Cutler-Hammer Freedom 2100 Series Installation And Maintenance Manual
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Cutler-Hammer Freedom 2100 Series Installation And Maintenance Manual

Motor control center
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Cutler-Hammer
Freedom 2100 Motor Control Center
Installation and Maintenance Manual

TABLE OF CONTENTS

PART
DESCRIPTION
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This electrical control equipment is designed to be
installed, operated, and maintained by adequately
trained workmen. These instructions do not cover all
details, variations, or combinations of the equipment, its
storage, delivery, installation, check-out, safe operation,
or maintenance. Care must be exercised to comply with
local, state, and national regulations, as well as safety
practices, for this class of equipment. The maximum
short circuit capability of the equipment should not be
exceeded by connection to a source with higher
capacity.
If maintenance or troubleshooting assistance is required,
contact your nearest Cutler-Hammer Sales Office.
I.B. 8926-1A
Model A
Effective 3/01
PAGE
2
4
5
10
12
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31
33

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Summary of Contents for Cutler-Hammer Freedom 2100 Series

  • Page 1: Table Of Contents

    The maximum short circuit capability of the equipment should not be exceeded by connection to a source with higher capacity. If maintenance or troubleshooting assistance is required, contact your nearest Cutler-Hammer Sales Office.

  • Page 2: General Information

    The Freedom 2100 MCC and cables. The vertical wireway joins the may be joined to existing Cutler-Hammer Freedom horizontal wireway at the top and bottom to provide Unitrol and F10 Unitrol MCC’s with a special splice unobstructed space for interwiring.
  • Page 3 I.B. 8926-1A (9) Top Horizontal (10) Horizontal Bus (8) Ground Bus Top & Side Wireway Barriers Covers (11) Divider Pan/ Guide Rails Vertical Bus Barrier – Labyrinth (Optional) (12) Horizontal Device Panel and Devices ¼ Turn Latch (13) Vertical Operating Handle (14) Vertical Bus...

  • Page 4: Receiving, Handling, & Storage

    I.B. 8926-1A the motor control center are appropriate for the fault RATINGS current available. Each Freedom 2100 Motor Control Center has a QUALIFIED PERSONNEL rating nameplate attached to the door of the top horizontal wireway of the primary section. See Figures 1 and 2.

  • Page 5: Installing Control Center Sections

    Motor Control Centers 1. Before any installation work is begun, consult all (MCC’s) are designed for installation in accordance drawings furnished by Cutler-Hammer as well as with both the National Electrical code (NEC), NFPA applicable contract drawings 70, and the National Electrical Safety Code (NESC), installation.
  • Page 6 I.B. 8926-1A not be used for storage and should have conductor must be run to the MCC in adequate lighting. accordance with NEC 250-23(b), and 3. Since control centers are assembled at the connected to the ground bus terminal. factory on smooth and level surfaces to assure iii) Do not make any connections to ground correct alignment of all parts, control centers load...
  • Page 7 Control Centers will usually involve a transition section, installed between the two varieties of equipment. This transition section will be detailed on drawings provided by Cutler-Hammer and the applicable contact drawings. If provided separately, it should be installed first. Review the overall...
  • Page 8 I.B. 8926-1A SPLICE PLATES Where the MCC is built with two horizontal bus bars per phase, the splice plates are installed as shown in Figure 7. The top edge of Figures 7 through 10 Each splice plate kit consists of short pieces of bus represents the backside of the MCC.
  • Page 9 I.B. 8926-1A Fig. 10 Six and Eight Bar Splice Kits JOINING FREEDOM 2100 TO FREEDOM UNITROL OR F10 UNITROL Consult the assembly instruction supplied with every Freedom 2100 Motor Control Center set up for splice to Freedom Unitrol or F10 Unitrol. Fig.

  • Page 10: Installing Conduit & Wiring

    I.B. 8926-1A Fig. 14 Splice Plate Attached to Freedom 2100 Fig. 13 Splice Plate Attached to Freedom 2100 Neutral Bus. Ground Bus at Bottom. Part 4 INSTALLING CONDUIT AND WIRING CONDUIT conductors are not distributed uniformly, eddy currents will be generated in the steel between the conduits.
  • Page 11 I.B. 8926-1A mounted on the rear side of the MCC is opposite Each male portion of the pull-apart terminal block to that of the load terminals in units mounted on has two cavities adjacent to the center terminal the front side of a back-to-back MCC. To obtain screw to accept the blade of an electrician’s the same direction of rotation for a motor screwdriver used to cam the block into and out of...

