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Rockwell Automation Publication 2100-IN012D-EN-P - September 2010

53

Installing and Removing Plug-in Units

Chapter

4

Remove a Plug-in Unit with
a Horizontal Operating
Handle from a Section

1.

Make sure the disconnect handle is in the OFF/O position.

2.

For non-arc resistant units, turn the door latch 1/4 turn; for units that are
equipped with arc-resistant door latches, push in the latch and rotate 1/4
turn.

3.

Open the door completely.

4.

Remove the unit door, if necessary.

a. Remove the door-mounted devices and wiring, if necessary.

TIP

It is not necessary to remove the unit door to remove a unit from a
section. However, these steps may still be necessary even when
the door is not removed.

Arc Containment Latch

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Summary of Contents for Allen-Bradley CENTERLINE 2100

Page 1: ...Installation Instructions CENTERLINE 2100 Low Voltage Motor Control Centers Catalog Number 2100 ...

Page 2: ...assumed by Rockwell Automation Inc with respect to use of information circuits equipment or software described in this manual Reproduction of the contents of this manual in whole or in part without written permission of Rockwell Automation Inc is prohibited Throughout this manual when necessary we use notes to make you aware of safety considerations Allen Bradley Rockwell Automation CENTERLINE CEN...

Page 3: ...dated information Changes throughout this revision are marked by change bars as shown to the right of this paragraph New and Updated Information This table contains the changes made to this revision Topic Page Added information about ArcShield rating Throughout Added illustrated checklist for ArcShield components 81 ...

Page 4: ...4 Rockwell Automation Publication 2100 IN012D EN P September 2010 Summary of Changes Notes ...

Page 5: ...age 19 Chapter 2 Installation Procedures Location Planning 23 Height Considerations 23 Securing an MCC 24 Seismic Requirements 36 Joining and Splicing New MCCs 37 Joining and Splicing Existing MCCs 37 Joining and Splicing MCCs with ArcShield 38 Installing and Joining Pull Boxes 38 Joining and Splicing NEMA Type 12 MCCs 38 Joining and Splicing NEMA Type 3R and Type 4 MCCs 38 Bus Torque Specificatio...

Page 6: ...omponents Checklist 80 Required Minimum Electrical Spacing 82 Chapter 8 Energizing the Equipment Energize the Equipment 87 Chapter 9 Maintenance Maintain the MCC 89 Disconnect the Switch and Contact Lubrication 91 Use Thermal Infrared or Other Temperature Measurement Techniques for Preventive Maintenance 93 Chapter 10 Maintenance After Fault Condition Maintain the MCC After a Fault Condition 95 Ch...

Page 7: ...nters MCC Units with Vertical Operating Handles Installation Instructions 2100 IN014 CENTERLINE Motor Control Centers NEMA Type 12 Sealing Instructions 2100 IN037 Receiving Handling and Storing Motor Control Centers Instructions 2100 IN040 CENTERLINE 2100 MCC Instantaneous Trip Motor Circuit Protectors MCP in Combination NEMA Starter Soft Starter SMC and Variable Frequency AC Drive Units Technical...

Page 8: ...ed These documents should be read and understood before installing and operating the MCC Refer to the unit locations of these devices for their manuals or data sheets Resource Website National Electrical Manufacturer s Association NEMA NEMA ICS 1 2000 Industrial Control and Systems General Requirements NEMA ICS 2 3 1995 Instructions for Handling Operation and Maintenance of Motor Control Centers R...

Page 9: ...er and logic devices Plug in units are mounted on unit support pans within the section Stab assemblies on the back of the unit plug onto the vertical bus A mechanical interlock prevents the unit door from being opened when the disconnect is not in the OFF position An additional mechanical interlock prevents the unit from being plugged in or unplugged when the disconnect is not in the OFF position ...

Page 10: ...ainment latches on all doors To help protect you during an arc fault arc containment latches when closed and latched properly allow pressure relief and help keep the doors from unlatching or detaching from the structure Nameplate Data Each MCC section has a nameplate on the enclosure or vertical wireway door The nameplate includes catalog number serial number series letter of section bus bar volta...

Page 11: ... device type and size Figure 2 Unit Label The catalog number or serial number and series letter are required to properly identify the equipment to sales or factory personnel MCC Sequence Numbering CENTERLINE MCCs are designed so functionality is not affected by the section installation order for example vertical section numbering sequence order All MCC sections carry a serial plate that identifies...

Page 12: ... the total MCC line up For example the voltage current rating short circuit withstand and NEMA enclosure type IP rating for all sections must match Non sequential numbering may not create a functional or listing certification issue However MCCs should be installed in sequential order Installing MCCs in sequential order helps ensure proper installation and ensures that factory supplied documentatio...

Page 13: ...interior of the bottom plate of plug in units or on the interior right hand side plate of frame mounted units Figure 4 UL Label Designation for Units Short circuit Rating Label MCC vertical sections that are UL listed and or CSA cUL certified will carry a short circuit rating label The short circuit rating label for a vertical section is on the inside of the vertical wireway door of standard secti...

