確(que)認(ren)工業(ye)冷(leng)水(shui)機(ji)(ji)供電(dian)正(zheng)常(chang)，無反相、缺相現(xian)象;冷(leng)卻(que)塔(ta)風機(ji)(ji)、冷(leng)卻(que)水(shui)泵、冷(leng)凍水(shui)泵均為獨立控(kong)制。開機(ji)(ji)前應確(que)認(ren)電(dian)源正(zheng)常(chang)，無反相、缺相現(xian)象。檢(jian)(jian)查(cha)(cha)工業(ye)冷(leng)水(shui)機(ji)(ji)主機(ji)(ji)、水(shui)泵、閥門、儀表及各種配(pei)件是(shi)否能正(zheng)常(chang)打開，是(shi)否完好。檢(jian)(jian)查(cha)(cha)工業(ye)冷(leng)水(shui)機(ji)(ji)組油位是(shi)否正(zheng)常(chang)

   開機(ji)前(qian)(qian)12小時接通冷(leng)(leng)水機(ji)組電源，使油加熱器順利電加熱;啟動(dong)冷(leng)(leng)水機(ji)前(qian)(qian)，先(xian)對冷(leng)(leng)凍水循環(huan)系統(tong)和冷(leng)(leng)卻(que)水循環(huan)系統(tong)進行調(diao)試(shi);檢查(cha)制冷(leng)(leng)系統(tong)壓(ya)力表讀(du)數是否等于(yu)制冷(leng)(leng)劑在當(dang)地環(huan)境(jing)溫度下的飽和壓(ya)力值;檢查(cha)壓(ya)縮(suo)機(ji)電機(ji)絕緣電阻，絕緣電阻應在3兆歐以上。

   對工(gong)業冷(leng)水(shui)機(ji)組的回(hui)水(shui)溫(wen)度(du)(du)(du)(du)進(jin)行調節和設(she)定(ding)(ding)后，機(ji)組就可以按照設(she)定(ding)(ding)的溫(wen)度(du)(du)(du)(du)自(zi)動運行。一旦(dan)回(hui)凍水(shui)溫(wen)度(du)(du)(du)(du)達到設(she)定(ding)(ding)溫(wen)度(du)(du)(du)(du)，在擰(ning)緊時主(zhu)動停止制冷(leng)量調整，機(ji)組制冷(leng)量降低，直至停止。冷(leng)水(shui)機(ji)制造商推薦的冷(leng)凍水(shui)溫(wen)度(du)(du)(du)(du)范圍。分離蒸發器的冷(leng)凍水(shui)溫(wen)度(du)(du)(du)(du)允許為5℃，返回(hui)蒸發器的冷(leng)凍水(shui)溫(wen)度(du)(du)(du)(du)允許為25℃。建議冷(leng)凍水(shui)出(chu)口溫(wen)度(du)(du)(du)(du)為7-12℃，溫(wen)升5℃