Heat Controller HRE1318/1360-1A Installation And Operation Manual page 14

TABLE 3
LIQUID LINE SIZE
Liquid
Line
Line
Size
System
Connection
Capacity (Inch
Size
Model
O.D.)
(Inch I.D.)
[mm]
[mm]
1/4*
5/16
[6.35]
18
[7.94]
5/16
[7.94]
1/4*
[6.35]
5/16
24
[7.94]
5/16
[7.94]
1/4*
[6.35]
5/16
5/16
30
[7.94]
[7.94]
3/8
[9.53]
5/16*
[7.94]
5/16
36
[7.94] 3/8
[9.53]
5/16*
[7.94]
5/16
42
[7.94]
3/8
[9.53]
3/8*
[9.53]
3/8
48
[9.53]
1/2
[12.7]
3/8*
[9.53]
3/8
60
[9.53]
1/2
[12.7]
*Standard line size
NOTES:
➀ Do not exceed vertical separation as indicated on the chart.
➁ Always use the smallest liquid line possible to minimize system charge.
➂ Chart may be used to size horizontal runs.
Liquid Line Size
Outdoor Unit Above Indoor Coil
Total Length—Feet [m]
25 50 75 100
[7.62] [15.24] [22.86] [30.48]
Vertical Separation—Feet [m]
25 50 70
[7.62] [15.24] [21.34]
36 42
[10.97] [12.80]
25 50
[7.62] [15.24]
24 34 44
[7.32] [10.36] [13.41]
25 50
[7.62] [15.24]
19 33 47
[5.79] [10.06] [14.33]
25 50 70
[7.62] [15.24] [21.34]
34 40
[10.36] [12.19]
25 50 75
[7.62] [15.24] [22.86]
32 39
[9.75] [11.89]
25 44 53 61
[7.62] [13.41] [16.15] [18.59]
25 48 61 72
[7.62] [14.63] [18.59] [21.95]
35
[10.67]
125 150 25 50
[38.10] [45.72] [7.62] [15.24]
25 23
[7.62] [7.01]
48 54
[14.63] [16.48]
25 23
[7.62] [7.01]
54 64
0
[16.46] [19.51]
25 23
[7.62] [7.01]
61
0
[18.59]
11 15
[3.35] [4.57]
25 23
[7.62] [7.01]
46 52
[14.02] [15.85]
25 23
[7.62] [7.01]
46 53
[14.02] [16.15]
70 25 28
[21.34] [7.62] [8.53]
37 39
[11.28] [11.89]
25 23
[7.62] [7.01]
38 41
[11.58] [12.50]
Liquid Line Size
Outdoor Unit Below Indoor Coil
Total Length—Feet [m]
75 100 125
[22.86] [30.48] [38.10]
Vertical Separation—Feet [m]
8
[2.44]
0 0 0
0 0 0
0 0 0
9
[2.74]
0 0 0
9
[2.74]
0 0 0
19 11 3
[5.79] [3.35] [.91]
0
11 3
[3.35] [.91]
0 0
150
[45.72]
0
0
0
0
0
0
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