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1

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Instructions

Installation

Operation

Maintenance

E

50001

-

U

229

-

A

284

-

X

-

US

00

5

kV

and

15

kV

Metal

-

Clad

Switchgear

Type

GM

-

SG

SIEMENS

Power

Transmission

&

Distribution

Courtesy of NationalSwitchgear.com

A

DANGER

Hazardous

voltages

and

high

-

speed

moving

parts

.

Will

cause

death

,

serious

injury

or

property

damage

.

Always

de

energize

and

ground

the

equipment

before

maintenance

.

Read

and

understand

this

instruction

manual

before

using

equipment

.

Maintenance

should

be

performed

only

by

qualified

personnel

.

The

use

of

unauthorized

parts

in

the

repair

of

the

equipment

or

tampering

by

unqualified

personnel

will

result

in

dangerous

conditions

which

will

cause

death

,

severe

injury

or

equipment

damage

.

Follow

all

safety

instructions

contained

herein

.

IMPORTANT

The

information

contained

herein

is

general

in

nature

and

not

intended

for

specific

application

purposes

.

It

does

not

relieve

the

user

of

responsibility

to

use

sound

practices

in

application

,

installation

,

operation

,

and

maintenance

of

the

equipment

purchased

.

Siemens

reserves

the

right

to

make

changes

in

the

specifications

shown

herein

or

to

make

improvements

at

any

time

without

notice

or

obligations

.

Should

a

conflict

arise

between

the

general

information

contained

in

this

publication

and

the

contents

of

drawings

or

supplementary

material

or

both

,

the

latter

shall

take

precedence

.

QUALIFIED

PERSON

For

the

purpose

of

this

manual

,

a

qualified

person

is

one

who

is

familiar

with

the

installation

,

construction

or

operation

of

the

equipment

and

the

hazards

involved

.

In

addition

,

this

person

has

the

following

qualifications

:

(

a

)

is

trained

and

authorized

to

de

energize

,

clear

,

ground

,

and

tag

circuits

and

equipment

in

accordance

with

established

safety

procedures

.

(

b

)

is

trained

in

the

proper

care

and

use

of

protective

equipment

such

as

rubber

gloves

,

hard

hat

,

safety

glasses

or

face

shields

,

flash

clothing

,

etc

.

,

in

accordance

with

established

safety

practices

.

(

c

)

is

trained

in

rendering

first

aid

.

NOTE

These

instructions

do

not

purport

to

cover

all

details

or

variations

in

equipment

,

nor

to

provide

for

every

possible

contingency

to

be

met

in

connection

with

installation

,

operation

,

or

maintenance

.

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

sales

office

.

The

contents

of

this

instruction

manual

shall

not

become

part

of

or

modify

any

prior

or

existing

agreement

,

commitment

or

relationship

.

The

sales

contract

contains

the

entire

obligation

of

Siemens

Power

Transmission

&

Distribution

,

Inc

.

The

warranty

contained

in

the

contract

between

the

parties

is

the

sole

warranty

of

Siemens

Power

Transmission

&

Distribution

,

Inc

.

Any

statements

contained

herein

do

not

create

new

warranties

or

modify

the

existing

warranty

.

Courtesy of NationalSwitchgear.com

Contents

Introduction

and

Safety

Introduction

Qualified

Person

Signal

Words

Field

Service

Operation

and

Warranty

Issues

.

General

Description

Introduction

Scope

General

Description

Receiving

,

Shipping

and

Storage

Receiving

Identification

Inspection

and

Unpacking

Shipping

Damage

Claims

Lifting

&

Moving

Indoor

Switchgear

Lifting

Indoor

Switchgear

with

Crane

Moving

Switchgear

in

Obstructed

Areas

Without

a

Crane

Final

Movement

of

Assembly

Storage

:

Indoor

Switchgear

Storage

:

Shelter

-

Clad

Outdoor

Switchgear

.

.

Storage

:

Non

-

Walk

-

In

Outdoor

Switchgear

.

.

Storage

:

Type

GMSG

Vacuum

Circuit

Breakers

and

Lift

Truck

Installation

Preparation

for

Installation

Foundation

-

General

Requirements

Indoor

Foundations

Outdoor

Foundations

Installing

Shipping

Sections

Installing

Switchgear

with

Throat

Connection

to

Power

Transformer

Anchoring

,

Leveling

,

and

Assembling

Indoor

Switchgear

Anchoring

and

Leveling

Outdoor

Shelter

-

Clad

Switchgear

Assembly

of

Single

-

Aisle

Shelter

-

Clad

Switchgear

.

..

.

15

Assembly

of

Common

-

Aisle

Shelter

-

Clad

Switchgear

.

.

15

Assembly

of

Single

-

Aisle

Shelter

-

Clad

Switchgear

with

Work

Space

Expanding

Length

of

Existing

Shelter

-

Clad

Switchgear

by

Addition

of

Units

Anchoring

,

Leveling

,

and

Assembling

Conventional

Outdoor

(

Non

-

Walk

-

ln

)

Switchgear

Expanding

Length

of

Existing

Conventional

Outdoor

(

Non

-

Walk

-

In

)

Switchgear

by

Addition

of

Units

Electrical

Connections

Bus

Bar

Bus

Joints

Bus

Insulation

Bus

Joint

Insulation

-

Boots

Bus

Joint

Insulation

-

Taping

...

.

Transformer

Bus

Joints

-

Insulation

Primary

Cable

Connections

Secondary

Control

Wiring

Ground

Connections

Temporary

Ground

Connections

.

