REFRIGERANT CHARGING UNIT FOR THE RESIDENTIAL AIR CONDITIONERS: AN EXPERIMENT
Hong Son Le NGUYEN
Ho Chi Minh City University of Technology and Education (Viet Nam)
https://orcid.org/0009-0000-2885-0195
Minh Ha NGUYEN
University of Transport and Communications (Viet Nam)
https://orcid.org/0000-0001-9949-8862
Luan Nguyen THANH
luannt@hcmute.edu.vnHo Chi Minh City University of Technology and Education (Viet Nam)
https://orcid.org/0000-0002-0254-2730
Abstract
In the present work, an automatic R410A refrigerant charger for residential air conditioners is fabricated and tested. The charger operates on the throttling principle and uses the suction pressure of the compressor to estimate the refrigerant charge level. This helps to reduce the risk of compressor damage and ensures the correct composition ratio of R410A refrigerant when charged into the machine. The charging process is controlled by the LabVIEW platform, which provides adequate control and visualization of the charging process. The developed charger meets expectations in solving the technical problems encountered when charging R410A refrigerant for residential air conditioners. It is compact, portable and can be directly controlled through the LabVIEW interface, allowing real-time visualization of the charging process. The present work is expected to make a significant practical contribution, serving as a useful reference for the future manufacturing of compact portable equipment in the residential air conditioning field.
Keywords:
Refrigerant charging, Labview, R410A refrigerant, Residential air conditionersReferences
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Authors
Hong Son Le NGUYENHo Chi Minh City University of Technology and Education Viet Nam
https://orcid.org/0009-0000-2885-0195
Authors
Minh Ha NGUYENUniversity of Transport and Communications Viet Nam
https://orcid.org/0000-0001-9949-8862
Authors
Luan Nguyen THANHluannt@hcmute.edu.vn
Ho Chi Minh City University of Technology and Education Viet Nam
https://orcid.org/0000-0002-0254-2730
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