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指出常用空调系统循环水泵控制存在的弊端。采用专用温差控制器控制变频调速和LOGO控制两台泵变频泵互相切换,使循环水流量根据实际负荷大小随水泵转速而变化,从而达到节能的效果。
Pointed out that the common air-conditioning system circulating pump control drawbacks. Adopt special temperature difference controller to control frequency conversion speed regulation and LOGO control. The two pump frequency conversion pumps switch to each other, so that the circulating water flow changes according to the actual load size with the pump speed so as to achieve the energy saving effect.