GB 50189-2015 第4.2.2条
| **** | The energy efficiency of the cooling and heating source units of the hotel building's air-conditioning system shall not be lower than the energy-saving evaluation value (i.e., Grade 2 energy efficiency) specified in the current national standard GB 19577 "Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Water Chillers." For example: water-cooled screw chillers (cooling capacity >1163 kW) COP ≥ 5.6; air-cooled scroll chillers (cooling capacity >50 kW) COP ≥ 3.2. |