GE POWERMASTER AKD-5 User manual

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INSTRUCTIONS

SUPERSEDES

GEI

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SWITCHGEAR

DEPARTMENT

GENERAL

ELECTRIC

V

PHILADELPHIA

.

PA

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Courtesy of NationalSwitchgear.com

:

GEl

-

90890

AKD

-

5

Power

master

Switchgear

/

CONTENTS

Assembly

of

Equipment

To

Hoist

a

Breaker

To

Insert

Breakers

Breaker

Operation

Outdoor

Equipment

,

Main

Cables

*

.

,

*

.

,,

,

.

Field

Welding

Procedure

Testing

and

Inspection

10

MAINTENANCE

Breaker

and

Instrument

:

Compartments

Bus

Compartment

Paint

Refinishing

.

11

*

.

8

RECEIVING

,

HANDLING

,

STORAGE

•

Receiving

Handling

,

»

.

,

•

*

»

,

*

.

*

»

,

«

,

*

9

-

Storage

.

4

EQUIPMENT

INSTALLATION

P

r

ior

to

Installation

.

*

.

Location

.

...

,

Foundation

Requirements

,

.

,

Removing

Shipping

Skid

Indoor

Equipment

Only

Anchoring

.

il

/

m

,

«

*

.

>

.

i

<

»

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«

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«

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8

INTRODUCTION

9

13

3

DESCRIPTION

.

,

.

Front

Enclosure

.

,

.

,

.

Breaker

Compartment

Bus

Compartment

.

Feeder

Cable

and

Bus

Duct

Compartment

.

,

Outdoor

Equipment

.

,

Drawout

Mechanism

Operation

Inter

locks

,

13

,

.

,

4

10

13

•

*

,

«

»

*

.

,

y

«

,

»

14

.

»

,

»

,

.

6

10

,

.

,

.

,

24

.

4

10

7

24

,

.

4.4

,

..

»

«

.

*

,

.

,

«

,

24

11

21

.

«

*

.

«

*

»

*

»

24

11

22

1

LOAD

CENTER

UNIT

SUBSTATION

—

-

AKD

-

5

LOW

VOLTAGE

SECTION

SHIPPING

PACKAGE

TRANSFORMER

*

LVP

PRIMARY

SECTION

-

^

SHIPPING

PACKAGE

SWITCH

UNIT

OOI

SHIPPING

PACKAGE

_

BR

£

AKER

UNIT

'

S

AUXILIARY

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UNIT

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UNIT

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Outline

Of

A

Typical

Load

Contes

Showing

Nomenclature

.

2

Courtesy of NationalSwitchgear.com

AKD

-

5

POWERMASTER

LOW

VOLTAGE

DRAWOUT

SWITCHGEAR

V

i

-

INTRODUCTION

refull

3

.

When

required

:

a

.

Control

wiring

diagram

,

b

.

Elementary

or

schematic

wiring

diagrams

.

install

_

Low

Voltage

"

Drawout

Switchgear

;

It

should

be

carefully

read

before

installation

and

initial

operation

of

the

equipment

.

:

1

.

Front

view

and

floor

plan

drawings

These

show

the

general

arrange

-

ment

,

height

,

recommended

aisle

.

space

,

etc

2

.

Summary

of

switchgear

equipment

-

This

is

a

partial

parts

list

,

giving

catalog

numbers

of

all

breakers

,

devices

,

etc

.

All

of

these

documents

are

needed

for

installation

,

operation

and

maintenance

of

the

equipment

,

For

application

and

specification

infor

-

mation

refer

to

GEA

-

3592

N

"

Powermaster

AKD

-

5

Low

Voltage

Switchgear

.

*

’

.

w

.

..

i

M

Separate

Publications

will

be

supplied

V

•

‘

/

*

or

breakers

,

relays

or

other

devices

not

described

in

this

publication

.

A

pocket

has

been

provided

in

the

top

compartment

of

the

auxiliary

unit

for

per

-

manent

safekeeping

of

one

set

of

.

these

documents

.

DESCRIPTION

The

General

Electric

AKD

-

5

Low

Vol

-

tage

Drawout

Switchgear

is

an

assembly

of

metal

enclosed

,

free

standing

units

of

Power

Circuit

Breakers

and

other

auxili

-

ary

power

circuit

protective

devices

.

It

is

used

for

protection

and

control

of

power

.

circuits

and

electrical

apparatus

on

low

voltage

power

distribution

sy

the

utilization

voltage

is

600

less

.