Page 14: ... LISTED PROTECTIVE DEVICE SPECIFIED ABOVE DOORS AND COVERS MUST BE PROPERLY CLOSED LATCHED AND SECURED EQUIPMENT MUST BE INSTALLED PER MANUFACTURER S INSTRUCTIONS REFER TO PUBLICATION 2100 IN012 EQUIPMENT WILL NOT FUNCTION AS ARC RESISTANT IF ABOVE GUIDELINES ARE NOT FOLLOWED FAILURE TO FOLLOW THESE GUIDELINES COULD RESULT IN SEVERE INJURY OR DEATH 41006 401 01 1 100 ms Arc Duration Device Limited...

Page 15: ...21A through 54A Changed to Bulletin 100 line contactors in 21 A 30 A 45 A SMC units and original design 24 A 35 A 54 A SMC units November 1989 M All sizes Changed to new unit grounding system and 600 A 800 A 1200 A bolted pressure switch May 1990 N All sizes Changed to PCP 200 A and 400 A disconnect rerated vacuum Bulletin 2112 and 2113 and new pilot device offerings January 1993 P 0 5 SF CB units...

Page 16: ...ve with manual bypass Redesign for change from SMP overload relay to E1Plus overload relay August 2006 2107 2113 size 2 and 3 Redesign due to starter component series letter change December 2009 1 Replacement and renewal parts are no longer supported For more information contact Rockwell Automation LV MCC Technical Support at 1 440 646 5800 and follow the prompts to Allen Bradley Low Voltage Motor...

Page 17: ...an Requires Style 3 Unit Support Pan w Bushing Requires Alternate Top Horizontal Wireway Pan Requires Door Gasketing Kit Requires Retrofit Kit 3 Requires Ground Bus Kit Space Factor Series 2100H UAJ1 2100H UA12100H UJ1 2100H USPA1 2100H USPJ1 2100H NA4A1 2100H NA4J1 2100H NA4A2 2100H NA4J2 2100 GJ10 2100H R1 2100H R2 2100H GS1 NEMA Type 1 Series A D 4 1 0 or larger A E 4 F L 4 5 M or later 6 5 NEM...

Page 18: ...y Low Voltage Motor Control Centers Post Shipment Support 5 Required only if series F or later 1 0 space factor or larger CENTERLINE 2100 unit is installed in topmost location of series A E vertical sections 6 For more information regarding possible door hinge requirements contact Rockwell Automation LV MCC Technical Support at 1 440 646 5800 and follow the prompts to Allen Bradley Low Voltage Mot...

Page 19: ...f necessary other types of packaging are available Refer to publication 2100 IN040 for receiving handling and storage instructions This publication is shipped with each MCC attached to the outside of the MCC within the layer of clear plastic wrap For additional information about the handling installation operation and maintenance of MCCs rated more than not 600V consult NEMA ICS 2 3 1995 Export Pa...

Page 20: ... 109 Back to back 4 section block 1800 816 96 244 42 107 43 109 Back to back 6 section block 2200 998 96 244 42 107 63 160 Table 6 Shipping Weights and Dimensions Export Packaging Export Packing below deck 1 1 Export packing for below deck is required for all international shipments The MCC shipping block is mounted on a skid and covered in clear plastic wrap This packaging is not watertight or wa...

Page 21: ...ity If the equipment is stored the ambient temperature should remain above 30 oC 22 oF but not exceed 65 oC 149 oF In addition MCCs have an altitude class of 2 km 1 km for MCCs that contain variable frequency drives The altitude class of 2 km designates equipment for installation where the altitude does not exceed 2000 m 6600 ft For installation above 2000 m 6600 ft contact Rockwell Automation LV ...

Page 22: ...22 Rockwell Automation Publication 2100 IN012D EN P September 2010 Chapter 1 General Information Notes ...

Page 23: ...s shipped with assembled MCCs include an MCC elevation drawing and an MCC floor plan layout Height Considerations If the MCC is equipped with optional external mounting channels or is mounted on a pad the height from the floor to the center of the top handles must be checked for compliance with NFPA 70 National Electrical Code NEC Article 404 8 and UL Standard 845 If the distance from the floor to...

Page 24: ...nduit in the top rear of cabinet cable trays must be a minimum of 12 in 305 mm above the top plate Figure 10 ArcShield Planning Dimensions Securing an MCC Anchor bolts 1 2 in 13 mm may be embedded in the foundation prior to installation Two bolts per vertical section fasten the MCC through its internal mounting angle to the foundation corner sections require three bolts and 40 in 1016 mm wide sect...

Page 25: ...ber 2010 25 Installation Procedures Chapter 2 Figure 11 Mounting Dimensions for 15 in and 20 in Sections IMPORTANT The external vertical support angle on MCC sections with 100 ms arc resistant rating add an additional 2 in 50 8 mm to each end of the lineup ...

