Mycom 250-L Rotary Screw Compressor - 500 HP. Mycom SRM Screw Compressor model number: 250LUD-HX, serial: 2512759, Leak: 313 PSIG, HYD: 470 PSIG, Mayekawa Mfg. Co. Ltd made in Japan. Refrigerant type: R717 (ammonia). Oil cooling type: liquid injection. The Mycom 250-Long features the following nominal ratings: 1,670 CFM, 618.9 TR / 678.7 BHP at +20F suction +95F condensing (ammonia), and 413 TR / 683.5 BHP at +5F suction / 105F condensing (R-22 freon). Unit is still installed and running in Florida, to be removed early July 2014. Mayekawa microprocessor was installed in 2010: MCP6221, serial S10HCP401219, manufactured 9-17-2010. Oil Separator Vessel certified by M&M Air Conditioning Refrigeration, Inc.: serial: 89A711, MAWP: 250 PSIG at 250F, MDMT: 250 PSIG at -20F, year: 1989, Federalsburg MD USA. Runtime: 1,446 hours. Toshiba high efficiency motor: 500 HP, 460V, 570 amps, 3520 RPM, 60 Hz, 3-phase, 1.15 SF, Frame 505USS, Houston TX USA. Motor starter / switch gear is included. Ports (suction/discharge): 8 in. / 5 in. Approximate weight: 11,950 lbs (weight less motor) Overall dimensions: 191 in. L x 80 in. W x 107 in. H. (H)