ervus Management Corporation is requesting proposals for the installation on one complete 22 ton computer room packaged environmental system located on the first floor at 200 Follybrook Boulevard, Wethersfield, CT Major equipment includes: (1) 22 ton Computer Room Packaged Environmental System. As a reference the model number of the size and type currently existing is a Leibert Model DH290A-AAEI. The condenser unit model number is DCDF308-A.