HBP/AC - Air Conditioning APPLICATION, R22 Refrigerant, 200-230V 3 Phase 60Hz / 200-220V 3 Phase 50Hz 3 1/2 HP, Low Start Torque (LST) 42500 BTU Capacity, 0.875" Sweat (7/8" ODF) SUCTION LINE SIZE, 0.5" Sweat (1/2" ODF) DISCHARGE LINE SIZE, Reciprocating Compressor (Model:AVA5542EXT)