On Wed, 21 Jul 2004 20:48:02 GMT, (Jim Haynes)
wrote:

A friend has a house with an old air conditioner that works OK except that
it is low on refrigerant. The refrigerant is C-7, which we think is
a.k.a. Carreen-7. He can't find anybody who has ever heard of that
stuff, or at least who knows what they replace it with, or if there
is any suitable replacement. Any hints?

I've never heard of it either - ask your questions here and you should
getsome good solid answers:

http://hvac-talk.com/vbb/

Are you sure that you are reading the data plate correctly?



John Davies TLCA 14732
http://home.comcast.net/~johnedavies/
'96 Lexus LX450
'00 Audi A4 1.8T quattro
Spokane WA USA