It is possible to do so, but you will not get the 13seer rating you are looking for.
No, the air handler won't push enough air to keep the coil from freezing up.
air handler (usually under the house or in the attic)and condensor (out in the yard)
You can't match an air handler to an air handler. I assume you meant a 3.5 Ton A/H to a 4 Ton condenser. The answer is no. If the A/H was 4 Ton & you had a 3.5 Ton condenser you could with an expansion valve setup. You should really match equipment when possible & I highly recommend using a qualified technician.
You can not do that. If it where the opposite it would work . But you will frezze up with this matchup.
If the coil in the air handler is 2.5 tons, yes. The system is mismatched and you may also experience compressor failures due to liquid refrigerant flooding back to the compressor due to the undersized evaporator coil.
Yes it should be fine. It wont be as efficient as it should be. But it should remove more humidity from the air.
Your air conditioning condensor is located in front of your radiator
Most central air-conditioners will have to be replaced, and should be replaced by a Heating and air conditioning service person, who is liscened to do this work. It is dangerous and it needs a professional to refill the condensor. If your not sure it is the condensor, a professional can monitor, the air fow and tell you for sure.
Inside unit that distrubute air threw a handler unit
Refrigerant is pumped by a compressor located in the out door section called the condensor to a evaporator coil as a liquid through a metering device.Your air handler or furnace blows air from your home across the evaporator where the liquid refrigerant expands into a gas and picks up the heat from the air across the coil.Then the gas is pumped to the condensor and is again condensed into a liquid through the means of cooling the gas usually by a fan pulling air across the coils of the outdoor unit.
trane air handler tonnage for model BWV760P100A1
There is not enough air moving across the condensor coil. You may have a inoperable fan, or the condensor could be pluged with debris. Check to see if the fan runs when the car is satationary, and rinse the condensor off with a hose.