Sistem refrigerasi sangat dibutuhkan disemua bidang, baik industri komersial maupun domestik. Gagasan untuk mencari sumber energi alternatif dimunculkan dengan dibuatnya sistem refrigerasi dengan menggunakan refrigeran sekunder, selain ramah lingkungan juga dapat menghemat energi. Percobaan dilakukan dengan membuat Sistem Refrigerasi dengan refrigeran sekunder dan menganalisanya sehingga diperoleh data yang sesuai dengan data rancangan. Hasil dari pengukuran dan pengolahan data diperoleh nilai Coefficient of Performance (COP) rata-rata adalah 3,8 saat beban kosong dan 4 saat beban penuh. Efisiensi saat beban kosong 78% dan saat beban penuh 80%. Kata kunci: uji performansi, kompresi uap, refrigeran sekunder

Refrigeration system is needed for all areas, both commercial and domestic industries. The idea to look for an alternative sources of energy generated by the refrigeration system made is using a secondary refrigerant, in addition to environmentally friendly and saving energy. The experiments were performed by making refrigeration system with secondary refrigerant and analyze it in order to obtain the data corresponding to the design data. The results of measurement and processing of data obtained is that the average Coefficient of Performance (COP) was 3.8 with product and 4 without product. Efficiency is 78% with product and 80% without product. Keywords: performance test, vapor compression, secondary refrigerant

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