用于通过经由所述泵使制冷剂循环经过所述制冷回路在所述自由冷却模式下选择性地操作所述制冷回路的控制器；
The controller selectively operates the system in the free-cooling mode by circulating the refrigerant through the refrigeration circuit via the pump.
用于通过经由所述泵使制冷剂循环经过所述制冷回路在所述自由冷却模式下选择性地操作所述制冷回路的控制器；
The controller selectively operates the system in the free-cooling mode by circulating the refrigerant through the refrigeration circuit via the pump.
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