Square QED-2 Manuale di formazione

Power-Style™

QED-2 Switchboards /

Tableros de distribución tipo autosoportado QED-2 /

Panneaux de commutation QED-2

Instruction Bulletin / Boletín de instrucciones /

Directives d’utilisation

80043-055-13

03/2018

Retain for future use. / Conservar para uso futuro. / À conserver pour usage ultérieur.

Power-Style™

QED-2 Switchboards

Class 2700

Instruction Bulletin

80043-055-13

03/2018

Retain for future use.

ENGLISH

Hazard Categories and Special Symbols

Read these instructions carefully and look at the equipment to become familiar with

the device before trying to install, operate, service, or maintain it. The following

special messages may appear throughout this bulletin or on the equipment to warn

of hazards or to call attention to information that clarifies or simplifies a procedure.

The addition of either symbol to a “Danger” or “Warning” safety label indicates that

an electrical hazard exists which will result in personal injury if the instructions are

not followed.

This is the safety alert symbol. It is used to alert you to personal injury hazards.

Obey all safety messages that follow this symbol to avoid possible injury or death.

NOTE: Provides additional information to clarify or simplify a procedure.

Please Note

Electrical equipment should be installed, operated, serviced, and maintained only

by qualified personnel. No responsibility is assumed by Schneider Electric for any

consequences arising out of the use of this material.

A qualified person is one who has skills and knowledge related to the construction,

installation, and operation of electrical equipment and has received safety training

to recognize and avoid the hazards involved.

DANGER

DANGER indicates a hazardous situation which, if not avoided, will result in

death or serious injury.

WARNING

WARNING indicates a hazardous situation which, if not avoided, could result in

death or serious injury.

CAUTION

CAUTION indicates a hazardous situation which, if not avoided, could result in

minor or moderate injury.

NOTIC

NOTICE is used to address practices not related to physical injury. The safety

alert symbol is not used with this signal word.

ENGLISH

Table of Contents Power-Style™ QED-2 Switchboards

Table of Contents

Section 1—Introduction .......................................................................................... 7

Inspection and Packaging ................................................................................ 7

Document Replacement .................................................................................. 7

Section 2—Safety Precautions .............................................................................. 8

Section 3—Receiving, Handling, and Storing ........................................................ 9

Receiving ......................................................................................................... 9

Handling ........................................................................................................... 9

Handling with Lifting Straps ....................................................................... 9

Handling without Lifting Straps ................................................................ 11

Storing ............................................................................................................ 13

Section 4—Installation ......................................................................................... 14

Location ......................................................................................................... 14

Foundation Preparation ................................................................................. 14

Switchboard Preparation ................................................................................ 15

General Installation ........................................................................................ 15

Joining Shipping Sections—Outdoor Switchboards ....................................... 16

Joining Shipping Sections—Indoor Switchboards ......................................... 17

Anchoring for Seismic Qualifications ............................................................. 18

Responsibility for Mitigation of Seismic Damage..................................... 18

Maintaining Seismic Certification............................................................. 18

Anchoring QED-2 Equipment for Seismic Applications ........................... 19

Base Anchoring ....................................................................................... 20

Top Anchoring/Restraint .......................................................................... 22

Anchoring the Switchboard ............................................................................ 24

Through Bus Splice Connections ................................................................... 24

Ground Bus Splice Connections .................................................................... 25

Grounding and Bonding ................................................................................. 26

Service Equipment—Grounded System .................................................. 26

Service Equipment—Ungrounded System .............................................. 28

Not Service Equipment ............................................................................ 28

High-Impedance Grounded Neutral Systems .......................................... 28

Busway Connections ..................................................................................... 28

Busway Connection—NEMA Type 1 (Indoor) Only (Qwik Flange™) ...... 28

Busway Connections—NEMA Type 1 (Non-Qwik Flange) and

NEMA Type 3R........................................................................................ 30

Conduit Area .................................................................................................. 31

Cable Pulling .................................................................................................. 32

Cable Terminations ........................................................................................ 32

Cable Restraint for Short-Circuit Current Rating (SCCR) .............................. 33

Section 5—Pre-energizing Checkout Procedure ................................................. 36

Ground Fault Protection Systems .................................................................. 38

Section 6—Energizing the Switchboard ............................................................... 39

