(2) Tune up Main Floor : System is fully functional. All components are operating within design tolerances. Refrigerant pressures and temperatures are appropriate for indoor and outdoor condition. 18* temp split across evap coil Upstairs : System has multiple problems. System has an indoor evaporator temp of 24*. Superheat is 50+*. The evaporator is not receiving the proper amount of refrigerant. This is caused by low refrigerant levels or a restriction. Unable to verify which until refrigerant is added. System is drawing 10 amps with a RLA of 13A. Capacitor is measuring 34.6 out of 45 micro-farads and is out of manufacturers to,erances. System is an R22 system.