GE AKD-20 AR Installation And Maintenance Manual
  1. Manuals
  2. Brands
  3. GE Manuals
  4. Industrial Equipment
  5. AKD-20 AR
  6. Installation and maintenance manual

GE AKD-20 AR Installation And Maintenance Manual

Entellisys ar low-voltage switchgear
Hide thumbs
Table of Contents

Quick Links

GE
Industrial Solutions
DEH-41473 Installation and Maintenance Manual
AKD-20 AR / Entellisys AR
Low-voltage Switchgear
Courtesy of NationalSwitchgear.com
Table of Contents
loading

Related Manuals for GE AKD-20 AR

Summary of Contents for GE AKD-20 AR

  • Page 1 Industrial Solutions DEH-41473 Installation and Maintenance Manual AKD-20 AR / Entellisys AR Low-voltage Switchgear Courtesy of NationalSwitchgear.com...
  • Page 2 Courtesy of NationalSwitchgear.com...

  • Page 3: Table Of Contents

    EntelliGuard Messenger (Entellisys AR Only) ......10 Breaker Operation Test ................. 46 Instrument/Auxiliary Compartment ......... 10 EntelliGuard Trip Units (AKD-20 AR Only) ....... 46 Entellisys Instrument/Auxiliary Compartment (Entellisys Entellisys System Test Kit (Entellisys AR Only) ...... 47 AR Only) ....................11 Final Steps to be taken Before Energizing Equipment ..
  • Page 4 Appendix A. Torque Values ............65 Appendix B. Circuit Breaker Rejection Feature ..... 66 General ......................66 Rejection Feature ..................66 Appendix C. EntelliGuard G Rejection Features (AKD-20 AR Only) ................67 Envelope 1 Rejection Features ............67 Envelope 2 Rejection Features ............68 Envelope 3 Rejection Features ............

  • Page 5: General Information

    No warrantees of merchantability or fitness for purpose shall apply. Contact your local sales office if further information is required concerning any aspect of AKD-20 AR or Entellisys AR switchgear and EntelliGuard G or EntelliGuard E breaker operation or maintenance.

  • Page 6: Section 1. Introduction

    Information that is applicable only to Information and procedures in this instruction manual are AKD-20 AR will be marked as (AKD-20 AR Only) and divided into sections as follows: information that is applicable to Entellisys AR will be Section 1, Introduction marked as (Entellisys AR Only).

  • Page 7: Section 8, Operating The Switchgear

    Section 9, Energizing the Switchgear In addition to instruction manuals, the following drawings will Outlines the steps to be taken before and during the electrical be supplied as required for each order of AKD-20 AR and energization of the equipment. Entellisys AR switchgear equipment.

  • Page 8: Section 2. Receiving, Handling, And Storage

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 2. Receiving, Handling, and Storage Section 2. Receiving, Handling, and Storage Receiving Equipment Packaging Figure 2.1 Packaging of loose material for shipment Every package leaving the factory is plainly marked with the case number, requisition number, and customer's order number.

  • Page 9: Handling

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 2. Receiving, Handling, and Storage Handling Figure 2.4 Recommended lifting of indoor enclosure NOTICE: It is preferable to leave the shipping skids in place under the switchgear until it reaches its final location. The equipment should be installed in its final location prior to installing the circuit breakers.

  • Page 10: Rollers

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 2. Receiving, Handling, and Storage Rollers Figure 2.5 Positioning forklift tines If crane facilities are not available, the equipment may be moved into position by means of construction rollers placed under the shipping skids. The switchgear may be raised enough for the placement of rollers by means of a forklift.

  • Page 11: Storage

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 2. Receiving, Handling, and Storage Storage Circuit Breakers Switchgear If circuit breakers are not to be placed into service at once, If it is necessary to store the switchgear equipment for any...

  • Page 12: Section 3. Switchgear Description

    Instrument Panel for each breaker compartment. Figure 3.1 is a side view of a typical section showing compartmentation. Figure 3.1 Side view section of AKD-20 AR low-voltage switchgear EXTERNAL EXHAUST PLENUM ©2016 General Electric. All rights reserved.