Page 26: ...andard Ground Bus 7 38 in 187 mm 0 25 in 6 35 mm Dimensions approx 15 in Deep 20 in Deep 20 in Wide in mm 25 in Wide in mm 30 in Wide in mm 35 in Wide in mm 20 in Wide in mm 25 in Wide in mm 30 in Wide in mm 35 in Wide in mm A 20 00 508 25 00 635 30 00 762 35 00 889 20 00 508 25 00 635 30 00 762 35 00 889 B 15 00 381 15 00 381 15 00 381 15 00 381 20 00 508 20 00 508 20 00 508 20 00 508 C 11 56 294...

Page 27: ...in in Slots 14 mm x 29 mm Slots Dimensions approx 20 in Deep 40 in Deep 20 in Wide in mm 25 in Wide in mm 30 in Wide in mm 35 in Wide in mm 20 in Wide in mm 25 in Wide in mm 30 in Wide in mm 35 in Wide in mm A 20 00 508 25 00 635 30 00 762 35 00 889 20 00 508 25 00 635 30 00 762 35 00 889 B 30 00 762 30 00 762 30 00 762 30 00 762 40 00 1016 40 00 1016 40 00 1016 40 00 1016 C 11 56 294 11 56 294 11...

Page 28: ...2100 IN012D EN P September 2010 Chapter 2 Installation Procedures Figure 13 Mounting Dimensions for 25 in Wide Section with 9 in 228 6 mm Wireway 90 in 2286 mm high The optional external mounting channels add 1 5 in 38 1 mm to the height ...

Page 29: ... Figure 14 Mounting Dimensions for 10 in Wide Section with 10 in 254 mm Incoming Line Section Dimension approx Section Depth 15 in 381 mm Deep in mm 20 in 508 mm Deep in mm A 12 75 324 17 75 451 B 14 75 375 19 75 502 A L1 A L2 A L3 A B 1 25 in 32 mm 7 5 in 191 mm 10 in 254 mm 1 12 in 28 mm Power Wires ...

Page 30: ...30 Rockwell Automation Publication 2100 IN012D EN P September 2010 Chapter 2 Installation Procedures Figure 15 Mounting Dimensions for NEMA 3R and 4 Section 90 in 2866 mm high ...

Page 31: ...to height Rear Front A Ground Bus B C Interior Section 0 25 in 6 mm 14 06 in 337 mm 2 87 in 73 mm 16 56 in 421 mm 2 Mounting Holes 0 63 in 16 mm Diameter 12 37 in 314 mm Dimension approx Exterior Section Width 20 in 508 mm Wide 1 in mm 1 This measurement is the interior section width 25 in 635 mm Wide 1 in mm 30 in 762 mm Wide 1 in mm A 25 00 635 30 00 762 35 00 889 B 13 75 349 16 25 413 18 75 476...

Page 32: ...ernal mounting channels add 1 5 in 38 1 mm to the height Dimension approx Section Depth 15 in 381 mm Deep in mm 20 in 635 mm Deep in mm A 25 13 638 30 13 765 B 12 63 321 15 13 384 C 16 81 427 21 81 554 D 17 62 448 22 62 575 B A A B D C D C 0 25 in 6 mm 0 25 in 6 mm 1 41 in 36 mm 1 41 in 36 mm 2 Mounting Holes 0 63 in 16 mm Diameter Ground Bus 2 Mounting Slots 0 56 in x 1 13 in in Slots 14 mm x 29 ...

Page 33: ... add 1 5 in 38 1 mm to the height Dimensions approx Section Width 1 1 When a horizontal bus or a disconnecting means switch or circuit breaker is specified reduce the A dimension by 5 in 127 mm 20 in Wide in mm 25 in Wide in mm 30 in Wide in mm 35 in Wide in mm 40 in Wide in mm A 17 25 438 22 25 565 27 25 692 32 25 819 37 25 946 B 16 50 419 21 50 546 26 50 673 31 50 800 36 50 927 C 5 25 133 7 75 1...

Page 34: ...x 40 in Wide Front mounted Section Rear 10 00 in 254 mm B Front A 10 00 in 254 mm 40 00 in 1016 mm 1 69 in 43 mm 20 00 in 508 mm 7 15 in 102 mm 0 25 in 6 mm Standard Ground Bus 4 Mounting Slots 0 56 in x 1 13 in in Slots 14 mm x 29 mm Slots Dimension approx Section Depth 15 in 381 mm Deep in mm 20 in 508 mm Deep in mm A 15 381 20 508 B 11 56 294 16 56 421 ...

Page 35: ... 71 in H reduced height MCC Sections A D C B E 20 in 508 mm 20 in 508 mm 70 48 in 1790 19 mm 70 48 in 1790 19 mm 0 25 in 6 mm 0 25 in 6 mm 71 in High Section 1803 4 mm Dimension approx Section Depth 15 in 381 mm Deep in mm 20 in 635 mm Deep in mm A 15 00 380 20 00 508 B 14 75 374 19 75 500 C 5 12 130 10 12 256 D 4 101 8 203 E 4 40 112 ...

