Experimental study of performance AC split retrofitting R32 to R290

Nowadays, split air conditioners used by the public use refrigerants that are not yet environmentally friendly, one of which is refrigerant R32. The original R32 split air conditioner with a 1 PK cooling capacity was replaced with an refrigerant R290. This study aims to test the performance of refrigerant R290 compared to refrigerant R32. The mass of R290 that is charged to the split AC is 60% with an ambient temperature of 30°C at room temperatures of 23 C, 25 C, and 27 C. With another ambient temperature of 35°C at room temperatures of 25 C and 27 C. The power consumption of R290 is 35% decrease from that of R32. The cooling capacity of R290 has decreased by 33.15% from that of R32. For the COP value, R290 was a decrease 20.01% from R32. The results obtained show that the performance of the refrigerant R290 has not been maximized to replace refrigerant R32.