  • Page 12: Incoming Line Connections

    I.B. 8926-1A Part 5 INCOMING LINE CONNECTIONS OVERCURRENT PROTECTION All ungrounded conductors in a motor control center (MCC) installation require some form of overcurrent protection in order to comply with Section 240-20 of the NEC. Such overcurrent protection for the incoming lines to the MCC is in the form of fuses or circuit breaker...
  • Page 13 I.B. 8926-1A When the MCC has a main disconnect, bring the incoming lines (the feeders) to the line terminals of the circuit breaker or circuit interrupter. The load side of the circuit breaker or the load side of the fuses associated with the circuit interrupter has already been connected to the MCC bus bar distribution system.

  • Page 14: Overcurrent Protection Devices

    I.B. 8926-1A Part 6 OVERCURRENT PROTECTION DEVICES DEVICE SELECTION Articles 240 and 430 of the NEC contain the rules for selecting fuses, circuit breakers and overload relays by type and by voltage and ampere rating. Follow these rules for feeder circuits, and the instructions attached to the inside of the left-most vertical wireway door, for motor branch circuits.
  • Page 15 I.B. 8926-1A CURRENT TRANSFORMERS A cam to accept a small narrow-blade electrician’s screwdriver is near the lower left corner and around which are eight lettered adjustment points, calibrated When current transformers are used with overload in trip amperes. See Figure 25. Adjustment should relays, the current through the overload relay heater never exceed 13 times FLA which is in accordance is related to the motor full-load by the inverse of the...

  • Page 16: Overload Relay Heater Selection

    I.B. 8926-1A TYPE HMCP AND FD CIRCUIT BREAKERS to be installed on the line side. Replace the terminal WITH TERMINAL END COVERS end cap when replacing circuit breakers in such units. Circuit breakers installed in units connected to 600 volt distribution systems require a terminal end cap Part 7 OVERLOAD RELAY HEATER SELECTION HEATER SELECTION AND INSTALLATION...
  • Page 17 I.B. 8926-1A TO REMOVE HEATER PACKS Automatic reset is not intended for two-wire control devices. Loosen two (2) heater packs mounting screws and remove heater pack from overload relay. OVERLOAD RELAY SETTING This bimetalic ambient compensated overload relay is adjustable within the FLA range of the heater RESET Examples of pack.
  • Page 18 I.B. 8926-1A SIZE J AND K NEMA SIZE 2 NEMA SIZE 5 HEATER PACK SELECTION TABLE HEATER PACK SELECTION TABLE STD TRIP MOTOR FLA RATING MOTOR FLA RATING STD TRIP Class 20 FLA DIAL POSTITIONS Class 20 FLA DIAL POSTITIONS 3.23 3.90 4.56...

  • Page 19: Inspection Prior To Energizing

    I.B. 8926-1A Part 8 INSPECTION PRIOR TO ENERGIZING 1. Before energizing the motor control center attempt to defeat the rejection feature on the (MCC), conduct a thorough inspection to make fuse clip, when provided. certain that all foreign materials such as tools, 14.

  • Page 20: Unit Installation & Adjustment

    I.B. 8926-1A 16. Conduct an electrical insulation resistance test to automatic shutters. See Part 9 for adjustments make sure that the MCC and field wiring are free of this mechanism. from short circuits and grounds. Do this test 18. Install covers, close doors, and make certain that phase-to-phase, phase-to-ground, and phase-to- no wires are pinched and that all enclosure parts neutral, with the switches or circuit breakers...
  • Page 21 I.B. 8926-1A DETENT POSITION lights, selector switches and miniature meters. If unused space is available and the addition of other devices is desired, observe the following procedure. For maintenance and test purposes, the unit can be partially withdrawn (approximately 1 ½ inches) until After opening the unit door, loosen the two screws at the stabs are free of the bus.
  • Page 22 I.B. 8926-1A INSTALLING A NEW UNIT CAUTION: Brace the panel solidly to avoid breaking the hinge points. Use a knife or small file to remove remaining plastic burrs. Install and wire the new It is recommended that a new unit be installed in a device and re-attach the top of the device panel to unit space at the top of a vertical compartment or the unit.

