Tektronix R454A User manual

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nomi nal and

230

vol t s

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nal

.

V

ol t age

R

a

n

ge

( AC,

RM

S)

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N

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L

ow



90

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.

M

ed

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™

104

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126

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.

H

i g

h

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112

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136

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.

230

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180

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.

TA

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n

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T

SI G

NA

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,

p

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H

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h

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272

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L

i

ne F

r e

q

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M

axi mum

P

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Consumpt i on

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wat t s

at

115

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60 Hz

l i

ne

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Sp

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n

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454A

12

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wi t h

i

n

10%

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Gat e

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pp

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M

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z)

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11

ms d

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S

p

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t

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454

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d

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es

over al l

.



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i

n

t

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M

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ar t s

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or op

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cat al og

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r

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p

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V

ol t age

.



SECTI ON

2

OPERATI NG

I NSTRUCTI ONS

Ch

ange

i nf or

m

at i on,

i f

a

n

y,

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n

g

t

h

i s

sect

i

on

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be

f o

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at

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e

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nu

al

.

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ef f ect i vel y

u

se

t

he

454zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

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,

t

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p

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an

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ca

p

a-

bi l i t i es

of

t

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i

n

st r ument

m

u

st

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k now

n

.

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i s

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p

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n

of

t

he

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si de-

an

d

r ear -

p

anel

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and

co

n

du

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gi ves

f i r st

a

n

d

gener al oper at i ng

i nf o

r

mat i on

an

d

l i st s

some

b

asi c

a

pp

l i cat i ons

f or

t

h

i s

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e

n

t

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e

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t

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e

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pr ovi

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es

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t

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en

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r

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al so

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r

age

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ace

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o

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es

an

d

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accessor i es

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F

i g

.

2- 1)

.

µ±ÅÄ¹ Åº

454

‘ ™

R454

‘

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r um

ent

i s

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o

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i t s

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u

t

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n

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i g

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2- t

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ed

i n

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.

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t i al

wi t

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se

p

ar

at e

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r

t

h

co

nd

uct o

r

.

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i s

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i nt e

nded

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oper at i on

f

r

o

m

t wo

ph

ases

of

±

m

u

l t i - phase

syst e

m

,

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t

he

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m

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To

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f r

om

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115- vol t s

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nomi nal

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nomi nal

l i ne

vol t age

or

vi ce

ver sa,

ÁÅ

#

™

o

u

t t h

e

V

ol t age

Sel ect or swi t c h bar

{ see

F

i g

.

2- 2)

;

t ur

n

i t

180

°

an

d

p

l ug

i t

T

h

e

454‘

can

be

o p

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d

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±

115- vol t

or

±



back

i nt o

t h

e

r e

m

ai

n

i

n

g

h

ol es

.

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a

nge

t

he

l i ne- cor

d

power

230- vol t

no

m

i nal



l i

ne

vol t age

so

u

r ce

.

T

h

e

Li ne

V

ol t age



pl ug

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at c

h

t

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e

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u

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115-

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on

t

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r panel

conve

r

t s

t

h

e

i

n

st r

u

ment

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ada

p

t er

.

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r

o

m

one

o p

er at i ng

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t h

e

ot

h er

.

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a

dd

i t i on,

t

h

i s

assem

b

l y

c

h

anges

t

h

e

pr i mar y

connect i o

n

s

of

t

h

e

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r

ansf or

m

er

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al l ow

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of

one

of

t

h

r ee r eg

u

l at i ng



NOTE

r anges

.

T

h

e

assembl y

al so

i ncl u

d

es

t

h

e

t wo

l i ne

f u

ses

.

W

h

en

t

h e

i nst r u

m

ent

i

s

co

nver t ed

f r om

I 15- vol t

t o

230- vol t



Col or - codi ng

of

t

he

ca

r

d cond

u

ct o

r

s

i s

as

f ol l ows

( i n

nomi nal

o

p

er at i on or

vi ce

ver sa,

t he

asse

m

bl y con

n

ect s

or



accor da

nce

w

i t

h

N

at i onal

El ect r i cal

Co

d

e)

:

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i sco

nn

ect s

one

of

t

h

e

f uses

t o

pr ovi de

t

h

e

cor

r

ect

pr ot ec-

t i on

f or

t he

i nst r

u

m

ent

.

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se

t

he

f ol l owi

n

g

pr

oce

d

u r e

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

f i ne



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l ac

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conver t

t

h

i s

i nst r

u

m

ent

bet ween

no

m

i nal l i ne

vol t ages

or



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e

u

t r

al



W

h

i t e

r egul ot i ng

r a n

ges

.



