With the increase of years, the energy efficiency of equipment decreases year by year

The original system configuration, most or part are fixed frequency control, can not meet the requirements of energy saving.

The original BMS system has the function of monitoring, but it cannot realize the active control to the system.

The operator switch equipment based on the experience, it can’t automatically adjust the operation combination of the chiller according to the real-time end demand to achieve the purpose of energy saving.