Page 36: ...ons were not compromised when subjected to a UBC Zone 4 earthquake or the IBC seismic event Per the IEEE 344 standard the equipment was under power and operated before during and after the seismic tests In order to obtain a UBC or IBC seismic withstandability each individual CENTERLINE 2100 MCC lineup for example both front and back MCCs in back to back applications must be mounted on an adequate ...

Page 37: ...ed when adding to existing CENTERLINE MCCs When adding to existing MCCs you must identify the series of the MCC that you will be adding to If the existing MCC is series A or B you must consult MCC technical support at 1 440 646 5800 and follow the prompts to Allen Bradley Low Voltage Motor Control Centers Post Shipment Support for joining and splicing procedures When the existing MCC is series C o...

Page 38: ...talling and joining the pull box onto the vertical section Joining and Splicing NEMA Type 12 MCCs NEMA Type 12 MCCs must be properly installed to prevent the ingress of dust and dirt Follow the caulking instructions in the NEMA Type 12 Sealing Instructions publication 2100 IN037 supplied with the NEMA 12 MCC Using caulk close any mounting holes in the bottom plates and bolt holes between shipping ...

Page 39: ...n 12 7 mm Taptites 2 wireway extensions required for 15 in 381 mm deep 2 wireway extensions required for 20 in 508 mm deep 1 0 25 in 6 mm 20 x 0 70 in 17 78 mm taptite per wireway extension Remove left hand driphood angle and remount after the adjacent driphood has been drilled out Remove right hand driphood angle and discard Drill out 5 0 172 in 4 36 mm diameter holes to 0 25 in 6 mm diameter in ...

Page 40: ...th a torque wrench and socket at intervals established by your maintenance policy See Chapter 9 for suggested maintenance If a torque wrench is not available tighten until the conical spring washer is flat Torque values can be found on the information label on the interior of the vertical wireway door or on the interior right hand side plate of frame mounted units ...

Page 41: ...fore the MCC is installed place and stub up conduit approximately 2 in 51 mm above floor level making sure all incoming conduit is clear of the horizontal ground bus For approximate section base dimensions and ground bus locations refer to Installation Procedures Chapter 2 or elevation and floor plan drawings shipped with MCC For approximate bottom entry locations and wiring schemes for main fusib...

Page 42: ...ation of the horizontal ground bus mounted in the top horizontal wireway refer to Mains and Incoming Lines Dimension Reference publication 2100 TD018 For space availability for incoming cables refer to the elevation drawings shipped with assembled MCCs Installing Cable Install the cable when the temperature is above freezing 0 C 32 F unless the cable is suitable for installation at temperatures be...

Page 43: ...main device In some cases the bottom entry connects to the top or line side of the main fusible disconnect or main circuit breaker In other cases the connection is reverse fed the bottom entry cables connect to the bottom of the main fusible disconnect or main circuit breaker For further information refer to Mains and Incoming Lines Dimension Reference publication 2100 TD018 Mechanical screw type ...

Page 44: ...th Cable slack should be drawn up during wrapping so that individual cables are supported by the tape as a single mass Figure 24 Securing Cables with Glass Tape Securing Cables with Nylon Rope In this example cables are lashed in a figure 8 type configuration by using nylon rope The rope lashing should be continuous from the point the cables enter the MCC to the point the cables are terminated Oth...

Page 45: ...the cables are passed through Holes should be small enough to provide a snug fit for the cables The connectors or lugs are attached to the cables and cables are bolted to the terminals When using the hardwood bracing method and the short circuit current is less than 42 000 A cables should be braced every 12 in 305 mm When the short circuit current is 42 000 A or greater cables should be braced eve...

Page 46: ...46 Rockwell Automation Publication 2100 IN012D EN P September 2010 Chapter 3 Installing Conduit and Cable Notes ...

Page 47: ...tices Refer to the NFPA 70E Standard for Electrical Safety in the Workplace publication ATTENTION Review your company safety lockout and tag out procedure De energize all units before installing or removing ATTENTION All covers and doors must be in place before applying power to the MCC If units are removed they must be replaced with the appropriate items such as units doors and unit support pans ...

Page 48: ...its Remove a Plug in Unit with a Vertical Operating Handle from a Section 1 Make sure the disconnect handle is in the OFF O position 2 For non arc resistant units turn the door latches 1 4 turn for units that are equipped with arc resistant door latches push in the latch and rotate 1 4 turn Arc Containment Latch ...

Page 49: ...ill be necessary even when the door is not removed For Units With Follow This Step A control station First slide the hinge pin out of the hinge and through the tab on the control station wiring ArcShield units with 100 ms arc duration rating Two hinges are required for each hinge leaf 1 The upper hinge on each door must be removed from the structure to remove the uppermost hinge pin 2 Remove the h...

Page 50: ...ion d Lift the door outward to remove 5 Disengage the captive latches at the front of the unit one at the top and one at the bottom of the unit Units that are 2 0 space factor and larger have two latches at the top All units with the 100 ms arc resistant rating have two latches at the top 6 Detach the front portion of the pull apart terminal blocks from the unit base and place the wires and termin...

