If no leak

来源: 2008-10-19 12:44:11 [博客] [旧帖] [给我悄悄话] 本文已被阅读:

The refrigirant should be there for life time. Once there is leak, then a) R-134a leak out; b) air leak in. Once air in the system, say 2% or more, you AC will be very inefficient.