Pengaruh Tata Letak Outdoor Unit Terhadap Kinerja Kompresor Pada AC Split

Ar-Razi, Adam Fakhrirudin (2026) Pengaruh Tata Letak Outdoor Unit Terhadap Kinerja Kompresor Pada AC Split. Sarjana (S1) thesis, Universitas Islam 45.

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Abstract

Indoor thermal comfort is an important requirement in tropical climates such as Indonesia, so the use of Air Conditioners (AC) is very common. The placement of the outdoor unit of the AC is often overlooked in installations due to space limitations or aesthetic considerations, even though the position of the outdoor unit greatly affects the performance of the cooling system. This study aims to analyze the effect of the outdoor unit layout on compressor temperature and electrical power consumption in split ACs, as well as to determine the most optimal position of the outdoor unit. The research method was carried out experimentally using a ½ PK split AC with R32 refrigerant. Tests were carried out in two position variations: an outdoor unit without air resistance (free air) and an outdoor unit with air resistance in the form of a wall 2 meters away. Each test was carried out for 1 hour by measuring the refrigerant pressure using a pressure gauge, compressor temperature using a thermo gun, and electric current using an ampere clamp. The results showed that the layout of the outdoor unit significantly affected the performance of the AC. In the position without air resistance, the compressor temperature was recorded at 58.3°C with an electric current of 1.54 A and an electric power of 338.8 Watts. Meanwhile, in the position with air resistance, the compressor temperature increased to 61°C with an electric current of 1.72 A and an electric power of 378.4 Watts. The increase in temperature by 2.7°C and electric power of 39.6 Watts (11.7%) indicates that the air circulation resistance causes the compressor to work harder because the heat is trapped and cannot be released optimally. The most optimal layout of the outdoor unit is a position without air resistance with free circulation, which results in better energy efficiency, lower compressor temperature, and more economical electricity consumption of 338.8 Watts.

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