Page 51: ...lower left of the unit and the tab in the upper right of the unit as finger holds You may need to reposition your hands as necessary to properly support the unit while you are removing the unit from the MCC TIP It is not necessary to place wires and terminal blocks into the vertical wireway to remove a plug in unit that includes the wiring clearance tunnel ATTENTION Plug in MCC units may be heavy ...

Page 52: ...isconnect switch units you will need to remove the bottom arc latch bracket You can do this by first removing the unit below the dual disconnect unit ATTENTION All covers and doors must be in place before applying power to the MCC If units are removed they must be replaced with the appropriate items such as units doors and unit support pans When installing units for CENTERLINE 2100 Motor Control C...

Page 53: ...r non arc resistant units turn the door latch 1 4 turn for units that are equipped with arc resistant door latches push in the latch and rotate 1 4 turn 3 Open the door completely 4 Remove the unit door if necessary a Remove the door mounted devices and wiring if necessary TIP It is not necessary to remove the unit door to remove a unit from a section However these steps may still be necessary eve...

Page 54: ...move For Units With Follow This Step A control station First slide the hinge pin out of the hinge and through the tab on the control station wiring ArcShield units with 100 ms arc duration rating Two hinges are required for each hinge leaf 1 The upper hinge on each door must be removed from the structure to remove the uppermost hinge pin 2 Remove the hinge pin through the lower hinge then through ...

Page 55: ...from the unit 6 Place the wiring terminal block in the vertical wireway to the right of unit 7 Push the latch mechanism to the left with your right hand 8 Pull the unit forward outward approximately 3 in 7 62 cm out of the MCC You may need to reposition your hands as necessary to properly support the unit while you are removing the unit from the MCC ...

Page 56: ...s must be in place before applying power to the MCC If units are removed they must be replaced with the appropriate items such as units doors and unit support pans ATTENTION All covers and doors must be in place before applying power to the MCC If units are removed they must be replaced with the appropriate items such as units doors and unit support pans When installing units for CENTERLINE 2100 M...

Page 57: ...aside for installation later 2 Pry the plastic retaining clip from the right hand unit support by using a screwdriver This is visible in the vertical wireway For CENTERLINE MCC units with arc resistant latches the unit support pan is secured to the right hand unit support by the screw that retains the arc latch bracket In order to remove the unit support pan you must remove the arc latch bracket P...

Page 58: ...tructure 5 Push back on the left side of the support pan until the support pan is free from the structure Vertical sections may be supplied with plug in stab opening protective caps manual shutters or automatic shutters Refer to the next step if any of these options are supplied 6 Carefully install the protective caps or close the manual shutters after the unit is removed Automatic shutters will c...

Page 59: ...hile energized shall be field marked to warn qualified persons of potential electric arc flash hazards The marking shall be located so as to be clearly visible to qualified persons before examination adjustment servicing or maintenance of the equipment FPN No 1 NFPA 70E 2000 Electrical Safety Requirements for Employee Workplaces provides assistance in determining severity of potential exposure pla...

Page 60: ...n the level of the on site personnel safety training the level of required clothing and required PPE consistency for the level of marking of various equipment for example switchboards panelboards industrial control panels and MCCs the available flash energy on each piece of equipment This energy is determined from available fault current arc flash duration due to the type and degree of short circu...

Page 61: ... below on units with a vertically mounted operator handle or just to the right on units with a horizontally mounted operator handle of the pivot point of the operator handle To operate the defeater mechanism and defeat the door interlock while the operator handle is in the ON I position use a flat head screwdriver to turn the defeater screw clockwise one eighth to one quarter turn ATTENTION When w...

Page 62: ...6 Operator Handle and Unit Interlock Figure 27 Operating Handle Defeater for Vertical Operator Handle Figure 28 Operating Handle Defeater for Horizontal Operator Handle Defeating the Unit Interlock Lever Refer to the following information for defeating the unit interlock lever ...

Page 63: ... position and energize the unit Figure 29 Defeater Lever for Vertical Operator Handle ATTENTION When working on or near energized electrical equipment follow established electrical safety related work practices Refer to NFPA 70E Standard for Electrical Safety in the Workplace Personal protective equipment PPE is not shown for clarity ATTENTION When working on or near energized electrical equipment...

Page 64: ...ion To lock the small medium and large operator handle in the OFF O position put the shackle of the lock through the opening in the operator handle assembly The opening can accommodate up to three padlocks Figure 31 Locking Vertical Handles in OFF O Position ATTENTION When working on or near energized electrical equipment follow established electrical safety related work practices Refer to NFPA 70...

Page 65: ... the ON I Position Follow this procedure to lock the operator handle in the ON I position 1 Drill out the hole to 3 8 in 9 5 mm diameter maximum 2 Insert the shackle of the lock The following instructions assume that the handle is in the ON I position For units with small handles the hole is in the upper portion of the operator handle assembly For units with medium and large operator handles the h...

Page 66: ...cation 2100 IN012D EN P September 2010 Chapter 6 Operator Handle and Unit Interlock Figure 33 Locking Small Handle in ON I POSITION Vertical Operating Handle Figure 34 Locking the Medium Handle in ON I Position Drill Out Drill Out ...

