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Siemens tiastar Instruction Manual

Motor control centers
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INSTRUCTION MANUAL
tiastar
™
Motor Control Centers
usa.siemens.com/mcc

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  • Page 1 INSTRUCTION MANUAL tiastar ™ Motor Control Centers usa.siemens.com/mcc...
  • Page 2 Motor Control Centers Instruction Manual Hazardous voltage. Will cause death or serious injury. Always de-energize and ground the equipment before maintenance. Read and understand this manual before installing, operating or maintaining the equipment. Maintenance should be performed only by qualified personnel.

  • Page 3: Table Of Contents

    Should further information be desired or should particular problems arise which are not covered sufficiently for the purchaser’s purposes, the matter should be referred to the local Siemens sales office. The contents of this instruction manual shall not become part of or modify any prior or existing agreement, commitment or relationship.

  • Page 4: General Information

    Motor Control Centers Instruction Manual General information General information 1.1 Parts illustrations Standard bus Key to section construction features 1. Rear brace 7. Horizontal bus 12. Standard vertical bus brace 2. Side sheet assembly 8. Vertical bus, 300 A, 600 A, and 800 A 13.
  • Page 5 Motor Control Centers Instruction Manual General information 1.1 Parts illustrations (continued) Optional insulated vertical bus Key to section construction features (continued) 17. Wiretie support 21. Bottom horizontal wireway (6”) and formed cover plate 18. Vertical wireway 22. Bottom end cover plate 19.

  • Page 6: Receiving And Handling

    Motor Control Centers Instruction Manual Receiving and handling Receiving and handling 2.1 Receiving The lifting angles for each shipping group is attached to the associated wooden shipping skid. For lifting the shipping groups with a crane, as shown in Figure 1,...
  • Page 7 Motor Control Centers Instruction Manual Receiving and handling 4. It is recommended that a crane or hoist be used to handle the MCC if at all possible. If a crane or hoist is not available and other handling means...

  • Page 8: Skid Removal

    Motor Control Centers Instruction Manual Receiving and handling The following precautions should be taken when rigging to remove all slack without lifting the moving an MCC with a forklift: equipment. This is a recommended safety measure to reduce the possibility of tipping. The lag bolts may 1.

  • Page 9: Installation

    Motor Control Centers Instruction Manual Installation Installation 3.1 Installation quick check list – indoor MCCs only Incoming line connections Receiving ¨ ¨ Choose the shortest, most direct route from remote mains. Inspect package for damage. ¨ ¨ If cables cannot be directly routed to terminals, provide After unpacking, inspect equipment for damage in transit.

  • Page 10: Operating Environment

    Motor Control Centers Instruction Manual Installation 3.2 Operating environment 3.4 Mounting The motor control center conforms with the Motor control centers may be mounted by many provisions of NEMA Standard ICS 1, Altitude Class different fastening systems including true drop in,...

  • Page 11: Top And Bottom Covers

    Motor Control Centers Instruction Manual Installation 1½”(38 mm) (Typ.) Vertical bus 20” Mounting (508 mm) holes 20” Vertical bus 3” (76) 1½”(38 mm) (Typ.) (508 mm) 17” 3”(76) BB/bg” BB/bg” (348 mm) BB/bg” (500 mm) BB/bg” Typical BB/bg” Space open for...

  • Page 12: Installation Of Seismic Qualified Structures

    IBC 2015, CBC 2016 and IEEE 693. This includes are provided with the motor control center. all tiastar MCCs, all NEMA types and MCC sizes. 6. Torque all bus connections to 20 lbf-ft tiastar MCCs are rated at importance factor 1.5.
  • Page 13 Motor Control Centers Instruction Manual Installation Note: Do not use grommets on the back horizontal wireway openings of ‘front only’ sections. All dimensions are shown in inches unless otherwise specified. Figure 11...

  • Page 14: Splice Kits

    Motor Control Centers Instruction Manual Installation 3.9 Splice kits Note: For complete splice kit installation details, refer to instructions supplied with splice kits. Splice bar adapter Horizontal bus splice Bolts Parallel horizontal Belleville washer Figure 12: 1,200 A, 1,800 A L1 connection...

  • Page 15: Pull Box Installation

    Motor Control Centers Instruction Manual Installation Hazardous voltage. Will cause death or serious personal injury. Turn off power before working on this equipment. 3.10 Pull box installation Care must be exercised to make sure that the lugs which have been provided are suitable for use Refer to Figure 15 for the following procedure.
  • Page 16 Motor Control Centers Instruction Manual Installation Top view Top view front top plate removed Front view Front view (top wireway door - (top wireway door - not shown) not shown and barrier E installed) Pull box / top hat...

  • Page 17: Incoming Line Termination Arrangements

    3.12 Incoming line termination arrangements – main lug only (MLO) Horizontal lugs are available with 600 A, 42,000 A symmetrical bracing only (refer to Figure 16 on next page). Special lugs, such as NEMA two-hole compression lugs, can be accommodated. Consult Siemens for space requirements. Figure...

