We have the Reflection 303 model and have had problems with the A/c from day one. We just don't know why it is doing this...

When we have the main A/C vent closed so the air goes through the central air ducts throughout the camper, water stops dripping off the camper outside and starts dripping in the camper through the main vent on the A/C. If we open the main vent back up the water stops dripping inside and starts running off camper outside like its suppose to.