  • Page 13: Summary Description

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 3. Switchgear Description Summary Description General Electric low-voltage switchgear is a freestanding The breaker compartments include draw-out rails, stationary assembly of metal-enclosed sections containing low-voltage breaker contacts, interlocks, and necessary control and power circuit breakers, bus bars, cable termination provisions, indicating devices.
  • Page 14 AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 3. Switchgear Description Figure 3.3 Outline of typical arc resistant low-voltage switchgear (side view)     Front Compartments & Breaker Compartments Bus and Cable Compartment Plenum Flange Exhaust Plenum System Table 3.1 Arc resistant low-voltage switchgear assembly depths...

  • Page 15: Front Compartments

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 3. Switchgear Description Front Compartments The front enclosure of each section is divided into individual Figure 3.4 AKD-20 AR instrument panel compartments. These compartments house either a low- voltage power circuit breaker or are used to mount ...

  • Page 16: Entellisys Instrument/Auxiliary Compartment

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 3. Switchgear Description Entellisys Instrument/Auxiliary Compartment Figure 3.8 Entellisys instrument/auxiliary compartment (Entellisys AR Only) Each Entellisys AR low-voltage switchgear lineup contains  standard devices housed within the instrument  compartments (Figure 3.8). Two CPUs (Central Processing Units) provide the processing capability to support all ...

  • Page 17: Circuit Breaker Compartments

    Up to two key interlocks may be provided in the breaker  compartment fascia (Figure 3.12). If the application does not require a key interlock(s), metallic key interlock plug(s), GE #GM2KIP, are provided. WARNING: The EntelliGuard racking handle must be...
  • Page 18 AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 3. Switchgear Description Installing and removing of the circuit breaker from the Movement of the breaker between the CONNECTED, TEST, compartment is covered in SECTION 6 of this instruction and DISCONNECTED positions is performed by the use of a manual.

  • Page 19: Primary Disconnect Shutter

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 3. Switchgear Description Primary Disconnect Shutter Figure 3.15 Primary disconnect shutter (closed) DANGER: Electrical arc flash hazard. Personal  protection equipment required. Turn off power to the equipment before working inside.

  • Page 20: Breaker Compartment Door

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 3. Switchgear Description Breaker Compartment Door Figure 3.17 Breaker compartment door (opened) Each circuit breaker compartment door is provided with two self-latching mechanisms with a single “T”-shaped door handle (Figure 3.18).

  • Page 21: Circuit Breakers

    General Electric EntelliGuard circuit breakers form the complete family of breakers used in the AKD-20 AR and Entellisys AR switchgear. Each type of breaker listed in Table 3.3describes the breaker interrupting rating which corresponds to the 5 digit of the breaker catalog number.

  • Page 22: Bus Area

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 3. Switchgear Description Bus Area Figure 3.21 Bus construction DANGER: Electrical arc flash hazard. Personal protection equipment required. Turn off power to the equipment before working inside.  The bus area (Figure 3.21) contains the main horizontal bus ...

  • Page 23: Insulated/Isolated Bus System

    A bus insulation system (Figure 3.24) that fully insulates and isolates each phase of the horizontal main bus and isolates each phase of the vertical bus, is available for AKD-20 AR and Entellisys AR switchgear as standard construction. With the INSULATED/ISOLATED BUS system, there are no live ...

  • Page 24: Cable Compartment

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 3. Switchgear Description Cable Compartment Figure 3.27 Control wiring termination trough DANGER: Electrical arc flash hazard. Personal protection equipment required. Turn off power to the equipment before working inside. The rear cable and terminal compartment (Figure 3.26) provides for cable installation and terminations.

  • Page 25: Ground Bus

    Section 3. Switchgear Description Ground Bus Figure 3.29 Ground bus All General Electric AKD-20 AR and Entellisys AR switchgear sections are grounded to the internal equipment ground bus (Figure 3.29) located at the bottom or the top of the cable...

  • Page 26: Section 4. Equipment Installation

    Section 4. Equipment Installation General Foundation Requirements This section contains complete instructions for installing General Electric AKD-20 AR and Entellisys AR low-voltage switchgear. For optimum performance of your General Electric switchgear equipment, the foundation requirements expressed in this All expendable hardware for shipping purposes only, is section should be strictly adhered to.

