Eaton Freedom 2100 Installation And Maintenance Manual

Contents

- Page 5 - I.B. 8926-1Fig. 3 Correct Use of Lifting AngleROLLERSRod or pipe rollers, with the aid of pinch bars, provide asimple method of moving the motor control center onone floor level, if there is no significant incline. Roll themotor control center slowly, and steady the load to pre-vent tipping.STORAGEWhen a motor control center cannot be installed andplaced into operation immediately upon receipt, takesteps to prevent damage by condensation or harsh en-vironmental conditions. If the motor control center can-not be installed in its final location, store it in a clean,dry, ventilated building, heated to prevent condensation,and protected from dirt, dust, water, and mechanicaldamage. When storage conditions are less than ideal,install temporary electrical heating, typically in the formof light bulbs, totaling 150 watts per section, hung in thevertical wireway, or by applying power to self-containedspace heaters that the motor control center may beequipped with. Remove all loose packing and flamma-ble materials before energizing any of the heating ele-ments.GENERALFreedom Series 21 00 Motor Control Centers (MCC’s)are designed for installation in accordance with both theNational Electrical Code (NEC), NFPA 70, and theNa-tional Electrical Safety Code (NESC), ANSI C2.Caution - If work is involved in connecting the con-trol center with existing equipment, ensure that in-coming power is disconnected before work is be-gun. Disconnecting means should be locked outand/or tagged out of service. Where it is not feasi-ble to de-energize the system, the following precau-tions should be taken:A) Persons working near exposed parts that are or maybe energized should be instructed and should usepractices (including appropriate apparel, equipment,and tools) in accordance with the NESC.B) Persons working on exposed parts that are or maybe energized should, in addition, be qualified per-sons who have been trained to work on energizedcircuits.INSTALLATION1. Before any installation work is begun, consult alldrawings furnished by Cutler-Hammer as well as allapplicable contract drawings for the installation. Giveparticular attention to the physical location of unitsin the control center and their relation to existing orplanned conduit, busways, etc. Provide for futureconduit entrance prior to control center installation.2. Locate the control center in the area shown on thebuilding floor plans. If in a wet location or outside ofthe building, protect the control center from waterentering or accumulating within the enclosure. Rec-ommended clearances or working spaces are as fol-lows:a) Clearance from walls (where not rear acces-sible) - a minimum of 1/2inch for indoor and 6inches for outdoor or wet locations.b) Clearance from front of MCC (working space)minimum of 3 feet for control centers withoutexposed live parts. See NEC 110-16d. NOTE:This working space should not be used for stor-age and should have adequate lighting.3. Since control centers are assembled at the factoryon smooth and level surfaces to assure correct align-ment of all parts, control centers should be securelyPart 3INSTALLING CONTROL CENTER SECTIONS