Eaton Ampgard AR Instruction Booklet
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Eaton Ampgard AR Instruction Booklet

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Instruction Booklet IB48088
Instructions for Eaton's 7 .2 kV Ampgard AR
(Compliant to IEEE C37 .20.7-2017)
Contents
Description
Section 1. Introduction . . . . . . . . . . . . . . . . . . . . . . 2
1.1 Purpose . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.3 Identification . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.4 Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.5 Product description . . . . . . . . . . . . . . . . . . . . 4
1.6 Main bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1.7 Sound levels . . . . . . . . . . . . . . . . . . . . . . . . . 8
1.8 Modifications to equipment . . . . . . . . . . . . . 8
1.9 Documentation reference . . . . . . . . . . . . . . . 8
1.10 Eaton contact information . . . . . . . . . . . . . 8
2.1 Receiving . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2 Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3 Storing equipment . . . . . . . . . . . . . . . . . . . . 9
Section 3: Installation . . . . . . . . . . . . . . . . . . . . . 10
3.1 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Section 4: Common configurations . . . . . . . . . . . 11
5.1 Receiving . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.2 Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.3 Access to equipment . . . . . . . . . . . . . . . . . 17
5.4 Exhaust duct . . . . . . . . . . . . . . . . . . . . . . . 17
5.5 Medium-voltage cableways . . . . . . . . . . . . 20
5.6 Installing the plenum . . . . . . . . . . . . . . . . . 21
6.1 Arc gas vent area . . . . . . . . . . . . . . . . . . . . 27
Section 8: Renewal parts . . . . . . . . . . . . . . . . . . 29
Read and understand all the markings, labels, and
instructions before attempting installation, opera-
tion, or maintenance of this equipment.
This equipment must be installed and serviced
only by qualified electrical personnel. Retain this
document for future use.
Page

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Summary of Contents for Eaton Ampgard AR

  • Page 1: Table Of Contents

    1.9 Documentation reference ....8 1.10 Eaton contact information ... . . 8 Section 2: Receiving, handling, and storing ..9 2.1 Receiving .

  • Page 2: Effective July 2021

    ING, OR MAINTAINING THIS EQUIPMENT. Installation of the plenum and duct. • The purpose of Ampgard AR is to control and protect medium m WARNING voltage motors. But it may also be used as a feeder for transform- ers, capacitors, and other loads. Ampgard AR provides a wide...

  • Page 3: Ratings

    Figure 1. Typical locations of the rating nameplates. 1.4 Ratings Ampgard AR meets the requirements of UL 347 as applied to metal enclosed medium voltage industrial equipment. Table 1 and Table 2 show the ratings of Ampgard AR. Table 1. Electrical ratings.

  • Page 4: Product Description

    1.5 Product description The controller consists of a non-load break isolation switch, medium Ampgard AR controllers are supplied with Eaton type CLS or HLE voltage current-limiting fuses, one or more Type SL vacuum-break current-limiting power fuses. The controller includes bolt-in, current- contactors, a set of current transformers, plus control and protection limiting power fuses.
  • Page 5 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) 11. Once the fuse are in place, reach above the top Ferrell of one of Isolation the fuses and pull the blown fuse indicator down to rest on top switch of the fuse Ferrell.
  • Page 6 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Isolation switch position view window Sealing IR window gaskets (option) Test plug Figure 7. Low voltage control compartment.

  • Page 7: Main Bus

    Effective July 2021 (Compliant to IEEE C37.20.7-2017) 1.6 Main bus Ampgard AR line-up comes with a 15.3 in. (38.87 cm) tall main bus LV horizontal wireway enclosures mounted on top of the 80 in. (203.20 cm) tall vertical access cover sections.

  • Page 8: Sound Levels

    1.10 Eaton contact information The sound developed during an arc fault event is significant and is For the location of your nearest Eaton sales office or distributor, call not completely predictable due to the nature of the arc fault. Sound toll-free 1-800-525-2000 or visit www.eaton.com/electrical.

  • Page 9: Section 2: Receiving, Handling, And Storing

    2.2 Handling 219 (99) (End line-up) 1200 1974 (895) 800 A starter An Ampgard AR is equipped with insulated components for medium 36 (914) (1-high) 2000 2008 (911) voltage and must be protected against damage during handling. The controller should always remain upright. Exercise extreme care...

  • Page 10: Section 3: Installation

    Conduit projection must not exceed 2.00 in. (50.8 mm). 5. Minimum clearance to the side of an Ampgard AR MV MCC. 6. Minimum front clearance recommended. In addition, the local authority having jurisdiction may also require a larger distance.

