2003 Krack 3-Fan Ammonia Evaporator. Model: VPCS3S-87-10-4-2-FL-A-HGC-RH. Refrigerant: R-717. Rated capacity: 60 tons for a room that is 38°F and has 23°F suction temperatures. Number of axial fans (3). Fan diameter: 3 ft. 7 in. Design working pressure: 302 psig. 140 coils. Fan motor: (3) 2 hp, 850 rpm, 208-230/460 V, 7.20-3.60 amps, 60 Hz, 3 phase. 2003 Receiver tank: 24 in. dia. x 5 ft. L. MAWP: 250 @ 200ºF. MDMT: -20 @ 250ºF. Overall dimensions for receiver: 7 ft. 7 in. x 3 ft 9 in. W x 11 ft 3 in. H. Inlets: (1) 3 in. dia. port, (1) 1 ½ in. dia. port. Outlets: (1) 3 in. dia. port, (1) 1 in. dia. port, (1) 1 ½ in. dia. port, (2) 2 ½ in. dia. port (drain). Overall dimensions for evaporator: 18 ft. 4 in. L x 6 ft. 5 ½ in. H x 5 ft 7 in. H. (BL).