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Data center cooling is optimized with SWEP brazed plate heat exchangers

This customer has been committed to the development of precision environmental control technologies applied in large-scale data centers and other business-critical areas.

Meet the demanding needs of the data-center industry

The customer was looking to optimize their precision air conditioning systems to meet the demanding needs of the data-center industry. They also wanted to remove the risk of glycol leakage so that manpower and maintenance costs can be saved.

(2) SWEP B427 models were used in this project. Ethylene glycol is used to facilitate the heat exchange within the brazed plate heat exchanger, which can facilitate heat exchange again for the air handling unit by using water. This process can help eliminate the risk of glycol leakage, thereby reducing the cost of service and support.

The customer produced five sets of air conditioners for this project. Four sets are in constantly in use and one set is placed in standby mode and is activated when needed. The performance of the SWEP brazed plate heat exchangers is stable and has the correct flow rate for the data center air conditioning needs. With this solution, the risk of glycol leakage can be reduced or totally eliminated – and maintenance costs can be significantly reduced.

The cooling capacity in this project is 450 kw. Outlet water temperature is 14°C - 19°C. Two B427 models are connected in series.

FACTS

Why Ethylene glycol?

A precision air conditioning unit uses Ethylene glycol as a secondary refrigerant to transfer the cooling capacity to an air handling unit. This set-up requires the user to check the concentration of Ethylene glycol on a regular basis to reduce environmental pollution and damage caused by glycol leakage. When the risk of glycol leakage rises, manpower and maintenance costs will also rise which is unacceptable for some customers.

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