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Danfoss Drives - Page 5
Evaporator fan Reduced ice build-up and optimised evaporator temperature leads to lower energy consumption and higher system efficiency. The energy consumption is reduced by always matching capacity to the actual load. Condenser fan Optimal control leads to stabilised pressure in the condenser. This ensures better control of the pressure difference between evaporator and condenser and a better COP for the compressor. The control of airflow is matched to the actual need resulting in decreased audible noise and energy consumption. Compressor Variable speed control of a compressor offers the ability to match the cooling capacity to the actual need based on measurements in the refrigeration system. Costs are reduced both through energy savings when running at lower speed, but also through lower installation costs caused by optimisation of the refrigeration system and the compressor itself. Variable speed controlled also reduce the need for compressor packs because the individual compressor is adjusted to the actual need. The lifetime of the compressor is increased due to few starts and stops which cause mechanical wear and tear. 5