Siemens QR Series Guida

SIEMENS

Type

Metal

Enclosed

Load

Interrupter

Switches

and

Instructions

Installation

Operation

Maintenance

3428

Courtesy of NationalSwitchgear.com

Preface

ses

face

shields

flash

clothing

etc

accordance

with

established

safety

practices

This

equipment

contains

hazardous

voltages

Severe

per

sonal

injury

property

damage

can

result

safety

instruc

tions

are

not

followed

Only

qualified

personnel

should

work

around

this

equipment

after

becoming

thoroughly

familiar

with

all

warnings

safety

notices

and

maintenance

procedures

contained

herein

The

successful

and

safe

operation

this

equipment

dependent

upon

proper

han

dling

installation

operation

and

maintenance

Danger

For

the

purpose

this

manual

and

product

labels

DANGER

indicates

death

severe

personal

injury

substantial

proper

damage

will

result

proper

precautions

are

not

taken

Qualified

Person

Warning

For

the

purpose

this

manual

and

product

labels

qualified

person

one

who

familiar

with

the

installation

construction

and

operation

the

equipment

and

the

hazards

involved

addition

has

the

following

qualifications

(

)

qualified

and

authorized

energize

clear

ground

and

tag

circuits

and

equipment

accord

ance

with

established

safety

practices

(

)

qualified

the

proper

care

and

use

protective

equipment

such

rubber

gloves

hard

hat

safety

glas

For

the

purpose

this

manual

and

product

labels

WARNING

indicates

death

severe

personal

injury

substantial

property

damage

can

result

proper

precautions

are

not

taken

Caution

For

the

purpose

this

manual

and

product

labels

CAUTION

indicates

minor

personal

injury

property

damage

can

result

proper

precautions

are

not

taken

Courtesy of NationalSwitchgear.com

Table

Contents

Operation

Introduction

Switch

Ratings

General

Information

...

General

Description

Weights

Receiving

and

Handling

Uncrating

Inspection

Storage

Installation

Foundation

Conduit

Erection

Bus

Bar

Joints

Transformer

Connections

General

Information

Description

Sequence

Operation

Switch

Operator

Maintenance

Periodic

Inspection

Cleaning

Contacts

Insulators

Insulation

Check

Bus

and

Conductor

Check

Chain

Drive

Switch

Alignment

Corrosive

Atmospheres

Space

Heaters

Troubleshooting

Recommended

Spare

Parts

Fuse

Selection

Guide

Cable

Connections

Taping

Joints

Ground

Connection

Secondary

Wiring

Inspection

Final

Testing

Warranty

NOTE

These

instructions

not

purport

cover

all

details

variations

equipment

nor

provide

for

every

possible

contingency

met

connection

with

installation

opera

tion

maintenance

Should

further

information

desired

should

particular

problems

arise

which

are

not

covered

suf

ficiently

for

the

purchaser

purposes

the

matter

should

referred

the

local

Siemens

sales

office

The

contents

this

instruction

manual

shall

not

become

part

modify

any

prior

existing

agreement

commitment

relationship

The

sales

contract

contains

the

entire

obligation

Siemens

The

warranty

contained

the

contract

between

the

parties

the

sole

warranty

Siemens

Any

statements

contained

herein

not

create

new

warranties

modify

the

existing

warranty

Courtesy of NationalSwitchgear.com

Introduction

Pagel

Switch

Ratings

General

Information

These

instructions

apply

Siemens

Type

indoor

and

Type

OQR

Outdoor

Metal

Enclosed

Load

Interrupter

Switches

(

LIS

)

covered

ANSI

Standard

37.20

Metal

Enclosed

Interrupter

Switchgear

This

equipment

described

detail

catalog

section

3111

standard

inch

cubicle

(

)

