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Tag: charge limit
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IEC reverses vote on flammable charge limit
The path to higher charge limits for flammable refrigerants looks to be open again, after the International Electrotechnical Commission (IEC) revised last month’s surprise no vote. At this stage it is not clear why or how the vote was reversed, although as the original count only failed by 0.7 per cent, it’s possible that a […]
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IEC rejects rise in flammable charge limit
The International Electrotechnical Commission (IEC) committee responsible for IEC Standard 60335-2-89 has narrowly voted down a draft international standard that would have raised the allowable charge of flammable refrigerants in certain appliances. The vote comes after a five-year effort to raise the charge limit of flammable refrigerants such as propane and isobutane in some commercial […]
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Charge limit increase imminent
The International Electrotechnical Commission (IEC) has taken the next step towards increasing the charge limit of A3 refrigerants in commercial refrigeration equipment. As reported earlier this year, the change would increase the limit on A3 (flammable) refrigerants such as propane in commercial refrigeration equipment from 150g to 500g. This would enable hydrocarbons to be used […]