確認工(gong)(gong)業冷(leng)水機(ji)供電正(zheng)(zheng)常(chang)(chang)，無(wu)(wu)反相(xiang)、缺相(xiang)現(xian)象;冷(leng)卻(que)塔風機(ji)、冷(leng)卻(que)水泵、冷(leng)凍水泵均為獨立(li)控制。開機(ji)前應確認電源正(zheng)(zheng)常(chang)(chang)，無(wu)(wu)反相(xiang)、缺相(xiang)現(xian)象。檢查工(gong)(gong)業冷(leng)水機(ji)主機(ji)、水泵、閥(fa)門、儀表(biao)及(ji)各種(zhong)附件是(shi)否能夠打開，是(shi)否完(wan)好。檢查工(gong)(gong)業冷(leng)水機(ji)組油位是(shi)否正(zheng)(zheng)常(chang)(chang)(應在下鏡中(zhong)心線以(yi)上，上鏡中(zhong)心線以(yi)下)

   開機前12小(xiao)時(shi)接通冷(leng)(leng)水(shui)(shui)機組電(dian)(dian)源(yuan)，使油加(jia)熱器順利(li)電(dian)(dian)加(jia)熱;啟動(dong)冷(leng)(leng)水(shui)(shui)機前，先(xian)對冷(leng)(leng)凍水(shui)(shui)循環系統和(he)冷(leng)(leng)卻水(shui)(shui)循環系統進行調試;檢(jian)查制冷(leng)(leng)系統壓力表讀數是否等于制冷(leng)(leng)劑(ji)在當地環境溫度下(xia)的飽(bao)和(he)壓力值;檢(jian)查壓縮機電(dian)(dian)機絕緣電(dian)(dian)阻(zu)，絕緣電(dian)(dian)阻(zu)應在3兆歐(ou)以上。