2

Electrical

Connections

Control

Power

and

Voltage

Transformers

-

General

Information

Voltage

Transformers

Control

Power

Transformer

Operating

Sequence

Current

Transformers

Circuit

Breaker

Positions

Circuit

Breaker

Cell

Preparation

Circuit

Breaker

Racking

Mechanism

Interference

Blocking

Plate

(

Rating

Interlock

)

....

Secondary

Disconnect

Mechanism

Operated

Cell

Switch

(

MOC

)

Truck

Operated

Cell

Switch

(

TOC

)

Circuit

Breaker

Ground

Connection

Shutter

Operation

Circuit

Breaker

Installation

and

Removal

De

-

Energizing

Control

Power

to

Circuit

Breaker

.

.

Spring

Discharge

Check

Removal

from

Cell

in

Indoor

(

if

not

on

raised

pad

)

and

Shelter

-

Clad

Outdoor

Switchgear

Removal

from

Cell

in

Outdoor

Non

-

Walk

-

ln

Enclosures

,

or

for

Indoor

Switchgear

Installed

on

a

Raised

Pad

.

.

40

Racking

Crank

Engagement

Procedure

Circuit

Breaker

Racking

Racking

from

DISCONNECT

to

CONNECT

Position

.

.

.

.

43

Racking

from

CONNECT

to

TEST

or

DISCONNECT

Position

Contact

Penetration

Closed

Circuit

Breaker

Racking

Interlock

.

.

.

.

Racking

Access

Interlock

Trip

-

Free

Interlock

Spring

Discharge

Function

Inspection

and

Testing

Inspection

and

Testing

Inspection

Testing

Placing

Equipment

into

Service

Maintenance

Introduction

and

Maintenance

Intervals

...

.

Recommended

Eland

Tools

Recommended

Maintenance

and

Lubrication

Lubrication

Moving

Parts

Electrical

Contacts

Cleaning

Insulation

Corrosive

Atmospheres

Relays

and

Instruments

Equipment

Surfaces

Accessories

Split

Plug

Jumper

Test

Device

Test

Cabinet

Lift

Truck

Lift

Sling

Electric

Racking

Accessory

Type

3

EF

Surge

Limiters

33

-

37

2

2

33

2

33

2

34

34

3

37

3

3

38

-

44

3

38

38

4

-

7

38

4

38

4

39

4

39

4

39

5

39

5

39

5

39

39

5

6

40

7

7

7

42

42

7

8

-

22

8

43

8

43

8

43

8

44

13

44

44

13

45

-

46

45

14

45

45

14

46

47

-

49

47

15

47

47

16

48

48

16

48

49

17

49

49

23

-

32

49

23

23

50

-

51

26

50

26

50

29

50

29

50

31

50

31

51

32

32

Note

:

Photos

with

persons

in

this

manual

are

shown

for

illustrative

purposes

only

-

comply

with

NFPA

70

E

Electrical

Safety

Requirements

.

Courtesy of NationalSwitchgear.com

Introduction

and

Safety

Introduction

The

GM

-

SG

family

of

5

-

1

5

kV

Metal

-

Clad

Switchgear

is

designed

to

meet

all

applicable

ANSI

,

NEMA

and

IEEE

standards

.

This

equipment

is

not

classified

as

arc

-

resistant

switchgear

,

and

has

not

been

tested

for

resistance

to

internal

arcing

per

IEEE

C

37.20

.

7

.

Successful

application

and

operation

of

this

equipment

depends

as

much

upon

proper

installation

and

maintenance

by

the

user

as

it

does

upon

the

careful

design

and

fabrication

by

Siemens

.

Signal

Words

The

signal

words

"

Danger

"

,

"

Warning

"

and

"

Caution

"

used

in

this

manual

indicate

the

degree

of

hazard

that

may

be

encountered

by

the

user

.

These

words

are

defined

as

:

Danger

-

Indicates

an

imminently

hazardous

situation

which

,

if

not

avoided

,

will

result

in

death

or

serious

injury

.

Warning

-

Indicates

a

potentially

hazardous

situation

which

,

if

not

avoided

,

could

result

in

death

or

serious

injury

.

The

purpose

of

this

Instruction

Manual

is

to

assist

the

user

in

developing

safe

and

efficient

procedures

for

the

installation

,

maintenance

and

use

of

the

equipment

.

Caution

-

indicates

a

potentially

hazardous

situation

which

,

if

not

avoided

,

may

result

in

minor

or

moderate

injury

.

Contact

the

nearest

Siemens

representative

if

any

additional

information

is

desired

.

Caution

(

without

safety

alert

symbol

)

-

indicates

a

potentially

hazardous

situation

which

,

if

not

avoided

,

may

result

in

property

damage

.

A

DANGER

Hazardous

voltages

and

high

-

speed

moving

parts

.

Will

cause

death

,

serious

injury

or

property

damage

.

To

avoid

electrical

shock

,

burns

and

entanglement

in

moving

parts

,

this

equipment

must

be

installed

,

operated

and

maintained

only

by

qualified

persons

thoroughly

familiar

with

the

equipment

,

instruction

manuals

and

drawings

.

Read

and

understand

this

instruction

manual

before

using

equipment

.

Field

Service

Operation

and

Warranty

Issues

Siemens

can

provide

competent

,

well

-

trained

Field

Service

Representatives

to

provide

technical

guidance

and

advisory

assistance

for

the

installation

,

overhaul

,

repair

and

maintenance

of

Siemens

equipment

,

processes

and

systems

.

