First trip with our new Jayco, temperature outside 86 after 3 hours temperature inside 84. I think the air is not working. Sounds like the compressor is running and there is condensation coming off the roof.
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2014 321RLTS Eagle Premier
2013 3500 CC DMAX
Are you getting good air flow out of the unit? Is there possibly some packing material that might not have been removed blocking air flow? Do you have a way to measure the air temperature at the vent? It should about 20 degrees colder then the air drawn into the unit.