CONTROL

^

WIRE

WAY

T

I

m

stems

where

volts

a

-

c

or

FULL

TROUGH

WHEN

REQUIRED

.

BREAKER

OR

INSTRUMENT

COMPARTMENT

.

BUS

The

.

current

rating

of

the

equipment

is

4000

amperes

maximum

.

AK

-

2

A

Power

Circuit

Breakers

used

in

the

equipmentare

rated

from

15

amperes

to

4000

amperes

,

The

AKD

-

5

Low

Voltage

Drawout

switchgear

consists

of

one

or

more

units

mechanically

and

electrically

joined

to

make

a

single

coordinated

equipment

.

This

equipment

may

consist

of

either

free

-

standing

units

or

a

complete

load

-

center

unit

substation

.

A

load

-

center

unit

substation

consists

of

an

incoming

line

(

primary

)

section

pro

-

viding

the

necessary

high

voltage

primary

cable

termination

facilities

,

sometimes

in

-

cluding

an

Interrupter

switch

,

a

trans

-

former

section

to

transform

from

the

primary

voltage

(

nominally

2

,

4

to

13

,

8

kv

)

to

the

utilization

-

voltage

of

600

volts

or

less

,

and

an

outgoing

section

for

connection

to

one

or

more

outgoing

low

-

voltage

feeder

units

.

I

A

CABLE

OF

BUSWAY

awr

BREAKER

COMPARTMENT

*

t

B

ISOLATING

BARRIER

MAIN

a

TIE

UNITS

LOAD

STU

IIQIt

POSITION

if

;

BREAKER

COMPARTMENT

The

load

-

center

unit

substation

may

be

single

ended

,

with

only

one

power

.

trans

-

former

,

or

double

-

ended

with

a

.

’

power

transformer

on

both

ends

.

If

an

equipment

is

too

long

for

hand

-

1

'

ling

in

one

piece

,

it

is

split

into

two

or

more

packages

in

the

factory

for

assembly

at

the

job

site

.

/

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P

:

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.

2

(

0148

A

5073

-

0

)

Side

View

Showing

Compartmentation

.

These

instructions

do

not

purport

to

cover

a

/

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

Genera

/

B

/

ectric

Company

.

m

•

*

•

-

V

3

.

Courtesy of NationalSwitchgear.com

GEI

-

90

G

90

AKD

-

5

Powermaster

Switchgear

the

sides

of

the

compartment

,

Fig

.

4

*

The

drawout

mechanism

is

shown

in

an

Figure

1

shows

the

outline

of

a

typ

-

devices

is

described

in

the

following

para

-

ical

single

-

ended

load

center

unit

substation

graphs

,

showing

nomencleature

used

,

Figure

2

shows

the

outline

of

the

side

section

of

a

FRONT

ENCLOSURE

typical

unit

showing

compartmentation

.

exploded

view

,

Fig

.

19

,

and

its

operation

is

explained

in

detail

later

in

the

manualf

;

v

'

:

%

under

Drawout

Mechanism

Operation

.

^

The

front

enclosure

of

each

breaker

All

of

the

switching

and

protective

and

device

unit

is

divided

into

individual

devices

,

control

and

metering

devices

as

breaker

compartments

which

house

the

pow

-

weli

as

the

control

fuses

and

necessary

er

circuit

breaker

or

instrument

compart

-

instrument

transformers

are

mounted

in

ments

that

contain

instruments

and

other

this

enclosure

.

The

breaker

positions

are

protective

devices

and

control

components

,

all

of

the

drawout

type

.

The

breakers

are

provided

with

self

-

couplingprimary

and

secondary

disconnecting

contacts

and

in

-

..

4

Corporate

positive

and

indirect

interlocks

The

breaker

is

supported

within

its

to

insure

proper

operating

sequence

.

Each

compartment

by

a

rollout

track

which

is

of

the

individual

units

,

compartments

and

part

of

the

drawout

mechanism

attached

to

All

AK

-

2

A

power

air

circuit

breakers

of

the

same

type

and

rating

,

;

which

have

duplicate

wiring

,

may

be

interchanged

.

Each

breaker

compartment

has

four

positions

.

They

are

;

1

.

