(wen)(wen)(wen)(wen)工(gong)(gong)(gong)業(ye)(ye)(ye)冷(leng)(leng)(leng)水(shui)(shui)機(ji)(ji)組。

它們通常用于化(hua)學和制藥工(gong)業(ye)，用于反應器材料的(de)(de)冷卻(que)或材料的(de)(de)冷凝和回收。深低(di)(di)溫工(gong)業(ye)冷水(shui)機(ji)組(zu)(zu)是指機(ji)房復雜的(de)(de)空調系(xi)統能夠提供 -35 °C 以(yi)下的(de)(de)低(di)(di)溫制冷劑的(de)(de)工(gong)業(ye)冷水(shui)機(ji)組(zu)(zu)，它采用二元或三元串(chuan)聯(lian)制冷系(xi)統，故又稱為(wei)串(chuan)聯(lian)工(gong)業(ye)冷水(shui)機(ji)組(zu)(zu)。由此可見，工(gong)業(ye)冷水(shui)機(ji)組(zu)(zu)的(de)(de)溫度控制范圍