Thinking about installing a mini split system yourself? With pre-charged R-454B...

https://www.4shared.com/office/wB0H-3Xrjq/pdf-74784-38062.html

Thinking about installing a mini split system yourself? With pre-charged R-454B quick-connect linesets, you can skip the vacuum pump and the EPA Section 608 license hassle. The 9,000 and 12,000 BTU units plug into a standard 115V outlet