CAME OUT ON A SERVICE CALL A/C. INSTALLED 3 TON AC/ COIL. MADE SURE SYSTEM WAS INSTALLED PROPERLY. CHECK ALL ELECTRICAL CONNECTIONS, CHECK VOLTAGE AND AMPERAGE ON MOTORS, CHECK CONDENSER COIL, CHECK THERMOSTAT, CHECK DRAINAGE, CHECK AIR FLOW. MADE SURE WORK AREA WAS CLEAN WHEN FINISHED. EVERYTHING IS RUNNING GREAT.