New R404A plant.

Installation neuve au R404A.

Author(s) : MARIOTON C.

Type of article: Article


R404A, suggested as a replacement for R502 in new plants, has thermodynamic properties that are slightly different from those of R502. A modelling comparison between the two fluids is described for a reference thermodynamic cycle. Use of components designed especially for R404A are advised for the installation. Use of R404A necessitates special precautions that are detailed; these have to do with compressors, lubrication, compatibility with materials, exchangers, refrigerant charge, assembly, sealing and security. Provided these precautions are taken, R404A is a good replacing fluid for R502. J.L.


  • Original title: Installation neuve au R404A.
  • Record ID : 1994-2811
  • Languages: French
  • Source: La revue pratique du froid et du conditionnement d'air - n. 786
  • Publication date: 1993/12
  • Document available for consultation in the library of the IIR headquarters only.


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