TS EN 255-1
Air conditioners, liquid chilling packages and heat pumps with electricaly driven compressors- Heating mode-Part 1: Terms, definitions and designations
This part of EN 255 specifies the terms and definitions for the rating and performance of air and water cooled air conditioners liquid chilling packages air/air, water/air, air/water and water/water heat pumps with electrically driven compressors as well as the proporties of the units when used in heating mode.
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About This Item
TS EN 255-1 is a terminology standard for electrically driven compressor-type air conditioners, liquid chilling packages and heat pumps, focused on the terms, definitions and designations used when these units operate in heating mode. It establishes a common technical language for rating and performance descriptions so that heating operation can be discussed consistently across related HVAC equipment.
A common vocabulary for heating-mode performance
The standard addresses the concepts used for systems driven by an electric compressor in heating service. The air/air, water/air, air/water and water/water designations describe the source and sink media for heat transfer, which is essential to understanding how a unit is applied and how its performance is interpreted in practice.
In general technical terms, heat pumps and reversible air-conditioning systems use the same basic vapour-compression cycle, while the operating direction determines whether the installation is delivering heating or cooling. Liquid chilling packages are usually associated with chilled-water supply in larger systems, but they are included here as part of the related equipment family when considered for heating-mode terminology. The purpose of this kind of standard is to keep names, definitions and designations aligned across manufacturers and applications.
This listing concerns the heating-mode terminology part of the standard rather than a full design or test specification. Its value lies in clarifying the language used for rating, performance description and equipment classification within the scope stated for the document.
- Publication Date: 13.04.1999
- Standard Status: H (İptal Edilmiş Standard/Withdrawn standard)
- Publisher: TSE
- Document Language: tr
- ICS Classification: 01.040.27 Enerji ve Isı Transfer Mühendisliği (Terimler); 27.080 Isı Pompaları; 27.200 Soğutma Teknolojisi
- Pages: 7
- Source Standard: EN 255-1:1997
- International Equivalents: EN 255-1--; EN 255-1--
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