Performed annual ac maintenance 16yr old Rheem split system. Gave unit a good bath cleaning the outdoor condenser coils. Tested parts ok. Contactor ok. Dual capacitor 55-5@53.1-5.1. Ok. All electrical connections good and tight at this time. Found a lot of moisture and spider webs inside electrical compartment. Cleaned up unit. Tested system refrigerant charge see pictures of refrigerant cooler day looks a little low but should be ok when it’s not 60 outside. Found thermostat not working correctly.