Krack Recirculated Ammonia Evaporator. Fan diameter: 22 in. (2) Franklin Electric Motors, 1/2 hp, 1140/950 rpm, 208-230/460 V, 1.96/0.98-2.24/1.12 amps, 60 Hz, 3 phase. Inlets: (1) 2 in. dia. refrigerant infeed, (1) 1 in. dia. port, (1) 1 in. dia (pan hot gas). Outlets: (1) 1 in. dia. flanged refrigerant discharge, (1) 1 in. dia. port, (1) 1 in. dia. (pan hot gas), (1) 1 ½ in. port (drain).Overall dimensions: 6 ft. 6 in. L x 4 ft. 2 in. W x 3 ft. 8 in. H.