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ea

r t

h

( gr o

un

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1 .

Di sconnect

t

h

e

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m

ent

f r o

m

t

h

e

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.



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.

To



c

h

ange

r egul at i

ng

r a n

ges,

ÁÅ“ ™

out

t h

e



R

ange

Sel ect or

s

w

i t c

h

bar

( see

F

i g

.

2- 2)

;

sl i

d

e

i t

t o

t

h

e

d

esi r e

d

2

.

L

oose

n

t

he

t wo

cal

scr ews

w

h

i c

h h

ol

d

t

he

cove

r

 posi t i on

and

p

l ug

i t

back

i

n

.

Sel ect

±

r ange

w

h

i c

h

i s

ont o

t

h

e

vol t age

sel ect or

assembl y

;

t

hen

pul l

t o

r emo

v

e

t

he



cent er ed

about

t

h

e

aver age

l i

ne

vo

l

t age t o

w

h

i c

h

t

he

cove

r

.



i nst r u

m

ent

i s

t o

be

connect ed

( see

Tabl e

2- 1)

.

Oper at i ng

I nst r uct i ons- 454AI R454AzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA

‘

t

h

er

m

al

cut out

i n

t

h

i s

i nst r

u

ment

pr ovi

d

es

t

h

er mal

p

r ot ect i o

n

and

d

i sco

nn

ect s

t h e

p

ower

t o

t

h

e

i nst r

u

ment

i f

t h

e

i nt er nal

t emper at ur e

excee

d

s

±

saf e

o

p

er at i ng

l evel

.

O

pe

r

at i on

of

t

h

e

i nst r

u

ment

f or

ext en

d

e

d

p

er i o

d

s

wi t h

out

t h e

cover s

may

cause

i t

t o

over

h

eat

a

nd

t

he

t

h

er mal

c

ut out

F

i g

.

2- 2

.

L

i

n

e

V

ol t age

Sel ect o

r

assemb

l

y on

t

h

e

r ea

r

panel

( s

h

ow

n

 t o

open

mor e

f r e

q

ue

n

t l y

.

T

he

ai r

f

i

l

t er

s

h

o

u

l d

be

cl eaned

wi t

h

cover

r emove

d

) .



occasi onal l y

t o

al l ow

t

h e

maxi m

u

m

amou

n

t

of

cool i

ng

ai r

t o e

n

t er

t h e

i

n

st r

u

m

ent

.

Cl ea

n

i ng

i nst r

uct i ons

ar e

gi ven

i

n

Sect i o

n

4

.

TA

BLE

2- 1

Regu

l at i ng

Ran

ges

Reg

u

l at i

n

g

Ra

nge

R

ange

Sel ect or



115

V

ol t s



230

V

ol t s

S

w

i t c

h P

osi t i on



Nomi nal



N

omi nal

LO

( swi t c

h

bar

i n



90

t o

110

vol t s



180

t o

220

vol t s

l ef t

h

ol es}



_

œ

( swi t ch

bar

i

n

 104

t o

126

vol t s



208

t o

252

vol t s

mi d

d

l e

h

ol es)

—™

( swi t c

h

b

ar

i n



112

t o

136

vo

I t s



224

t o

272

vol t s

r i g

h

t

h

ol es)

5

.

R

e- i nst al l

t

h

e

cove

r

and

t i g

ht en

t

he

t

w

o capt i ve

sc

r

e

w

s

.

6

.

B

ef or e

appl yi ng

p

ower

t o

t

he

i nst r u

m

ent ,

c

h

ec

k

t

h

at

t

he

i n

d

i cat i ng

t abs

on

t

h

e

swi t c h

ba

r s

ar e p

r ot r u

d

i

n

g

t

h

r ou

g

h

t

h

e cor r ect

h

ol es

f or

t

h

e

d

esi r e

d

nomi nal

l i ne

vol t age

an

d

r

eg

u

l at i ng

r ange

.

2- 2

.

connect

t

h

i s

i nst r u

m

ent t o

±

t wo- wi r e

AC

p

ower

syst e

m

,

be

sur e

t o

co

nn

ect

t

he

gr oun

d

l ea

d

of

t

h

e

a

d

a

p

t er

t o ear t

h

( gr ou

n

d

)

.

