Energy Savings In a Multi-Circuit Water-Cooled Packaged Unit Air-Conditioning System

Authors

  • Hayati Abdullah School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Oleolo Ibrahim School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Mohammad Nazri Mohd Jaafar School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Maziah Mohamad School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Akmal Baharain School of Mechanical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia
  • Sapiah Sulaiman Smart Digital Community Research Alliance Universiti Teknologi Malaysia, 81310 UTM Johor Bahru, Johor, Malaysia

DOI:

https://doi.org/10.37934/arfmts.76.1.3953

Keywords:

Multi-Circuit, Water-Cooled Packaged Unit, Energy Savings

Abstract

Air-conditioning systems accounts for the highest portion of energy consumption in buildings, either commercial or residential. Thus, there is a need for energy savings while ensuring internal thermal comfort. The compressor utilizes about 90% of the energy being consumed by the air-conditioning system. Common practice in energy savings for air-conditioning systems includes the application of variable frequency drive of the compressor for capacity control. However, literature on capacity control for operational centralized multi-circuit systems are scarce. This paper presents a study on the application of a thermal control system known as the Advanced Thermal Control System or ATCS utilizing variable frequency drive technology on an installed and operational multi-circuit centralized water-cooled packaged unit air-conditioning system at an administration block in Universiti Teknologi Malaysia. The result shows energy savings of up to 33.0 % when compared to the baseline operation of the existing system.

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Published

2020-10-25

How to Cite

Abdullah, H., Ibrahim, O., Mohd Jaafar, M. N., Mohamad, M., Baharain, A., & Sulaiman, S. (2020). Energy Savings In a Multi-Circuit Water-Cooled Packaged Unit Air-Conditioning System. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 76(1), 39–53. https://doi.org/10.37934/arfmts.76.1.3953

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