HIGH EFFICIENCY 16 and 18 SEER TWO-STAGE AIR CONDITIONERENVIRONMENTALLY SOUND R-410A REFRIGERANT2, 3, 4, and 5 TONS SPLIT SYSTEM208 / 230 Volt, 1-phase, 60 HzREFRIGERATION CIRCUIT Copeland Scroll UltraTech compressors on all models Crankcase Heater factory installed Filter-Drier supplied with every unit for field installation External high and low refrigerant service ports High, Low, and Compressor Unloader pressure switches Copper tube / aluminum fin coil PERFORMANCE 2-speed Fan Motors factory wired on all models High performance compressor sound shield standard EASY TO INSTALL AND SERVICE Comfort Alert UltraTech Diagnostics device on all models Easy Access service valves on all models Innovative control box design Fan motor in-line disconnect plug Only two screws to access control panel Factory charged with R-410A refrigerant BUILT TO LAST High gloss, baked-on powder coat finish over galvanized steel Post-painted (black) coil fins Coated, weather-resistant cabinet screws Coated inlet grille with 3/8 (10mm) spacing for extra protection (hail guard) Corner Posts for extra strength and style WARRANTY* 10 year No Hassle Replacement limited warranty 5 year compressor limited warranty 5 year parts limited warranty (including compressorand coil) -With timely registration, an additional 5 year partslimited warranty (including compressor and coil)* Applies to original purchaser/homeowner, somelimitations may apply. See Warranty certificate for complete details