New line of high-performance NordVent chillers with screw compressors.

14.09.2016

NordVent Company presents an updated range of air-cooled chillers «PowerLine» of cooling capacity from 200 kW to 1600 kW.

The present series of chillers is characterized by high reliability and the possibility of smooth adjustment of cooling capacity due to  use of advanced technologies. The chiller uses environmentally friendly and energy-efficient Freon R134a (chlorine is not used in its manufacture). This refrigerant characterized by zero coefficient of the potential destruction of the ozone layer of the Earth.

Сhillers «PowerLine» now have a new option - the ability to install a screw compressor with inverter control upon the customer's request. These compressors have low power consumption, they do not have the starting currents, they allow precise adjustment of the cooling capacity and maintain the temperature of the cooling medium (water or water-glycol solution) at the outlet of the evaporator with an accuracy of ± 0.5 ° C. The dependence of the compressor cooling capacity to the load is actually linear, and in  half-load operation the efficiency of chiller with this compressor is almost 16% higher than with standard compressor.

Built-in heat exchanger of economizer provides high efficiency. The task of the economizer is cooling of the liquid refrigerant at the outlet of the condenser to increase the heat exchange efficiency in the evaporator, which in turn increases the overall efficiency of the chiller (efficiency factor COP), reducing power consumption of compressor by 10-12%. Economizer intended for evaporation of a portion of the refrigerant entering then back to the compressor for recompression. Thus the total compression ratio is increased. Such systems are in arsenal of a number of manufacturers, but the addition of economizer considerably increases the cost of their equipment. Our upgraded chiller PowerLine, staying at the previous size, with the heat exchangers of smaller area and reduced number of fans, has nearly the same price as a standard chiller of 600 kW capacity. And such systems are already mass-produced.

Chillers NordVent of Series «PowerLine» are available in two versions - without free cooling and with free cooling.

In addition, the chillers NordVent of “PowerLine” series can be used in industrial plants, which require low outgoing coolant temperature (up to -15C).

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