20
Vapor Line Selection Chart
Capacity Multiplier Tabl
e
Total
Equivalent
Length - Feet [m]
25 [7.62]
50 [15.24]
75 [22.86]
100 [30.48]
125 [45.72]
150 [45.72]
175 [53.34]
200 [60.96]
225 [68.58]
250 [76.20]
275 [83.82]
300 [91.44
]
18
3/4" [19.06]
5/8 [15.88]
1.00
1.00
0.99
1.00
0.99
1.00
0.98
1.00
0.98
1.00
0.98
0.99
0.97
0.99
0.97
0.99
0.96
0.99
0.96
0.99
0.96
0.99
0.95
0.99
3/4 [19.05]
7/8 [22.23]
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
1 [25.4]
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
1-1/8 [28.58]
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
24
3/4" [19.06]
5/8 [15.88]
1.00
1.00
1.00
0.99
1.00
1.00
0.99
1.00
1.00
0.98
1.00
1.00
0.98
1.00
1.00
0.98
1.00
1.00
N/
R
N/R
0.97
0.99
1.00
N/
R
N/
R
0.97
0.99
1.00
N/
R
N/
R
0.96
0.99
1.00
N/
R
N/
R
0.96
0.99
1.00
N/
R
N/
R
0.96
0.99
1.00
N/
R
N/
R
0.95
0.99
1.00
N/
R
N/
R
3/4 [19.05]
7/8 [22.23]
1 [25.4]
N/R
N/R
N/R
N/R
N/R
1-1/8 [28.58]
N/R
N/R
N/R
N/R
N/R
30
3/4" [19.06]
5/8 [15.88]
1.00
1.00
1.00
1.00
0.99
1.00
1.00
1.00
0.99
1.00
1.00
1.00
0.98
1.00
1.00
1.00
0.98
1.00
1.00
1.00
0.98
0.99
1.00
1.00
N/
R
0.97
0.99
1.00
1.00
N/
R
0.97
0.99
1.00
1.00
N/
R
0.96
0.99
1.00
1.00
N/
R
0.96
0.99
1.00
1.01
N/
R
0.96
0.99
1.00
1.01
N/
R
0.95
0.99
1.00
1.01
N/
R
3/4 [19.05]
7/8 [22.23]
1 [25.4]
1-1/8 [28.58]
N/R
N/R
N/R
N/R
N/R
36
3/4" [19.06]
5/8 [15.88]
1.00
1.00
1.00
1.00
1.00
0.99
1.00
1.00
1.00
1.00
0.99
1.00
1.00
1.00
1.00
0.98
1.00
1.00
1.00
1.00
0.98
1.00
1.00
1.00
1.00
0.98
0.99
1.00
1.00
1.00
0.97
0.99
1.00
1.00
1.01
0.97
0.99
1.00
1.00
1.01
0.96
0.99
1.00
1.00
1.01
0.96
0.99
1.00
1.01
1.01
0.96
0.99
1.00
1.01
1.01
0.95
0.99
1.00
1.01
1.01
3/4 [19.05]
7/8 [22.23]
1 [25.4]
1-1/8 [28.58]
42
3/4" [19.06]
5/8 [15.88]
1.00
1.00
1.00
1.00
1.00
0.99
1.00
1.00
1.00
1.00
0.99
1.00
1.00
1.00
1.00
0.98
1.00
1.00
1.00
1.00
0.98
1.00
1.00
1.00
1.00
0.98
0.99
1.00
1.00
N/
R
0.97
0.99
1.00
1.00
1.01
0.97
0.99
1.00
1.00
1.01
0.96
0.99
1.00
1.00
1.01
0.96
0.99
1.00
1.01
1.01
0.96
0.99
1.00
1.06
1.01
3/4 [19.05]
7/8 [22.23]
1 [25.4]
1-1/8 [28.58]
48
3/4" [19.06]
5/8 [15.88]
1.00
1.00
1.00
1.00
N/
R
0.99
1.00
1.00
1.00
N/
R
0.99
1.00
1.00
1.00
N/
R
0.98
1.00
1.00
1.00
N/
R
0.98
1.00
1.00
1.00
N/
R
0.98
0.99
1.00
1.00
N/
R
0.97
0.99
1.00
1.00
N/
R
0.97
0.99
1.00
1.00
N/
R
0.96
0.99
1.00
1.00
N/
R
0.96
0.99
1.00
1.01
N/R
N/
R
N/R
N/R
N/R
N/R
3/4 [19.05]
7/8 [22.23]
1 [25.4]
1-1/8 [28.58]
60
3/4" [19.06]
5/8 [15.88]
1.00
1.00
1.00
1.00
1.00
0.99
1.00
1.00
1.00
1.00
0.99
1.00
1.00
1.00
1.00
0.98
1.00
1.00
1.00
1.00
N/
R
N/
R
N/
R
N/
R
N/
R
N/
R
N/
R
N/
R
N/
R
N/
R
N/R
N/R
N/R
N/R
N/R
N/R
3/4 [19.05]
N/R
N/R
N/R
N/R
N/R
N/R
7/8 [22.23]
N/R
N/R
N/R
N/R
N/R
N/R
1 [25.4]
N/R
N/R
N/R
N/R
N/R
N/R
1-1/8 [28.58]
N/R
N/R
N/R
N/R
N/R
N/R
NOTES:
N/R = Application not recommended.
All calculations assume a 3/8” liquid lin
e
0.95
0.99
1.00
1.01
1.01
(-)A13
R-410A System
Capacity Mode
l
0.96
0.99
1.00
1.01
N/R
Vapor Line
Connectio
n
Size (Inch I.D.
)
[mm]
Tubing
Table 3