9Air-Conditioning and Refrigeration Institute. ANSI/ ARI Standard 550/590-2003 (I-P) Performance rating of water-chilling packages using the vapor compression cycle[-S]. USA: Arlington, 2003.
10Air-Conditioning, Heating and Refrigeration Institute. ANSI/AHRI Standard 550/590-2011 (I-P) Performance rating of water-chilling and heat pump water-heating packages using the vapor compression cycle[S. USA: Arlington, 2011.