Central air conditioning system performance evaluation and retrofitting suggestions for a hotel in Guangzhou

According to the retrofitting requirements of the central air conditioning system in a hotel in Guangzhou, analyses the energy consumption and efficiency of the air conditioning units, finds some problems in the air conditioning system including serious equipment performance degradation, lacking of automatic control management, complex and confusing water transmission and distribution pipeline, unbalanced terminal hydraulic and excessive room humidity, and suggests relative energy efficiency retrofitting programs.