Weather King 12AJA4201AH Air Conditioner "trap ac drip pan" Questions

...trap on the drain pipe outside. By the way, our AC drain pipe comes out of our wall outside and drains near our outside unit. Our secondary drain pan drain pipe comes out outside from an eave on the ...

...AC, thecondensation drips off the cooling coils into a pan. From the pan, it is suppose to either go into a drain directly or into a sump, which in turn pumps it into a drain.  Dirt or mold ...

...ac unit condensates where it will not and con not be captured by the pan - built by relatives of the guy who designed the titanic - If there is not a trap in the drain line put on in this is causing ...