Air conditioning machines , of a refrigerating effect not exceeding 4 Cal per hour ( incorporating a refrigerating unit but not incorporating a valve for reversal of the cooling/heat cycle ) 制冷量≤4千大卡/时的其他空调器(仅装有制冷装置,而无冷热循环装置的),
Other air conditioning machines, incorporating a refrigerating unit but not incorporating a valve for reversal of the cooling/heat cycle, of a refrigerating effect exceeding 1246 Cal (14W) per hour 其他制冷量>12046大卡/时(14000W)的其他空调(仅装有制冷装置,而无冷热循环装置的),