The Effect of Refrigerant Charge on the Performance of a Split-Unit Type Air Conditioner Using R22 RefrigerantMohd Hazwan Yusof, Sulaiman Mohd Muslim, Muhammad Fadhli Suhaimi, Hassan Ibrahim, Azizuddin Abdul Aziz and Mohamad Firdaus BasrawiMATEC Web Conf., 225 (2018) 02011DOI: https://doi.org/10.1051/matecconf/201822502011