Contact

regional

service

centers

,

sales

offices

or

the

factory

for

details

,

or

telephone

Siemens

Field

Service

at

1

-

800

-

347

-

6659

(

919

-

365

-

2200

outside

the

U

.

S

.

)

.

For

medium

-

voltage

customer

service

issues

,

contact

Siemens

at

1

-

800

-

347

-

6659

(

919

-

365

-

2200

outside

the

U

.

S

.

)

.

Qualified

Person

For

the

purpose

of

this

manual

a

Qualified

Person

is

one

who

is

familiar

with

the

installation

,

construction

or

operation

of

the

equipment

and

the

hazards

involved

.

In

addition

,

this

person

has

the

following

qualifications

:

•

Training

and

authorization

to

energize

,

de

-

energize

,

clear

,

ground

and

tag

circuits

and

equipment

in

accordance

with

established

safety

practices

.

•

Training

in

the

proper

care

and

use

of

protective

equipment

such

as

rubber

gloves

,

hard

hat

,

safety

glasses

,

face

shields

,

flash

clothing

,

etc

.

,

in

accordance

with

established

safety

procedures

.

•

Training

in

rendering

first

aid

.

2

Courtesy of NationalSwitchgear.com

General

Description

Standard

construction

details

of

the

switchgear

,

auxiliary

equipment

and

necessary

accessories

are

given

in

the

appropriate

sections

.

Special

mechanical

and

electrical

devices

,

furnished

in

accordance

with

purchase

order

requirements

,

are

covered

by

supplementary

instructions

submitted

with

this

instruction

book

.

The

equipment

furnished

has

been

designed

to

operate

in

a

system

having

the

circuit

capacity

specified

by

the

purchaser

.

If

for

any

reason

the

equipment

is

used

in

a

different

system

,

or

if

the

short

-

circuit

capacity

of

the

system

is

increased

,

the

ratings

of

the

equipment

,

including

the

momentary

rating

of

the

switchgear

,

the

interrupting

capacity

of

the

circuit

breakers

,

and

the

bus

capacity

must

be

checked

.

Failure

on

the

part

of

the

user

to

receive

approval

of

intended

changes

from

Siemens

may

cause

voiding

the

warranty

.

Figure

7

.

Typical

Indoor

Type

GM

SG

Switchgear

Introduction

The

successful

performance

and

application

of

Metal

-

Clad

Switchgear

depends

as

much

on

proper

installation

and

maintenance

as

it

does

on

good

design

,

careful

manufacture

and

correct

application

.

Siemens

Type

GM

-

SG

Metal

-

Clad

Switchgear

is

precision

built

equipment

designed

to

function

efficiently

under

normal

operating

conditions

.

It

is

designed

and

manufactured

to

operate

within

the

parameters

established

in

ANSI

/

IEEE

C

37

standards

for

Metal

-

Clad

Switchgear

.

Performance

requirements

of

these

standards

have

been

met

or

exceeded

by

these

designs

.

The

principal

standard

which

applies

to

this

class

of

switchgear

is

ANSI

/

IEEE

C

37.20

.

2

,

"

Metal

-

Clad

Switchgear

"

.

This

equipment

is

not

classified

as

arc

-

resistant

switchgear

,

and

has

not

been

tested

for

resistance

to

internal

arcing

per

IEEE

C

37.20

.

7

.

The

instructions

included

in

this

manual

are

provided

to

aid

you

in

obtaining

longer

and

more

economical

service

from

your

Siemens

switchgear

.

For

proper

installation

and

operation

,

this

information

should

be

distributed

to

your

operators

and

engineers

.

By

carefully

following

these

instructions

,

difficulties

should

be

avoided

.

Flowever

,

these

instructions

are

not

intended

to

cover

all

details

of

variations

that

may

be

encountered

in

connection

with

the

installation

,

operation

and

maintenance

of

this

equipment

.

Should

additional

information

be

desired

,

including

replacement

instruction

manuals

,

contact

your

Siemens

representative

.

General

Description

The

switchgear

described

in

this

manual

is

of

the

metal

-

clad

type

,

as

defined

in

ANSI

/

IEEE

C

37.20

.

2

.

All

parts

are

completely

enclosed

within

grounded

metal

barriers

.

Secondary

control

devices

and

primary

circuits

are

isolated

from

each

other

by

shutters

or

barriers

.

Primary

bus

and

joints

are

completely

encased

with

insulation

materials

to

suit

the

voltage

class

of

the

equipment

.

Siemens

switchgear

carries

a

type

designation

,

or

class

,

as

shown

in

Table

1

.

These

designations

may

appear

on

drawings

and

familiarity

with

them

will

simplify

communications

with

the

factory

.

Indoor

equipment

is

arranged

with

upper

and

lower

primary

compartments

and

a

center

secondary

compartment

in

the

front

of

the

equipment

.

Generally

,

primary

compartments

may

contain

either

a

drawout

circuit

breaker

or

interior

auxiliary

equipment

,

such

as

voltage

or

control

power

transformers

,

located

behind

a

front

panel

.

The

front

panels

can

be

used

for

relays

,

instruments

,

and

similar

devices

.

Primary

compartment

front

panels

may

be

opened

to

provide

access

to

the

circuit

breaker

or

interior

auxiliary

equipment

while

the

secondary

compartment

front

panel

provides

access

to

secondary

control

equipment

.

Typical

indoor

switchgear

is

shown

in

Figure

1

.

