HC Charge Limit

Outcome uncertain on vote for HC charge-limit increase

The charge limit for A3 (flammable) refrigerants like propane in commercial refrigeration, which an International Electrotechnical Commission (IEC) subcommittee proposed to increase from 150 g per circuit to 500 g, is now subject to a vote that will determine whether the higher charge is ultimately enacted as an international standard.  During a meeting last October…

Read more