Page 67: ...cking Large Handle in ON I Position Figure 36 Locking Horizontal Handle in ON I Position Unit Interlocks A unit interlock is provided with each plug in unit Unit interlocks prevent units from being removed from or inserted into a vertical section when the operator handle is in the ON I position Drill Out Drill Out Drill Out ...

Page 68: ...n In this position the unit is partially removed from the MCC and the slot in the interlock plate is in line with the flange of the unit support pan above this unit When the unit is locked in this position the unit power and ground stabs are disengaged This position can be used to prevent insertion of a unit into the MCC Figure 37 Unit Interlock to Prevent Insertion Vertical Operating Handler ATTE...

Page 69: ...this position the unit is partially removed from the MCC and the intermediate slot in the interlock plate is in line with the bushing in the unit support pan When the unit is locked in this position the unit power and ground stabs are disengaged This position can be used to prevent insertion of a unit into the MCC Figure 39 Unit Interlock to Prevent Insertion Horizontal Operating Handle ...

Page 70: ...nsertion Unit Completely Withdrawn ATTENTION When working on or near energized electrical equipment follow established electrical safety related work practices Refer to NFPA 70E Standard for Electrical Safety in the Workplace We recommend that maintenance performed on the MCC units be performed away from the MCC in a suitable work area when possible ...

Page 71: ...nuals and wiring diagrams Blank sample forms are provided at the end of this chapter Pre energizing Check Procedure The following procedures should be executed by a qualified person as defined by NEMA Standards Publication No ICS 2 3 Instructions for the Handling Installation Operation and Maintenance of Motor Control Centers Section 1 as follows 1 4 Qualified Person For the purpose of this guide ...

Page 72: ...ht hand side plate of frame mounted units See Joining and Splicing Vertical Sections publication 2100 IN010 for splicing information ATTENTION To ensure the safety of personnel performing the pre energizing check make sure the MCC remote power sources are disconnected and locked in the OFF O position Using a voltmeter verify that the MCC remote power sources are disconnected ATTENTION Power factor...

Page 73: ...d the effects of a fault current as detailed in Chapter 3 d Check that conduit and cabling are well supported For incoming line compartments 2 0 space factors 26 in 660 4 mm or less the incoming cables should be firmly secured halfway between the top of the section and the incoming line compartment terminals In a full section 6 0 space factor incoming line compartments the cables should be braced ...

Page 74: ...ve Units Technical Data publication 2100 TD001 and MCC Inverse Time Circuit Breakers in Combination NEMA Starter Soft Starter SMC and Variable Frequency AC Drive Units Technical Data 2100 TD002 for circuit breaker information in MCC units 12 Refer to the device instruction sheets or manuals supplied with the MCC for specific start up guidance Component devices in MCC units such as transfer switche...

Page 75: ...ir respective devices or shorted 17 Recheck that all barriers and parts that may have been removed during installation have been reinstalled Refer to your barrier checklist see step 7 18 Before closing the enclosure and or individual units remove all tools metal chips scrap wire and other debris from the MCC interior If there is an accumulation of dust or dirt clean out the MCC using a brush vacuu...

Page 76: ...ation resistance on a new installation at startup or energizing is 1 MΩ These readings may be recorded in the Megger Reading Recording Table This table allows for additional megger readings to be recorded during regular maintenance periods 20 Check that all arc resistant parts are installed See ArcShield Components for more information 21 Check that all unit latches are secure See Door Latch Posit...

Page 77: ...t Before Energizing Chapter 7 Door Latch Position Diagrams Figure 41 Vertical Wireway Door Figure 42 0 5 Space Factor and Units with Horizontal Disconnect Handles Standard Latches Arc Resistant Latches Standard Latches Arc Resistant Latches 0 5 Space Factor 1 Space Factor or Larger ...

Page 78: ...t Handles Standard Latches Arc Resistant Latches 1 Space Factor to 2 5 Space Factor 2 5 Space Factor or Larger An arc resistant latch is used for the center latch only for main incoming power units and 100 ms arc resistant rating For most units the center latch is a standard quarter turn latch For some units a multi turn latch is used Torque the latch to 20 lb in 2 lb in ...

Page 79: ...nt latches are vertical and the latch springs are compressed The spacing of the spring coils are decreased Figure 45 Spring Compression An arc resistant latch is used for the second and fourth positions Other latches are standard quarter turn All center latches are arc resistant latches for units with 100 ms arc resistant rating Arc Resistant Latches Standard Latches Uncompressed Spring Compressed...

Page 80: ...in deep right side visible ATTENTION Arc resistant CENTERLINE 2100 MCCs are provided with certain components to achieve the arc resistant rating These components must be in place prior to using the MCC in order to maintain the arc resistant capabilities TIP Not all of the components and features necessary for the arc resistant rating are shown in these images End Closing Plate Insulation Sheet ...

