5 Ton Split-System Communicating Air Conditioner, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department Of Energy Guide SEER: 16, EER: 13.5, Stage: Single, Refrigerant: R410A, Connection Size: 3/8"X7/8", Connection Type: Sweat, Factory Charge: 14.5 Lbs, Type: Air, Dimensions: 46-7/8"H X 35"W X 35"D, Weight: 327 Lbs Compatible With Observer Communicating Units