一、風機盤管二管制、三管制和四管制是什么
風機盤管的(de)二(er)管(guan)(guan)(guan)制,三管(guan)(guan)(guan)制與四(si)管(guan)(guan)(guan)制中的(de)管(guan)(guan)(guan)制,指的(de)是(shi)每棟樓水系統的(de)形式,這個很容易跟(gen)兩排管(guan)(guan)(guan),三排管(guan)(guan)(guan)和四(si)排管(guan)(guan)(guan)混淆。
1、風機盤管二管制
供(gong)(gong)冷(leng)(leng)供(gong)(gong)熱合用(yong)(yong)(yong)同一管(guan)路系統,夏季(ji)供(gong)(gong)冷(leng)(leng),冬季(ji)供(gong)(gong)熱。可(ke)節省投資費用(yong)(yong)(yong),減(jian)少(shao)維修量,是(shi)空(kong)調系統中普遍(bian)采用(yong)(yong)(yong)的(de)一種管(guan)制(zhi)方式,但不能用(yong)(yong)(yong)于同時需要供(gong)(gong)冷(leng)(leng)和(he)供(gong)(gong)熱的(de)場所(suo)。
2、風機盤管三管制
分別設(she)置供(gong)冷(leng)管路(lu)、供(gong)熱(re)管路(lu)、換熱(re)設(she)備管路(lu)三(san)根水(shui)(shui)管,其冷(leng)水(shui)(shui)與熱(re)水(shui)(shui)的回水(shui)(shui)管共用。三(san)管制系(xi)統能(neng)夠同時滿(man)足供(gong)冷(leng)和供(gong)熱(re)的要求,管路(lu)系(xi)統較四(si)管制簡(jian)單(dan)。缺(que)點是(shi)比兩管制復雜,投(tou)資也(ye)比較高,且(qie)存在冷(leng)、熱(re)回水(shui)(shui)的混合損失。
3、風機盤管四管制
四(si)管(guan)(guan)制(zhi)(zhi)(zhi)風(feng)機盤管(guan)(guan)則包括兩(liang)組供(gong)(gong)回水管(guan)(guan)路,以便同時提供(gong)(gong)制(zhi)(zhi)(zhi)冷(leng)(leng)和(he)制(zhi)(zhi)(zhi)熱(re)功(gong)能。它可以在相同的空(kong)氣處理單元(yuan)上同時靈(ling)活地提供(gong)(gong)制(zhi)(zhi)(zhi)冷(leng)(leng)和(he)制(zhi)(zhi)(zhi)熱(re)功(gong)能,而且常常具備外部溫度(du)(du)感應控(kong)制(zhi)(zhi)(zhi)和(he)自動切換功(gong)能,能夠充分滿(man)足季節性的溫度(du)(du)變化需求。一般(ban)使(shi)用在大型商業場所(如(ru)寫字樓、酒(jiu)店、百貨等),四(si)管(guan)(guan)制(zhi)(zhi)(zhi)風(feng)機盤管(guan)(guan)可以根據不(bu)同房間的獨立需求分別控(kong)制(zhi)(zhi)(zhi)溫度(du)(du),能夠有(you)效解決整(zheng)個空(kong)調系統因為(wei)季節變更而出現的能耗問題(ti),但成本高。
二、風機盤管二管制和四管制的區別
二管制和四管制風機盤管的最大區別在于供回水管路的數量。對于只需要單一功能、或面積較小的場所來說,二管制的造價便宜、安裝方便的優點易于突顯,但在實際中大型商業綜合體或高流量公共場所使用四管制的風機盤管的靈活性和有效性還是明(ming)顯比較突(tu)出的。