Table

1

.

Switchgear

Designation

DESIGN

TYPE

Indoor

GM

-

SG

Shelter

-

Clad

Single

-

Aisle

Outdoor

SGM

-

SG

Shelter

-

Clad

Common

-

Aisle

Outdoor

SGM

-

SG

Non

-

Walk

-

in

Outdoor

OGM

-

SG

Shelter

-

Clad

outdoor

equipment

consists

of

indoor

equipment

enclosed

in

a

weather

-

resistant

housing

complete

with

an

illuminated

,

walk

-

in

aisle

.

Circuit

breakers

can

be

moved

inside

the

aisle

and

control

devices

checked

without

exposure

to

the

elements

.

Non

-

Walk

-

In

outdoor

switchgear

consists

of

indoor

equipment

enclosed

in

a

weather

-

resistant

housing

complete

with

a

gasketed

outer

door

over

the

inner

front

panels

.

Circuit

breakers

can

be

moved

outside

of

the

cubicles

with

the

use

of

a

lift

truck

or

similar

handling

device

.

Non

-

Walk

-

ln

outdoor

equipment

is

used

where

an

enclosed

service

aisle

is

unnecessary

,

or

space

does

not

permit

its

use

.

Scope

These

instructions

cover

the

installation

,

operation

and

maintenance

of

Siemens

type

GM

-

SG

metal

-

clad

switchgear

assemblies

,

using

horizontal

drawout

vacuum

circuit

breakers

.

The

equipment

designs

described

in

this

manual

include

indoor

,

Shelter

-

Clad

walk

-

in

aisle

outdoor

,

and

non

-

walk

-

in

outdoor

configurations

for

application

up

to

15

kV

.

A

typical

indoor

switchgear

assembly

is

shown

in

Figure

1

.

All

diagrams

,

descriptions

and

instructions

apply

to

all

the

above

classes

and

designs

unless

noted

otherwise

.

3

Courtesy of NationalSwitchgear.com

Receiving

,

Handling

&

Storage

Receiving

Each

group

of

type

GM

-

SG

metal

-

clad

switchgear

is

securely

blocked

and

braced

for

shipment

.

It

is

crated

,

boxed

,

or

covered

as

required

by

shipping

conditions

.

Whatever

method

of

shipment

,

appropriate

precautions

are

taken

to

insure

its

safe

arrival

.

If

special

handling

is

required

,

it

is

so

indicated

.

Relatively

delicate

instruments

,

relays

,

and

other

devices

are

included

and

the

switchgear

assembly

must

be

handled

carefully

when

unloading

.

Normally

,

the

switchgear

is

shipped

with

the

associated

type

GMSG

vacuum

circuit

breakers

installed

in

their

respective

units

,

in

the

CONNECT

position

.

Refer

to

instruction

manual

E

50001

-

U

229

-

A

285

-

X

-

US

00

for

information

concerning

the

type

GMSG

circuit

breakers

.

blocking

of

equipment

.

During

unloading

,

make

sure

count

agrees

with

delivery

receipt

.

Make

immediate

inspection

for

visible

damage

upon

arrival

,

and

prior

to

disturbing

or

removing

packaging

or

wrapping

material

.

This

should

be

done

prior

to

unloading

when

possible

.

When

total

inspection

cannot

be

made

on

vehicle

prior

to

unloading

,

close

inspection

during

unloading

must

be

performed

and

visible

damage

noted

on

the

delivery

receipt

.

Take

pictures

if

possible

.

Any

visible

damage

must

be

noted

on

the

delivery

receipt

and

acknowledged

with

the

driver

'

s

signature

.

The

damage

should

be

detailed

as

much

as

possible

.

It

is

essential

that

a

notation

"

Possible

internal

damage

,

subject

to

inspection

"

be

included

on

delivery

receipt

.

If

the

driver

will

not

sign

the

delivery

receipt

with

damage

noted

,

the

shipment

should

not

be

signed

for

by

the

consignee

or

his

agent

.

Notify

Siemens

immediately

of

any

damage

,

at

1

-

800

-

347

-

6659

(

919

-

365

-

2200

outside

the

U

.

S

.

)

.

Arrange

for

a

carrier

inspection

of

damage

immediately

.

2

.

3

.

4

.

Identification

When

the

shipment

includes

more

than

one

shipping

group

or

equipment

for

more

than

one

substation

,

marking

tags

are

attached

to

each

crate

or

package

for

identification

.

The

drawing

number

on

the

tag

is

also

on

the

shipping

list

.

The

shipping

list

identifies

the

contents

with

the

unit

numbers

included

in

the

shipping

group

.

Refer

to

the

general

arrangement

drawing

for

the

location

of

each

unit

within

the

group

lineup

.

Use

this

information

to

simplify

the

assembly

operation

and

save

unnecessary

handling

.

5

.

IMPORTANT

:

Do

not

move

equipment

from

the

place

it

was

set

when

unloading

.

Also

,

do

not

remove

or

disturb

packaging

or

wrapping

material

prior

to

carrier

damage

inspection

.

Equipment

must

be

inspected

by

carrier

prior

to

handling

after

receipt

.

This

eliminates

loss

due

to

claims

by

carrier

that

equipment

was

damaged

or

further

damaged

on

site

after

unloading

.

6

.

Be

sure

equipment

is

properly

protected

from

any

further

damage

by

covering

it

properly

after

unloading

.

7

.

If

practical

,

make

further

inspection

for

possible

concealed

damage

while

the

carrier

'

s

inspector

is

on

site

.