  • Page 11: Section 4: Common Configurations

    (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Section 4: Common configurations The Ampgard AR can be configured in one of the following ways shown below: Figure 13. Exhaust duct exiting the plenum. Figure 14. Exhaust duct manifold (side[s] ONLY).
  • Page 12 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Figure 14. 50 kA arc resistant line-up. (Shown with dual exhaust manifold on the RHS of the line-up.)

  • Page 13: Close-Coupled Ampgard Arc Resistant Mvcc And Eaton Vacclad Switchgear

    A 4 in. (10.16 m) transition section is required on the 3. From inside the switchgear section, the threaded holes in the Ampgard AR end and a 36 in. (91.44 m) transition section is required Ampgard 4 in. (10.16 m) transition section should be clearly on the VacClad end.
  • Page 14 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) 5. Make all bus splice connections. Torque per Table 6. 6. Cover all bus connections with the supplied bus boots.
  • Page 15 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Figure 17. 50 kA arc resistant line-up. (Shown with close-coupled with VacClad switchgear - rear aligned. EATON www.eaton.com...
  • Page 16 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Figure 18. 50 kA arc resistant line-up. (Shown with close-coupled with Eaton SC9000 frame-D medium voltage drive. EATON www.eaton.com...

  • Page 17: Section 5: Duct And Plenum Installation

    45 degrees from the vertical - use a spreader beam if necessary, to correct this condition. Remove the shipping braces before setting Ampgard AR equipment is only complete when a plenum and arc the plenum. After the shipping section has been moved into instal- exhaust ducts are correctly installed.
  • Page 18 • Duct must be supported at least every 120 in. (3 m) in both the • duct elbow, and duct end assembly. Contact Eaton for more horizontal and vertical directions. Standard hanging straps may information. be used, however the support hardware may not be drilled or screwed into the duct.
  • Page 19 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Figure 21. Exhaust duct components (3). EATON www.eaton.com...

  • Page 20: Medium-Voltage Cableways

    If an option for top-entry cableway was picked for a structure, the THE PLENUM LIFTING PLATES ARE MEANT FOR LIFTING THE PLENUM Ampgard AR will come with a medium-voltage cableway. ASSEMBLY ONLY The medium-voltage cableway is shipped preassembled in a box.

  • Page 21: Installing The Plenum

    Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) 5.6 Installing the plenum ote: For the ease of assembly, install the plenum assemblies to the top of the equipment and tighten the bolts just enough to hold everything in place safely.
  • Page 22 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Figure 24. Installing the plenums. 4. Install the reinforcement angle parts as shown in Figure 25 and Figure 26.
  • Page 23 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Figure 25. Installing the reinforcement angles. Figure 26. Securing the reinforcement angles. EATON www.eaton.com...
  • Page 24 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) 7 . If an option of exhaust duct exiting the plenum wall is picked, e. Use 1/4 in.-20 bolts, lock washers, flat washers, and nuts one or two of the plenums in the line-up will have the square included in hardware kit #25A4361G04.
  • Page 25 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Figure 28. Seam covers installation. 11. Install the seam cover, part #87C1093H15, over the adjoining Table 6. Plenum assembly torque specifications.
  • Page 26 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Figure 29. Holes used to attach the MV plenum conduit to the plenum roof. 19. Install the arc gas deflector parts as shown in Figure 30. Use hardware kit #25A4361G13 to install it to the front and the rear of the main bus enclosure.

  • Page 27: Section 6: Designated Arc Gas Vent Area

    70E and determined by IEEE 1584. exposure to the arc. To mitigate these hazards, Ampgard AR vents the hot arc gases produced away from designated areas and the personnel that could be present.
  • Page 28 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Top view Side view Figure 32. Additional minimum requirements for the arc gas vent area. Table 7. Duct end assembly requirements.

  • Page 29: Section 7: Inspection And Maintenance

    Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Section 7: Inspection and maintenance Section 8: Renewal parts Ensure that the plenum and duct have no loose or missing hard- When ordering renewal or spare parts, include as much information ware.
  • Page 30 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Notes: EATON www.eaton.com...
  • Page 31 Instruction Booklet IB48088 Instructions for Eaton’s 7.2 kV Ampgard AR (arc resistant motor control center) Effective July 2021 (Compliant to IEEE C37.20.7-2017) Notes: EATON www.eaton.com...
  • Page 32 THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or other-wise for any special, indirect, incidental or consequential damage or loss...

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