根據(ju)所選(xuan)定的蓄(xu)(xu)冷(leng)(leng)(leng)模(mo)式來(lai)斷(duan)定蓄(xu)(xu)冷(leng)(leng)(leng)主(zhu)(zhu)(zhu)機(ji)(ji)(ji)(ji)容量(liang)，全蓄(xu)(xu)冷(leng)(leng)(leng)式因(yin)為電力峰段(duan)的總(zong)冷(leng)(leng)(leng)負荷悉數由蓄(xu)(xu)冷(leng)(leng)(leng)裝置提(ti)供。因(yin)而(er)主(zhu)(zhu)(zhu)機(ji)(ji)(ji)(ji)所需(xu)容量(liang)大，部分(fen)(fen)(fen)蓄(xu)(xu)冷(leng)(leng)(leng)式主(zhu)(zhu)(zhu)機(ji)(ji)(ji)(ji)容量(liang)則要(yao)小許多，但部分(fen)(fen)(fen)蓄(xu)(xu)冷(leng)(leng)(leng)式主(zhu)(zhu)(zhu)機(ji)(ji)(ji)(ji)挑選(xuan)時(shi)(shi)，還要(yao)充分(fen)(fen)(fen)考慮和(he)分(fen)(fen)(fen)析蓄(xu)(xu)冷(leng)(leng)(leng)份額。蓄(xu)(xu)冷(leng)(leng)(leng)比(bi)(bi)越(yue)(yue)(yue)大，蓄(xu)(xu)冰(bing)主(zhu)(zhu)(zhu)機(ji)(ji)(ji)(ji)容積越(yue)(yue)(yue)大，運行(xing)費用越(yue)(yue)(yue)高;蓄(xu)(xu)冷(leng)(leng)(leng)比(bi)(bi)越(yue)(yue)(yue)小，蓄(xu)(xu)冷(leng)(leng)(leng)優(you)越(yue)(yue)(yue)性不(bu)明顯，且相應的制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機(ji)(ji)(ji)(ji)容量(liang)越(yue)(yue)(yue)大。因(yin)而(er)，有(you)(you)必(bi)要(yao)挑選(xuan)合適的蓄(xu)(xu)冷(leng)(leng)(leng)比(bi)(bi)，才會完成既節能(neng)又(you)節省初投資的效果(guo)。一般，冰(bing)蓄(xu)(xu)冷(leng)(leng)(leng)比(bi)(bi)以30%～70%為宜。冰(bing)蓄(xu)(xu)冷(leng)(leng)(leng)空(kong)調系(xi)統用冷(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)(ji)組需(xu)求適應空(kong)調工(gong)況和(he)蓄(xu)(xu)冰(bing)工(gong)況，在設計蓄(xu)(xu)冰(bing)空(kong)調體系(xi)時(shi)(shi)，應把握冷(leng)(leng)(leng)水(shui)機(ji)(ji)(ji)(ji)組在不(bu)同工(gong)況下(xia)運行(xing)時(shi)(shi)的制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)量(liang)改變(bian)，制(zhi)(zhi)(zhi)冷(leng)(leng)(leng)機(ji)(ji)(ji)(ji)容量(liang)也應考慮5%～10%的余量(liang)。此外,有(you)(you)必(bi)要(yao)斷(duan)定蓄(xu)(xu)冰(bing)期載冷(leng)(leng)(leng)劑的供水(shui)溫度(du)。

　　冰(bing)蓄冷(leng)空調系(xi)統冷(leng)水的供回(hui)水溫差要求

　　選用(yong)冰蓄(xu)冷空(kong)調(diao)(diao)系統時，應適(shi)當加大空(kong)調(diao)(diao)冷水的供(gong)回水溫差，并應契合下列(lie)規則(ze)：

　　1、當空(kong)調冷(leng)水(shui)(shui)直接(jie)進(jin)入修建內各空(kong)調未端時，若選(xuan)用冰(bing)(bing)(bing)盤(pan)管內融冰(bing)(bing)(bing)方法，空(kong)調體(ti)系的冷(leng)水(shui)(shui)供(gong)(gong)(gong)回(hui)水(shui)(shui)溫(wen)差不(bu)該(gai)小(xiao)于(yu)(yu)6℃，供(gong)(gong)(gong)水(shui)(shui)溫(wen)度不(bu)宜高于(yu)(yu)6℃;若選(xuan)用冰(bing)(bing)(bing)盤(pan)管外(wai)融冰(bing)(bing)(bing)方法，空(kong)調體(ti)系的冷(leng)水(shui)(shui)供(gong)(gong)(gong)回(hui)水(shui)(shui)溫(wen)差不(bu)該(gai)小(xiao)于(yu)(yu)8℃，供(gong)(gong)(gong)水(shui)(shui)溫(wen)度不(bu)宜高于(yu)(yu)5℃。

　　2、當修建冰(bing)(bing)蓄冷(leng)空調(diao)系(xi)統因為分區(qu)而存在二次冷(leng)水(shui)(shui)(shui)的(de)(de)(de)需求時，若選(xuan)用冰(bing)(bing)盤(pan)管內融冰(bing)(bing)方(fang)法，空調(diao)體系(xi)的(de)(de)(de)一次冷(leng)水(shui)(shui)(shui)供(gong)(gong)回水(shui)(shui)(shui)溫(wen)(wen)差不(bu)(bu)該小于(yu)(yu)5 ℃，供(gong)(gong)水(shui)(shui)(shui)溫(wen)(wen)度不(bu)(bu)宜(yi)高(gao)于(yu)(yu)6℃;若選(xuan)用冰(bing)(bing)盤(pan)管外(wai)融冰(bing)(bing)方(fang)法，空調(diao)體系(xi)的(de)(de)(de)一次冷(leng)水(shui)(shui)(shui)供(gong)(gong)回水(shui)(shui)(shui)溫(wen)(wen)差不(bu)(bu)該小于(yu)(yu)6℃，供(gong)(gong)水(shui)(shui)(shui)溫(wen)(wen)度不(bu)(bu)宜(yi)高(gao)于(yu)(yu)5℃。

　　3、當空(kong)調體(ti)系選(xuan)用低溫送風方(fang)法時，其冷水(shui)供(gong)回水(shui)溫度(du)，應根(gen)據經濟(ji)技術(shu)比(bi)較后斷定。供(gong)水(shui)溫度(du)不宜高于5℃。

　　4、選用區域供冷(leng)時，溫差要求應契合冰蓄冷(leng)空(kong)調(diao)系統使(shi)用說(shuo)明要求。

　　選(xuan)用區域供冷(leng)方法時，宜選(xuan)用冰(bing)蓄冷(leng)空調系統。空調冷(leng)水供回水溫差應契合(he)下列規則：

　　1、選用電動壓縮式冷(leng)水機組供(gong)冷(leng)時，不宜小于7℃。

　　2、選用冰蓄冷空調系(xi)統時，不該小于9℃。

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