The

Connected

Position

-

The

breaker

is

in

the

operating

position

,

both

pri

-

mary

and

secondary

contacts

made

and

the

door

closed

,

BREAKER

COMPARTMENT

r

;

•

K

^

/

y

-

SECONDARY

DISCONNECTS

AMMETER

SWITCH

KIRK

LOCK

-

CURRENT

TRANSFORMER

”

CLOSE

FUSES

TRIP

FUSES

TRACK

LOCK

LINK

TRACK

LOCK

LINK

OPERATING

SHAFT

M M

:

SHAFT

INDICATOR

CHAIN

COVER

POSITION

SWITCH

•

/

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•

••

•

,

s

.

£

Fig

.

3

(

8035643

)

M

-

25

Compartment

4

Courtesy of NationalSwitchgear.com

AKD

-

5

Powermaster

Switchgear

GEl

-

90890

!

SECONDARY

DISCONNECTS

TEST

SWITCH

-

CLOSE

FUSES

KIRK

LOCK

TRIP

FUSES

TRACK

LOCK

STOP

LINK

CHAIN

COVER

OPERATING

,

SHAFT

JACK

~

SHAFT

INDICATOR

POSITION

CURRENT

SWITCH

TRANSFORMER

SECONDARY

DISCONNECTS

CLOSE

FUSES

—

TRIP

FUSES

KIRK

LOCK

TRACK

LOCK

-

STOP

LINK

OPERATING

SHAFT

'

JACK

SHAFT

INDICATOR

CURRENT

.

CHAIN

COVER

TRANSFORMER

POSITION

S

£

S

»

.

SWITCH

AK

~

7

5

Compartment

»

5

.

1

;

.

Courtesy of NationalSwitchgear.com

'

GEI

-

90890

AKD

-

5

Powermaster

Switchgear

2

,

The

Test

Position

-

Tthe

primary

compartment

door

panel

may

he

opened

in

In

the

38

inch

wide

section

used

for

(

power

)

contacts

are

not

made

but

the

'

any

position

,

it

is

recommended

that

the

housing

an

AK

-

2

A

-

100

breaker

,

the

bus

secondary

(

control

)

contacts

are

made

,

door

only

be

opened

with

the

breaker

in

compartment

extends

all

the

way

to

the

rear

Any

breaker

test

not

involving

power

the

fully

disengaged

position

,

Never

open

may

be

-

made

-

in

this

position

.

The

the

breaker

.

door

when

the

breaker

is

door

may

be

closed

in

this

position

,

energized

,

'

,

'

M

Oil

.

main

breaker

and

tie

breaker

units

V

<

the

bus

compartment

is

divided

into

^

an

upper

and

lower

section

by

an

isolation

.

barrier

,

providing

greater

reliability

and

safety

.

The

upper

section

contains

the

;

incoming

line

bus

,

fed

from

the

incoming

line

bus

connections

in

the

auxiliary

unit

,

*

«

rS

»

*

S

?

9

iK

2

SS

:

SSStt

ggggjflMSMSe

ment

ready

for

removal

from

the

for

a

particular

switchgear

section

.

This

equipment

.

The

door

must

be

open

in

bus

compartment

,

which

has

a

depth

of

14

-

1

/

4

inches

,

is

isolated

from

the

other

one

unit

to

another

,

a

factory

welded

joint

two

compartments

by

barriers

,

is

provided

.

At

shipping

splits

,

or

where

The

drawout

mechanism

is

designed

.

connections

are

to

be

made

to

other

units

with

mechanical

advantage

for

ease

of

A

typical

bus

arrangement

is

shown

,

or

equipment

during

installation

,

provision

•

breaker

insertion

and

withdrawal

.

The

with

the

rear

barrier

removed

in

Fig

,

0

.

is

made

for

either

making

a

field

welded

doors

on

the

breaker

compartments

do

not

The

all

-

welded

aluminum

bus

reduces

main

-

aluminum

joint

or

a

bolted

copper

joint

,

have

to

be

opened

to

move

the

breakers

in

tenance

since

only

a

minimum

number

of

whichever

the

purchaser

requests

.

When

or

out

.

Eacn

door

panel

is

provided

with

bolts

are

used

.

Bolts

are

used

for

supports

bolted

joints

are

provided

,

copper

angle

a

double

latch

,

operated

by

a

...

vertical

or

at

connections

which

must

be

made

in

brackets

are

welded

to

the

aluminum

bus

'

slide

lift

handle

.

Although

the

breaker

the

field

.

in

the

factory

.

