Carrier 48AJ User Manual

Page 96

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96

F

ig.

77

— T

y

pi

ca

l

Pow

e

r

Sche

mati

c

4

8

EJ,

E

K,EW,

E

Y0

24

-03

4

; 2

0

8

/2

30-

3-

60

a

nd

46

0-3

-6

0

N

O

TES:

1.

C

onnect TR

A

N

1 to

H4 f

o

r 460

v units

.

Connect to

H

3

f

o

r 230 v

. If 208/230 v units are r

un wit

h

a

20

8-v po

w

e

r supply

, connect to H2.

2.

C

onnect TR

A

N

2 to b

lac

k lead

fo

r 4

60 v units

.

C

onnect

to or

ange

lead f

o

r 230 v units

.

If 208/230

v un

its are r

un w

ith

a 208

-v po

w

e

r supply

, con-

ne

ct to red lead.

3.

C

ircuit break

er m

u

st tr

ip

amps

are e

qual

to or

less than 15

6% FL

A

f

o

r CB1 and CB2. All othe

rs

are 140%

.

4.

If an

y

of the

or

iginal

wire fur

n

ished m

u

st

be

repla

c

ed,

it m

u

st b

e

repla

c

ed

with

T

y

pe

90 C

wire

or its equiv

a

lent.

5.

C

o

mpresso

rs and/or f

a

n

motors

are

ther

mally

protected.

6.

T

h

ree phase motors are

protected against pr

i-

mar

y

single

phasing conditio

n

s

.

T

ABL

E 1A

Th

e f

o

llo

win

g

co

mp

re

ssor

s

h

a

ve tw

o

parallel wires run

fr

om T

B

1 t

o

th

e

co

mp

ressor

s

.

Com

p

ress

or

Model

Vo

lt

a

g

e

Wire

Qu

ant

ity

06D-537

208/23

0-3-6

0

2

T

ABL

E 2B

T

h

e f

o

llo

win

g

f

a

n m

o

to

rs

ha

ve tw

o

parall

el wires

ru

n f

rom

T

B

1 to

th

e fan

mo

tor

s

.

In

do

or

Motor

Vo

lt

a

g

e

Wire

Qu

ant

ity

20 H

P

208/23

0-3-6

0

2

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