20
Vapor Line Selection Chart
Capacity Multiplier Table
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 line
0.95
0.99
1.00
1.01
1.01
(-)A13
R-410A System
Capacity Model
0.96
0.99
1.00
1.01
N/R
Vapor Line
Connection
Size (Inch I.D.)
[mm]
Tubing
Table 3