If

inspection

for

concealed

damage

is

not

practical

at

the

time

the

carrier

'

s

inspector

is

present

,

it

must

be

done

within

15

days

of

receipt

of

equipment

.

If

concealed

damage

is

found

,

the

carrier

must

again

be

notified

and

inspection

made

prior

to

taking

any

corrective

action

to

repair

.

Also

notify

Siemens

immediately

at

1

-

800

-

347

-

6659

(

919

-

365

-

2200

outside

the

U

.

S

.

)

.

8

.

Obtain

the

original

of

the

carrier

inspection

report

and

forward

it

along

with

a

copy

of

the

noted

delivery

receipt

to

Siemens

at

1

-

800

-

347

-

6659

(

919

-

365

-

2200

outside

the

U

.

S

.

)

.

Approval

must

be

obtained

by

Siemens

from

the

carrier

before

any

repair

work

can

be

performed

.

Before

approval

can

be

obtained

,

Siemens

must

have

the

above

referenced

documents

.

The

carrier

inspection

report

and

/

or

driver

'

s

signature

on

the

delivery

receipt

does

not

constitute

approval

to

repair

.

Note

:

Any

determination

as

to

whether

the

equipment

was

properly

loaded

or

properly

prepared

by

shipper

for

over

-

the

-

road

travel

cannot

be

made

at

the

destination

.

Shipments

are

not

released

from

the

factory

without

a

clear

bill

of

lading

.

Approved

methods

are

employed

for

preparation

,

loading

,

blocking

and

tarping

of

the

equipment

before

it

leaves

the

Siemens

factory

.

If

the

equipment

is

received

in

a

damaged

condition

,

this

damage

to

the

equipment

has

to

have

occurred

while

en

route

due

to

conditions

beyond

Siemens

control

.

If

the

procedure

outlined

above

is

not

followed

by

the

consignee

,

purchaser

,

or

his

agent

,

Siemens

cannot

be

held

liable

for

repairs

.

Siemens

will

not

be

held

liable

for

repairs

in

any

case

where

the

work

was

performed

prior

to

authorization

from

Siemens

.

Inspection

and

Unpacking

Inspect

the

equipment

as

soon

as

possible

after

receiving

for

any

damage

that

may

have

occurred

in

transit

.

Before

unpacking

,

examine

the

package

itself

,

as

a

damaged

package

may

indicate

an

area

of

damage

within

.

Be

careful

when

unpacking

equipment

.

The

use

of

sledge

hammers

and

crowbars

may

damage

the

finish

,

if

not

the

equipment

itself

.

Use

nail

pullers

.

After

unpacking

,

examine

equipment

for

any

possible

damage

.

Check

the

shipping

manifest

to

be

certain

that

all

items

have

been

received

.

If

there

is

a

shortage

,

make

certain

it

is

noted

on

the

freight

bill

and

contact

the

carrier

immediately

.

Notify

Siemens

medium

voltage

customer

service

at

1

-

800

-

347

-

6659

(

919

-

365

-

2200

outside

the

U

.

S

.

)

of

any

shortage

or

damage

.

Shipping

Damage

Claims

IMPORTANT

:

The

way

visible

shipping

damage

is

treated

by

consignee

prior

to

signing

the

delivery

receipt

can

determine

the

outcome

of

the

damage

claim

to

be

filed

.

Notification

to

carrier

within

the

15

day

limit

on

concealed

damage

is

essential

if

loss

resulting

from

unsettled

claims

is

to

be

eliminated

or

minimized

.

1

.

When

shipment

arrives

,

note

whether

equipment

is

properly

protected

from

the

elements

.

Note

trailer

number

on

which

the

equipment

arrived

.

Note

4

Courtesy of NationalSwitchgear.com

Receiving

,

Handling

&

Storage

Lifting

and

Moving

There

are

a

number

of

methods

that

can

be

used

in

handling

the

switchgear

which

,

when

properly

employed

,

will

not

damage

the

switchgear

sections

.

The

handling

method

used

will

be

determined

by

conditions

and

available

equipment

at

the

installation

site

.

Lifting

with

a

crane

is

the

preferred

method

of

handling

;

however

,

overhead

obstructions

or

low

ceilings

often

dictate

the

method

to

be

used

.

Rollers

,

jacks

or

fork

lift

trucks

may

be

used

prior

to

removal

of

wooden

skids

.

A

WARNING

Heavy

weight

.

Can

result

in

death

,

serious

personal

injury

or

property

damage

.

Observe

all

handling

instructions

in

this

instruction

manual

to

prevent

tipping

or

dropping

of

equipment

.

T

Figure

2

.

Lifting

Indoor

Switchgear

with

Crane

Moving

Switchgear

in

Obstructed

Areas

without

a

Crane

Within

buildings

and

obstructed

areas

,

where

a

crane

cannot

be

used

,

move

switchgear

with

rollers

,

cribbing

,

jacks

and

other

such

equipment

as

may

be

required

to

meet

the

situation

.

Forklift

trucks

should

be

used

with

discretion

as

improper

lift

points

could

cause

extreme

damage

to

equipment

.

For

this

reason

,

use

of

a

forklift

truck

to

handle

or

move

switchgear

is

not

recommended

.

Jacks

may

be

used

to

lift

switchgear

which

is

properly

supported

by

sturdy

timbers

.

To

prevent

distortion

of

the

cubicles

,

rollers

and

cribbing

of

equal

height

must

be

used

in

sufficient

number

to

evenly

distribute

the

load

.

