GE GEH-6294 Manual de usuario

•

nstallation

Instructions

MicroVersaTrip

Plus

and

Conversion

Kits

For

Types

225

600

800

1600

2000

Low

Voltage

Power

Circuit

Breakers

INTRODUCTION

Conversion

Kits

are

designed

upgrade

existing

Low

Voltage

Power

Circuit

Breakers

rather

than

replacing

the

entire

breaker

The

Conversion

Kits

contain

enhanced

solid

state

MicroVersa

Trip

Plus

MicroVersaTrip

Trip

Units

representing

the

latest

technological

advancement

trip

systems

MicroVersaTrip

Plus

and

MicroVersaTrip

Conversion

Kits

are

designed

and

breaker

tested

conform

with

ANSI

Stan

dard

37.59

allowing

the

retrofltter

properly

install

and

acceptance

test

the

breaker

This

publication

covers

installa

tion

MicroVersaTrip

Plus

and

Conversion

Kits

Type

225

600

800

1600

and

2000

Low

Voltage

Power

Circuit

Breakers

Each

Conversion

Kit

contains

all

the

appropriate

material

convert

from

existing

electro

mechanical

trip

system

Courtesy of NationalSwitchgear.com

TABLE

CONTENTS

GENERAL

INFORMATION

SECTION

PRIOR

INSTALLATION

SECTION

DISASSEMBLING

THE

BREAKER

225

800

Amperes

1600

2000

Amperes

INSTALLING

THE

CONVERSION

KIT

Phase

Sensors

(

’

)

225

800

Amperes

1600

2000

Amperes

Installing

the

Flux

Shifter

Mounting

the

Programmer

Bracket

Programmer

Wiring

Harness

Communications

Wiring

Harness

Programmable

Trip

Unit

SECTION

)

SECTION

FOUR

WIRE

GROUND

FAULT

OPTION

SECTION

TESTING

AND

TROUBLESHOOTING

Cabling

Diagram

Courtesy of NationalSwitchgear.com

SECTION

GENERAL

INFORMATION

Whenever

the

ground

fault

trip

element

fur

nished

for

breakers

applied

wire

systems

note

that

associated

neutral

sensor

(

)

quired

for

separate

mounting

the

equipment

Make

sure

that

retrofitted

breakers

are

applied

within

their

short

circuit

ratings

For

example

when

the

breaker

’

trip

elements

are

changed

from

long

time

instantaneous

long

time

short

time

the

short

time

rating

would

gov

ern

the

application

service

consideration

the

installation

the

MicroVersaTrip

Plus

kit

provides

excellent

opportunity

perform

normal

mainte

nance

the

breaker

particularly

while

the

front

and

back

frames

are

separated

Such

procedures

are

described

installation

and

maintenance

manuals

normally

supplied

with

breakers

and

equipment

Conversion

kit

installation

straightforward

However

careful

workmanship

and

attention

these

instructions

should

maintained

Famil

iarity

with

the

breaker

will

prove

helpful

The

general

approach

first

strip

the

breaker

its

existing

trip

devices

and

then

install

the

program

mable

trip

unit

MicroVersaTrip

Plus

components

Following

this

the

converted

breaker

performance

tested

prior

being

restored

service

The

majority

breaker

kit

installations

not

quire

any

customized

assembly

work

However

some

conversions

may

involve

unusual

mounting

circumstances

accessory

combinations

which

necessitate

minor

modification

and

relocation

component

(

)

most

instances

this

supple

mentary

work

can

done

site

Preparatory

the

conversion

the

installer

should

verify

that

the

correct

kit

current

sensors

and

programmable

trip

unit

have

been

furnished

SECTION

PRIOR

INSTALLATION

•

Turn

off

and

lock

out

the

power

source

feed

ing

the

breaker

prior

attempting

any

installation

maintenance

modification

all

lockout

and

tagging

rules

the

National

Electrical

Code

and

all

other

appli

cable

codes

•

not

work

closed

breaker

with

the

closing

springs

charged

Trip

OPEN

the

breaker

and

sure

the

stored

energy

springs

are

discharged

avoiding

the

possibility

that

the

breakers

may

trip

OPEN

the

charg

ing

springs

discharge

causing

injuries

•

For

both

stationary

and

draw

out

breakers

trip

OPEN

then

remove

the

breaker

well

lighted

work

area

before

beginning

work

•

not

perform

any

maintenance

including

breaker

charging

closing

tripping

any

other

function

which

could

cause

significant

movement

the

breaker

while

the

draw

out

extension

rails

•

not

leave

the

breaker

intermediate

position

the

switchgear

compartment

ways

leave

the

CONNECTED

TEST

DISCONNECTED

position

Failure

could

lead

improper

positioning

the

breaker

and

flashback

Before

starting

any

work

turn

off

and

lock

out

all

power

sources

leading

the

breaker

(

primary

and

secondary

)

