PLC、变频器在中央空调冷冻泵、冷却泵控制系统改造中的应用

Application of PLC and Transducer in Control System Rebuilding for Central Air Conditioning Refrigeration Pump and Cooling Pump in Hotel

介绍了利用PLC、变频器改造宾馆中央空调冷冻泵、冷却泵控制系统,实现了技术升级、确保设备低耗运行,并提高了电气控制系统运行的可靠性.

This paper introduces the technology of rebuilding hotel central air conditioning refrigeration pump and cooling pump control system using PLC and transducer ,which realizes technology upgrade,ensures the equipment running in low cost,and improves the running reliability of electrical control system.