Page 81: ...TIVE DEVICE UL LISTED FUSES CLASS L FERRAZ SHAWMUT A4BQ 1200 A CLASS R ANY FUSE 600 A CLASS J ANY FUSE 600 A UL LISTED MOLDED CASE CIRCUIT BREAKERS ALLEN BRADLEY BULLETIN 140U FRAME I JD or K CUTLER HAMMER SERIES C FRAME F J K L M or N WARNING PER IEEE C37 20 7 2007 ARC FLASH HAZARD THE ARC CONTAINMENT CAPABILITY OF THE MOTOR CONTROL CENTER IS DEPENDENT UPON THE MAIN PROTECTIVE DEVICE PROTECT ONLY...

Page 82: ...25 in 31 8 mm 1 2 in 12 7 mm 251 600 1 in 25 4 mm 2 in 50 8 mm 1 in 25 4 mm 4 4 A through air spacing of not less than 1 2 in 12 7 mm is acceptable at a circuit breaker or fusible disconnecting means and between grounded dead metal and the neutral of a 277 480V three phase four wire MCC Table 8 Spacing Requirements within MCC Units 1 2 3 1 Reference Underwriters Laboratories Inc Standards for Moto...

Page 83: ...tion Vertical Wireway Horizontal Wireway Horizontal Wireway 1 0 S F 113 in 330 mm Unit Location Unit Data Cat No Wiring Diagram Size or Amp Rating Description Full Load Current Horsepower Overload or Heater Elements Kilowatts Circuit Breaker Trip Setting Power Fuse Rating 1A 2113B EDB 48CA CSXXXXXXXX 4 FVNR 77 60 W73 C 1E 2112A BDBD 24J 38 7FEC1A Y XXXXXX 1 FVNR 4 8 3 7FECIA 10 1G 2100 NJ30 N A Bl...

Page 84: ...eversing Vacuum INSRT Unit Insert LPAN Lighting Panel M BPS MAIN Bolted Pressure Switch M CB MAIN Circuit Breaker M FDS MAIN Fusible Disconnect Switch M LUG MAIN Line Lugs METER Metering Unit NCP Neutral Connection Plate NLD ControlNet to DeviceNet PLC Programmable Logic Controller RVAT Reduced Voltage Autotransformer SMC Solid State Motor Controller SPD Surge Protection Device TERM Terminal Unit ...

Page 85: ...pter 7 Table 11 MCC Layout Worksheet MCC Name Number ___________________________________________________________ Unit Location Unit Data Cat No Wiring Diagram Size or Ampere Rating Description Full Load Current Horsepower Overload or Heater Elements Kilowatts Circuit Breaker Trip Setting Power Fuse Rating ...

Page 86: ...Final Checklist Before Energizing Table 12 Megger Reading Recording Table MCC Name Number ___________________________________________________________ Date Circuit Unit Name Number Phase to Phase Phase to Ground Phase to Neutral A B B C C A A Grd B Grd C Grd A Neut B Neut C Neut ...

Page 87: ...all of the disconnects have been closed loads such as lighting circuits motor starters and contactors may be energized ATTENTION This procedure is provided as general guidance for energizing a newly installed CENTERLINE MCC and should be used after the Final Check procedure has been completed See Final Checklist Before Energizing for more information ATTENTION Energizing a MCC for the first time i...

Page 88: ...wer factor correction capacitors For more information on power factor capacitors and MCC units refer to the Power Factor Correction Capacitors for Bulletin 2100 Motor Control Center Starter Units Application Techniques publication 2100 AT001 b Verify that any acceleration times are within application specifications Excessive starting currents and acceleration times may cause inverse time circuit b...

Page 89: ...tactors circuit breakers disconnect switches relays and push buttons for wetness or signs of moisture corrosion or contamination d Replace damaged or malfunctioning parts 4 Check the integrity of bus splice connections Bus splices can be easily identified by the label on the interior of the vertical wireway door or on the interior right hand side plate of frame mounted units Recommended torque val...

Page 90: ...m or wipe contacts with a soft cloth to remove dirt as needed Contacts are not harmed by discoloration and slight pitting Contacts should never be filed as this could reduce the life of the contacts Contact spray cleaners should not be used as they cause sticking on magnetic pole faces or in operating mechanisms interfering with the electrical continuity of the contacts Contacts should be replaced...

Page 91: ... within the enclosure 18 Refer to individual user policies NFPA 70B Recommended Practice for Electrical Equipment Maintenance for MCC Servicing Guidelines Disconnect the Switch and Contact Lubrication If a switch that is used frequently becomes difficult to operate or is in a highly corrosive or caustic environment it may require lubrication The lubricant to be used is NO OX ID Compound catalog nu...

Page 92: ...th a noticeable film to both sides of the movable contact blades and to the adjacent insides stationary contacts and the hinge 5 Reinstall the arc hood that was removed in step 3 6 Reinstall the line guard cover that was removed in step 2 7 If the lubricated disconnect switch is housed in a plug in unit reinstall the unit For installation of unit refer to Installing Units with Vertical Operating H...

