Heatcraft Bohn Low Temperature Freon Condensing Unit. Model: BZS0750L6C. Part No. 86514701. Nominal capacity: 1.81 tons or 26,540 Btuh with a -20ºF suction temperature and a 95ºF ambient temperature. Refrigerant: R-404a. Design pressure: 450/178 (hi/lo). Power supply: 208-230 V, 60 Hz, 3 phase. Copeland Scroll Compressor, Model: ZF24K4E-TWC-551, S/N: 02E2460G, power supply: 7-1/2 hp, 208-230 V, 60 Hz, 3 phase. (1) 1/3 hp condenser fan motor. Fan diameter: 1 ft. 10 in. Inlets: (1) 1/2 in. dia. port. Outlets: (1) 1/2 in. dia. port. Estimated weight; 824 lbs. Overall dimensions: 4 ft. 1-1/2 in. L x 3 ft. W x 3 ft. 2 in. H. (ACN69a)