  • Page 27: Foundation Preparation

    Figure 4.2 cover the entire standard (grade 5 load rating). enclosures available for AKD-20 AR and Entellisys AR switchgear. The floor channels under the front and rear switchgear anchor points (Figure 4.2) should be embedded in a level...
  • Page 28 AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 4. Equipment Installation Figure 4.2 Indoor enclosure anchor locations ©2016 General Electric. All rights reserved. Courtesy of NationalSwitchgear.com...
  • Page 29 Note 2: Neutral Bus (Optional) (AKD-20 AR Only). When this option is provided and the neutral bus and cable entry is located both bottom or top, it will reduce the available cable space.

  • Page 30: Assembly And Installation Of Switchgear

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 4. Equipment Installation Assembly and Installation of Switchgear General Before assembling or installing the switchgear equipment, all NOTICE: In the event the lifting plates must be reassembled components should be available at the site location. This will...
  • Page 31 DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 4. Equipment Installation Remove the Shipping Skids Figure 4.5 Attachment method to shipping skids The equipment is fastened to the shipping skids with ½ inch lag bolts through the equipment anchoring holes (Figure 4.5).
  • Page 32 AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 4. Equipment Installation Complete the Electrical Interconnections Figure 4.8 Typical locations of buses at shipping splits After completing the mechanical connections between the several sections of equipment, the electrical interconnections should be completed. This includes the installation of splice plates for the main bus bars, the neutral bus, and the ground bus in addition to the control and metering circuits.
  • Page 33 DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 4. Equipment Installation Figure 4.10 Neutral bus splice installation (plan view) Neutral Bus Interconnections (Optional) The neutral bus is insulated from the grounded frame of the switchgear equipment; thus, it is mounted on insulators throughout the equipment.

  • Page 34: Switchgear Anchoring

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 4. Equipment Installation Connect the Interconnect Control Wiring The first method is by plug welds (Figure 4.14) using the anchor bolt holes in the rear sill angle. The plug weld should...

  • Page 35: External Control Wire Connections

    For external control wiring (Figure 4.3) connection point locations, reference the GE drawings provided for the specific If the control conduits enter from above, drill the top section and location within the equipment. Each section of...

  • Page 36: Power Cable Connections

    Figure 4.15 Typical cable lashing For copper cables, coat the wires with GE lubricating grease D6A15A2, insert the cables into the terminals, and tighten the set screws in accordance with torque values shown in the torque value table for cable terminals in the addendum of this manual.

  • Page 37: Breaker Lifting Device

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 4. Equipment Installation Breaker Lifting Device Indoor Equipment Figure 4.17 Carton containing breaker lifting device Figure 4.16 depicts the breaker lifting device assembled on indoor equipment. When supplied with indoor equipment, the breaker lifting device is shipped in a separate carton completely assembled, Figure 4.17.
  • Page 38 AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 4. Equipment Installation The rear rollers can then be hooked under the rear runner Figure 4.21 Front rail shipping splice plate and the front rollers can be positioned on the front rail. Refer ...
  • Page 39 DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 4. Equipment Installation On the rear runner, there is also a splice plate held in place Figure 4.24 Bracket locking dolly with two screws, Figure 4.22 show a typical example. After...

  • Page 40: Rear Door Ventilation

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 4. Equipment Installation Rear Door Ventilation After the primary and secondary wiring has been installed Figure 4.25 Rear door ventilation shipping wire within the cable compartments of the switchgear assembly and prior to energization of the equipment, the shipping wire, on each rear door ventilation, must be removed (Figure 4.25).

  • Page 41: Wall Mounted Hmi (Entellisys Ar Only)

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 4. Equipment Installation Wall Mounted HMI (Entellisys AR Only) General Figure 4.26 Entellisys wall mounted HMI unit The Entellisys switchgear can be optionally provided with a wall mounted HMI (Human Machine Interface) unit (Figure 4.26).

  • Page 42: Section 5. Exhaust Plenum Installation

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 5. Exhaust Plenum Installation Section 5. Exhaust Plenum Installation General The exhaust plenum system (Figure 5.1) is a metallic duct that Figure 5.1 Exhaust plenum system (front view) is attached to the plenum flange located on the top of the switchgear.