Page 93: ...ot taken electrical shock severe injury or death will result When working on or near energized electrical equipment follow established electrical safety related work practices Refer to NFPA 70E Standard for Electrical Safety in the Workplace Table 13 Temperature Guidance Category Temperature Differential 1 Temperature Rise 2 Repair Service C F C F Service Interval Recommended Action 1 10 18 70 126...

Page 94: ...e clips 3 If overheating has occurred as indicated by severe tarnishing infrared test results crystallization of insulation on conductors discoloration of the components darkening of the molding materials brittle conductor insulation or deformation and melting of parts replace the components that are suspect For more information contact Rockwell Automation LV MCC Technical Support at 1 440 646 580...

Page 95: ...De energize the MCC 2 Investigate the cause of the fault and inspect all equipment thoroughly per NEMA Standards publication ICS 2 3 1995 Instructions for the handling installation operator and maintenance of MCCs not rated more than 600V Section 11 Maintenance after a Fault has Occurred 3 Make necessary repairs to units components and structures as required prior to reenergizing the equipment Be ...

Page 96: ...96 Rockwell Automation Publication 2100 IN012D EN P September 2010 Chapter 10 Maintenance After Fault Condition Notes ...

Page 97: ...t design limitations and environmental considerations The total number of similar devices supplied as original equipment within the MCC Individual user policies governing spare parts Consideration should also be given to stocking complete units when the job site is in an area remote from a distributor or district sales office or when it is critical to maintain continuous operation of a system Orde...

Page 98: ...98 Rockwell Automation Publication 2100 IN012D EN P September 2010 Chapter 11 Renewal Parts Notes ...

Page 99: ...plate Vertical Wireway Door Vertical to Horizontal Bus Connection Access Cover Vertical Bus Support Cover Unit Support Pan Sealing Strap Top and Bottom Bottom Support Angle Bottom Horizontal Wireway Cover Left Hand Bottom End Closing Plate Horizontal Ground Bus Top or Bottom Left Hand Side Plate Assembly Vertical Plug in Ground Bus Left Hand Center End Plate Horizontal Power Bus Vertical Power Bus...

Page 100: ...cation Nameplate Diagram Pocket Captive Latch Starter or Contactor ControlCircuit Fuses and Fuse Block Auxiliary Contacts Control Transformer Fusing and Fuse Block Control Circuit Transformer not shown PowerandControl Terminal Blocks Short Circuit Rating Label UL Label Captive Latch Control Station Pilot Devices Reset Button Unit Support Pan Plastic Retaining Pin Overload Handle Cutout Unit Door D...

Page 101: ...g Handle and Door Mounted Pilot Devices Unit Support Pan Bushing Unit Support Pan Plastic Retaining Pin Unit Latch Interlock Pilot Devices Control Circuit Fuse block and Fuses Control Terminal Block Handle Mechanism Circuit Breaker shown or Fusible Disconnect Control Circuit Transformer Unit Stab Assembly Overload Relay Contactor or Starter Starter Unit Nameplate Unit Door ...

Page 102: ...Support Pan Bushing Unit Support Pan Plastic Retaining Pin Unit Latch Interlock Pilot Devices Control Circuit Fuse block and Fuses Control Terminal Block Handle Mechanism Circuit Breaker shown or Fusible Disconnect Control Circuit Transformer Unit Stab Assembly Overload Relay Contactor or Starter Auxiliary Contacts Unit Nameplate Unit Door Bulletin 2413 IEC Style Shown ...

Page 103: ...breakers 74 conduit 73 contactor and relay coils 91 disconnect handle 90 fuses 91 interlocking devices 90 locking devices 90 moisture 89 pilot lights 91 power contacts 90 wiring 73 check list 71 circuit breaker 74 conduit 41 bottom entry 41 top entry 41 contactor and relay coil check 91 cUL designation 12 D defeater lever 62 defeating unit door interlock 61 dimensions 9 20 23 24 disconnect handle ...

Page 104: ...s 38 joining and splicing new motor control centers 37 maintenance 89 mounting 24 mounting dimensions 23 operation 21 product construction 99 section installation 12 securing 24 seismic requirements 36 storage 21 weights 20 MCC receiving handling and storage 19 measuring temperature 93 moisture check 89 mounting dimensions 23 10 in wide 29 15 in and 20 in 25 15 in and 20 in corner sections 32 15 i...

Page 105: ...rements within the MCC 82 storage 21 support 94 support pan removal 57 ArcShield 57 swing out door latches 56 switch lubrication 91 T temperature guidance 93 measurement 93 test electrical insulation resistance 75 top entry conduit 41 U UL label 13 UL CSA marking 12 unit construction 99 description 84 door removal 49 53 horizontal handle removal 53 interlock 67 69 interlock lever 62 latches 50 ove...

Page 106: ...106 Rockwell Automation Publication 2100 IN012D EN P September 2010 Index ...

Page 107: ......

Page 108: ... a problem within the first 24 hours of installation review the information that is contained in this manual You can contact Customer Support for initial help in getting your product up and running New Product Satisfaction Return Rockwell Automation tests all of its products to ensure that they are fully operational when shipped from the manufacturing facility However if your product is not functi...

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