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Normas DIN – AENOR
DIN EN 328:2012-10

DIN EN 328:2012-10

Heat exchangers - Test procedures for establishing the performance of forced convection unit air coolers for refrigeration; German version prEN 328:2012 / Note: Date of issue 2012-10-29

Echangeurs thermiques - Procédures d'essai pour la détermination de la performance des aérofrigorifères à convection forcée; Version allemande prEN 328:2012 / Attention: Date de parution 2012-10-29

Wärmeaustauscher - Prüfverfahren zur Bestimmung der Leistungskriterien von Ventilatorluftkühlern; Deutsche Fassung prEN 328:2012 / Achtung: Erscheinungsdatum 2012-10-29

Fecha Anulación:
2014-11 /Withdrawn
Equivalencias internacionales:

prEN 328 (2012-10)

Relación con otras normas DIN:

Reemplazada por: DIN EN 328:2014-11

Resumen:
This European Standard is applicable to non-ducted unit air coolers for refrigeration operating: a) with direct dry expansion of a refrigerant; b) with liquid overfeed by pump circulation of a refrigerant; c) with a liquid. This standard specifies uniform methods of performance assessment to test and ascertain the following: d) product identification; e) standard capacity; f) standard liquid pressure drop; g) standard refrigerant pressure drop (for operation with liquid overfeed by pump circulation only) ; h) nominal air flow rate; i) nominal fan power. It does not cover evaluation of conformity. It is not applicable to air coolers for duct mounting or with natural air convection. This standard does not cover technical safety aspects.
Keywords:
Air coolers, Air flow, Air temperatures, Catalogue of criteria, Circulation pumps, Cooling systems, Data of the manufacturer, Definitions, Efficiency, Gases, Heat exchangers, Liquid pumps, Marking, Mathematical calculations, Oils, Performance, Pressure drops, Refrigerants, Refrigerating capacity, Refrigeration, Specification (approval), Standard rating conditions, Testing, Ventilators
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