Qingdao Liuting Airport

The object of technology improvement is the central air-conditioning circulating water system. The air-conditioning room is located on the underground second floor and equipped with four 600RT centrifugal chillers, six 75kW refrigerant pumps, five 55kW refrigerant pumps and six 90kW cooling pumps. Two chillers are operated under the maximum load. After system optimization and adjustment, six high-efficiency pumps are used. According to the acceptance results, 600,000KWH power can be saved annually.