1Work Included: Furnish, and test, Quantity One (1) NX500D (500 HP) CSA/UL/CEListed, factory assembled high speed, dual layer bump foil air bearing, dual core turbo blower system. The packaged blower system shall be complete, including sound enclosure, motors, variable frequency drives, control panels, programmable logic controllers, inlet air filter/silencers, blow-off valves, check valves, discharge valves, flexible connectors and other appurtenances as shown on the Drawings, as specified herein, and as needed for a complete and operational blower system. Nuts, bolts, pipes pools & elbows, washers, lock-washers and gaskets needed to install the loose appurtenances are not part of the scope of supply..2Blower shall be complete pre-packaged unit consisting of Permanent Magnet Synchronous Motor, integrated air filter, variable speed drive, and PLC (programmable logic controller) based Local and Master Control Panel(s)..3The equipment shall be furnished by a single Manufacturer.1.2 System Description.1The system shall include factory assembled dual core high speed turbo blower with integral variable frequency drive and programmable logic controller in a complete package that does not require lubrication of the bearings for operation. Master Control Panel shall be capable of effectively managing a minimum of two dual core units..2All equipment including controls and drives specified herein shall be specifically designed for this service and the environment encountered in this installation..3Equipment shall be designed and capable of either continuous or intermittent operation..4All equipment, supports, anchors and fasteners shall be of adequate strength to withstand loads associated with starting, turbulence, thrusts, thermal expansion and contraction and other loads encountered under normal operating conditions..5The equipment, sizes, materials, and arrangements described in this specification section are based on recommendations by equipment Manufacturers and shall be considered minimum limits of acceptability. The equipment Manufacturer shall be responsible for design, arrangement and performance of all equipment supplied section. Arrangements other than those shown on Drawings shall be subject to the Engineer's approval
