Arrived system cycled off. Found sitting water in return Plenum and one return duct. Customer approved repair to clean water up. Vacuumed water from returned Plenum, and one duct. No water dripping from drain pan or water overflowing drain pan. Found no in-line safety or wet switch. Dirty blower wheel. Bad blower capacitor. Has to returns only one has a filter install installed. Both 14 x 20 x 1. 16° temperature difference. Bad outdoor capacitor. Outdoor fan motor over amps. And pitted contactor. No label on outside unit. Exposed low-voltage wires at condenser. System is R 22. Unit operating best as it can. The bare minimum basic repairs to get the system running today.