Hi Rick, welcome to JOF. We also have a X20E, it's a 2011 that we picked up a few months ago.
We have not had an occasion to use the AC yet, so I can't answer your question yet....just wanted to welcome you and your wife to the forum.
2013 Jayco JayFlight 26RKS
2013 Ford F150 Ecoboost FX4
2003 Coleman Bayside / 2011 Jayco Jayfeather X20E -- RIP
2012 Tacoma Sport DCSB / 2013 Tundra SR5 - RIP