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Peter_1
16-08-2009, 12:36 PM
http://www.r744.com/knowledge/faq/files/campbell_paper.pdf

chillman
16-08-2009, 02:28 PM
I just had a look at that paper, good stuff, CO2 is definitely the way forward. Though I've been wondering what changes are there to the components besides the compressor, being the pipe sizes/thicknesses, receivers, oil separators, fin-tube condenser tube thickness? Surely there must be changes to the system in terms of pipes and heat exchangers?!

superswill
16-08-2009, 10:17 PM
good share thank peter,not my field but iam sure it wont be long before we see C02 VRF's

wingover
06-11-2009, 11:21 PM
I am not sure about the pipe but the fittings that I saw came from NDL. They have CO2 fittings.



I just had a look at that paper, good stuff, CO2 is definitely the way forward. Though I've been wondering what changes are there to the components besides the compressor, being the pipe sizes/thicknesses, receivers, oil separators, fin-tube condenser tube thickness? Surely there must be changes to the system in terms of pipes and heat exchangers?!

desA
07-11-2009, 02:10 AM
Thanks, Peter. Excellent paper.

smpsmp45
07-11-2009, 04:24 AM
Excellent paper. Thanks Peter

amitsaxena
10-11-2009, 06:50 AM
Good Paper. Thanks Peter

bill1983
05-01-2010, 07:03 PM
great peter good paper
thanks

Colin G
05-01-2010, 07:25 PM
carrel stepper valves arrrgghhh!

i do like co2 more exciting than plain old r404a :D