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Comparative Analysis of Air Conditioning Performance with 0.5 PK Capacity Using Environmentally Friendly Refrigerants


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DOI: https://doi.org/10.15866/ireme.v16i12.23201

Abstract


In accordance with the Montreal Protocol, R22 will be completely banned from its use from January 1, 2030. Research looking for alternative refrigerants replacing R22 has experienced a significant increase. One of the replacement refrigerants that have gradually expanded their use are hydrocarbon refrigerants, few of which are R32, R290, and R410a. However, there are no experiments using the same test equipment for use on R32, R410a and R290 refrigerants. In addition, a more detailed study comparing the respective those refrigerants has not been found. This study aims on knowing the performance of machines that use R32, R290, and R410a refrigerants. This research uses 0.5 PK air conditioner. This research has begun with the preparation of tools and materials. Preparatory steps include assembly and setting up test installations, vacuuming, refrigerant filling and leak tests. The testing and the data retrieval steps are carried out after the system operates for about 30 minutes, i.e. until the system is working normally. Data collection is carried out with the change parameter or replacing the refrigerant. After obtaining data, analysis on Coefficient of Performance (COP), electricity costs, and economical refrigerant needs is carried out. The results have shown that the COP of R32 had the highest value from the 1-hour test, which has been 49.1. The most economical electricity cost is assumed to live for 24 hours in 1 month, namely in R32 refrigerant with a total amount of $12.46. The most economical refrigerant capacity operational cost is R290 refrigerant with a total amount of $9.01.
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Keywords


Refrigerant; Coefficient of Performance; Economical; Environmentally Friendly

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References


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