■用途
冬(dong)季隨(sui)著環(huan)境溫(wen)(wen)度(du)(du)(du)的降低(di),中(zhong)央(yang)空調(diao)的制熱(re)效(xiao)率也(ye)隨(sui)之降低(di),當環(huan)境溫(wen)(wen)度(du)(du)(du)與標準(zhun)(zhun)工(gong)況溫(wen)(wen)度(du)(du)(du)相差校大(標準(zhun)(zhun)工(gong)況室(shi)外溫(wen)(wen)度(du)(du)(du)為(wei)7℃)溫(wen)(wen)度(du)(du)(du)低(di)于4℃時,中(zhong)央(yang)空調(diao)將不(bu)(bu)能(neng)提供房間所需的溫(wen)(wen)度(du)(du)(du),為(wei)了補充不(bu)(bu)足的熱(re)量,就需要(yao)在(zai)原(yuan)有供熱(re)設備的基礎(chu)上增加輔助加熱(re)器。
■優點
熱效率高、安全性(xing)(xing)高、結構(gou)合理、防腐性(xing)(xing)強,使用壽命長等。