The Central Chiller Control System/Chiller Plant Operation System (CPOS) is an intelligent solution devised by CET Electric Technology Inc., tailored to the specific management needs of data center HVAC environments. This solution leverages a PLC controller and CET's proprietary CPOS chiller control system platform, distinguished by its high energy efficiency, reliability, and intelligence. It affords management personnel an enhanced data operation experience, facilitating timely equipment operations and maintenance based on real-time data feedback, effectively boosting the control and energy efficiency of the HVAC system.