Akwai ɗimbin zaɓuɓɓukan firiji da ake samu na kasuwanci a kasuwa a yau, gami da gaurayawan firji da yawa, waɗanda ke da nufin yin kwafin tasirin tsoffin dawakan aiki kamar R22, wanda samar da shi ya kasance ba bisa ƙa'ida ba tun daga watan Janairu na wannan shekara. Shahararrun misalan firigeren da aka haɓaka a cikin shekaru 30 da suka gabata ko makamancin haka waɗanda ake amfani da su a masana'antar HVAC sune R-410A da R-407C. Ana amfani da waɗannan na'urori guda biyu don aikace-aikace iri ɗaya, amma suna da wasu bambance-bambance masu mahimmanci waɗanda ya kamata a fahimta kuma a yi la'akari da su yayin yanke shawara a tsakaninsu.
R-407C
Anyi ta hanyar haɗakar R-32, R-125, da R-134a, R-407C shine gauran zeotropic, ma'ana abubuwan da ke cikin sa suna tafasa a yanayin zafi daban-daban. Abubuwan da suka ƙunshi R-407C ana amfani da su don haɓaka halayen da ake so, tare da R-32 na ba da gudummawar ƙarfin zafi, R-125 yana ba da ƙananan flammability, da R-134a rage matsa lamba.
Ɗaya daga cikin fa'idodin amfani da R-407C a babban yanayi na yanayi shine cewa yana aiki da ƙarancin matsa lamba. Komawa ɗaya don lura, ko da yake, ita ce tazarar R-407C na 10°F. Saboda R-407C cakuda zeotropic ne, glide shine bambancin zafin jiki tsakanin abubuwan tafasar abubuwa uku. Duk da yake digiri goma bazai yi kama da yawa ba, yana iya samun tasiri na gaske akan wasu abubuwa na tsarin.
Wannan tafiye-tafiyen na iya yin mummunan tasiri ga aikin tsarin a cikin yanayin yanayi mai girma, saboda kusancin yanayin zafin jiki tsakanin maƙallan naɗaɗɗen firiji na ƙarshe da kuma iskar iska. Ƙara yawan zafin jiki ba zai zama zaɓi mai ban sha'awa ba, saboda iyakar fitarwa da aka yarda don kwampreso. Don rama wannan, wasu abubuwan da aka gyara kamar coils na condenser ko magoya bayan na'ura suna buƙatar girma, wanda ya zo tare da abubuwa da yawa, musamman a kusa da farashi.
R-410A
Kamar R407C, R-410A shine cakuda zeotropic, kuma an yi shi ta hanyar hada R-32 da R-125. A cikin yanayin R-410A, duk da haka, wannan bambanci tsakanin wuraren tafasa su biyu ba shi da kyau, kuma ana ɗaukar refrigerant kusa-azeotropic. Azeotropes gauraye ne tare da madaidaicin wurin tafasa, adadin waɗanda ba za a iya canza su ta hanyar distillation ba.
R-410A ya shahara sosai ga aikace-aikacen HVAC da yawa, kamar na'urori masu ɗaukar hoto. Duk da haka, a yanayin zafi mai girma, ƙarfin aiki na R-410A ya fi R-407C yawa, yana sa wasu suyi la'akari da wasu zaɓuɓɓuka don irin waɗannan aikace-aikacen. Yayin da R-410A ta aiki matsa lamba a babban yanayi yanayin zafi ne inarguably sama da na R-407C, a Super Radiator Coils, za mu iya samar da UL-jera mafita cewa amfani da R-410A har zuwa 700 PSIG, yin shi gaba daya. firiji mai lafiya da inganci don yanayin zafi.
R-410A ya shahara sosai don kwandishan wurin zama da kasuwanci a kasuwanni da yawa, gami da Amurka, Turai, da sassan Asiya. Tsoro game da babban matsi na aiki a yanayin zafi na yanayi zai iya bayyana dalilin da yasa R-410A ba ta da yawa a wurare kamar Gabas ta Tsakiya ko wurare masu zafi na duniya.
Lokacin aikawa: Fabrairu-03-2023