BUS

COMPARTMENT

3

.

Disconnect

Position

-

Neither

the

pri

-

mary

nor

the

secondary

contacts

are

The

door

may

be

closed

.

The

bus

compartment

,

between

the

front

breaker

enclosure

and

the

rear

cable

made

.

Where

the

aluminum

bus

runs

from

this

position

*

See

Fig

.

18

.

-

v

*

.

$

v

-

C

-

*

fi

<

*

Fia

,

7

(

8914419

)

atypical

Cable

Arrangement

.

In

A

2

Qn

Wide

Unit

Fig

,

6

(

01063356

)

;

Bus

Compartment

With

Hear

Barrier

Removed

,

6

Courtesy of NationalSwitchgear.com

Ai

£

D

-

5

Powermaster

Switchgear

GEI

-

90890

of

this

compartment

,

providing

for

control

circuit

cabling

and

connections

.

Terminal

of

the

switchgear

cable

compartment

hear

boards

for

use

in

installation

are

provided

the

bottom

*

A

4

/

0

ground

connector

will

at

a

convenient

height

for

making

control

be

included

as

standard

on

each

equipment

for

connection

to

the

station

ground

.

Where

AKD

-

5

-

switchgear

is

shipped

in

more

than

'

A

neutral

bus

is

provided

in

the

cable

one

package

;

,

the

ground

bus

must

be

con

-

and

terminal

compartment

on

switchgear

nected

at

the

shipping

split

.

A

recommends

.

•

equipment

designed

for

four

wire

systems

,

ed

location

for

making

the

station

ground

is

It

consists

of

bolted

copper

bars

with

shown

on

the

floor

plan

drawing

furnished

silver

plated

connections

.

It

is

installed

with

the

equipment

,

at

either

a

height

of

about

18

inches

from

the

floor

or

at

about

6

feet

.

,

*

In

some

equipments

the

neutral

bus

is

provided

at

,

both

heights

.

The

neutral

bus

is

insulated

from

ground

.

A

grounding

link

is

provided

The

outdoor

switchgear

is

constructed

in

auxiliary

bus

entrance

units

for

ground

-

;

with

a

basic

indoor

equipment

,

completely

ing

the

neutral

on

grounded

'

four

wire

enclosed

in

a

weatherproof

housing

with

a

walk

-

in

front

aisle

*

Fig

.

8

.

Space

heaters

are

provided

in

all

outdoor

equipments

to

keep

the

inside

temperature

a

few

degrees

higher

than

that

outside

*

This

helps

prevent

CAUTION

:

It

is

very

important

that

the

condensation

and

the

resultant

corrosion

equipment

be

adequately

ground

-

which

might

otherwise

occur

*

The

heaters

.

v

:

ed

for

safety

,

.

The

ground

bus

is

bolted

to

the

rear

FEEDER

CABLE

AND

BUS

DUCT

-

COMPARTMENT

The

rear

cable

and

terminal

compart

*

ment

,

which

is

Isolated

from

the

bus

com

-

wiring

connections

*

partment

provides

adequate

room

for

easy

cable

installation

.

Straight

cable

runs

to

the

load

studs

,

at

the

load

side

of

the

feeder

circuit

breakers

are

provided

from

conduits

entering

from

above

or

below

*

.

Various

arrangements

of

single

or

double

cable

terminals

are

provided

With

the

equipment

,

depending

upon

the

purchaser

’

s

requirements

.

One

typical

terminal

ar

-

rangement

is

shown

in

Fig

.

7

,

Conduits

for

.

large

cables

should

be

near

the

rear

of

the

compartment

to

pro

-

vide

space

for

bending

these

cables

as

systems

,

necessary

.

The

terminals

can

accommodate

cables

from

size

#

8

to

1000

MCM

.

Beside

power

cable

connections

,

some

equipments

include

an

enclosed

.

wiring

trough

on

the

right

side

OUTDOOR

EQUIPMENT

s

Ground

Bus

should

be

energized

at

all

times

.

i

Y

-

5

'

v

•

’

^

v

. .

!

"

•

'

v

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-

•

T

.

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.

-

r

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i

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-

&

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.

'

0

(

8035636

)

rPypioal

Outdoor

Shipping

Section

.

7

Courtesy of NationalSwitchgear.com

5

GEI

-

90890

AKD

-

6

Powermaster

Switchgear

RECEIVING

,

HANDLING

AND

STORAGE

Located

in

Package

^

F

”

(

Indoor

Only

)

.

