Carrier 62ME User Manual

Page 55

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55

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NO

TE

S

:

1.

T

rans

fo

rm

er

fo

r

E

R

V

whee

l

o

nly

u

s

e

d

o

n

4

6

0

-v

,

5

7

5

-v

,

1

1

5

-v

ER

V

u

n

its

.

2.

On

s

ing

le-p

has

e

E

R

V

un

its

the

L

3

an

d

T

3

ter

mi

nals

o

n

s

u

pply

b

lo

w

e

r

c

ont

ac

to

r

a

nd

e

x

ha

us

t

b

lo

w

e

r

c

on

ta

c

tor

are

n

o

t

us

ed

.

3.

Ov

e

rloa

d

the

rma

l

p

rot

e

c

tion

o

n

ly

u

s

e

d

o

n

62M33

0-64

0

unit

s

wi

th

5

h

p

a

nd

7

1

/

2

hp

mot

o

rs

.

4.

Red

wire

not

us

ed

on

1

15-v

,

2

0

8

/230

-v

s

in

g

le-

phas

e

u

n

its

.

5.

W

ire

c

olor

d

e

te

rm

ined

b

y

primar

y

v

ol

tag

e

and

tr

ans

fo

rm

e

r

ty

pe

us

e

d

.

6.

On

11

5-v

u

nit

s

,

L

2

b

e

c

o

m

es

n

eut

ra

l.

O

n

208

/2

30-v

s

ingle

-pha

s

e

u

n

it

s

,

L3

do

es

n

o

t

e

x

is

t.

7.

On

uni

ts

w

ith

to

ta

l

fu

s

in

g

g

reat

er

than

30

a

m

ps

,

w

hen

pr

e-he

at

er

is

in

s

tall

e

d

and

fu

s

e

d

d

is

c

o

n

nec

t

o

p

tio

n

is

s

e

lec

ted,

fu

s

ing

wil

l

b

e

s

e

par

at

ed

.

E

R

V

a

n

d

p

re

-hea

te

r

wil

l

h

a

v

e

s

e

par

at

e

fu

s

ing.

8.

DP

DT

re

la

y

m

a

y

be

sub

s

ti

tu

ted.

If

s

o

,

p

ins

2

,

5

an

d

8

wi

ll

n

o

t

e

xist

.

9.

F

o

llo

w

a

ll

loc

a

l

a

n

d

ot

her

ap

plic

ab

le

c

odes

.

10.

Only

q

ua

lif

ied

e

le

c

tr

ic

a

l

c

on

tr

a

c

to

rs

s

houl

d

ins

ta

ll

or

s

e

rv

ic

e

th

e

s

e

ER

V

u

n

its

.

11.

F

o

r

e

lec

tr

ic

a

l

c

har

ac

te

ri

s

tic

s

(FL

A

,

MCA

)

re

fe

r

to

c

har

ts

in

th

is

boo

k

le

t.

12.

T

h

is

d

iag

ra

m

is

for

c

ons

tant

v

o

lu

me

u

n

it

s

.

Bef

o

re

per

fo

rm

ing

s

er

v

ic

e

o

r

main

te

nanc

e

ope

ra

tio

n

s

o

n

62M

u

n

it

,

tu

rn

o

ff

p

o

w

er

s

witc

h

e

s

to

un

it.

M

ult

iple

s

wit

c

hes

ma

y

e

x

is

t.

E

lec

tr

ic

a

l

s

h

oc

k

c

o

u

ld

c

aus

e

p

e

rs

onal

in

jur

y

o

r

d

e

a

th

.

LE

GEND

3PDT

T

h

ree

P

ole

,

D

u

al

T

h

ro

w

R

ela

y

FLA

F

u

ll

L

oad

Amp

s

DP

DT

Dual

P

o

le

,

D

ua

l

T

h

ro

w

Rela

y

GR

D

G

roun

d

ER

V

Ene

rg

y

Re

c

o

v

e

ry

V

e

nti

lat

or

MCA

Min

imu

m

Cir

c

u

it

A

m

p

s

FI

O

P

F

a

ct

o

ry-

In

st

a

lle

d

O

p

ti

o

n

OT

P

O

v

er

load

T

h

e

rmal

P

rot

e

c

ti

o

n

Fig.

5

0

T

y

p

ic

a

l

Wir

ing

Sc

he

ma

ti

c

,

High

Volta

g

e

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