can

used

individually

with

open

dry

type

transformer

adjacent

any

auxiliary

high

voltage

unit

which

proper

bus

entry

and

alignment

can

made

inch

wide

transition

unit

and

throat

are

added

when

the

inch

wide

cubicle

used

with

liquid

filled

outdoor

dry

type

transformers

This

equipment

has

been

designed

operate

within

the

limits

specified

the

rating

label

for

any

reason

the

equipment

later

used

different

system

the

short

circuit

capacity

the

system

increased

the

momentary

rating

the

switch

the

interruption

capacity

the

fuses

and

the

bus

capacity

must

checked

Amperes

Bll

Maximum

Cont

Int

Momentary

Fault

Closing

4.76

600

000

40.000

61.000

000

61.000

000

600

4.76

600

4.76

600

15.0

600

15.0

600

15.0

600

4.76

1200

4.76

1200

15.0

1200

15.0

1200

For

all

electrically

operated

switches

refer

supplemental

instructions

Figure

Indoor

Switch

Cubicle

Figure

OQR

Outdoor

Switch

Cubicle

Courtesy of NationalSwitchgear.com

Introduction

Page

General

Description

Receiving

and

Handling

The

type

load

interrupter

switch

metal

enclosed

single

throw

gang

operated

switch

which

used

distribu

tion

voltages

from

2.4

13.8

disconnect

and

circuit

interrupter

The

interrupter

switch

differs

from

circuit

breaker

that

will

interrupt

its

rated

full

load

current

but

will

not

interrupt

overload

fault

currents

The

switch

may

fused

equipped

with

current

limiting

non

current

limiting

power

fuses

provide

fault

current

interrupting

capacity

The

switch

manually

operated

spring

over

center

stored

energy

operating

mechanism

through

chain

drive

and

equipped

with

arc

chute

and

quick

make

blade

The

quick

make

closing

and

quick

break

opening

energy

supplied

180

degree

rotation

the

operating

handle

The

resulting

high

speed

closing

and

opening

assures

safe

eration

and

long

life

eye

level

inspection

window

provided

through

which

the

position

the

switch

may

visually

checked

The

switch

operating

handle

mounted

the

front

the

cubicle

chest

level

The

metal

enclosed

load

interrupter

switch

available

three

versions

Standard

switch

—

two

position

(

open

closed

)

Duplex

switch

—

two

position

type

switches

bussed

together

the

load

side

provide

selection

either

incoming

services

Selector

switch

—

two

visually

identified

positions

line

and

“

line

This

switch

consists

position

(

open

)

600

amp

interrupter

switch

series

with

position

(

line

)

disconnect

The

disconnect

mechanically

inter

locked

prevent

operation

when

the

interrupter

closed

The

interrupter

identical

single

feeder

units

and

interrupts

its

rated

load

current

The

disconnect

mounted

the

rear

the

compartment

and

operated

from

the

front

the

unit

The

cubicles

are

securely

blocked

and

braced

for

shipment

They

are

crated

boxed

covered

depending

shipping

conditions

Whatever

the

method

shipment

every

precau

tion

has

been

taken

insure

safe

arrival

the

equipment

special

handling

required

indicated

Although

all

moving

parts

are

blocked

avoid

rough

handling

when

facilitate

unloading

four

(

)

