Experimental Evaluation Of Multifunctional Variable Refrigerant Flow (VRF) System In An Application Laboratory

Koh, Jian Yang (2017) Experimental Evaluation Of Multifunctional Variable Refrigerant Flow (VRF) System In An Application Laboratory. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Experimental Evaluation Of Multifunctional Variable Refrigerant Flow (VRF) System In An Application Laboratory.pdf - Submitted Version Download (717kB)

Abstract

Variable refrigerant flow (VRF) system is a multi-split system contains at least one variable speed compressor. It becomes popular in market because of its high energy efficiency and high flexibility in design. The introduce of VRF system is perfectly to fill the empty space between the large centralised chilled water system and split unit. It is most suitable to use in light and medium commercial building. The equipment used in this project is located at Applicational of HVAC laboratory and it is not fully utilized in term of cooling capacity and application. The objectives of this project are to determine the excessive cooling capacity by performance test, the effect of the excessive cooling capacity to its daily performance and the number of indoor unit that able to connect to the system. The excessive cooling capacity and the number of indoor unit that able to connect to the system are successfully determined. After the experiment, I found that the VRF working in excessive cooling capacity will give negative effect to its daily performance include the energy efficiency. The limitation of this project is the outdoor unit is placed inside the laboratory which will affect the performance of the VRF system and the test room is not fully insulated. Thus, the recommendation of this project is to reinstall the VRF system to fully utilized its function and cooling capacity.

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