Product Features: ComfortNet™ Communications System compatible, two-stage Copeland® UltraTech™ scroll compressor, SmartShift™ technology with short-cycle protection, expanded Copeland ComfortAlert™ diagnostics, compressor short-cycle protection, diagnostic indicator lights and storage of six fault codes, color-coded terminal strip for non-communicating set-up, factory-installed compressor crankcase heater, factory-installed suction line accumulator, factory-installed coil and ambient temperature sensors, factory-installed bi-flow liquid-line filter drier, factory-installed high-capacity muffler, factory-installed high- and low-pressure switches, quiet two-speed condenser fan motor, AHRI certified; ETL listed, Amana®-brand sound control to design, heavy-gauge galvanized steel cabinet, wire fan discharge grille, steel louver coil guard, single-panel access to controls with space provided for field-installed accessories.