  • Page 43: Installation

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 5. Exhaust Plenum Installation Installation Exhaust Plenum above Switchgear Figure 5.4 Flange detail above switchgear The recommend procedure to install the exhaust plenum above the switchgear is as follows: Prior to installing the individual sections of the...
  • Page 44 AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 5. Exhaust Plenum Installation Repeat steps 3 and 4 for the adjacent exhaust plenum section on the adjoining section of CAUTION: Over-tightening of the access cover mounting equipment screws could damage the exhaust plenum itself. Care Using the 3/8-16 x 1 inch carriage bolts, lock washers should be taken while performing this task.

  • Page 45: Exhaust Plenum End Cap

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 5. Exhaust Plenum Installation Exhaust Plenum End Cap Figure 5.9 Exhaust plenum end cap If one end of the exhaust plenum system above the switchgear is required to be closed, an end cap (Figure 5.9)

  • Page 46: Plenum System Between Equipment And End Portal

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 5. Exhaust Plenum Installation Plenum System between Equipment and End Portal Construction of the exhaust plenum between the end flange on the switchgear and the exhaust end portal can vary upon the customer’s construction requirements.

  • Page 47: Section 6. Installing And Removing Circuit Breakers

    Check thoroughly for damaged or loose parts and for any dirt or foreign matter which may be in the breaker. Be sure that a thin film of GE lubricating grease D6A15A2 is present on primary disconnects of the switchgear before installing the breaker.

  • Page 48: Installing A Circuit Breaker

    Lifting Beam compartment. Envelope 1 Carabineer Position Ensure that the breaker is open. Envelope 2 Carabineer Position Apply a thin fresh coat of GE lubricating grease Carabineers D6A15A2 to the breaker’s primary disconnect Circuit Breaker Lifting Tabs assemblies. Ensure that the position indicator on the Table 6.1 EntelliGuard circuit breaker lifting beams...
  • Page 49 DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 6. Installing and Removing Circuit Breakers With both sides of the circuit breaker aligned with the Figure 6.5 EntelliGuard circuit breaker on draw-out rails grooves in the cassette, slowly lower and guide the breaker to allow the 4 breaker wheels to align with ...

  • Page 50: Removing A Circuit Breaker

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 6. Installing and Removing Circuit Breakers Removing a Circuit Breaker To remove the EntelliGuard circuit breaker, proceed as Table 6.2 Future cassette barriers and future door covers follows: Catalog Number Poles Envelope Size Open the breaker by pressing the OFF/OPEN button.

  • Page 51: Section 7. Testing And Inspecting

    Tests pre-operational checks on the breakers. See DEH-41304 which should be performed, however, include circuit breaker (AKD-20 AR Only) or DEH-41526 (Entellisys AR Only). operation, and switchgear meggering, phasing, and grounding checks.

  • Page 52: Entellisys System Test Kit (Entellisys Ar Only)

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 7. Testing and Inspecting is automatically connected to the trip unit in the breaker via a (ETSTESTKIT03). Reference DEH-503 for draw-out secondary disconnect block. instructions. Set the adjustable current and voltage trip Complete Instructions for testing the trip units are included mechanisms to the proper values.

  • Page 53: Section 8. Operating The Switchgear

    (Entellisys AR Only). manuals which will be supplied as supplementary information to this manual. Publication number is DEH-41304 (AKD-20 AR Only) or DEH-41526 (Entellisys AR Only). ©2016 General Electric. All rights reserved.

  • Page 54: Circuit Breaker Draw-Out Operation

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 8. Operating the Switchgear Circuit Breaker Draw-out Operation The circuit breaker compartment is constructed to offer four Figure 8.1 Circuit breaker in CONNECTED position unique positions of CONNECTED, TEST, DISCONNECTED, and WITHDRAWN.

  • Page 55: Front Doors

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 8. Operating the Switchgear Front Doors The front access doors, auxiliary and circuit breaker doors, on Figure 8.4 AR switchgear front access doors all AR switchgear are hinged and equipped with a self- latching system (Figure 8.4).

  • Page 56: Front Door Removal And Installation

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 8. Operating the Switchgear Front Door Removal and Installation Figure 8.7 AR front access door details DANGER: Electrical arc flash hazard. Personal protection equipment required. Turn off power to the ...

