Refrigerant compressors - Rating conditions, tolerances and presentation of performance data
STANDARD published on 1.9.2025
Designation standards: ČSN EN 12900
Classification mark: 140614
Catalog number: 521835
Publication date standards: 1.9.2025
The number of pages: 24
Approximate weight : 72 g (0.16 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document specifies the rating conditions, tolerances and the method of presenting performance data of refrigerant compressors to enable comparison of different compressors.
This document is applicable to single-stage compressor and two-stage compressor data with or without an additional intermediate pressure inlet.
The performance data of compressors used with R-744 in transcritical operation are covered in this document.
The data relating to the refrigerating capacity, heating capacity and power absorbed include requirements for part-load operation where applicable