確(que)認(ren)工(gong)業(ye)冷(leng)(leng)(leng)水機(ji)供電(dian)正常，無(wu)反(fan)相(xiang)(xiang)、缺相(xiang)(xiang)現象;冷(leng)(leng)(leng)卻塔(ta)風機(ji)、冷(leng)(leng)(leng)卻水泵、冷(leng)(leng)(leng)凍水泵均為獨立控制。開(kai)機(ji)前應(ying)(ying)確(que)認(ren)電(dian)源正常，無(wu)反(fan)相(xiang)(xiang)、缺相(xiang)(xiang)現象。檢查(cha)工(gong)業(ye)冷(leng)(leng)(leng)水機(ji)主機(ji)、水泵、閥(fa)門、儀(yi)表及各種附件(jian)是(shi)否能夠打開(kai)，是(shi)否完(wan)好。檢查(cha)工(gong)業(ye)冷(leng)(leng)(leng)水機(ji)組油位是(shi)否正常(應(ying)(ying)在下鏡中(zhong)心(xin)線(xian)以(yi)上(shang)，上(shang)鏡中(zhong)心(xin)線(xian)以(yi)下)

   開機(ji)(ji)前(qian)12小時接通冷水(shui)機(ji)(ji)組電(dian)(dian)(dian)源(yuan)，使油加熱(re)器順利電(dian)(dian)(dian)加熱(re);啟動(dong)冷水(shui)機(ji)(ji)前(qian)，先對冷凍水(shui)循環(huan)系(xi)統(tong)和冷卻水(shui)循環(huan)系(xi)統(tong)進行調試(shi);檢查制冷系(xi)統(tong)壓力表讀數是否等于制冷劑(ji)在(zai)當地環(huan)境(jing)溫度下的飽(bao)和壓力值;檢查壓縮機(ji)(ji)電(dian)(dian)(dian)機(ji)(ji)絕(jue)緣(yuan)電(dian)(dian)(dian)阻，絕(jue)緣(yuan)電(dian)(dian)(dian)阻應(ying)在(zai)3兆歐以上。