  • Page 57: Future Circuit Breaker Compartments

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 8. Operating the Switchgear Future Circuit Breaker Compartments Figure 8.10 Future circuit breaker compartment DANGER: Electrical arc flash hazard. Personal protection equipment required. Turn off power to the equipment before working inside.

  • Page 58: Circuit Breaker Compartment Features

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 8. Operating the Switchgear Circuit Breaker Compartment Features Key Interlocks Figure 8.12 Circuit breaker key interlocks CAUTION: Refer to the key interlock schematic included in the summary furnished with the equipment to determine the sequence of operation and the correct number of operating keys required.

  • Page 59: Padlocking Features

    Section 8. Operating the Switchgear Padlocking Features Shutters are provided as a standard for circuit breaker compartments in both AKD-20 AR and Entellisys AR The circuit breaker compartment is provided with several equipment. Refer to DEH-41696 for ordering or further padlocking features as a standard.

  • Page 60: Cooling Fan Control Module

    Figure 8.17. In AKD-20 AR applications, the fan control is initiated by the “Current Alarm 2” feature of the trip unit which signals a fan control circuit to turn the fans on or off. Refer to Figure 8.18 ...
  • Page 61 DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 8. Operating the Switchgear Figure 8.18 AKD-20 AR cooling fan control circuit Figure 8.19 Entellisys AR cooling fan control circuit ©2016 General Electric. All rights reserved. Courtesy of NationalSwitchgear.com...

  • Page 62: Operation

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 8. Operating the Switchgear Operation TEST Operating Mode A three position Illuminated Fan Control Switch, Figure 8.17, is With the Illuminated Fan Control Switch held in the “TEST” provided to allow an operator to select the mode of operation position, an operator can perform a functional test on the fan for the cooling fan system.

  • Page 63: Rear Access Doors

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 8. Operating the Switchgear Rear Access Doors Figure 8.20 Rear access doors DANGER: Electrical arc flash hazard. Personal protection equipment required. Turn off power to the equipment before working inside. WARNING: The rear compartment door(s) must be closed and bolted to maintain the integrity of the arc resistant enclosure.

  • Page 64: Section 9. Energizing The Switchgear

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Section 9. Energizing the Switchgear Section 9. Energizing the Switchgear Before Energizing Energizing Procedures Before switchgear is energized, a thorough final check should DANGER: Electrical arc flash hazard. Personal be made using the following checklist: Refer to section Final protection equipment required.

  • Page 65: Section 10. Maintaining The Switchgear

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 10. Maintaining the Switchgear Section 10. Maintaining the Switchgear General Circuit Breaker and Instrument DANGER: Electrical arc flash hazard. Personal protection equipment required. Turn off power to the Compartments equipment before working inside.
  • Page 66 Bearing points and sliding surfaces should be lubricated at the regular inspection periods with a thin film of GE lubricant Clean the racking mechanism and lubricate with GE lubricant D6A15A2. Before lubricating, remove any hardened grease D6A15A2.

  • Page 67: Bus Area

    Vacuum and, with a clean rag, wipe the buses and Apply a coat of good acrylic enamel primer (Sherman- supports. Williams E61 A 60,-GE part number 21525025200) with a Visually inspect the insulation on the bars that run viscosity of approximately 24-32 seconds using a #2 Zahn from the breaker studs through the bus structure to cup.

  • Page 68: Section 11. Common Switchgear Accessories And Kits

    Section 11. Common Switchgear Accessories and Kits Section 11. Common Switchgear Accessories and Kits The following tables list common accessories and kits available for ordering for the AKD-20 AR or Entellisys AR equipment. Table 11.1 EntelliGuard breaker compartment accessories and kits...
  • Page 69 DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Section 11. Common Switchgear Accessories and Kits Table 11.3 Exhaust plenum accessories and kits Description Catalog Number 440 Butyl Sealing Compound, Exhaust Plenum Flange 440BUTYL Exhaust Plenum Section, 22” Wide GM2AR22EPS Exhaust Plenum Section, 30” Wide GM2AR30EPS Exhaust Plenum Section, 38”...

  • Page 70: Appendix A. Torque Values

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix A. Torque Values Appendix A. Torque Values Table A.1 Torque values for electrical hardware other than Table A.2 Torque values for cable terminals cable terminals (Copper, Tin or Silver Plated) Wire Size Torque (1)(2) (in.-lbs.)