Section 7—Maintaining the Switchboard ............................................................. 40

General Inspection and Cleaning ................................................................... 40

Bus Bar Joints, Lug Terminations, and Insulating Materials .......................... 41

General Lubrication Information ..................................................................... 41

Automatic Transfer Switches ......................................................................... 41

Bolt-Loc Bolted Pressure Contact Switch Maintenance (800–4,000 A) ......... 42

Power-Style™ QED-2 Switchboards Table of Contents

ENGLISH

Circuit Breakers ............................................................................................. 43

QMB/QMJ/QMQB1 Fusible Switches ............................................................ 45

Switch Maintenance................................................................................. 45

Fuse Replacement (Fusible Switches Only) ............................................ 45

Installing QMB/QMJ/QMQB1 Fusible Switches ....................................... 46

Removing QMB/QMJ/QMQB1 Fusible Switches ..................................... 47

Ground Fault Protection Systems .................................................................. 47

Section 8—Adverse Circumstances ..................................................................... 48

Inspection Following a Short Circuit ............................................................... 48

Clean-up Following a Short Circuit ................................................................ 48

Water-Soaked Switchboards ......................................................................... 48

Water-Sprayed or Splashed Switchboards (Clean Water Only) .................... 49

Inspection and Clean-up of Clean Water Sprayed or

Splashed Switchboards ........................................................................... 49

Section 9—Torque Values for Electrical Connections ......................................... 51

Section 10—Switchboard Insulation Resistance Chart ........................................ 53

Section 11—Reference Publications .................................................................... 54

Section 12—Installation and Maintenance Log .................................................... 55

List of Figures Power-Style™ QED-2 Switchboards

ENGLISH

List of Figures

Figure 1 – Typical QED-2 Roof Hood Construction ............................................. 7

Figure 2 – Lifting with an Overhead Crane, Lifting Straps, and Cables or Chains .... 9

Figure 3 – Handling Instruction Label, Switchboards without Lifting Straps ...... 11

Figure 4 – Rear Warning Label, Rainproof Switchboards .................................. 12

Figure 5 – Front Warning Label, Rainproof Switchboards ................................. 12

Figure 8 – Belleville Washer .............................................................................. 19

Figure 9 – Base Channel Floor Anchor Bolt Locations ...................................... 21

Figure 10 – Base Channel Mounting Hardware ................................................... 22

Figure 11 – Top Anchor Hard-Point Locations ..................................................... 23

Figure 12 – Top Anchor Mounting Hardware ....................................................... 23

Figure 13 – Switchboard Base Channels ............................................................. 24

Figure 14 – Proper Orientation of U-shaped Splice Connector ........................... 25

Figure 15 – Ground Bus Splice Connection ......................................................... 25

Figure 16 – Series 2 Ground Bus Splice Connection .......................................... 25

Figure 17 – Grounding Electrode Connector ....................................................... 26

Figure 18 – Main Bonding Jumper ....................................................................... 27

Figure 19 – Series 2 Main Bonding Jumper ......................................................... 27

Figure 20 – Qwik Flange Installation .................................................................... 29

Figure 21 – Qwik Flange ...................................................................................... 29

Figure 22 – Removing the Busway Dummy Flanged End ................................... 30

Figure 23 – Flanged-End Connections ................................................................ 30

Figure 24 – Reinstalling the 1/2-In. (13 mm) Hardware ....................................... 31

Figure 25 – Cable Restraint Example .................................................................. 33

Figure 26 – Wrapping Cables (neutral cables not shown) ................................... 34

Figure 27 – Wrapping the Space Between Cables .............................................. 34

Figure 28 – Finish Wrapping the Space Between Cables ................................... 35

Figure 30 – Type BP Bolt-Loc Fusible Switch ...................................................... 42

Figure 31 – PowerPact™ R-Frame Circuit Breaker ............................................. 43

Power-Style™ QED-2 Switchboards List of Tables

ENGLISH

List of Tables

Table 1 – Enclosure X,Y, Z Dimensions in Inches (mm) .................................. 20

Table 2 – Cable Restraint Criteria .................................................................... 33

Table 3 – I-Line™ Blank Fillers and Extensions ............................................... 44

Table 4 – QMB/QMJ Fusible Switch Blank Fillers ............................................ 46

