根据新 IEC 60335-2-40 标准,空调系统在采取特定增强措施后,可使用高达 988g 的碳氢制冷剂 R290 充注量。
【英文原文】
原标题:Higher Hydrocarbon Charges Approved by IEC for ACs and Heat Pumps
As much as 988g charge of hydrocarbon R290 can be used in AC systems with certain enhancements, according to new IEC 60335-2-40 standard.




