ASHRAE已发布Standard 15.2-2022的拟议附录E，该附录将提高室外热泵和空调中可燃制冷剂的充注量限值。
【英文原文】
原标题：EIA Supports ASHRAE Proposal for Propane Charge
ASHRAE has issued Proposed Addendum E to Standard 15.2-2022, which would raise the charge limit for flammable refrigerants in outdoor heat pumps and air-conditioning.
