1. leaky a-coil, before you change it out,
1. leaky a-coil, before you change it out, try a can of sealer first, may buy you a year for $120.
2. the simple answer is no.
3. your a-coil drain is plugged up.
4. you only have a 2ton? it is very small, rule of thumb is 1 ton / 500 sq ft.