  • Page 18: Main Lugs

    Motor Control Centers Instruction Manual Installation 3.12 Main lugs (508) (508) (508) (508) Figure 17 Figure 18 Figure 19 Figure 16 (305) (305) 6 (152) 6 (152) (508) (762) (762) Figure 20 Figure 21 Figure 22 All dimensions are shown in inches (mm) unless otherwise specified.

  • Page 19: Incoming Line Termination Arrangements

    Motor Control Centers Instruction Manual Installation 3.13 Incoming line termination arrangements –main circuit breakers (MCB) Molded-case, thermal-magnetic circuit breakers, molded-case, solid-state circuit breakers, and insulated case WL power circuit breakers can be used as mains in the LV MCC. These circuit breakers are 80-percent rated. 100-percent rated options are also available per the below.

  • Page 20: Main Circuit Breakers

    Motor Control Centers Instruction Manual Installation 3.13 Main circuit breakers (508) (508) (508) (508) (508) (508) Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 12 (305) 12 (305) 12 (305) 12 (305) 6 (152) 6 (152)

  • Page 21: Main Fusible Switches

    Motor Control Centers Instruction Manual Installation 3.14 Incoming line arrangements – main disconnect switches (MDS) Main fusible switches consist of the following: • 600 A to 100 A, Class R fuse clips • 200 A to 600 A, Class R fuse holder •...
  • Page 22 Motor Control Centers Instruction Manual Installation 3.14 Main disconnect switches (508) (508) (508) (508) (508) (508) Figure 34 Figure 35 Figure 36 Figure 37 Figure 38 Figure 39 12 (305) 12 (305) 6 (152) 6 (152) (508) (508) (508)

  • Page 23: Load And Control Wiring

    Motor Control Centers Instruction Manual Installation 3.15 Load and control wiring 3.15.3 NEMA type C wiring All interconnections between devices within each Motor control centers equipped with NEMA type C control unit are prewired at the factory. Field wiring...

  • Page 24: Field Additions

    Motor Control Centers Instruction Manual Installation 3.16 Field additions Field additions may be made to the motor control center if the current rating of the main or vertical bus is not exceeded. The preparation of the floor and conduit is the same as in a new installation.
  • Page 25 Motor Control Centers Instruction Manual Installation Figure 50 Figure 53 Figure 51 Figure 54 5. Disconnect control and load wiring. 7. Pilot devices are mounted in a pilot device panel attaches to the unit door with two captive screws.
  • Page 26 Motor Control Centers Instruction Manual Installation 9. To re-install the pilot device panel on the unit 10. If so equipped, the SAMMS panel may be door, place the bottom pilot device panel screw released by loosening the captive screw a few...

  • Page 27: Plug-In Unit Addition

    Motor Control Centers Instruction Manual Installation 8. Follow procedures for connecting outgoing 3.18 Plug-in unit addition power and control wiring. 9. Close the door and perform all pre-operation check procedures. Hazardous voltage. Will cause death or serious personal injury.

  • Page 28: High Density Unit Installation

    Motor Control Centers Instruction Manual Installation 3.19 High density unit 3.19.2 Terminal block swing plate installation 1. To wire the unit, rotate the terminal block swing plate as shown in Figure 65. 2. Route the wires from he vertical wireway into the unit behind the Hazardous voltage.

  • Page 29: Insulation (Megger) Test

    Motor Control Centers Instruction Manual Installation 3.19.4 Hinge installation 1. Remove the existing hinge (if present) in the Hazardous voltage. 6” space. Will cause death or serious personal injury. 2. Install the unit support bracket per 89-H2B The main disconnect must be in the installation manual unit only.
  • Page 30 Motor Control Centers Instruction Manual Installation 3.20.2 Branch disconnects “ON” Before taking a reading with the branch disconnects Hazardous voltage. “ON”, disconnect all devices completing circuits Will cause death or serious personal injury. between phases or between phases and neutral such The main disconnect must be in the as control transformers.

  • Page 31: Operation

    Motor Control Centers Instruction Manual Operation Operation 4.1 Pre-energization checks After installation, field addition, or maintenance, Hazardous voltage. perform the following checks before energizing Will cause death or serious personal injury. equipment: Never operate any contactor, relay, or switch unless its arc chute is 1.

  • Page 32: Energizing Equipment

    Motor Control Centers Instruction Manual Operation 19. Make sure the door interlocks on all disconnect 10. Current transformers to which customer devices operators are properly adjusted and secured. will be connected, are shipped with their If adjustment is required, use the procedure secondaries shorted.

  • Page 33: Permissible Loading Of Motor Control Centers

    Motor Control Centers Instruction Manual Operation 4.3 Permissible loading of 4. For branch-circuit overcurrent protective devices in a motor control center, the total continuous motor control centers load current on the protective device should not 1. For motor control centers without main...

  • Page 34: Maintenance

    Should further information be desired or in the disconnect operating handle. should particular problems arise which are not covered sufficiently for the purchaser’s purposes, the matter should be referred to the local Siemens Field additions of sections (Page 13) sales office.

