1 冷卻水塔間接供冷係統：是指製冷機循環係統中冷卻水環路與冷凍水環路相互獨立，不相連接
，能量傳遞主要依靠中間換熱設備來進行。其*大優點是保證了冷凍水係統環路的完整性。保證環路的衛生條件，但由於其存在中間換熱損失
，使供冷效果有所下降。 在zai原yuan有you製zhi冷leng機ji水shui係xi統tong中zhong附fu加jia一yi台tai板ban式shi換huan熱re器qi。在zai冷leng卻que塔ta供gong冷leng時shi，關guan閉bi製zhi冷leng機ji組zu
，使shi冷leng卻que水shui與yu冷leng凍dong水shui分fen別bie接jie入ru板ban式shi換huan熱re器qi，實shi現xian其qi間jian能neng量liang傳chuan遞di。

2 冷卻水塔直接供冷係統：是shi指zhi在zai原yuan有you製zhi冷leng機ji水shui係xi統tong中zhong設she置zhi旁pang通tong管guan道dao，將jiang冷leng凍dong水shui環huan路lu與yu冷leng卻que水shui環huan路lu連lian接jie在zai一yi起qi的de係xi統tong。夏xia季ji按an常chang規gui製zhi冷leng機ji水shui係xi統tong運yun行xing，轉zhuan入ru冷leng卻que塔ta供gong冷leng時shi，將jiang製zhi冷leng機ji組zu關guan閉bi，通tong過guo閥fa門men打da開kai旁pang通tong，使shi冷leng卻que水shui直zhi接jie進jin入ru用yong戶hu末mo端duan。係xi統tong中zhong冷leng卻que塔ta開kai式shi閉bi式shi均jun可ke。采cai用yong開kai式shi冷leng卻que塔ta時shi，冷leng卻que水shui與yu外wai界jie空kong氣qi直zhi接jie接jie觸chu易yi被bei汙wu染ran
，汙wu物wu易yi隨sui冷leng卻que水shui進jin入ru室shi內nei空kong氣qi調tiao水shui管guan路lu，從cong而er管guan造zao成cheng盤pan管guan被bei汙wu物wu阻zu塞sai，故gu應ying用yong較jiao少shao。采cai用yong閉bi式shi冷leng卻que塔ta雖sui可ke滿man足zu衛wei生sheng要yao求qiu，便bian由you於yu其qi靠kao間jian接jie蒸zheng發fa冷leng卻que原yuan理li降jiang溫wen，傳chuan熱re效xiao果guo受shou到dao影ying響xiang，加jia上shang閉bi式shi冷leng卻que塔ta在zai國guo內nei應ying用yong較jiao少shao，故gu也ye很hen少shao采cai用yong。