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Regulations FAQ: What is the charge limit of Propane for split systems?


According to the international standard IEC 60335-2-89, 500 grams is the maximum charge allowed in commercial appliances containing propane, as the LFL of propane is 0.038 kg/m3.


However, split systems, which are appliances with a remote refrigeration unit or compressor, are the exception and have a charge limit of 150 grams.


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