Pull and clean entire blower system. While removed, clean blower compartment and secondary heat exchanger and perform inspection. Clean out combustion compartment of leaves and debris. Perform preventative maintenence inspection on 2015 Carrier AC system. System is running in good condition. 20x25x1 air filter is new today. Visual inspection of indoor coil. Flush drain pan and drain lines. Run test unit in cooling mode from thermostats for zone system. Test ran with each zone by themselves and both at the same time. All three running conditions are operating withing the delta T spec of 17-22F. Water flushed outdoor coils to remove dirt and debris. Refrigerant pressures are within spec. High 315psi with 9F SC, low 115psi with 11F SH. Outdoor fan motor and compressor are operating within specs. Point of condensation on ductwork in basement. Did not witness any condensation while on site today. Ductwork air temperature with clean filter is within specifications of unit operation guide
