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ETE - Extreme Temperature System

Epta high pressure parallel compression ETE provides high reliability for transcritical systems in hot ambient conditions with no limit in external temperatures. It includes a subcooling unit in the refrigeration circuit and no additional systems like water spray, external subcooling or adiabatic gascoolers are needed any more.

The system offers high energy efficiency compared to standard technical solutions (parallel compression) in the market and uses only standard components to promise a fast and reliable service.

ETE requires no LT applications or any other additional functions. It can be used in all retail applications and even in light industrial applications.

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The gascooler outlet temperature is always higher than the ambient temperature. Hot gascooling outlet temperatures reduce the cooling capacity of transcritical systems. This can lead to temperature problems in cabinets or coldrooms.

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A part of the main massflow is expanded in an expansion valve, which reduces the pressure and cools the refrigerant.

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In a plate heat exchanger, the expanded refrigerant is evaporating and cooling down the main massflow.

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A dedicated parallel compressor, working on a very high suction pressure (~50bar), is handling the massflow which comes from the heat exchanger.

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