CAME OUT FOR ESTIMATE ON EQUIPMENT. INSTALLED 4T 3P. MADE SURE SYSTEM WAS INSTALLED PROPERLY. CHECK ALL ELECTRICAL CONNECTIONS, CHECK VOLTAGE AND AMPERAGE ON MOTORS, CHECK COMPRESOR DELAY SAFETY CONTROLS, CHECK CONDENSER COIL, CHECK THERMOSTAT. MADE SURE WORK AREA WAS CLEAN WHEN FINISH. EVERYTHING IS RUNNING GREAT.