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GB 50019-2015 第9.2.5条 Code for Design of Heating, Ventilation and Air Conditioning of Industrial Buildings

Air conditioning暖通空调

GB 50019-2015 第9.2.5条

| **** | When water-cooled chillers are used, the cooling water system shall be provided with **cooling water circulating pumps**, preferably with variable-frequency control. Cooling tower selection shall take local meteorological conditions into account, and the cooling water supply/return temperature difference should not be less than **5℃**. |

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