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Xringer · 06-06-16, 07:01 PM

This was the R410A size I ordered.. Still have a lot of left over..
Easy to Use R410a cylinder

My outdoor unit that the pin-hole, was exposed to air a long time..
I pumped in CO2, so I could braze the leak. Then, when I tested it,
it seemed to work okay.. (Compared to the new replacement unit).

I just vacuumed it and loaded it with R410a, without adding any oil..

I think there was still a lot of oil in the crankcase..
http://ecorenovator.org/forum/geothe...r-project.html
Then 4.5 years later, a power surge killed the main board..

06-06-16, 07:01 PM	#5
Xringer Lex Parsimoniae Join Date: Feb 2009 Location: Woburn, MA Posts: 4,918 Thanks: 114 Thanked 250 Times in 230 Posts	This was the R410A size I ordered.. Still have a lot of left over.. Easy to Use R410a cylinder My outdoor unit that the pin-hole, was exposed to air a long time.. I pumped in CO2, so I could braze the leak. Then, when I tested it, it seemed to work okay.. (Compared to the new replacement unit). I just vacuumed it and loaded it with R410a, without adding any oil.. I think there was still a lot of oil in the crankcase.. http://ecorenovator.org/forum/geothe...r-project.html Then 4.5 years later, a power surge killed the main board.. __________________ My hobby is installing & trying to repair mini-splits EPA 608 Type 1 Technician Certification ~ 5 lbs or less..