Hoist

Dolly

Hoist

Carriage

Package

"

L

"

or

'

TV

*

Auxiliary

Unit

Adapter

Box

(

On

large

transformers

only

)

Separate

Carton

Power

Circuit

.

Breaker

(

one

per

carton

)

.

Located

inside

the

switchgear

Aux

-

iliary

Unit

in

the

top

compartment

will

be

found

the

following

items

:

Instruction

Books

Installation

Drawing

Front

View

&

Floor

Plan

Drawings

Elementary

&

Electrical

Diagram

*

A

Trade

-

Mark

of

the

General

Electric

Company

,

to

the

package

.

When

unpacking

,

to

avoid

the

loss

of

small

parts

,

the

contents

of

Every

package

leaving

the

factory

is

each

case

should

be

carefully

checked

plainly

marked

with

case

number

,

requisi

-

against

the

packing

details

before

discarding

tion

number

and

customers

order

number

,

the

packing

material

,

A

list

of

miscel

-

If

,

for

any

reason

,

it

is

necessary

to

divide

laneous

parts

as

required

that

are

forwarded

the

equipment

for

shipment

,

the

unit

nura

-

with

the

equipment

,

and

how

they

are

nor

-

bers

of

the

portion

of

the

equipment

enclosed

mally

packed

or

shipped

,

is

included

below

,

in

each

shipping

package

are

identified

.

All

equipment

leaving

the

factory

is

carefully

inspected

and

packed

by

personnel

experienced

in

the

proper

handling

and

pack

-

ing

of

electrical

equipment

.

Upon

receipt

of

any

apparatus

,

make

an

inspection

im

-

mediately

for

damage

sustained

while

en

-

route

.

If

injury

is

evident

,

or

indication

of

rough

handling

is

visible

,

file

a

claim

for

damage

at

once

with

the

transportation

company

.

Notify

the

General

Electric

Company

Apparatus

Sales

Office

promptly

.

Information

on

damaged

parts

,

part

number

,

case

number

,

requisition

number

,

etc

.

,

should

accompany

the

claim

.

The

contents

of

each

shipping

package

listed

In

the

packing

details

attached

RECEIVING

!

Located

in

Package

MEM

CLF

*

Fuses

,

Splice

Plates

Tube

of

Contact

Lubricant

D

50

H

47

4

Can

of

Sand

Gray

Paint

.

Can

of

Blue

Paint

Weld

Splices

Can

of

Black

(

Gray

Scale

-

N

)

Paint

(

for

hoist

if

furnished

)

Bag

of

Hardware

Can

of

Thinner

Rubber

Seal

Cement

Test

Plugs

v

Floor

Clamps

Breaker

Closing

Device

(

for

elec

-

trical

breakers

only

)

y

are

i

rg

.

j

-

•

—

PT

JL

A

J

rl

f

\

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;

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>

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.

NOT

PUSNV

6

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WITH

EQUIPMENT

^

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^

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METHOD

OF

PACKING

•

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&

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NOT

FURNISHED

WITH

.

EQUIPMENT

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Fig

.

9

(

0673

D

0500

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002

-

5

)

Methods

Of

Handling

Indoor

Equipment

.

8

Courtesy of NationalSwitchgear.com

AKD

-

5

PowerMaster

Switchgear

;

GEI

-

90890

NOT

FURM

ISHED

X

SPREADER

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,

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;

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VIEW

FRONT

VIEW

JACKING

TIMBER

MOT

FURNISHED

REAR

OR

FRONT

£

*

-

i

-

.

:

.

BP

jACK

HERE

i

:

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0

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-

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10

E

VIEW

FOR

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^

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FRONT

OR

'

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V

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EW

FOR

JACKIN

6

Fig

,

10

(

O

673

DO

50

O

-

GO

3

-

3

)

Methods

Of

.

Handling

Outdoor

Equipment

,

HANDLING

Methods

of

handling

outdoor

switch

-

gear

,

shown

in

Fig

,

10

,

are

much

the

same

The

switchgear

units

,

may

be

most

as

for

indoor

equipments

except

that

lifting

conveniently

handled

by

a

crane

,

Removable

plates

are

provided

at

the

base

of

the

lugs

are

provided

on

top

of

the

switchgear

,

structure

.