Figure

3

shows

a

method

of

using

jacks

on

indoor

switchgear

to

facilitate

the

use

of

rollers

under

the

shipping

skid

.

Care

must

be

used

to

prevent

damage

to

instruments

,

relays

,

and

devices

,

and

to

maintain

the

stability

of

the

timbers

.

Remove

rollers

and

lower

the

switchgear

carefully

.

Leave

wooden

skids

(

when

provided

)

in

place

during

moving

operation

until

final

location

is

reached

.

Each

group

of

switchgear

has

provisions

for

attaching

lifting

equipment

.

Though

the

lift

points

vary

in

location

on

indoor

,

Shelter

-

Clad

outdoor

,

and

non

-

walk

-

in

outdoor

designs

,

all

are

designed

for

use

with

a

crane

of

adequate

height

and

capacity

.

To

estimate

the

maximum

required

crane

capacity

,

multiply

the

number

of

sections

to

be

lifted

by

5300

pounds

(

2400

kg

)

.

A

drawing

pocket

(

or

holder

)

is

provided

on

each

lineup

of

switchgear

.

This

drawing

pocket

includes

a

general

arrangement

drawing

of

the

switchgear

lineup

,

plus

a

drawing

with

installation

and

handling

instructions

for

the

equipment

.

The

drawing

pocket

is

normally

located

at

the

left

end

of

the

lineup

.

Review

this

information

carefully

before

moving

the

equipment

.

Indoor

Switchgear

Before

removing

the

protective

packing

materials

,

indoor

equipment

may

be

moved

by

crane

with

lift

cables

attached

through

the

packaging

to

the

lifting

bars

on

the

top

of

the

switchgear

.

If

crane

facilities

are

unavailable

,

or

if

tight

spaces

prevent

use

of

a

crane

,

rollers

under

the

skids

may

be

used

.

Lifting

Indoor

Switchgear

with

Crane

Recommended

lifting

of

indoor

switchgear

is

by

means

of

lifting

cables

connected

to

an

overhead

crane

.

The

lifting

cables

are

connected

to

the

eyes

in

the

top

lifting

bars

.

One

set

of

lifting

bars

is

located

near

the

front

of

the

switchgear

,

while

another

set

of

lift

bars

is

located

closer

to

the

middle

of

the

switchgear

,

as

illustrated

in

Figure

2

.

A

crane

with

sufficient

height

should

be

used

so

the

load

angle

(

from

horizontal

)

on

the

lifting

cables

will

be

at

least

45

degrees

,

when

viewed

from

the

front

or

the

rear

.

A

lesser

angle

could

cause

the

equipment

to

be

damaged

.

The

lifting

cables

must

have

spreaders

from

front

to

rear

to

prevent

twisting

the

lift

bars

.

Figure

3

.

Moving

Switchgear

with

Jacks

and

Rollers

5

Courtesy of NationalSwitchgear.com

Receiving

,

Handling

&

Storage

Figure

4

shows

a

method

of

moving

the

switchgear

into

the

final

position

,

after

it

has

been

moved

near

to

the

final

position

using

another

method

.

Figure

6

.

Moving

Outdoor

Switchgear

with

Jacks

and

Rollers

Figure

6

shows

a

method

of

using

jacks

on

outdoor

switchgear

to

facilitate

the

use

of

rollers

under

the

shipping

skid

.

Care

must

be

used

with

this

method

to

prevent

damage

to

the

doors

and

to

maintain

stability

of

the

timbers

.

Refer

to

previous

section

for

additional

information

.

Figure

4

.

Moving

Switchgear

in

Obstructed

Areas

without

Crane

-

Final

Positioning

The

method

of

lifting

non

-

walk

-

in

or

Shelter

-

Clad

outdoor

equipment

is

shown

in

Figure

5

.

The

load

angles

(

from

horizontal

)

on

the

lifting

cables

,

as

viewed

from

the

front

or

rear

,

must

be

at

least

45

degrees

.

A

lesser

angle

could

damage

the

equipment

.

The

lifting

cables

must

have

spreaders

front

-

to

-

back

and

side

-

to

-

side

to

protect

the

equipment

.

The

recommended

lifting

pipe

size

(

Ref

.

ASTM

A

-

53

)

is

type

XXS

2

-

1

/

2

"

nominal

(

2.875

"

(

73

mm

)

OD

,

1.771

"

(

45

mm

)

ID

)

.

The

lifting

pipe

should

be

at

least

24

"

(

610

mm

)

longer

than

the

depth

of

the

switchgear

,

and

should

include

adequate

means

to

prevent

the

lifting

cables

from

slipping

off

of

the

lifting

pipe

during

use

.

Final

Movement

of

Assembly

Proper

final

movement

and

connection

of

the

assembly

requires

that

several

items

be

completed

:

1

.

Preplan

sequence

of

installation

movements

and

connections

.

2

.

Where

equipment

must

be

slid

into

final

location

,

start

with

the

left

end

shipping

group

and

continue

in

sequence

.

Secondary

conduits

which

stub

-

up

above

floor

level

may

block

sliding

.

3

.

Protect

equipment

and

external

items

(

e

.

g

.

,

instruments

,

relays

,

etc

.

)

from

damage

during

movement

.

Be

sure

to

have

smooth

,

unobstructed

surfaces

where

the

equipment

is

to

be

slid

.

Keep

access

openings

clear

.

4

.

Prepare

for

the

connections

across

shipping

splits

before

the

equipment

is

moved

into

final

position

.

