5 Ton Variable Speed Split-System Communicating Air Conditioner, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER: 16.5, Speed: Variable, Refrigerant: R410A, Connection Size: 3/8"X1-1/8", Connection Type: Sweat, Factory Charge: 12 lbs 12 oz, Type: Air, Dimensions: 45-1/8''H x 34-1/4''W x 37-1/4''D, Weight: 258 lbs **Compatible with 1050/950/850 Control and Acculink Communicating Systems**