Heating maintenance on a 2009 Carrier heat pump system Replaced 16x25x1 filter Removed door panels Inspected indoor coil for dirt and signs of refrigerant leaks - No concerns Blower capacitor measuring within spec Auxiliary heat strips each pulling 18A No signs of wiring overheating for thr auxiliary heaters Temperature rise with auxiliary heat and heat pump running together 45⁰ Temperature rise for heat pump solo 22⁰ Vapor line temperature 145⁰ Opened fresh air damper Got on the roof Visual inspection of outdoor coil - no concerns No ice buildup Tested defrost function Inspected wiring - no concerns System is operating within manufacturer's specifications at this time
