It is a 2016 38 ft Thor Outlaw. Pretty sure the AC just needs charged. But don't see where to do the charge.
On my 2018 ACE32.1 both can be accessed through the front once the hood is raised. One port (high psi liquid) is tapped, see hand, into the condenser outflow line and the low (vapor) side port is up by the evaporator. The low pressure switch is also shown.