The

lifting

plates

should

be

If

the

installer

uses

a

crane

for

lifting

a

removed

after

the

equipment

is

permanently

cable

spreader

must

be

used

'

to

obtain

a

anchored

,

so

that

passageway

at

the

ends

of

vertical

pull

on

the

lifting

lugsv

^

Recom

-

the

equipment

will

not

be

obstructed

,

mended

lifting

methods

are

showh

’

ln

Figs

,

9

and

10

.

If

it

is

necessary

to

store

the

equip

-

ment

for

any

length

of

time

,

the

following

precautions

should

be

taken

to

prevent

breakage

,

corrosion

,

damage

or

deteriora

-

tion

,

:

1

*

Uncrate

the

equipment

,

Check

thor

-

oughly

for

damage

.

Store

in

a

clean

,

dry

,

rodent

free

loca

-

tion

with

moderate

temperature

and

cover

with

a

suitable

canvas

to

prevent

dust

,

dirt

,

water

,

or

other

foreign

sub

-

stances

from

entering

the

switchgear

.

Air

circuit

breakers

are

shipped

sep

-

arately

in

individual

cartons

with

the

br

eaker

2

,

open

position

.

The

circuit

breaker

be

unpacked

as

soon

as

possible

If

crane

facilities

are

not

available

,

in

the

equipment

may

be

moved

into

position

should

by

means

of

construction

rollers

placed

after

it

has

been

received

and

inspected

,

/

*

X

;

\

under

the

shipping

skid

.

Where

overhead

*

is

too

low

,

the

shipping

skid

may

be

re

-

moved

and

the

equipment

moved

by

rollers

location

in

an

upright

position

.

It

must

be

placed

under

the

three

channels

under

the

properly

supported

to

prevent

bending

of

the

equipment

,

studs

or

damage

to

any

of

the

breaker

parts

,

Do

not

remove

any

protective

grease

until

it

is

ready

to

be

installed

,

A

covering

of

kraft

or

other

non

-

absorbent

paper

will

prevent

dust

from

settling

on

the

breaker

,

Store

the

circuit

breaker

in

a

clean

dry

,

If

dampness

or

condensation

may

be

encountered

-

in

the

storage

location

,

heaters

must

be

placed

inside

the

units

to

prevent

moisture

damage

.

Approx

-

imately

250

watts

of

heaters

per

unit

are

required

.

On

outdoor

switchgear

this

may

readily

be

accomplished

in

making

a

temporary

power

supply

con

-

nection

to

the

heaters

already

installed

in

the

equipment

.

3

CAUTION

:

Be

sure

the

rollers

used

are

spaced

such

that

the

three

chan

-

nels

rest

on

top

of

the

rollers

,

as

a

direct

application

of

the

rollers

between

the

channels

may

tear

or

distort

the

equip

-

ment

.

Jacks

may

also

be

ap

*

.

,

.

plied

to

handle

the

equipment

H

the

breaker

is

not

to

be

placed

in

when

a

crane

is

not

available

,

service

at

once

remove

it

from

its

shipping

as

shown

if

Figs

.

9

and

10

.

carton

and

thoroughly

inspect

it

.

If

every

-

thing

is

in

satisfactory

condition

replace

the

Remove

all

outer

crating

after

the

equipment

has

been

moved

to

the

desired

location

/

STORAGE

CAUTION

:

Remove

all

cartons

and

other

miscellaneous

packing

material

from

inside

the

units

before

energizing

any

heaters

.

•

'

A

.

!

A

breaker

in

its

shipping

carton

for

storage

.

Do

not

remove

the

shipping

ihembers

at

this

time

.

;

9

Courtesy of NationalSwitchgear.com

•

I

*

GEI

-

90890

AKD

-

5

Power

master

Switchgear

EQUIPMENT

INSTALLATION

6

$

the

front

must

be

sufficient

to

permit

the

extending

above

the

concrete

(

about

$

/

4

opening

of

doors

,

the

Insertion

and

with

-

Inch

)

,

the

.

required

amount

to

be

flush

with

Before

any

Installation

work

is

per

-

drawal

of

the

removable

breakers

and

their

dhe

finished

floor

*

.

