Trane AC cooling maintenance Changed filter (Honeywell popup 20x25) Blower is clean Drain is clear Condensate pump operating properly Closed humidifier bypass damper Run tested AC: 18 degree drop Capacitor 42/7.77 actual measurement under load Rated 45/7.5 +/-10% Compressor amp draw 8.6 rated 16.7 Fan motor 0.9A rated 0.93 Refrigerant charge out of specification: Per unit data tag, system should have 12⁰ +/-3 of subcooling Actual subcooling was 3⁰ after 15 minutes of run time Got authorization for topping off refrigerant Added 1lb of R410a Subcooling is now 13⁰ No obvious signs of refrigerant leaks We will compare the readings next year to see if there is any deviation. Washed Condenser coil System is operating within factory specifications at this time.