閉(bi)環(huan)製(zhi)冷(leng)機(ji)製(zhi)冷(leng)時(shi)並(bing)不(bu)從(cong)外(wai)部(bu)引(yin)入(ru)空(kong)氣(qi)
，這(zhe)樣(yang)可(ke)以(yi)避(bi)免(mian)對(dui)內(nei)部(bu)組(zu)件(jian)的(de)汙(wu)染(ran)危(wei)害(hai)。製(zhi)冷(leng)機(ji)通(tong)過(guo)內(nei)部(bu)的(de)蒸(zheng)發(fa)器(qi)帶(dai)走(zou)控(kong)製(zhi)櫃(gui)內(nei)的(de)熱(re)量(liang)
，再(zai)通(tong)過(guo)冷(leng)凝(ning)器(qi)的(de)出(chu)氣(qi)口(kou)將(jiang)熱(re)量(liang)釋(shi)放(fang)。

    製zhi冷leng機ji可ke以yi在zai控kong製zhi櫃gui內nei所suo允yun許xu的de最zui高gao氣qi溫wen必bi須xu保bao持chi低di於yu外wai部bu環huan境jing溫wen度du時shi使shi用yong，使shi用yong製zhi冷leng機ji的de的de另ling一yi個ge原yuan因yin是shi製zhi冷leng機ji的de外wai部bu尺chi寸cun小xiao於yu相xiang同tong功gong率lv的de熱re交jiao換huan器qi。在zai很hen高gao的de溫wen度du下xia，或huo者zhe熱re負fu載zai要yao求qiu很hen高gao的de製zhi冷leng量liang時shi通tong常chang也ye使shi用yong製zhi冷leng機ji。盡jin管guan同tong非fei定ding製zhi空kong調tiao係xi統tong很hen相xiang似si，這zhe些xie專zhuan門men設she計ji的de製zhi冷leng係xi統tong還hai是shi有you些xie細xi微wei的de差cha別bie，為wei了le避bi免mian控kong製zhi櫃gui內nei的de組zu件jian受shou到dao熱re負fu荷he的de衝chong擊ji

，通tong常chang會hui使shi用yong比bi非fei定ding製zhi空kong調tiao係xi統tong高gao的de蒸zheng發fa器qi溫wen度du
，另ling一yi個ge非fei標biao準zhun化hua的de特te性xing是shi監jian測ce和he報bao告gao驅qu動dong程cheng序xu
，它ta能neng保bao證zheng位wei於yu遠yuan端duan的de工gong作zuo人ren員yuan能neng獲huo得de熱re管guan理li係xi統tong的de運yun行xing信xin息xi以yi及ji了le解jie控kong製zhi櫃gui內nei的de運yun行xing狀zhuang態tai。雷lei子zi克ke公gong司si的de製zhi冷leng機ji設she計ji為wei可ke以yi運yun行xing在zai高gao於yu55℃環境溫度中（例如熱帶國家）

    盡jin管guan蒸zheng發fa器qi能neng去qu除chu一yi些xie濕shi氣qi，但dan如ru果guo在zai維wei護hu時shi控kong製zhi櫃gui被bei打da開kai
，要yao控kong製zhi控kong製zhi櫃gui內nei的de濕shi氣qi不bu是shi容rong易yi的de。控kong製zhi櫃gui內nei沒mei有you外wai部bu環huan境jing空kong氣qi的de滲shen透tou，當dang控kong製zhi櫃gui內nei的de溫wen度du升sheng高gao時shi，通tong常chang濕shi度du也ye相xiang對dui較jiao低di。閉bi環huan製zhi冷leng機ji可ke以yi很hen安an全quan地di安an裝zhuang於yu控kong製zhi櫃gui，控kong製zhi櫃gui的de防fang水shui和he防fang塵chen率lv必bi須xu穩wen定ding。