Was ist R449A?
Bei R449A und R452A handelt es sich um Gemische aus gewöhnlichen Fluorkohlenwasserstoffen (FKW) und dem neuen Hydrofluoroolefin-Molekül 1234yf (HFO).
Warum R22 verboten?
Dazu zählt insbesondere das Kältemittel R22 und alle Gemische in denen der Stoff enthalten ist! Grund für das Verbot ist die schädigende Wirkung für die Ozonschicht. Das heißt, es dürfen keine Eingriffe in den Kältemittelkreislauf vorgenommen und vor allem kein R22 mehr nachgefüllt werden.
Was ist der GWP wert?
Was der GWP-Wert aussagt GWP ist die Abkürzung für „Global Warming Potential“, steht also für das Erderwärmungs- bzw. Treibhauspotenzial einer Substanz.
What kind of refrigerant is Freon 404a made of?
Freon™ 404A (R-404A) is a blended hydrofluorocarbon (HFC) refrigerant comprised of R-125, R-134a, and R-143a. It was designed to replace R-502 and R-22 used in commercial refrigerator equipment for low and medium temperature ranges. Its properties make it ideal for use in display cases, refrigerated vehicles, ice makers, and other applications.
Which is better R-404A or R-502?
Freon™ Refrigerants 5 Freon™ 404A (R-404A) offers the best overall properties when compared with R-502. Capacity and efficiency values should be equivalent to R-502, and compressor discharge temperatures may be up to 9 °C (14 °F) lower than R-502, which may equate to longer compressor life and better lubricant stability.
Which is the best Freon refrigerant to use?
Freon™ 404A is a nonflammable, low toxicity refrigerant that carries an ASHRAE A1 safety classification and offers similar properties to the refrigerant it replaces. It has zero ozone depletion potential (ODP) and a global warming potential (GWP) of 3920. Freon™ 404A offers the best overall properties when compared to R-502.
What kind of lubricants can be used with Freon?
Mineral oils, alkylbenzene, mixtures of mineral oil/ alkylbenzene and polyol esters (POE) are all possible candidates for use with Freon™ HP80 and HP81; POEs are proposed lubricants for use with Freon™ 404A (R-404A). The method followed was generally the same as ASHRAE 97 with several minor modifications.