Remove

the

breaker

clean

well

lighted

work

area

WARNING

Low

Voltage

Power

Circuit

Break

ers

utilize

high

speed

stored

energy

spring

operating

mechanisms

The

breakers

and

their

enclosures

contain

interlocks

and

safety

features

intended

provide

safe

proper

erating

sequences

For

maximum

personnel

protection

associated

with

installation

opera

tion

and

maintenance

these

breakers

the

following

procedures

must

followed

Fail

ure

these

procedures

may

result

personal

injury

property

damage

•

Only

qualified

persons

defined

the

tional

Electrical

Code

who

are

familiar

with

the

installation

and

maintenance

low

volt

age

power

circuit

breakers

and

switchgear

semblies

should

perform

any

work

associated

with

these

breakers

•

Completely

read

and

understand

all

instructions

before

attempting

any

breaker

installation

operation

maintenance

modification

Courtesy of NationalSwitchgear.com

SECTION

DISASSEMBLING

THE

BREAKER

The

Series

Breakers

not

need

separated

front

and

back

for

installation

the

Conversion

Kit

The

general

procedure

move

and

disassemble

the

trip

unit

housing

then

install

the

kit

First

remove

the

breaker

clean

well

lighted

work

bench

and

place

the

upright

position

both

the

front

and

back

are

easily

accessible

225

800

Ampere

Breakers

Step

The

electro

mechanical

trip

units

are

contained

common

insulated

housing

(

Fig

)

move

these

units

unscrew

the

(

)

Philip

’

head

screws

the

back

the

breaker

holding

the

housing

place

Save

the

hardware

NOTE

some

breakers

the

load

side

draw

out

fingers

must

also

removed

ARM

SCREWS

Step

Remove

and

discard

the

(

)

Philip

’

head

screws

per

phase

above

the

copper

load

terminals

hold

ing

the

trip

units

the

contact

arm

(

Fig

)

Step

Remove

the

trip

unit

housing

assembly

from

the

back

the

breaker

(

Fig

)

Fig

Insulated

housing

removal

800

600

225

Fig

800

600

225

with

the

trip

unit

housing

removed

Courtesy of NationalSwitchgear.com

SECTION

DISASSEMBLING

THE

BREAKER

225

800

Ampere

Breakers

(

cont

’

)

Step

Remove

the

electro

mechanical

trip

units

care

fully

drilling

out

the

(

)

screws

per

phase

holding

the

trip

units

the

housing

(

Fig

)

Step

Remove

and

save

the

(

)

”

bolt

nut

and

lock

washer

per

phase

holding

the

trip

units

the

bus

(

Fig

)

The

trip

units

can

removed

and

discarded

The

breaker

now

ready

for

conversion

1600

2000

Ampere

Breakers

DRILL

OUT

EACH

PHASE

1600

2000

ampere

breakers

each

electro

mechanical

trip

unit

contained

its

own

insulated

housing

Step

draw

out

breakers

with

electrical

operators

remove

the

draw

out

contact

block

assembly

removing

the

(

)

screws

holding

the

back

frame

(

Fig

)

Save

the

hardware

Step

Remove

the

(

)

top

and

(

)

bottom

Philip

head

screws

the

breaker

back

holding

the

insulated

trip

unit

housing

the

breaker

frame

(

Fig

)

Save

the

hardware

Fig

Electro

mechanical

trip

unit

disassembly

800

600

225

REMOVE

AND

SAVE

Fig

Load

side

stab

removal

800

600

225

TOP

HOUSING

SCREWS

CONTACT

BLOCK

SCREWS

(

)

EACH

SIDE

TTOM

HOUSING

SCREWS

Fig

Draw

Out

Contact

Block

removal

2000

1600

Fig

Trip

unit

housing

removal

2000

1600

Courtesy of NationalSwitchgear.com

SECTION

DISASSEMBLING

THE

BREAKER

1600

2000

Ampere

Breakers

(

cont

’

)

f t

NOTE

some

breakers

the

load

side

draw

out

fingers

must

also

removed

Step

Remove

the

(

)

Philip

’

head

screws

above

the

copper

load

terminals

connecting

each

trip

unit

the

contact

arm

(

Fig

)

The

trip

unit

assem

blies

can

removed

pulling

them

out

the

back

the

breaker

frame

Discard

the

hardware

Step

Carefully

drill

out

the

(

)

screws

holding

each

trip

unit

its

housing

(

Fig

)

Step

Remove

and

save

the

(

)

Philip

’

head

screws

the

back

and

under

the

load

terminals

each

trip

unit

housing

holding

the

copper

terminal

extensions

the

insulated

housing

Step

Remove

and

discard

the

hardware

holding

each

copper

load

terminal

the

metal

mounting

brackets

Separate

each

trip

unit

from

its

housing

Discard

the

trip

units

and

save

the

insulated

hous

ing

and

mounting

brackets

(

Fig

)

CONTACT

ARM

SCREWS

Fig

Contact

Arm

Connections

2000

1600

REMOVE

AND

SAVE

l l

Fig

Electro

mechanical

trip

unit

disassembly

2000

1600

Fig

Trip

Unit

Housing

2000

1600

Courtesy of NationalSwitchgear.com

SECTION

INSTALLING

THE

CONVERSION

KIT

BOLT

Installing

Phase

Sensors

(

’