  • Page 71: Appendix B. Circuit Breaker Rejection Feature

    Figure B.2 EntelliGuard compartment rejection blocks The information in the following appendices lists the available rejection scheme combinations for the rejection feature. AKD-20 AR rejection combinations are in Appendix C and Entellisys AR rejection combinations are in Appendix D. ©2016 General Electric. All rights reserved.

  • Page 72: Appendix C. Entelliguard G Rejection Features (Akd-20 Ar Only)

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix C. EntelliGuard G Rejection Features (AKD-20 AR Only) Appendix C. EntelliGuard G Rejection Features (AKD-20 AR Only) Envelope 1 Rejection Features Table C.1 EntelliGuard G envelope 1 circuit breaker logic 800A...

  • Page 73: Envelope 2 Rejection Features

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix C. EntelliGuard G Rejection Features (AKD-20 AR Only) Table C.2 EntelliGuard G envelope 1 non-automatic switch logic 800A 1,200A 1,600A 2,000A ANSI GE Switch ANSI GE Switch ANSI GE Switch Left...
  • Page 74 AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix C. EntelliGuard G Rejection Features (AKD-20 AR Only) Table C.5 EntelliGuard G envelope 2 (double cluster) circuit breaker logic 800A 1,600A 2,000A 3,200A ANSI GE Breaker ANSI GE Breaker ANSI GE Breaker...

  • Page 75: Envelope 3 Rejection Features

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix C. EntelliGuard G Rejection Features (AKD-20 AR Only) Envelope 3 Rejection Features Table C.7 EntelliGuard G envelope 3 circuit breaker logic 3,200A 4,000A 5,000A 6,000A ANSI GE Breaker ANSI GE Breaker...
  • Page 76 AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix C. EntelliGuard G Rejection Features (AKD-20 AR Only) Table C.8 EntelliGuard G envelope 3 non-automatic switch logic 3,200A 4,000A 5,000A 6,000A ANSI GE Switch ANSI GE Switch ANSI GE Switch Left...

  • Page 77: Appendix D. Entelliguard E Rejection Features (Entellisys Ar Only)

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix D. EntelliGuard E Rejection Features (Entellisys AR Only) Appendix D. EntelliGuard E Rejection Features (Entellisys AR Only) Envelope 1 Rejection Features Table D.1 EntelliGuard E envelope 1 circuit breaker logic 2,000A...

  • Page 78: Envelope 2 Rejection Features

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix D. EntelliGuard E Rejection Features (Entellisys AR Only) Envelope 2 Rejection Features Table D.2 EntelliGuard E envelope 2 circuit breaker logic 3,200A 2,000A 1,600A 800A ANSI GE Entellisys ANSI GE Entellisys...

  • Page 79: Envelope 3 Rejection Features

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix D. EntelliGuard E Rejection Features (Entellisys AR Only) Envelope 3 Rejection Features Table D.3 EntelliGuard E envelope 3 circuit breaker logic 6,000A 5,000A 4,000A 3,200A ANSI GE Entellisys ANSI GE Entellisys...

  • Page 80: Appendix E. Circuit Breaker Information

    Appendix E. Circuit Breaker Information For all circuit breaker information including ratings, weights, accessories, etc., reference DEH-41304 (AKD-20 AR Only) or DEH- 41526 (Entellisys AR Only) at www.industrial.com. In Publication Library, select publication number type in this DEH number and click Go.

  • Page 81: Appendix F. Exhaust Plenum Details

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix F. Exhaust Plenum System Details Appendix F. Exhaust Plenum System Details General The exhaust plenum system will be attached to the top of the Figure F.2 Exhaust plenum t-section switchgear assembly (Figure 3.2 and Figure 3.3). The exhaust...
  • Page 82 AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix F. Exhaust Plenum System Details If one end of the exhaust plenum system is required to be Figure F.7 Exhaust plenum extension closed, an exhaust plenum end cap can be provided (Figure F.5).

