確認工(gong)(gong)業冷(leng)水(shui)(shui)機(ji)(ji)供電(dian)正常，無反相、缺相現象(xiang);冷(leng)卻塔風(feng)機(ji)(ji)、冷(leng)卻水(shui)(shui)泵、冷(leng)凍水(shui)(shui)泵均為獨(du)立(li)控制。開機(ji)(ji)前應(ying)確認電(dian)源(yuan)正常，無反相、缺相現象(xiang)。檢(jian)(jian)查工(gong)(gong)業冷(leng)水(shui)(shui)機(ji)(ji)主機(ji)(ji)、水(shui)(shui)泵、閥門(men)、儀表及各(ge)種附件是否(fou)能夠打開，是否(fou)完好。檢(jian)(jian)查工(gong)(gong)業冷(leng)水(shui)(shui)機(ji)(ji)組油位(wei)是否(fou)正常(應(ying)在下鏡中(zhong)心(xin)線(xian)以上(shang)，上(shang)鏡中(zhong)心(xin)線(xian)以下)

   開機前12小時(shi)接通冷(leng)水(shui)(shui)機組電(dian)源，使油加熱(re)器順利電(dian)加熱(re);啟動冷(leng)水(shui)(shui)機前，先(xian)對(dui)冷(leng)凍(dong)水(shui)(shui)循環系(xi)統和冷(leng)卻(que)水(shui)(shui)循環系(xi)統進行調試;檢(jian)(jian)查(cha)制(zhi)冷(leng)系(xi)統壓(ya)力表讀數是(shi)否(fou)等于制(zhi)冷(leng)劑在當地環境(jing)溫度下的飽和壓(ya)力值;檢(jian)(jian)查(cha)壓(ya)縮機電(dian)機絕緣(yuan)電(dian)阻(zu)，絕緣(yuan)電(dian)阻(zu)應在3兆歐以上(shang)。