SINGAPORE: Mitsubishi Heavy Industries has delivered two R1234ze(E) centrifugal chillers with a total cooling capacity of 8,400RT to Singapore’s Marina Bay district cooling facility.
The two chillers from its GART series will bring the total number of centrifugal chillers provided by MHI Group to the Marina Bay area to 18.
The GART-400PLS.SCF centrifugal chillers, each of 4,200RT cooling capacity, are the largest capacity of all units delivered to the Marina Bay district cooling system to date.
As well as using the extremely low GWP HFO refrigerant R1234ze(E), the chillers have a near 6% higher COP and approximately 10% higher integrated part load value than earlier models. This is effected by the adoption of a tandem operating configuration resulting in reduced energy consumption.
Marina Bay is Singapore’s central district for business and tourism and is part of the country’s plan for a sustainable live-work-play community. Designed, built and operated by SP Group, a leading utilities group and sustainable energy solutions provider in the Asia Pacific, the Marina Bay district cooling system is the world’s largest underground district cooling network.
The system produces chilled water centrally at two plants, which serves the air conditioning needs of over 20 buildings in the Marina Bay district.
Undergoing continuous expansion, the system will service a total of 28 buildings by 2026 and will reduce approximately 20,000 tonnes of carbon emissions per year.
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