F

ai l ur e t o

com

p

l et e

t

h

e

gr oun

d

syst em

may

al l ow

t h e

c

h

assi s

of

t

h

i s

i nst

r

ument

t o

be

el evat e

d ab

ove gr o

u

nd

p

ot ent i al

and

p

ose

±

shoc

k hazar d

.

O

p

er at i

n

g

Te

mp

e

r

at ur e

Th

e

454

‘

i s

cool e

d

by

ai r

d

r awn

i

n

at

t

h

e

r ear

an

d

b

l own

ou

t t

h

r o

u

gh hol es

i n t

he

t o

p and

bot t om

cover s

.

Ade

q uat e

cl ear ance

on

t

he

t op,

b

ot t om

an

d

r ea

r

mu

st

be

p

r ovi

d

e

d t o

al l ow

heat t o be

d

i ssi pat e

d

away

f r om

t

h

e

i nst r ume

n

t

.

T

h

e

cl ear a

nce

p

r ovi

ded

by

t

he

f eet

at

t

h

e

b

ot t o

m

an

d

r ear

s

houl d

be

mai nt ai ne

d

.

I f

p

ossi bl e,

al l ow

a

bo

u t

o

n

e

i nc

h

cl ear ance

on

t

he t op

.

Do

not

bl ac

k

or

r est r i ct

t

he

ai r

f l ow

f r om

t

he

ai r

escap

e

h

ol es

i n

t

he

cabi net

.

T

h

e

454

‘

can

be

oper at e

d

wh

e

r

e

t

h

e

a

m

bi ent

ai r

t em

p

er at u

r

e

i s

bet ween

- - 15

°

C

an

d

+55

°

C

.

T

he

maxi

m

um

o p

er at i

n

g

t e

m

per at ur e

m

ust

b

e B

er at e

d

1

°

C

f or

eac

h

a

dd

i t i onal

1000

f eet

of

al t i t ude

a

b

ove

5000

f eet

.

T

h

i s

i nst r

u

m

ent

can

b

e

st or e

d

i

n

ambi ent

t e

mp

er at ur es

b

et ween

- 35

°

C

and

.

+75

°

C

.

Af t er

st or age

at

t em

per at u

r

es

beyond

t

he op

er at i ng

l i

m

i t s,

al l ow

t

h

e c

h

assi s

t emper at ur e

t o

co

m

e

wi t

h

i n t

he

o

p

er at i ng

l i

m

i t s

bef or e

power

i s

appl i e

d

.

O

p

er at i ng

P

osi t i o

n

T

h

e hand

l e

of

t

he

454‘

can

be

p

osi t i oned f o

r

car r yi

n

g

or

as

±

t i l t - st an

d

f or

t

he

i nst r ume

n

t

.

To

p

osi t i o

n

t

he h

an

d

l e,

p

r ess

i

n

at

bot

h

p

i vot

p

oi nt s

( see

F

i g

.

2- 3)

an

d

t

u

r n

t

h

e

h

an

d

l e

t o

t

h

e

desi r e

d

posi t i on

.

F

ou

r t een

posi t i ons

ar e

p

r ovi

d

ed

f or co

n

ven

i ent

car r yi ng

or

vi ewi ng

.

T

h

e

i nst r

u

ment

m

ay

al so

be

set

on

t

he

r ear

f eet

ei t

her

f or

oper at i o

n or st or age

.

R

ackmount i ng

Com

p

l et e

i nf or mat i on

f or

mo

u

nt i ng

t he

R

454A

i

n ±

cab

i net

r ac

k

i s

gi ven

i n

Sect i on

6 of

t hi s

m

a

nu

al

.

Th

i s

i nst

r u

me

n

t

m

ay 6e

da

m

aged

i f

op

erat e

d

wi

t h

t

h

e

L

i ne

Vol t age Sel ect or

asse

m

bl y

set

t o

i nco

r

r ect



CO

N

TRO

L

S

A

N

DCO

NN

E

CTO

R

S

posi t i ons

f o

r

t

he

l i ne

vol t age

appl i ed

.

Gener al

T

h e

454

‘

i s

d

esi gned

t o

b

e u

sed

wi t

h ±

t

hr ee- w

i

r e

AC



‘

br i ef

d

escr i

p

t i o

n of

t

h

e

f

un

ct i on

an

d

oper at i on

of

t

he

p

ower

syst e

m

.

I f

t he

t

h

r ee-

t o

t wo- wi r e

a

dapt er

i s

used t o



f

r on

t - ,

si

d

e-

and r ear - pane

l

cont

r

ol s

and

connect or s

f ol l ows

.

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