Interunit

bus

supports

and

bus

joint

boots

should

be

removed

using

side

,

rear

and

front

access

options

as

required

.

Note

the

mounting

position

and

orientation

and

save

hardware

for

use

in

reinstallation

.

5

.

Thread

coiled

wires

across

shipping

splits

into

interunit

wire

trough

prior

to

moving

equipment

into

its

final

position

.

6

.

Where

top

lift

capability

is

available

,

shipping

pallets

and

other

packaging

materials

may

be

removed

before

the

last

move

into

the

final

position

.

Figure

5

.

Lifting

Outdoor

Switchgear

with

Crane

6

Courtesy of NationalSwitchgear.com

Receiving

,

Handling

&

Storage

7

.

Where

top

lift

capability

is

not

available

,

protect

the

switchgear

bottom

with

support

timbers

and

move

with

jacks

and

rollers

just

to

the

side

of

its

final

position

.

Remove

rollers

,

shipping

pallets

and

other

packaging

materials

and

remove

jacking

facilities

.

Clear

any

obstructions

.

The

equipment

may

be

slid

sideways

up

to

6

inches

(

152

mm

)

to

join

the

shipping

split

.

Any

sliding

force

must

be

carefully

applied

across

the

bottom

4

inches

(

100

mm

)

of

the

switchgear

side

with

proper

cribbing

to

fully

distribute

the

force

across

the

full

depth

of

side

.

See

Figure

4

.

8

.

See

"

Installation

"

section

for

additional

important

information

.

Storage

:

Non

-

Walk

-

In

Outdoor

Switchgear

When

it

is

necessary

to

store

non

-

walk

-

in

outdoor

switchgear

in

an

area

exposed

to

the

weather

or

under

humid

conditions

,

energize

the

space

heaters

provided

and

make

certain

that

louvers

and

vents

are

uncovered

to

allow

air

to

circulate

.

If

at

all

possible

,

erect

the

switchgear

at

the

permanent

location

even

though

it

may

be

some

time

before

the

equipment

is

used

.

If

the

equipment

cannot

be

erected

at

the

permanent

location

immediately

,

cover

shipping

splits

to

protect

from

the

elements

.

Access

to

the

heater

circuit

is

gained

by

opening

the

door

to

the

instrument

panel

compartment

.

Refer

to

wiring

diagram

drawing

for

space

heater

circuit

connections

.

Connect

batteries

(

if

provided

)

to

a

charger

.

Lubricate

hinges

,

shutters

,

and

other

moving

parts

.

Storage

:

Indoor

Switchgear

When

switchgear

is

not

to

be

installed

immediately

,

it

should

be

unpacked

,

inspected

within

15

days

of

receipt

and

stored

in

a

clean

dry

location

.

Indoor

switchgear

is

neither

weather

-

resistant

nor

drip

-

resistant

.

Therefore

,

it

should

be

stored

indoors

.

If

it

is

to

be

kept

in

a

humid

or

unheated

area

,

provide

an

adequate

covering

and

place

a

heat

source

of

approximately

500

watts

output

within

each

vertical

section

to

prevent

condensation

.

Space

heaters

are

not

standard

equipment

on

indoor

switchgear

.

Lubricate

any

moving

parts

such

as

hinges

,

shutters

,

etc

.

,

if

storage

is

for

an

extended

period

of

time

.

When

batteries

are

supplied

,

connect

them

to

a

charger

.

Storage

:

Type

GMSG

Vacuum

Circuit

Breakers

and

Lift

Truck

Vacuum

circuit

breakers

,

if

not

installed

in

their

respective

switchgear

compartments

,

must

be

stored

indoors

.

Outdoor

storage

of

circuit

breakers

(

other

than

inside

their

respective

switchgear

compartments

)

is

NOT

RECOMMENDED

.

If

furnished

,

the

lift

truck

for

handling

circuit

breakers

should

be

stored

indoors

.

The

lifting

mechanism

can

be

damaged

by

extended

outdoor

storage

.

For

short

-

term

(

30

days

or

less

)

storage

,

the

lift

truck

may

be

stored

outdoors

,

provided

that

it

is

adequately

covered

to

protect

it

from

the

weather

.

Lubricate

lifting

mechanism

,

sliding

and

rolling

elements

.

Storage

:

Shelter

-

Clad

Outdoor

Switchgear

When

it

is

necessary

to

store

Shelter

-

Clad

outdoor

equipment

in

a

location

exposing

it

to

the

weather

,

or

in

a

humid

location

,

energize

the

space

heaters

provided

within

the

sections

and

make

certain

that

louvers

and

vents

are

uncovered

to

allow

air

to

circulate

.

If

at

all

possible

,

erect

the

aisle

section

and

install

the

switchgear

at

the

permanent

location

even

though

it

may

be

some

time

before

the

equipment

is

used

.

If

the

equipment

cannot

be

erected

at

the

permanent

location

immediately

,

cover

shipping

splits

to

protect

from

the

elements

.

Regardless

of

what

method

of

storage

is

used

,

remove

the

aisle

wall

from

in

front

of

instrument

panels

to

gain

access

to

the

space

heater

circuit

so

that

heaters

can

be

energized

.

Refer

to

wiring

diagram

drawing

for

space

heater

circuit

connections

.

Replace

the

aisle

wall

and

seal

from

the

elements

,

or

cover

for

protection

from

the

weather

.

Connect

batteries

(

if

provided

)

to

a

charger

.

