Today I arrived on site and performed a summer tune-up on the system. Here's a summary of the work completed: **Filtration:** * Replaced the pleated 1" filter with a spare 20x20 filter provided by the customer. * Checked the new filter. **Electrical Components (Tested and Working):** * Verified proper operation and amperage of the blower motor, condenser fan motor, compressor run capacitor, fan run capacitor, compressor, blower run capacitor, compressor start capacitor, contactor, and electrical wiring. **Component Inspection (Good Condition):** * Confirmed the blower wheel, secondary drain pan, primary drain pan, and electrical wires are secured and in good working order. **Condensate Drain System:** * Cleaned out the primary and secondary drain pans. * Cleared the drain line and tested the safety switch. **Measurements:** * Recorded a return air temperature of 75.0 degrees Fahrenheit and a supply air temperature of 143.0 degrees Fahrenheit. **Additional Actio