angles

with

lift

holes

are

provided

the

top

the

switchgear

angles

are

removed

after

installation

use

mounting

hardware

fill

the

cubicle

top

the

angles

are

removed

from

outdoor

units

sure

replace

the

hardware

including

the

weather

seal

washer

into

the

holes

the

roof

decks

position

with

rollers

use

the

shipping

skid

where

possible

height

restrictions

required

pipe

rollers

directly

under

the

cubicle

Use

minimum

rollers

per

section

Place

remove

the

equipment

from

the

skid

rollers

lifting

from

the

top

only

When

removing

the

rollers

lower

the

assembly

carefully

avoid

dropping

NOTE

not

remove

wooden

skids

when

either

rolling

units

moving

them

with

forklift

truck

CAUTION

Forklift

trucks

should

used

with

discre

tion

improper

lift

points

could

cause

extreme

damage

shipping

sections

Weights

When

several

load

center

substations

are

shipped

together

each

substation

numbered

All

crates

for

particular

sub

station

are

numbered

the

same

accordance

with

the

“

General

Arrangement

and

Floor

Plan

drawing

that

sub

station

INDOOR

Duplex

1400

lbs

2400

lbs

OUTDOOR

OQR

Duplex

1600

lbs

2800

lbs

ADDITIONS

Selector

Switch

“

Transition

Unit

300

lbs

300

lbs

Courtesy of NationalSwitchgear.com

Introduction

Page

Uncrating

NOTE

careful

when

uncrating

equipment

The

use

sledge

hammers

and

crowbars

may

damage

the

finish

and

equip

ment

Use

nail

pullers

Check

all

packing

material

insure

against

accidentally

throwing

away

small

parts

not

remove

identity

cards

until

the

switchgear

installation

complete

This

inspection

must

made

within

days

after

equipment

received

carrier

will

not

allow

claim

Also

report

any

shortage

damage

the

nearest

Siemens

sales

office

within

the

day

period

Unusual

circumstances

may

require

partial

shipment

equipment

these

cases

provisions

are

made

for

easy

installation

these

portions

the

complete

job

Inspection

soon

possible

after

uncrating

inspect

the

equipment

for

any

damage

which

may

have

occurred

transit

Also

check

the

shipping

manifest

sure

all

items

have

been

received

any

damage

shortage

detected

note

this

the

freight

bill

and

contact

the

carrier

immediately

Storage

the

switches

will

not

installed

immediately

uncrate

inspect

and

store

clean

dry

place

Before

placing

storage

inspect

and

grease

unfinished

steel

surfaces

etc

prevent

rusting

Protect

mechanism

contacts

etc

from

dust

and

grit

with

suitable

covers

Ener

gize

the

space

heaters

prevent

damage

from

condensa

tion

(

Space

heaters

are

standard

all

outdoor

units

and

are

available

option

some

indoor

switch

cubicles

)

Indoor

cubicles

are

neither

weatherproof

nor

drip

proof

;

therefore

store

them

indoors

they

must

stored

outdoors

provide

adequate

covering

and

place

heat

source

inside

the

cubicles

reduce

condensation

Remove

all

flammable

materials

from

near

the

heaters

before

turning

the

heaters

Figure

Lifting

Rolling

Cubicle

Pipe

Courtesy of NationalSwitchgear.com

Installation

Page

and

the

subsequent

expansion

the

bus

bars

not

replace

them

with

standard

bolts

replacements

are

needed

use

SAE

Grade

heat

treated

bolts

Foundation

Whether

installing

the

switch

cubicle

existing

floor

new

floor

the

sill

channel

and

anchor

bolt

dimen

sions

shown

the

‘

General

Arrangement

and

Floor

Plan

drawing

Typical

floor

plans

for

indoor

and

outdoor

equipment

shown

Figure

and

Transformer

Connections

Ventilated

Dry

Transformers

line

ups

with

ventilated

dry

transformers

the

switch

placed

against

the

transformer

and

bolted

together

This

results

rigid

line

than

unbolted

assembly

and

can

also

correct

for

minor

variations

the

plumbness

these

adjacent

pieces

equipment

Figure

shows

location

bolt

holes

used

for

this

purpose

Two

holes

are

provided

load

interrupter

switch

units

;

the

two

holes

are

line

with

captive

nuts

provided

the

vent

dry

transformer

frame

and

are

plugged

with

hardware

prior

shipment

connect

the

transformer

the

switchgear

the

procedure

Bolting

Procedure

Remove

hardware

from

bolt

holes

shown

Figure

;

Note

that

this

hardware

hex

head

and

all

other

hardware

holding

side

plates

place

flat

head

type

Save

all

hardware

except

for

hex

nut

Move

switch

into

its

final

position

the

dry

type

trans

former

Inspect

front

and

rear

joints

between

switch

and

trans

former

units

are

perfectly

plumb

and

the

floor

perfect

level

there

should

gap

evident

between

equipment

these

joints

there

gap

larger

than

”

(

3.30

)

top

and

bottom

proceed

Step

;

crack

exists

proceed

Step

gap

larger

than

”

(

3.30

)

appears

joints

will

necessary

level

and

plumb

all

equipment

and

not

try

draw

equipment

together

bolting

since

this

apt

disturb

cubicles

which

turn

may

cause

malfunc

tions

Check

plumb

all

equipment

determine

which

causing

the

problem

Once

this

has

been

determined

use

suitable

shims

under

the

equipment

base

reduce

the

gap

maximum

(

3.30

)

Using

the

bolts

flat

and

lockwashers

removed

Step

bolt

the

switch

the

transformer

case

Conduit

Install

conduit

for

power

and

control

connections

the

area

indicated

the

General

Arrangement

and

Floor

Plan

”

Keep

conduit

ends

maximum

(

)

above

the

finished

floor

prevent

wash

water

from

soaking

the

cables

Cap

and

tape

ends

keep

out

moisture

and

vermin

indoor

installations

conduit

ends

should

maximum

(

)

above

the

unit

’

floor

line

Erection

Switch

cubicles

are

usually

shipped

single

groups

the

shipment

includes

several

groups

the

General

Arrangement

and

Floor

Plan

”

drawing

will

indicate

the

size

and

relative

location

each

group

Before

installing

make

sure

that

the

floor

level

within

(

1.5

)

NOTE

When

connecting

the

switch

the

system

avoid

placing

any

stress

the

insulators

bushings

Bus

Bar

Joints

When

necessary

make

bus

bar

joints

the

field

all

required

hardware

furnished

Connections

are

made

with

(

12.7

)

bolts

tightened

with

torque

wrench

foot

pounds

(

)

