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RANCANG BANGUN KONTROL SISTEM REFRIGERASI MINI AIR COOLED CHILLER 0,5 PK MENGGUNAKAN REFRIGERAN R-404 BERBASIS PLC SCHNEIDER MODICON TM241CE24T

Ramadhan, Ilham Adi (2026) RANCANG BANGUN KONTROL SISTEM REFRIGERASI MINI AIR COOLED CHILLER 0,5 PK MENGGUNAKAN REFRIGERAN R-404 BERBASIS PLC SCHNEIDER MODICON TM241CE24T. Undergraduate thesis, Universitas Diponegoro.

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Abstract

Penelitian ini bertujuan merancang sistem kontrol refrigerasi pada Mini Air Cooled Chiller 0,5 PK menggunakan refrigeran R-404A berbasis PLC Schneider Modicon TM241CE24T. Sistem mengintegrasikan sensor suhu RTD PT100 dan sensor tekanan Wisner WPT-71G untuk monitoring real-time, serta menerapkan logika kontrol On/Off dengan histeresis untuk menjaga stabilitas kompresor. Hasil pengujian menunjukkan sistem instrumentasi memiliki akurasi tinggi dengan error rata-rata di bawah 0,3% setelah kalibrasi. Secara termodinamika, sistem mampu menurunkan suhu evaporator hingga -17°C dengan capaian Coefficient of Performance (COP) aktual sebesar 4,184 dan efisiensi 86,8% relatif terhadap siklus Carnot. Meskipun terdapat deviasi beberapa parameter dibandingkan perancangan teoritis akibat faktor ireversibilitas, integrasi PLC terbukti berhasil memberikan respons kontrol yang presisi dan stabil dalam menangani beban pendinginan.

Item Type: Thesis (Undergraduate)
Uncontrolled Keywords: Mini Air Cooled Chiller, PLC Schneider TM241CE24T, R-404A Refrigeran, COP
Subjects: Engineering > Electrical Engineering
Engineering
Divisions: School of Vocation > Diploma in Instrumentasi and Electronics
Depositing User: Oktavia Perpus Vokasi
Date Deposited: 02 Jan 2026 04:46
Last Modified: 02 Jan 2026 04:46
URI: https://eprints2.undip.ac.id/id/eprint/43283

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