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GE ReliaGear LV MCC Installation, Operation And Maintenance Manual
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GE ReliaGear LV MCC Installation, Operation And Maintenance Manual

Low voltage motor control center
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I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N UA L
ReliaGear™ LV MCC
Low voltage motor control center

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Summary of Contents for GE ReliaGear LV MCC

  • Page 1 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N UA L ReliaGear™ LV MCC Low voltage motor control center...
  • Page 3 Table of contents Safety measures and classifications 05 – 06 Introduction 07 – 09 Receiving, handling and storage 10 – 33 Installation 34 – 35 Testing and inspection 36 – 37 Operation 38 – 39 Maintenance 40 – 41 Reference document numbers 42 –...
  • Page 4 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Safety measures and classifications Read the following hazard classifications carefully, This document is based on information available and fully inspect the equipment for any identifiable...
  • Page 5 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L Introduction —...
  • Page 6 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — General description – motor control center buses An optional vertical ground bus can be provided in The main horizontal power bus is located at the top each section providing additional grounding.

  • Page 7: Receiving, Handling And Storage

    I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L Receiving, handling and storage Receiving Inspecting for damage...
  • Page 8 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — MCC enclosure lifting Not furnished with equipment Using standard lifting angles or lifting eyes...
  • Page 9 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...

  • Page 10: Installation

    R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Installation General In locating the MCC, adequate aisle space must be This section contains complete instructions for provided at the front and rear of the equipment to installing ReliaGear LV Motor Control Center (MCC).
  • Page 11 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...
  • Page 12 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — Indoor enclosures NOTICE Elevation and Mounting End view standard 30"...
  • Page 13 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...
  • Page 14 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — Installation of bottom entry conduits A"...
  • Page 15 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...

  • Page 16: Installation Of Flooring

    R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — Installation of flooring NOTICE For most installations, the MCC floor sills can rest Control center floor sills...
  • Page 17 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...

  • Page 18: Equipment Wiring

    R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — (Effectively 3 ft insulated) General Working Electric...
  • Page 19 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...
  • Page 20 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — NEMA 3R outdoor enclosure installation Front left post NEMA 3R outdoor Fasten with...
  • Page 21 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...
  • Page 22 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — High heat loss components, including certain solid During and after the cable installation, observe the state power devices, may require removal of excess following rules:...
  • Page 23 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...
  • Page 24 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — Wiring NEMA type B motor control centers Wiring NEMA type C motor control centers Use the following procedure to wire NEMA Master terminal boards in NEMA Type C motor...
  • Page 25 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...
  • Page 26 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — Use the following procedure to install a motor control center unit: View of the snap-in shelf as installed...
  • Page 27 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...
  • Page 28 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — Operating handle The operating handle must be moved out of the The door cannot be opened when the way to access the breaker disconnect.
  • Page 29 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...
  • Page 30 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — Installing and removing circuit breakers Installation procedures 67 Breaker installation To Install the Emax 2 circuit breaker, proceed as...
  • Page 31 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...
  • Page 32 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R — Removing the circuit breakers Suggested lifts for PB II breakers 70 Starter breaker module •...
  • Page 33 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L —...

  • Page 34: Testing And Inspection

    R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Testing and inspection After the equipment has been installed and all Breaker operation test connection made, it must be tested and inspected All compartments housing PBII / Emax 2 circuit...
  • Page 35 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L Ground-fault protection field connection and Never disengage the trip unit on a breaker that is CAUTION...

  • Page 36: Operation

    R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Operation Preparing for initial operation CAUTION In addition to the normal circuit checking after wiring is completed, the following specific actions...
  • Page 37 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L 15.

  • Page 38: Maintenance

    R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Maintenance Equipment maintenance 9. Check all unit door interlocks for proper operation.
  • Page 39 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L Ambient temperature and circuit loading 3.
  • Page 40 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Reference document numbers Website reference - library.abb.com •...
  • Page 41 • 1SDH001821A1002 Tmax XT7 TU's manual Because of the variety of components furnished in • 1SDC210099D0205 Tmax XT low voltage molded the ReliaGear LV MCC motor control center, the case circuit breakers - wiring diagrams, suggested spare parts will vary. You should characteristics curves &...

  • Page 42: Overload Heaters

    R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Overload heaters Heaters for ther-mag circuit breaker controllers Size 0 and 1 (Standard and Ambient Comp.) (Continued) For continuous-rated motors with a service factor...
  • Page 43 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L Size 3 (Standard and Ambient Comp.) Size 5 (Standard and Ambient Comp.) Motor Full-...
  • Page 44 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Size 0 and 1 (Standard) Size 0 and 1 (Ambient Comp.) Mag-Break Trip Motor Full- Load...
  • Page 45 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L Size 2 (Standard) Size 3 (Standard and Ambient Comp.) Motor...
  • Page 46 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Size 4 (Ambient Comp.) Size 0 and 1 (Standard) Mag-Break Trip Motor...
  • Page 47 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L Size 0 and 1 (Ambient Comp.) Size 2 (Standard) Motor Full-...
  • Page 48 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Size 3 (Standard and Ambient Comp.) Size 4 (Ambient Comp.) Mag-Break Motor Full-...
  • Page 49 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L Size 4 (Ambient Comp.) Size 6 –...
  • Page 50 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Size 5 – 300:15 CT (Standard and Ambient Comp.) Opening of the fuse(s) may be an indication that a WARNING fault current has been interrupted.
  • Page 51 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L Size 3 (Standard) Size 1 (Standard and Ambient Comp.) Motor Full-...
  • Page 52 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Size 5 – 300:15CT (Standard and Ambient Comp.) CAUTION Motor Full-Load Additional motor overload protection required for...
  • Page 53 I N S TA L L AT I O N , O P E R AT I O N S A N D M A I N T E N A N C E M A N U A L Overload heaters for controllers with NEMA Provide short-circuit protection in accordance with Size 7 starters for standard and ambient-...
  • Page 54 R E L I A G E A R LV M C C LO W V O LTA G E M OTO R C O N T R O L C E N T E R Catalog numbers of electronic overloads IEC style overload relays for various sizes of NEMA starters and C2000 contactor CLNCJ type RT overload relay...
  • Page 56 ABB Inc. 305 Gregson Drive Cary, NC 27511 abb.com/contacts abb.com/lowvoltage GE is a trademark of GE. Manufactured by ABB Inc. under license from General Electric Company. — The information contained in this document is for general information purposes only. While ABB strives to keep...