Lubricate

hinges

,

shutters

,

and

other

moving

parts

.

7

Courtesy of NationalSwitchgear.com

Installation

Preparation

for

Installation

Prior

to

installation

of

switchgear

,

study

this

instruction

manual

and

the

switchgear

drawings

,

such

as

general

arrangement

,

three

-

line

diagram

,

schematic

diagrams

,

wiring

diagrams

,

installation

instruction

drawing

,

panel

arrangement

and

panel

arrangement

bill

of

material

,

nameplate

engraving

list

,

and

accessories

drawing

.

Special

attention

should

be

given

to

the

foundation

information

contained

in

this

manual

as

well

as

the

information

provided

on

the

equipment

drawings

.

Be

sure

that

the

foundation

conforms

to

the

requirements

described

in

this

manual

and

the

general

arrangement

drawing

.

Outdoor

Foundations

Whichever

type

of

foundation

is

used

(

e

.

g

.

,

concrete

slab

,

sill

channels

,

piers

or

pilings

)

,

it

must

have

smooth

and

level

surfaces

.

Surfaces

supporting

the

switchgear

must

be

in

the

same

horizontal

plane

within

1

/

16

"

(

1.6

mm

)

.

If

these

conditions

are

not

met

,

it

will

be

necessary

to

use

shims

when

installing

the

switchgear

.

For

outdoor

switchgear

,

support

shall

be

provided

at

each

end

and

at

the

side

of

every

second

cubicle

,

so

that

the

span

between

supports

does

not

exceed

36

"

(

914

mm

)

.

Refer

to

Figures

8

and

10

,

and

the

switchgear

general

arrangement

drawing

for

locations

of

support

and

anchoring

points

.

If

pilings

are

used

,

the

diameter

is

to

be

determined

by

purchaser

,

;

however

,

they

should

not

be

less

than

12

"

(

305

mm

)

diameter

for

sufficient

contact

,

room

for

anchor

bolts

,

and

grouting

in

of

bed

plates

(

if

used

)

.

All

shipping

splits

must

be

properly

supported

.

Any

conduits

which

are

installed

in

concrete

must

be

perpendicular

to

switchgear

mounting

surface

.

Conduits

should

extend

a

minimum

of

6

-

3

/

4

"

(

171

mm

)

to

a

maximum

of

7

-

1

/

2

"

(

190

mm

)

above

mounting

surface

.

This

will

allow

the

conduit

to

enter

the

cubicle

and

exclude

entry

of

water

and

rodents

.

Exception

:

If

switchgear

will

be

throat

-

connected

to

a

power

transformer

,

see

"

Installing

Switchgear

with

Throat

Connection

to

Power

Transformer

"

for

restrictions

on

height

of

conduits

for

both

primary

and

secondary

conduits

.

Figures

8

-

9

show

the

method

of

anchoring

outdoor

Shelter

-

Clad

(

walk

-

in

)

switchgear

,

and

Figure

10

shows

the

method

of

anchoring

outdoor

non

-

walk

-

in

switchgear

.

Foundation

-

General

Requirements

Prior

to

installation

of

the

switchgear

,

careful

design

,

planning

and

construction

of

the

foundation

or

base

on

which

the

switchgear

will

rest

must

be

made

.

A

thorough

analysis

and

careful

construction

may

alleviate

many

problems

at

the

time

of

installation

,

and

during

operation

.

It

is

important

that

a

true

and

level

surface

be

provided

,

capable

of

supporting

the

weight

of

the

switchgear

and

other

related

equipment

.

If

the

switchgear

cannot

be

lowered

over

conduits

because

of

headroom

or

other

restrictions

,

conduit

couplings

may

be

grouted

in

flush

with

foundation

,

and

conduit

nipples

added

after

the

switchgear

is

in

place

.

Conduits

should

be

capped

during

construction

to

prevent

entry

of

dirt

,

moisture

and

vermin

.

All

sill

channels

,

bed

plates

,

shims

and

anchoring

hardware

are

furnished

by

purchaser

unless

covered

by

contract

.

Indoor

Foundations

As

it

is

difficult

to

obtain

a

true

and

level

floor

on

a

concrete

slab

,

it

is

highly

recommended

that

4

"

(

minimum

)

sill

channels

be

grouted

into

the

floor

as

shown

in

Figure

7

.

The

surface

of

the

sills

should

be

slightly

above

floor

level

.

The

surfaces

of

the

sills

must

be

level

and

in

the

same

horizontal

plane

within

1

/

16

"

(

1.6

mm

)

.

There

should

be

no

projection

above

this

plane

within

the

area

covered

by

the

switchgear

.

If

the

floor

or

sills

do

not

meet

this

requirement

,

it

will

be

necessary

to

use

shims

when

installing

the

switchgear

on

the

mounting

surface

.

Figure

7

illustrates

the

location

for

sill

channels

for

anchoring

indoor

switchgear

.

Cubicles

may

be

anchored

to

sills

by

use

of

1

/

2

"

(

or

12

mm

)

diameter

anchor

bolts

,

or

welded

in

position

.

Important

:

In

the

switchgear

primary

entrance

area

,

steel

reinforcing

rods

or

mesh

in

concrete

must

not

pass

through

the

space

shown

on

the

general

arrangement

drawing

,

even

though

cored

or

bored

holes

in

concrete

may

miss

rods

or

mesh

.

A

single

phase

of

a

system

should

not

be

encircled

by

ferrous

metals

.

8

Courtesy of NationalSwitchgear.com