Rely on Ruud.™
17
Refrigerant Line Size Information
UA17 Series
R-410A System
Capacity Model
Liquid Line Size
Connection Size
(Inch I.D.) [mm]
Liquid Line Size
(Inch O.D.) [mm]
Liquid Line Selection Chart
Elevation (Above or Below) Indoor Coil
To
ta
l
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]
Maximum
V
ertical Separation –
Feet [m]
24
3/8" [9.53]
1/4
[6.35]
25 [7.62]
45 [13.72]
20
[6.1]
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
5/16
[7.94]
25 [7.62]
50 [15.24]
75 [22.86]
70 [21.34]
65 [19.81]
55 [16.76]
50 [15.24]
45 [13.72]
40 [12.19]
30
[9.14]
25
[7.62]
20
[6.1]
3/8
[9.53]
25 [7.62]
50 [15.24]
75 [22.86]
85 [25.91]
85 [25.91]
80 [24.38]
80 [24.38]
80 [24.38]
75 [22.86]
75 [22.86]
70 [21.34]
70 [21.34]
7/16 [11.12]
25 [7.62]
50 [15.24]
75 [22.86]
90 [27.43]
90 [27.43]
90 [27.43]
90 [27.43]
90 [27.43]
85 [25.91]
85 [25.91]
85 [25.91]
85 [25.91]
1/2 [12.71]
25 [7.62]
50 [15.24]
75 [22.86]
95 [28.96]
95 [28.96]
95 [28.96]
90 [27.43]
90 [27.43]
90 [27.43]
90 [27.43]
90 [27.43]
90 [27.43]
36
3/8" [9.53]
1/4
[6.35]
25 [7.62]
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
5/16
[7.94]
25 [7.62]
50 [15.24]
45 [13.72]
35 [10.67]
20
[6.1]
5
[1.52]
N/R
N/R
N/R
N/R
N/R
N/R
3/8
[9.53]
25 [7.62]
50 [15.24]
70 [21.34]
65 [19.81]
60 [18.29]
60 [18.29]
55 [16.76]
50 [15.24]
45 [13.72]
40 [12.19]
35 [10.67]
30
[9.14]
7/16 [11.12]
25 [7.62]
50 [15.24]
75 [22.86]
75 [22.86]
75 [22.86]
75 [22.86]
70 [21.34]
70 [21.34]
70 [21.34]
65 [19.81]
65 [19.81]
60 [18.29]
1/2 [12.71]
25 [7.62]
50 [15.24]
75 [22.86]
80 [24.38]
80 [24.38]
80 [24.38]
80 [24.38]
80 [24.38]
75 [22.86]
75 [22.86]
75 [22.86]
75 [22.86]
48
3/8" [9.53]
1/4
[6.35]
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
5/16
[7.94]
25 [7.62]
50 [15.24]
25
[7.62]
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
3/8
[9.53]
25 [7.62]
50 [15.24]
70 [21.34]
60 [18.29]
55 [16.76]
45 [13.72]
40 [12.19]
30
[9.14]
25
[7.62]
15
[4.57]
10
[3.05]
N/R
7/16 [11.12]
25 [7.62]
50 [15.24]
75 [22.86]
80 [24.38]
75 [22.86]
75 [22.86]
70 [21.34]
65 [19.81]
65 [19.81]
60 [18.29]
55 [16.76]
55 [16.76]
1/2 [12.71]
25 [7.62]
50 [15.24]
75 [22.86]
85 [25.91]
85 [25.91]
80 [24.38]
80 [24.38]
80 [24.38]
80 [24.38]
75 [22.86]
75 [22.86]
75 [22.86]
60
3/8" [9.53]
1/4
[6.35]
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
5/16
[7.94]
25 [7.62]
30 [9.14]
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
N/R
3/8
[9.53]
25 [7.62]
50 [15.24]
55 [16.76]
45 [13.72]
35 [10.67]
25
[7.62]
15
[4.57]
5
[1.52]
N/R
N/R
N/R
N/R
7/16 [11.12]
25 [7.62]
50 [15.24]
75 [22.86]
70 [21.34]
65 [19.81]
60 [18.29]
55 [16.76]
55 [16.76]
50 [15.24]
45 [13.72]
40 [12.19]
35 [10.67]
1/2 [12.71]
25 [7.62]
50 [15.24]
75 [22.86]
80 [24.38]
75 [22.86]
75 [22.86]
70 [21.34]
70 [21.34]
70 [21.34]
65 [19.81]
65 [19.81]
60 [18.29]
Refrigerant Line Size Information
NO
TES:
[
] Designates Metric Conversions
N/R
=
A
pplica
tion not recommended.
Grey
=This a
pplica
tion is acceptable,
but the long line guidelines must be follo
wed.
Reference Long Line Set section in the I&O