)

225

800

AMPERE

BREAKERS

Step

Mount

the

new

copper

load

terminals

the

trip

unit

housing

using

the

(

)

screws

nuts

and

plain

and

lock

washers

supplied

for

each

phase

the

top

each

bus

assembly

reinstall

the

bolt

saved

step

page

(

Fig

)

Step

Place

each

one

time

the

phase

bus

post

over

the

spacer

Place

insulated

barrier

over

the

end

the

bus

post

and

mount

the

sembly

the

load

terminal

(

Fig

)

Insert

the

”

bolt

with

lock

and

flat

washer

and

tighten

finger

tight

(

Fig

)

NEW

LEAD

TERMINAL

Fig

Copper

Load

Terminal

Installed

800

600

225

BUS

POST

BUS

BOLT

INSULATED

BARRIER

Fig

Assembly

Installation

BUS

POST

SPACER

Fig

Converted

Trip

Unit

Housing

Courtesy of NationalSwitchgear.com

SECTION

INSTALLING

THE

CONVERSION

KIT

Installing

Phase

Sensors

(

’

)

225

800

AMPERE

BREAKERS

(

CONT

’

)

Step

Reassemble

the

back

and

front

breaker

frames

reinstalling

the

(

)

Philip

’

head

screws

that

hold

the

housing

place

(

Fig

)

See

step

page

Then

install

the

(

)

Vir

Philip

’

head

screws

with

lock

washer

and

plain

washer

connecting

the

copper

load

terminals

the

con

tact

arms

Refer

step

page

Tighten

them

finger

tight

for

now

Step

Torque

the

bolts

inserted

step

200

lbs

(

Fig

)

Step

Torque

the

(

)

screws

each

phase

connecting

the

load

terminals

the

contact

arms

100

lbs

The

screws

were

inserted

step

Fig

Installed

Assemblies

IMPORTANT

NOTE

Steps

designated

(

)

are

critical

electrical

integrity

connec

tions

They

must

correctly

tightened

for

proper

operation

Failure

tighten

properly

will

cause

breaker

failure

resulting

prop

erty

damage

personal

injury

Fig

Assembly

Torques

Courtesy of NationalSwitchgear.com

SECTION

INSTALLING

THE

CONVERSION

KIT

Installing

The

Phase

Sensors

(

’

)

1600

2000

AMPERE

BREAKERS

Step

Mount

the

brackets

removed

from

the

old

copper

terminals

step

page

the

insu

lated

housings

using

the

hardware

removed

steps

page

Step

Mount

new

copper

load

terminal

extension

each

insulated

housing

using

the

(

)

”

bolts

with

plain

and

lock

washers

provided

Fig

Terminal

Assembly

2000

1600

NOTE

The

2000

breaker

uses

(

)

1.5

”

bolt

(

Fig

)

Step

Insert

the

(

)

screws

with

plain

and

lock

washer

and

nut

provided

through

the

insu

lated

housing

Step

Assemble

the

copper

post

spacer

and

sulated

barrier

provided

onto

each

insulated

housing

(

Fig

)

Insert

the

bolt

with

plain

and

lock

washer

provided

into

the

post

Tighten

the

bolts

finger

tight

for

now

NOTE

For

2000

breaker

the

assembly

held

together

bolt

through

the

center

the

post

Fig

Assembly

2000

1600

Courtesy of NationalSwitchgear.com

SECTION

INSTALLING

THE

CONVERSION

KIT

Installing

The

Phase

Sensors

(

’

)

1600

2000

AMPERE

BREAKERS

(

CONT

’

)

Step

Cut

and

remove

the

“

shaped

projection

the

insulated

phase

barrier

inside

the

breaker

frame

Remove

all

but

the

projection

allow

clearance

the

bus

post

(

Fig

)

Step

Return

the

assembly

housing

the

breaker

frame

Use

the

hardware

removed

step

page

The

(

)

screws

provided

are

inserted

with

plain

and

lock

washer

into

the

contact

arm

They

should

finger

tight

for

now

Step

Torque

the

bolts

inserted

step

300

lbs

Step

Torque

the

contact

arm

screws

above

each

load

terminal

100

lbs

Fig

“

”

Shaped

Barrier

Modification

TOP

HOUSINGS

SCREWS

NOTE

Ocassionally

during

current

sensor

manufacturing

slight

separation

occurs

the

epoxy

from

the

plastic

shell

This

may

amount

much

0.030

and

has

effect

performance

Additionally

slight

surface

imperfections

are

part

the

epoxy

curing

process

and

have

effect

performance

IMPORTANT

NOTE

Steps

designated

(

)

are

critical

electrical

integrity

connec

tions

They

must

correctly

tightened

for

proper

operation

Failure

tighten

properly

will

cause

breaker

failure

resulting

prop

erty

damage

personal

injury

Fig

Assembled

2000

1600

Courtesy of NationalSwitchgear.com

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