檢查(cha)空調(diao)主機制冷劑的高低(di)壓是(shi)否(fou)(fou)(fou)正(zheng)常;檢查(cha)壓縮(suo)機的聲音(yin)是(shi)否(fou)(fou)(fou)正(zheng)常;(5)檢查(cha)壓縮(suo)機工作電(dian)壓是(shi)否(fou)(fou)(fou)正(zheng)常;檢查(cha)空調(diao)主機相(xiang)序(xu)保(bao)護器(qi)是(shi)否(fou)(fou)(fou)正(zheng)常，是(shi)否(fou)(fou)(fou)缺相(xiang);電(dian)阻值是(shi)否(fou)(fou)(fou)正(zheng)常;(12)檢查(cha)空調(diao)主機空氣開關，接觸器(qi)和熱保(bao)護器(qi)是(shi)否(fou)(fou)(fou)良好。

中(zhong)(zhong)央空調水(shui)系統(tong)的檢(jian)查(cha)：(1)檢(jian)查(cha)冷(leng)卻和冷(leng)凍(dong)水(shui)的水(shui)質(zhi)，是(shi)(shi)否(fou)更換水(shui);(2)檢(jian)查(cha)冷(leng)卻和冷(leng)凍(dong)水(shui)系統(tong)中(zhong)(zhong)過濾器(qi)上(shang)的雜質(zhi)，并清洗過濾器(qi);(3)檢(jian)查(cha)水(shui)系統(tong)中(zhong)(zhong)是(shi)(shi)否(fou)有空氣，是(shi)(shi)否(fou)排氣;(4)檢(jian)查(cha)回(hui)水(shui)和出(chu)水(shui)溫度(du)是(shi)(shi)否(fou)正常(chang)(chang);(5)檢(jian)查(cha)泵的聲音(yin)和電流是(shi)(shi)否(fou)正常(chang)(chang);滲(shen)漏等現(xian)象;(7)檢(jian)查(cha)保(bao)溫系統(tong)有無開裂、損壞(huai)、滲(shen)漏等現(xian)象。