Replace suction and liquid line sensors under warranty. I’ll start up compressor with sounding very rough on startup. Ran unit for 30 minutes. Refrigerant pressures were within manufacturer specifications. Measured start amps on compressor and found them to be high testing around 83 out of 83. Recommended hard start kit to homeowner to help reduce start amps and therefore wear and tear on the compressor overtime, as the most wear happens on the initial start up of the compressor. Cycled unit on and off periodically allowing for rest time to ensure unit functionality. Tested supply heat and measured 110° without the heat kit running. Return temperature 74. I was not able to verify the addition of a bypassed the zone system, as there was not nearly enough space in the attic, and no dampers could be seen from the supply box. Recommend installing Trane thermostats to get the most functionality and efficiency out of the Trane units. Also suggested labor warranty since unit may have been ins