Tightening

the

bolts

specified

will

prevent

connections

from

becoming

loose

bus

bars

alternately

heat

and

cool

during

changes

load

Bolts

provided

for

these

connections

are

specially

designed

withstand

the

stresses

imposed

the

torque

specified

Courtesy of NationalSwitchgear.com

Installation

Page

36.00

35.13

—

Indoor

Outdoor

Space

available

top

bottom

unlti

for

customer

primary

and

secondary

cables

Customer

machine

top

plate

suit

—

4.00

200

Space

available

top

bottom

units

for

customer

primary

and

secondary

cablea

Customer

machine

top

plate

suit

12.00

Primary

59.22

’

57.23

Secondary

5623

56.23

3.00

4.35

2.48

30.38

—

“

Location

holes

bottom

units

for

anchor

bolts

Location

holes

bottom

units

for

anchor

bolts

3.00

30.38

Figure

Plan

View

Cable

Areas

Customer

conduit

not

extend

than

2.0

max

above

floor

line

Customer

conduit

not

extend

than

8.0

above

floor

line

Location

suitable

anchor

bolts

Bolts

furnished

customer

dia

holes

furnished

front

and

rear

flange

Floor

Line

•

Floor

Line

Suitable

anchor

bolts

furnished

customer

die

holes

furnished

floor

cubicle

Outdoor

Bolting

Arrangement

Switch

“

OQR

”

Methods

Anchoring

—

Indoor

Foundation

should

prepared

per

general

arrangement

drawing

Floor

steel

and

bolts

not

furnished

with

switch

unless

covered

contract

NOTE

Welding

the

supporting

structure

steel

also

alternate

method

anchoring

indoor

and

outdoor

cubicles

Wekls

shall

located

adjacent

the

bolting

areas

shown

above

Method

Anchoring

—

Outdoor

Foundation

should

prepared

per

general

arrangement

drawing

Anchor

bolts

not

furnished

Fiaure

Boltina

Arranaements

Courtesy of NationalSwitchgear.com

Installation

Page

All

Covers

Bolt

Angles

Mounted

Cubicle

Side

Plate

Top

Cover

Bolted

and

Overlaps

Center

Cover

Center

Cover

Slides

Over

Transformer

Flange

Overlaps

and

Bolted

Lower

Cover

;

Angle

Lower

Cover

has

Vented

Bottom

Cover

Bolted

inside

Figure

Bolting

Procedure

for

Ventilated

Dry

Transformers

Figure

Flexible

Cable

Connections

the

Transformer

Protected

Hood

Assembly

Liquid

Immersed

Transformers

Connections

liquid

immersed

transformers

are

protected

hood

assembly

consisting

hood

cover

and

angle

for

sealing

the

(

)

space

between

the

switch

and

the

transformer

lower

throat

flange

shown

Figure

Remove

the

top

cover

Remove

the

center

cover

Loosen

the

angle

and

adjust

the

lowest

position

Position

the

transformer

and

the

switchgear

according

the

dimensions

shown

the

general

arrangement

Connect

cable

the

transformer

Figure

Slide

angle

contact

the

bottom

edge

the

throat

flange

Slide

the

center

cover

over

the

transformer

throat

and

reassemble

Replace

the

top

cover

For

Outdoor

applications

caulk

the

vertical

seams

tween

the

covers

and

the

switchgear

Precut

factory

installed

cables

with

suitable

cable

lugs

are

provided

for

making

connections

liquid

filled

transformer

shown

Figure

insure

ease

assembly

and

proper

fit

mating

parts

position

the

switch

and

transformer

accord

ing

dimensions

indicated

the

“

General

Arrangement

’

drawing

Cable

Connections

See

typical

terminal

locations

Figure

before

making

cable

connections

consider

phase

rotation

When

the

switch

feeding

transformer

phasing

traced

from

the

trans

former

throat

For

typical

customer

’

cable

connections

see

Figure

Refer

cable

manufacturer

’

recommendations

for

detailed

information

Courtesy of NationalSwitchgear.com

Installation

Page

Lugs

Transformer

Flange

LIS

Fuses

}

Field

Connected

Cable

Lug

Transformer

Termination

Incoming

Line

Top

Feed

)

•

111

Transition

Section

Transformer

Figure

Indoor

Upfeed

Cable

Connections

Switch

(

Rear

Access

Lugs

)

Figure

Cable

Connection

Liquid

Immersed

Transformer

V V

Potheads

LIS

Fuses

Transformer

22.00

38.00

Potheada

4204

Figure

Rear

Access

Potheads

Figure

Rear

Access

Downfeed

Lugs

Courtesy of NationalSwitchgear.com

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