22
18-BC92D1-1G-EN
Subcool Charging Correction Charts
IIm
mp
po
orrtta
an
ntt:: VARIABLE SPEED OUTDOOR UNITS
REQUIRE THE INDOOR UNIT BE
CONFIGURED FOR 400 CFM/TON
Figure 2.
Subcool Charging Corrections — 2.0 Ton
2.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
+
,
+
-
.
/
0
1
/
2
3
0
/
-
4
+
.
2
4
0
.
0
4
3
+
5
6
1
0
0
+
7
8
9
9
:
;
8
9
9
:
;
Use Design Subcooling
8
9
9
<
;
=
>
?
>
@
>
A
>
>
A
A
>
A
B
>
A
C
>
A
D
>
A
E
>
F
>
E
>
D
>
C
>
B
>
E
>
D
>
C
>
B
E
A
E
A
>
>
G
H
I
G
J
K
H
G
L
M
N
O
J
M
H
O
J
I
N
P
I
H
H
N
Q
Figure 3.
Subcool Charging Corrections — 3.0 Ton
3.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
R
S
R
T
U
V
W
X
V
Y
Z
W
V
T
[
R
U
Y
[
W
U
W
[
Z
R
\
]
X
W
W
R
^
_
`
`
a
b
_
`
`
a
b
Use Design Subcooling
_
`
`
c
b
d
e
f
e
g
e
h
e
e
h
h
e
h
i
e
h
j
e
h
k
e
h
l
e
m
e
l
e
k
e
j
e
i
e
l
e
k
e
j
e
i
l
h
l
h
e
e
n
o
p
n
q
r
o
n
s
t
u
v
q
t
o
v
q
p
u
w
p
o
o
u
x
Figure 4.
Subcool Charging Corrections — 4.0 Ton
4.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
R
S
R
T
U
V
W
X
V
Y
Z
W
V
T
[
R
U
Y
[
W
U
W
[
Z
R
\
]
X
W
W
R
^
_
`
`
a
b
a
b
a
b
a
b
_
`
`
a
b
Use Design Subcooling
_
`
`
c
b
d
e
f
e
g
e
h
e
e
h
h
e
h
i
e
h
j
e
h
k
e
h
l
e
m
e
l
e
k
e
j
e
i
e
l
e
k
e
j
e
i
l
h
l
h
e
e
n
o
p
n
q
r
o
n
s
t
u
v
q
t
o
v
q
p
u
w
p
o
o
u
x
Figure 5.
Subcool Charging Corrections — 5.0 Ton
5.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
NOTE: 150 ft. length is approved ONLY with 7/8” vapor lines.
1°
1°
TOTAL REFRIGERANT LINE LENGTH (FEET)
Add 1°
Add 1°
Add 1°
Use Design Subcooling
_
`
`
c
b
Add 4°
70
80
90
100 110 120 130 140 150
60
50
40
30
20
50
40
30
25
15
10
0
REF
RI
GERAN
T
LI
NE
L
IF
T
(F
EE
T)
HP: 1-1/8” Vapor Line Limit
AC: 1-1/8” Vapor Line Limit
Refrigerant Charging Chart
5$ 5()5,*(5$17 &+$5*,1* &+$57
/,48,'
7(03
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'(6,*1 68%&22/,1* )
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