  • Page 23: Maintenance

    Any of these leaflets may be obtained by contacting your nearest Cutler-Hammer Representative. General Guidelines – The whole purpose of maintaining electrical equipment can be summarized in two rules: a. Keep those portions conducting that are intended to be conduction.
  • Page 24 I.B. 8926-1A locking bar recessed in the handle may be extended to the control component. When screw type lugs and padlocked with from one to three padlocks. See (marked CU/AL) are used with aluminum wire, joint Figure 34. should checked tightness every operations of the device.
  • Page 25 I.B. 8926-1A To provide for padlocking the circuit breaker - Open before the stab clips can be disengaged operator in the “on” position, drill the appropriate from the vertical bus. size hole through the drill point located on the The unit interlock and bracket does not need field operator mechanism.
  • Page 26 I.B. 8926-1A CONTACT WEAR AND REPLACEMENT CONTACTOR TROUBLESHOOTING CHART DEFECT CAUSE REMEDY Contactors are subject to both mechanical and Overheating Load current Reduce load. Use larger electrical wear during their operation. In most cases too high contactor. mechanical wear is insignificant. The erosion of the Loose Clean discolored or dirty contacts is due to electrical wear.
  • Page 27 I.B. 8926-1A Reproduced by permission of the National Electrical Manufacturers Association from NEMA Standards Publication No. ICS 2- 1978 (R1983), Industrial Control Devices, Controllers and Assemblies, copyright 1978 by NEMA. replacements made before re-energizing the branch circuit. If there is no visual indication of damage that would require replacement of the overload relay, the relay It is recommended that the following general must be electrically or mechanically tripped to verify...
  • Page 28 When ordering renewal control center parts, give the style number detailed Cutler-Hammer complete nameplate reading. Always give the name Renewal Parts Data. The nomenclature to identify of the part wanted, the part, catalog or style number these parts is shown in Figures 2 and 41. The most...
  • Page 29 I.B. 8926-1A TABLE 10-1 RENEWAL CONTACT KITS, COILS & OVERLOAD RELAYS NEMA SIZE 1 NEMA SIZE 2 NEMA SIZE 3 NEMA SIZE 4 NEMA SIZE 5 Description Series B1 Series B1 Series B1 Part No. Part No. Part No. Part No. Part No.
  • Page 30 I.B. 8926-1A Unit Disconnect Device Stab Assembly Unit Drawout Unit Guides Handle (Included with Item 3) (10) Unit Terminal Blocks Quarter Turn (11) Latch (Included in Control Power Item 9) Transformer with Fuses Freedom Starter (12) Pivot Tube Unit Frame (13) Device Panel Heater Mounts...

  • Page 31: Plan Views

    I.B. 8926-1A Part 11 PLAN VIEWS...
  • Page 32 I.B. 8926-1A 20 Inches Wide, 16 Inches Deep 20 Inches Wide, 21 Inches Deep Front Mounted Only (4710A30) Front Mounted Only (4710A31) 1. Minimum length of anchor bolt is 2.00". (.38-16 grade 5 torqued at 31lb-ft). 1. Minimum length of anchor bolt is 2.00". (.38-16 grade 5 torqued at 31lb-ft). A.
  • Page 33 I.B. 8926-1A SIDE VIEWS 20 Inches Wide, 21 Inches Deep Front and Rear Mounted (4710A32) 1. Minimum length of anchor bolt is 2.00". (.38-16 grade 5 torqued at 31lb-ft). A. For non seismic, mount with 2 center bolts per enclosure. B.

  • Page 34: Related Instruction Leaflets

    Series C, J-frame…………………………………………………………..I.L. 29C103 Series C, K-frame…………………………………………………………. I.L. 29C104 Series C, L-frame…………………………………………………………. I.L. 29C105 Series C, N-frame…………………………………………………………..I.L. 29C106 Series C, R-frame…………………………………………………………. I.L. 29C107 Transfer Switches…………………………………………………………… I.L. 14477 I.B. 8926-1A Cutler-Hammer, Inc. Printed in USA Effective 3/01 Fayetteville, N.C. U.S.A 28306...

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