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LG Supplies Oil-free Centrifugal Chiller to a Chinese Department Store
2017/12/26
Recently, LG’s 1,000-ton magnetic bearing centrifugal chiller successively passed the verification of its customer, Jingdian Department Store in Fuzhou owned by the Grand Ocean Group.
 
LG’s magnetic bearing centrifugal chiller adopts a single compressor with a cooling capacity of 1,100 ton and R134a refrigerant. The chiller also adopts an advanced electrostatic discharge (ESD) inverter driving system and highly efficient impellers, realizing the world’s top class coefficient of performance (COP) 7.0 and an integrated part load value (IPLV) of 12.0. Meanwhile, the drip-type evaporator can increase heat ex-change efficiency by more than 4.8%, reducing the refrigerant charge by more than 9.1%.
 
During the verification process, performance tests were conducted under working conditions of 50% load, 75% load, and 100% load, respectively. Under special on-site temperature conditions in Fuzhou, additional performance tests were also carried out. The results far exceeded the customer’s expectations. In comparison with traditional centrifugal chillers, LG’s magnetic bearing centrifugal chiller can reduce operating costs by 38% at Jingdian Department Store.
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