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IIR document
Low charge ammonia air-cooled chillers with microchannel condenser.
Author(s) : ALOISIO F., DEL GOBBO G.
Summary
This paper shows a case of study for the methods and solution to reduce ammonia charge in an air cooled chiller for air-conditioning application (water 11°C/6°C) till 900 kW of cooling capacity, having at the same time high efficiency, for air ambient condition from -20 to +45°C. Aluminium microchannel condenser and flooded evaporator are used to achieve this result. To optimize the performance in part-load condition, screw and reciprocating compressors used have variable speed control while fans for condensation are operated by permanent magnets motors equipped with VFD.
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Details
- Original title: Low charge ammonia air-cooled chillers with microchannel condenser.
- Record ID : 30002825
- Languages: English
- Source: 4th Conference on Ammonia Refrigeration Technology. Proceedings: Ohrid, North Macedonia, April 14-16, 2011.
- Publication date: 2011/04/14
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