15 SEER SINGLE STAGE HEAT PUMP WITH OBSERVER COMMUNICATING CONTROL SYSTEM1-1/2 THRU 5 TONS SPLIT SYSTEM208 / 230 Volt, 1-phase, 60 HzREFRIGERATION CIRCUIT Copeland Scroll compressors on all models Suction line accumulator factory installed Bi-flow filter-drier included for field installation Integrated solid state control with Time-Temperature Defrost External high and low refrigerant service ports Copper tube / aluminum fin coil PERFORMANCE Communicating, self-configuring operation when used with Observer Wall Control (TSTAT0101SC) Outdoor temperature sensor factory installed Compressor sound blanket standard Isolation compressor grommets EASY TO INSTALL AND SERVICE Text based diagnostics with Observer Communicating Wall Control Easy access service valves on all models Innovative control box design High and low pressure switches 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 Corner posts for extra strength and style WARRANTY* 5 year No Hassle Replacement limited warranty 5 year parts limited warranty (including compressor and coil) - With timely registration, an additional 5 year parts limitedwarranty (including compressor and coil)* Applies to original purchaser/homeowner, some limitations may apply. See Warranty certificate for complete details.