  • Page 83: Exhaust Plenum Section

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix F. Exhaust Plenum System Details Exhaust Plenum Section The exhaust plenum sections may be provided in widths of 22, 30, and 38 inches (Figure F.10). Figure F.11 Exhaust plenum section details Table F.1 Exhaust plenum section widths (inches)

  • Page 84: Exhaust Plenum T-Section

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix F. Exhaust Plenum System Details Exhaust Plenum T-Section The exhaust plenum t-sections may be provided in widths of 22, 30, and 38 inches (Figure F.12). Figure F.12 Exhaust plenum t-section details Table F.2 Exhaust plenum t-section widths (inches)

  • Page 85: Exhaust Plenum V-Section

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix F. Exhaust Plenum System Details Exhaust Plenum V-Section The exhaust plenum t-sections may be provided in widths of 30 and 38 inches (Figure F.13). Figure F.13 Exhaust plenum v-section details Table F.3 Exhaust plenum v-section widths (inches) Dimension “A”...

  • Page 86: Exhaust Plenum Transition Adapter

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix F. Exhaust Plenum System Details Exhaust Plenum Transition Adapter The exhaust plenum transition adapter is attached to the left and right most plenum sections at the end of the equipment assembly (Figure F.14).

  • Page 87: Exhaust Plenum End Cap

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix F. Exhaust Plenum System Details Exhaust Plenum End Cap The exhaust plenum end cap is attached to the left or right most plenum sections at the end of the equipment assembly (Figure F.15).

  • Page 88: Exhaust Plenum End Portal

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix F. Exhaust Plenum System Details Exhaust Plenum End Portal The exhaust plenum end portal provides an egress point for the exhaust plenum system (Figure F.16). Figure F.16 Exhaust plenum end portal details NOTICE: Use of optional flange clips (Figure F.10) may be...

  • Page 89: Exhaust Plenum Access Cover

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix F. Exhaust Plenum System Details Exhaust Plenum Access Cover The exhaust plenum access cover is provided on each exhaust plenum above the switchgear assembly to ease with the installation of the exhaust plenum system (Figure F.17).

  • Page 90: Exhaust Plenum Extension

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix F. Exhaust Plenum System Details Exhaust Plenum Extension The exhaust plenum extension is an optional item that can be used to extend the exhaust plenum above the switchgear further in the equipment room (Figure F.18). The exhaust plenum extension is provided in 36 inch lengths.

  • Page 91: Exhaust Plenum 90 Degree Vertical Elbow

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix F. Exhaust Plenum System Details Exhaust Plenum 90 Degree Vertical Elbow The exhaust plenum vertical elbow is an optional item that can be used to extend the exhaust plenum above the switchgear further in the equipment room (Figure F.19).

  • Page 92: Exhaust Plenum 90 Degree Horizontal Elbow

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix F. Exhaust Plenum System Details Exhaust Plenum 90 Degree Horizontal Elbow The exhaust plenum horizontal elbow is an optional item that can be used to extend the exhaust plenum above the switchgear further in the equipment room (Figure F.20).

  • Page 93: Exhaust Plenum Flange Clip

    DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix F. Exhaust Plenum System Details Exhaust Plenum Flange Clip The exhaust plenum flange clip is an optional item that can be used to attach the exterior flanges of the individual exhaust plenum components to adjacent exterior flanges (Figure F.21).

  • Page 94: Appendix G. Notes

    AKD-20 AR / Entellisys AR Low-voltage Switchgear DEH-41473 Appendix G. Notes Appendix G. Notes ©2016 General Electric. All rights reserved. Courtesy of NationalSwitchgear.com...
  • Page 95 DEH-41473 AKD-20 AR / Entellisys AR Low-voltage Switchgear Appendix G. Notes ©2016 General Electric. All rights reserved. Courtesy of NationalSwitchgear.com...
  • Page 96 *INDICATES A TRADEMARK OF THE GENERAL ELECTRIC COMPANY AND/OR ITS SUBSIDIARIES. INFORMATION PROVIDED IS SUBJECT TO CHANGE WITHOUT NOTICE. PLEASE VERIFY ALL DETAILS WITH GE. ALL VALUES ARE DESIGN OR TYPICAL WHEN MEASURED UNDER LABORATORY CONDITIONS, AND GE MAKES NO WARRANTY OR GUARANTEE, EXPRESS OR IMPLIED, THAT SUCH PERFORMANCE WILL BE OBTAINED UNDER END-USE CONDITIONS.

Table of Contents