Water dripping from New AC

Old-Biscuit wrote:
Not raining so condensation is source of dripping YES!

Could be Evap Coil Fins icing up then thawing NOPE
Which could be from dirty filter/dirty fins ---- A/C fan on Low speed
*Clean Evap Coil Fins, change air filter frequently, make sure fan is in AUTO

Could be Evap Coil drip tray drain holes obstructed MAYBE...he has yet to find them
Which could be from crud/mold partially plugging drain holes
Which could be from overtightening the hold down bolts, crushing roof gasket & A/C Pan is now too close to RV Roof obstructing the drip pain drains
*Access Evap Coil Drip Pan drain holes under roof shrouds (Main cover and evap coil section sealed cover) and clean them
**Check that roof gasket is not over-compressed (should be roughly 1/2" distance between A/C Pan and roof line -- replace gasket if crushed)

Could be Evap Drip Pan drain holes are just too small to handle the High Humidity --- condensation is accumulating faster then drain holes can remove THIS SOUNDS POSSIBLE.
While A/C is running the excess condensation is being sucked up by fan and blown into ducts --- then when fan stops a wave of condensation drips out
*When cleaning Evap Coil Drip Pan drain holes...enlarge them for higher flow thru them

We took the filter completely off and left it open. It is much better now without it on. He still needs to go up and find the drain holes to see what is up with that. Still a little water seeping out under the on dial over time but not the cascading water when we turned it off.
Thanks, old biscuit.
Donna

Not raining so condensation is source of dripping

Could be Evap Coil Fins icing up then thawing
Which could be from dirty filter/dirty fins ---- A/C fan on Low speed
*Clean Evap Coil Fins, change air filter frequently, make sure fan is in AUTO

Could be Evap Coil drip tray drain holes obstructed
Which could be from crud/mold partially plugging drain holes
Which could be from overtightening the hold down bolts, crushing roof gasket & A/C Pan is now too close to RV Roof obstructing the drip pain drains
*Access Evap Coil Drip Pan drain holes under roof shrouds (Main cover and evap coil section sealed cover) and clean them
**Check that roof gasket is not over-compressed (should be roughly 1/2" distance between A/C Pan and roof line -- replace gasket if crushed)

Could be Evap Drip Pan drain holes are just too small to handle the High Humidity --- condensation is accumulating faster then drain holes can remove
While A/C is running the excess condensation is being sucked up by fan and blown into ducts --- then when fan stops a wave of condensation drips out
*When cleaning Evap Coil Drip Pan drain holes...enlarge them for higher flow thru them

Have him check that there is good separation between the output side of the AC and the return side while the cover Is off. If not a whole lot of cold air may be going directly up the return. Not good.

Is he sure the gasket is making a good seal between the AC unit and the roof?

Make sure all the AC vents are fully open. Check the AC fins for ice just before AC shut down. If there is ice try raising the thermostat temo a few degrees.

He has removed the filter, cleaned it just now and we are trying it without to see what that does. It was not that dirty but maybe dirty enough....
Thank you for you reply.
Donna

It sounds like the fins are frosting up. People suggest running the fan on high speed and making sure the air filter is clean.