It

Is

essential

that

formed

,

study

all

drawings

furnished

by

the

transfer

to

other

compartments

,

the

opera

-

these

steel

channels

be

level

and

aligned

General

Electric

Company

for

the

particular

tion

of

breakers

while

In

the

test

position

,

with

each

other

prior

to

the

final

anchoring

installation

,

These

include

arrangement

and

the

operation

of

the

breaker

hoist

;

to

avoid

distortion

of

the

switchgear

struc

-

drawings

(

front

and

plan

view

)

,

connection

The

space

at

the

rear

must

be

sufficient

lure

,

The

recommended

foundation

and

elementary

diagrams

,

installation

dr

aw

-

for

opening

of

doors

,

installation

of

cables

*

struction

and

method

of

mounting

the

switch

-

:

ings

and

a

summary

or

parts

list

of

the

Inspection

,

and

maintenance

,

Check

local

:

g

?

ar

to

the

foundation

is

shown

in

Fig

.

,

equipment

.

All

of

these

items

,

plus

the

codes

for

special

aisle

space

requirements

,

This

information

is

also

sent

to

the

instruction

books

,

will

be

found

inside

the

-

purchaser

with

other

requisition

drawing

top

compartment

of

the

auxiliary

unit

.

FOUNDATION

REQUIREMENTS

as

mentioned

previously

.

At

the

time

the

.

When

requesting

information

from

the

fact

-

;

i

foundation

channels

are

beingdnstalled

,

any

ory

on

any

specific

item

furnished

with

Indoor

Equipment

-

The

station

floor

conduits

or

sleeves

,

required

for

power

and

:

^

the

equipment

,

refer

to

the

item

by

sum

-

or

.

foundation

must

be

strong

enough

to

control

cables

that

are

to

enter

the

equip

>

y

<

r

;

\

mary

and

identification

number

wherever

prevent

sagging

by

the

weight

of

the

switch

-

ment

from

underneath

should

be

located

and

;

*

possible

.

Any

material

eternal

to

the

gear

structure

.

If

the

foundation

is

subject

installed

wtthtn

the

available

space

shown

on

equipment

which

may

be

required

to

meet

fo

vibrations

,

special

mounting

must

be

P

\

an

drawings

*

.

Consideration

,

any

local

codes

,

such

as

mats

,

screens

,

provided

to

prevent

the

transmittal

of

should

be

given

to

installing

conduits

or

-

railings

,

etc

.

is

not

furnished

.

vibrations

to

the

equipment

.

:

sleeves

,

which

might

be

required

for

future

.

^

•

connections

,

The

conduits

should

terminate

;

LOCATION

'

•

Suitable

means

must

be

provided

by

at

the

switchgear

with

the

appropriate

oon

-

the

purchaser

for

mounting

and

anchoring

duit

connectors

.

In

locating

the

AKD

-

5

switchgear

,

con

-

the

switchgear

to

the

floor

.

It

is

recom

-

sideration

should

be

given

to

the

aisle

mended

that

recessed

steel

channels

be

.

..

.

„

.

..

space

required

at

the

front

and

rear

of

the

installed

by

the

purchaser

for

supporting

Outdoor

Equipment

-

Foundation

re

-

equipment

.

The

recommended

aisle

space

the

switchgear

equipment

*

The

steel

chan

-

commendations

for

outdoor

equipment

are

is

shown

on

the

floor

plan

drawing

furnished

nels

should

be

enbedded

in

a

level

concrete

given

in

Fig

*

12

.

Otherwise

,

comments

:

for

the

particular

installation

.

The

space

at

slab

with

the

top

surface

of

the

channels

under

Indoor

Equipment

apply

.

PRIOR

TO

INSTALLATION

con

•

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EQUIPMENT

IS

:

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£

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BUILT

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CHANNEL

,

THU

$

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THE

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&

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RECOMMENDED

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LEVELING

PURPOSES

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„

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FINISH

FLOOR

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HAVE

SLIGHT

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AWAY

FROM

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CHANNEL

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.

'

*

A

*

•

Fig

.

12

(

0673

D

0500

-

G

03

-

03

)

Foundation

For

Outdoor

Equipment

Anchor

Bolts

,

Floor

Steel

And

Other

.

Foundation

.

Material

:

Is

To

.

Be

Furnished

By

The

Purchaser

.

...

.

'

Fig

.

11

(

067

-

3

D

0500

-

002

-

05

)

Foundation

For

Indoor

Equipment

Anchor

Bolts

,

'

Floor

Steel

and

Other

Foundation

Material

1

•

Is

To

Be

Furniphed

By

The

Purchaser

.

10

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GE POWERMASTER AKD-5 User manual

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