Time to reach 500 microns - http://www.hvacmechanic.com/ Forums

Original message

Dale C Houser

71.126.155.116

"Time to reach 500 microns" , posted Sun 3 Aug 19:07

Hello all,

I just purchased a Robinair 4cfm vacuum pump and running it through some tests. Could anyone give me an idea about how long it should take the pump to reach 500 microns when evacuating a 3 ton residential a/c with no leaks.

Thanks,

Dale

Replies:

mississippi

67.142.130.47

"Re(1):Time to reach 500 microns" , posted Sun 3 Aug 19:44

I have a 5cfm 2 stage usaully takes around 20 minutes give or take.

Dale C Houser

71.126.155.116

"Re(2):Time to reach 500 microns" , posted Sun 3 Aug 19:53

Thanks Mississippi. That's very helpful.

Dale