Supply air is on the left,return air right with low voltage RV t stat,
4"return duct runs across bottom of blanket storage.
Side view of unit hooked up and running
Duct openings are supply on top return on bottom black outlet in between is low voltage connection.
1"id square tube welded to frame.
1" od square slides in to support ac unit.
Closed up and ready for travel.
A view of the unit outlets top is supply bottom center return air bottom right is outside air. In the cabinet i installed a 12 volt relay to control A C unit
wired fan to turn off with compressor, might install another relay later to allow fan to run alone. Oh by the way it works great, used last week.