Table 5 – QMQB1 Fusible Switch Blank Fillers ................................................ 46

Table 6 – Incoming, Branch, and Neutral Lug .................................................. 51

Table 7 – Multiple Conductor Neutral and/or Ground Bar ................................ 51

Section 1—Introduction Power-Style™ QED-2 Switchboards

ENGLISH

Section 1—Introduction

This manual contains instructions for the proper installation, operation, and

maintenance of Power-Style™ QED-2 switchboard equipment manufactured by

Schneider Electric. Engineering, installation, and operating staff supervisors should

familiarize themselves with this manual and become acquainted with the

appearance and characteristics of each piece of equipment mounted or contained

in the switchboard.

These instructions and procedures apply to Power-Style QED-2 switchboard

installations by Schneider Electric. When special features or non-standard

components are incorporated in the switchboard, detailed instructions for these

components are included in the instruction material holder.

NOTES:

Series 2: There are references to Series 2 switchboards in several places in

this instruction bulletin. To determine if the QED-2 switchboard is a Series 2

model, check the rating nameplate located on the front cover. If the

switchboard is a Series 2 model, the nameplate indicates that. If it is not a

Series 2 model, there is not a Series designation.

QED-2 with Vented Roofs: Some QED-2 designs are roof vented, with an

option for roof hoods in lieu of drip pans. If roof hoods are selected, they are

shipped separately and will be installed on top of the vented roof using four (4)

self-threading, 0.25 in. (6 mm) fasteners (included). They require 6 in.

(152 mm) of additional height clearance. See Figure 1 for typical roof hood

construction.

Inspection and Packaging

Every Power-Style QED-2 switchboard is carefully inspected and packaged at the

assembly plant. Construction of the switchboard is checked, both structurally and

electrically, for compliance with all specifications, codes, and standards. After a

complete inspection, the switchboard is prepared for shipment. Each section is

shipped separately for easier handling before installation. The factory order

number, an identification number, and the shipping weights are plainly marked on

each shipping section.

Document Replacement

Contact your local Schneider Electric representative to replace lost or damaged

wiring diagrams and instruction sheets. Use the factory order number as a reference.

Figure 1 – Typical QED-2 Roof Hood Construction

Power-Style™ QED-2 Switchboards Section 2—Safety Precautions

ENGLISH

Section 2—Safety Precautions

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Apply appropriate personal protective equipment (PPE) and follow safe

electrical work practices. See NFPA 70E or CSA Z462.

• This equipment must be installed and serviced only by qualified personnel.

• Perform such work only after reading and understanding all of the instructions

contained in this bulletin.

• Turn off all power supplying this equipment before working on or

inside equipment.

• Before performing visual inspections, tests, or maintenance on this equipment,

disconnect all sources of electric power. Assume all circuits are live until they

are de-energized, tested, and tagged. Pay particular attention to the design of

the power system. Consider all sources of power, including the possibility of

backfeeding.

• Always use a properly rated voltage sensing device to confirm power is off.

• Practice lock-out/tag-out procedures according to OSHA requirements.

• Handle this equipment carefully and install, operate, and maintain it correctly

in order for it to function properly. Neglecting fundamental installation and

maintenance requirements may lead to personal injury, as well as damage to

equipment or other property.

• Carefully inspect your work area and remove any tools and objects left inside

the equipment.

• Replace all devices, doors, and covers before turning on power to

this equipment.

• All instructions in this manual assume that the customer has taken these

measures before performing maintenance or testing.

Failure to follow these instructions will result in death or serious injury.

WARNING

POTENTIAL COMPROMISE OF SYSTEM AVAILABILITY, INTEGRITY, AND

CONFIDENTIALITY

• Change default passwords to help prevent unauthorized access to device

settings and information.

• Disable unused ports/services and default accounts, where possible, to

minimize pathways for malicious attacks.

• Place networked devices behind multiple layers of cyber defenses (such as

firewalls, network segmentation, and network intrusion detection and

protection).

• Use cybersecurity best practices (for example: least privilege, separation of

duties) to help prevent unauthorized exposure, loss, modification of data and

logs, interruption of services, or unintended operation.

Failure to follow these instructions can result in death, serious injury, or

equipment damage.

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