  • Page 35: General Inspection Of The Mcc

    Motor Control Centers Instruction Manual Maintenance The following items should be included in any maintenance checklist. For more details read the succeeding pages. Hazardous voltage. Failure to check this equipment • General inspection of the MCC prior to energization can cause death or serious personal injury.

  • Page 36: Periodic Cleaning

    Motor Control Centers Instruction Manual Maintenance 4. Examine insulation on conductors for 5. Unit identification number. The number is overheating or chafing against metal edges located on a label on the side of the control that could progress into an insulation failure.

  • Page 37: Stab Fingers And Vertical Bus

    Motor Control Centers Instruction Manual Maintenance 5.4 Stab fingers and vertical bus 5.6 Disconnect operating handle adjustment Look for wear of the tin plating where the unit stab fingers engage the vertical bus. The plating is part of the environmental protection system. Oxide and/or other films can form on exposed bus resulting in a Hazardous voltage.
  • Page 38 D 6 8 2 5 7 4 0 8 * ** 2° X:\STD\D68\257408-AA.DWG This print is the confidental property of Siemens Energy & Automation, Inc. It is not to T O O L N O . T Y P E O F T O O L...

  • Page 39: Adjustment Notes

    Motor Control Centers Instruction Manual Maintenance A provision is made for qualified persons to defeat Bus – Retighten all bus connections. Replace burnt the door operator interlock when the handle is in the or melted bus or bus with melted, worn, or damaged “ON”...

  • Page 40: Terminals Of Internal Conductors

    Motor Control Centers Instruction Manual Maintenance 5.11 Adjustment of ETI instantaneous trip motor circuit interrupter (1A-125 A) Hazardous voltage. Will cause death or serious personal injury. Disconnect and lock-out all power and control voltage sources supplying the motor circuit interrupter before...

  • Page 41: Field Testing Of The Circuit Breakers

    Motor Control Centers Instruction Manual Maintenance 5.12 Field testing of the 5.13 Overload relay circuit breakers For proper overload relay coordination, the cables on the load side of the overload relay should be sized A test can be performed using the procedure...
  • Page 42 Motor Control Centers Instruction Manual Maintenance 3VA Molded Case Circuit Breakers 3VA Molded Case Switch and Motor Circuit Protector Motor circuit protector TM120M AM Motor circuit protector TM120M AM Maximum Instantaneous Maximum Instantaneous Frame Ampere short circuit Frame Ampere...
  • Page 43 — — — — — — — 1000 FXD62A JXD62H LXD62H MXD62A Contact Siemens Sales Office for settings with current limiters. HEM setting positions Trip setting positions NEMA Catalog Number Contact Amps Starter Size HEM3M003L HEM3M007L HEM3M015L HEM3M030L HEM3M050L HEM3M070L...

  • Page 44: Troubleshooting

    Motor Control Centers Instruction Manual Troubleshooting Troubleshooting The following information is required if it is necessary to write Siemens Controls relative to the equipment problem. Hazardous voltage. Will cause death or serious 1. Manufacturer’s order number and part number, personal injury.
  • Page 45 Motor Control Centers Instruction Manual Troubleshooting Hazardous voltage. Will cause death or serious personal injury. Disconnect power before working on this equipment. Problem Probable cause Corrective action Overload relays trip during starting or Motor overloaded. Limit starting load and running load to soon after motor is up to speed.
  • Page 46 Motor Control Centers Instruction Manual Troubleshooting Hazardous voltage. Will cause death or serious personal injury. Disconnect power before working on this equipment. Problem Probable cause Corrective action Blowing of motor power fuses. Short circuit on the load side of the motor fuses.

  • Page 47: Heater Tables

    Motor Control Centers Instruction Manual Heater tables Heater tables Full load mo. Full load mo. Full load mo. Full load mo. Heater Max. rat. Heater Max. rat. Heater Max. rat. Heater Max. rat. amps amps amps amps code of prot.
  • Page 48 Motor Control Centers Instruction Manual Heater tables K "Standard trip" heater elements for ambient temp. comp. bimetal relays Size Heater Code 00, 0 1, 1 3/4 2, 2 1/2 3, 3 1/2 4 (JB) 4 (JG) 4 1/2, 5 196-213 1.52-1.65...

  • Page 49: Disposal

    Motor Control Centers Instruction Manual Disposal Disposal Siemens equipment is environmentally friendly WARNING WARNING WARNING product predominantly consisting of recyclable materials. For disposal, some disassembly,  Stored energy.   separation, and professional services handling may  Can cause death, serious injury, or ...
  • Page 50 Motor Control Centers Instruction Manual Notes Notes...
  • Page 51 Motor Control Centers Instruction Manual Notes Notes...
  • Page 52 This document contains a general description of available technical options only, and its effectiveness will be subject to specific variables Siemens Industry, Inc. including field conditions and project parameters. Siemens does not 7000 Siemens Road make representations, warranties, or assurances as to the accuracy or Wendell, North Carolina 27591 completeness of the content contained herein.

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