Abstract
Air Conditioning Split or AC Split is one of the air conditioning system that works by using a vapor compression system. The vapor compression system is one of the most cycles used for mechanical refrigeration systems, while the vapor refrigerant will be compressed by the compressor as the main component in addition to other components such as condensers, expansion valves and evaporators. This research focuses on AC Split Coefficient of Performance (COP) with Comparison of Refrigerants R410a and R32 with variations speed based on the Evaporator Fan speed. This analysis method uses two AC Split each capacity is 1PK with two different of refrigerants R32 and R410a, as well as varying in Low, Medium and High-level speed with air flow velocity in each mode respectively 1.2 m/s, 1.5 m/s and 1.9 m/s. From the result that COP on R410a refrigerant is 8.13 and COP on R32 refrigerant is 5.3. And also, the efficiency of R410a is 72.8% and R32 is 70.67%. So, AC Split with refrigerant R410a has better COP compared with AC Split with refrigerant R32. Keywords: COP, AC Split, Refrigerants, R410a, R32, Efficiency
Highlights
Air Conditioning (AC) adalah proses menghilangkan panas dan kelembaban dari interior ruang yang ditempati, untuk meningkatkan kenyamanan penghuni
Air Conditioning Split or AC Split is one of the air conditioning system that works by using a vapor compression system
The vapor compression system is one of the most cycles used for mechanical refrigeration systems, while the vapor refrigerant will be compressed by the compressor as the main component in addition to other components such as condensers, expansion valves and evaporators
Summary
Air Conditioning (AC) adalah proses menghilangkan panas dan kelembaban dari interior ruang yang ditempati, untuk meningkatkan kenyamanan penghuni. Dengan turunnya tekanan otomatis temperature yang tadi sudah turun oleh kondensor kemudian akan bertambah turun lagi di katup ekspansi sehingga refrigeran yang keluar dari katup ekspansi akan memiliki temperature dan tekann yang rendah dan berfasa cair yang selanjutnya dialirkan ke evaporator yang biasanya disebut indoor unit pada AC Split. Pengunaan refrigeran R-32 dan R404a pada AC split tentunya akan berbeda dibandingkan dengan R-22 sehingga akan meningkatkan temperatur pada suction line dan temperatur disharge line lebih rendah, pada kondisi lain kerja kompresi semakin kecil akibatnya efisiensi atau COP (Coefficienct of Performance) akan meningkat dan berdampak pada pemakaian energi yang digunakan pada mesin pengkondisian udara tersebut.
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