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Pe rf ormance da ta (c ont), 50x p – Carrier 50XP User Manual

Page 15

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15

P

E

RF

ORMANCE

DA

TA

(C

ONT)

*A

t7

F(

24

°C

)e

nt

eri

ng

dr

y

bulb

---

Te

nne

ss

ee

Va

lle

y

Aut

ho

rit

y

(T

VA

)r

at

in

g

co

nd

iti

on

s;

al

lo

th

er

s

at

80

°

F(

27

°C

)dr

y

bu

lb.

LEG

E

N

D

B

F—

B

yp

as

s

Fac

to

r

edb—

E

nte

rin

g

D

ry

---

Bu

lb

Ew

b—

Ent

eri

ng

W

et

---

B

ulb

kW

To

ta

lUni

tP

ow

er

Inp

ut

S

H

C

S

en

si

bl

e

Hea

tC

ap

ac

ity

(1000

B

tu

h)

TC

Tot

al

C

ap

ac

ity

(1000

B

tu

h)

(n

et

)

rh

R

el

at

iv

e

H

um

id

ity

C

OOL

IN

G

N

OT

E

S

:

1.

R

at

ing

s

are

ne

t;

th

ey

ac

co

unt

fo

rt

he

ef

fe

ct

s

of

the

ev

ap

or

at

or

---

fa

n

m

ot

or

po

w

er

and

he

at

.

2.

Di

re

ct

in

te

rp

ol

at

io

n

is

pe

rm

is

si

bl

e.

Do

no

te

xt

rap

olat

e.

3.

The

fo

llo

w

ing

fo

rm

ula

s

m

ay

be

us

ed

:

S

en

si

bl

e

ca

pa

ci

ty

(B

tuh)

1.10

x

cf

m

t

ld

b

=

t

ed

b

---

W

et

---

bu

lb

te

m

pe

ra

tu

re

co

rr

es

po

ndi

ng

to

en

th

al

py

ai

r

leav

in

g

ev

ap

orat

or

co

il

(

h

lw

b)

t

lw

b

=

to

ta

lc

ap

ac

ity

(Btu

h)

4.5

x

cf

m

h

lw

b

=

h

ew

b

---

W

her

e:

h

ew

b

=

E

nt

hal

py

of

ai

re

nt

eri

ng

ev

ap

orat

or

coi

l

4.

Th

e

S

HC

is

ba

se

d

on

805

F

(26.6

_C)

ed

b

te

m

pe

rat

ure

of

ai

re

nt

er

in

g

ev

ap

orat

or

co

il.

B

elo

w

80

_F

(26.6

_C

)e

db,

su

btr

act

(c

or

rf

ac

to

rx

cf

m

)f

ro

m

S

H

C

.

Ab

ov

e

80

_F

(26.6

_C

)e

db,

ad

d

(co

rr

fa

cto

rx

cf

m

)t

o

S

H

C

.

C

or

re

ct

io

n

Fa

ct

or

=

1.10

x

(1

+

B

F)

x

(e

db

+

80)

.

5.

In

te

gr

at

ed

ca

pa

ci

ty

is

m

ax

im

um

(in

st

an

ta

ne

ou

s)

ca

pa

ci

ty

le

ss

th

e

ef

fe

ct

of

fro

st

on

th

e

ou

tdo

or

co

il

an

d

th

e

he

at

re

qu

ire

d

to

de

fro

st

it.

50X

P