Rheem 14AJM Use and Care Manual - Page 38

Condensing Unit Refrigerant Line Size Information - 3 ton series

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Refrigerant Line Size Information Air 14AJM Series Condensing Unit Refrigerant Line Size Information Liquid Line Sizing (R-410A) Liquid Line System Connection Capacity Size (Inch I.D.) Line Size (Inch O.D.) [mm] Liquid Line Size - Outdoor Unit Above Indoor Coil (Cooling Only-Does not apply to Heat Pumps) Total Equivalent Length-Feet [m] 25 50 75 100 125 150 [7.62] [15.24] [22.86] [30.48] [38.10] [45.72] Liquid Line Size - Outdoor Unit Below Indoor Coil 25 [7.62] Total Equivalent Length-Feet [m] 50 75 100 125 [15.24] [22.86] [30.48] [38.10] 150 [45.72] Minimum Vertical Separation-Feet [m] Maximum Vertical Separation-Feet [m] 1/4 [6.35] 0 0 0 0 8 [2.44] 24 [7.32] 25 [7.62] 40 [12.19] 25 [7.62] 9 [2.74] N/A N/A 11/2 Ton 3/8″ [9.53] 5/16* [7.94] 0 0 0 0 0 0 25 [7.62] 50 [15.24] 62 [18.90] 58 [17.68] 53 [16.15] 49 [14.94] 3/8* [9.53] 0 0 0 0 0 0 25 [7.62] 50 [15.24] 75 [22.86] 72 [21.95] 70 [21.34] 68 [20.73] 2 Ton 1/4 [6.35] 0 3/8″ [9.53] 5/16* [7.94] 0 3/8* [9.53] 0 3 [0.91] 29 [8.84] 55 [16.76] 81 [24.69] 108 [32.92] 23 [7.01] N/A N/A N/A N/A N/A 0 0 0 0 0 25 [7.62] 36 [10.97] 29 [8.84] 23 [7.01] 16 [4.88] 9 [2.74] 0 0 0 0 0 25 [7.62] 50 [15.24] 72 [21.95] 70 [21.34] 68 [20.73] 65 [19.81] 1/4 [6.35] 0 21/2 Ton 3/8″ [9.53] 5/16* [7.94] 0 3/8* [9.53] 0 14 [4.27] 56 [17.07] 98 [29.87] N/A 0 0 0 0 0 0 0 0 N/A 25 [7.62] N/A N/A N/A N/A N/A 0 25 [7.62] 49 [14.94] 38 [11.58] 27 [8.23] 17 [5.18] 6 [1.83] 0 25 [7.62] 50 [15.24] 68 [20.73] 65 [19.81] 62 [18.90] 58 [17.68] 3 Ton 3/8″ 5/16 [7.94] 0 [9.53] 3/8* [9.53] 0 0 0 0 0 0 0 0 9 [2.74] 25 [7.62] 50 [15.24] 37 [11.28] 22 [6.71] 7 [2.13] N/A 0 0 25 [7.62] 50 [15.24] 68 [20.73] 63 [19.20] 58 [17.68] 53 [16.15] 31/2 Ton 3/8″ [9.53] 5/16 [7.94] 3/8* [9.53] 0 0 0 0 0 16 [4.88] 35 [10.67] 54 [16.46] 25 [7.62] 23 [7.01] 4 [1.22] N/A N/A N/A 0 0 0 0 25 [7.62] 50 [15.24] 43 [13.11] 36 [10.97] 30 [9.14] 24 [7.32] 4 Ton 3/8″ [9.53] 3/8* [9.53] 0 1/2 [12.57] 0 0 0 0 0 0 0 0 0 0 25 [7.62] 46 [14.02] 38 [11.58] 30 [9.14] 22 [6.71] 15 [4.57] 0 25 [7.62] 50 [15.24] 56 [17.07] 55 [16.76] 53 [16.15] 52 [15.85] 5 Ton 3/8″ [9.53] 3/8* [9.53] 0 1/2 [12.57] 0 0 0 0 0 0 0 0 0 0 25 [7.62] 50 [15.24] 56 [17.07] 44 [13.41] 32 [9.75] 20 [6.10] 0 25 [7.62] 50 [15.24] 75 [22.86] 81 [24.69] 79 [24.08] 76 [23.16] NOTES: *Standard line size N/A = Application not recommended. Unit Size Suction Line Connection Size 11/2 Ton Suction Line Length/Size versus Capacity Multiplier (R-410A) 2 Ton 21/2 Ton 3 Ton 3/4" [19.05] I.D. 31/2 Ton 4 Ton 7/8" [22.23] I.D. 5 Ton Suction Line Run-Feet [m] 5/8" [15.88 mm] O.D. Optional 3/4" [19.05 mm] O.D. Standard* 5/8" [15.88 mm] O.D. Optional 3/4" [19.05 mm] O.D. Standard* 7/8" [22.23 mm] O.D. Optional 3/4" [19.05 mm] O.D. Optional 7/8" [22.23 mm] O.D. Standard* 7/8" [22.23 mm] O.D. Optional 11/8" [28.58 mm] O.D. Standard* Optional 1.00 1.00 1.00 25' [7.62] Standard 1.00 1.00 1.00 Optional - - 1.00 Optional .98 .98 .96 50' [15.24] Standard .99 .99 .98 Optional - - .99 Optional .95 .95 .94 100' [30.48] Standard .96 .96 .96 Optional - - .97 Optional .92 .92 .91 150' [45.72] Standard .93 .94 .93 Optional - - .95 NOTES: *Standard line size Using suction line larger than shown in chart will result in poor oil return and is not recommended. 3 Ton Suction Line Connection is 3/4" [ ] Designates Metric Conversions 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 - - - - .98 .99 .99 .99 .99 .99 .99 .99 - - - - .96 .96 .96 .97 .97 .98 .98 .98 - - - - .94 .94 .95 .94 .95 .96 .96 .97 - - - - 38

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Air
Refrigerant Line Size Information
14AJM Series
38
Suction Line Length/Size versus Capacity Multiplier (R-410A)
Suction Line Run—Feet [m]
Optional
Standard
Optional
Optional
Standard
Optional
Optional
Standard
Optional
Optional
Standard
Optional
5 Ton
4 Ton
3
1
/
2
Ton
3 Ton
2
1
/
2
Ton
2 Ton
Unit Size
1
1
/
2
Ton
5
/
8
" [15.88 mm] O.D. Optional
3
/
4
" [19.05 mm] O.D. Standard*
3
/
4
" [19.05 mm] O.D. Optional
7
/
8
" [22.23 mm] O.D. Standard*
7
/
8
" [22.23 mm] O.D. Optional
1
1
/
8
" [28.58 mm] O.D. Standard*
25'
[7.62]
1.00
1.00
—
1.00
1.00
—
1.00
1.00
1.00
1.00
1.00
—
1.00
1.00
—
1.00
1.00
—
1.00
1.00
—
50' [15.24]
.98
.99
—
.98
.99
—
.96
.98
.99
.98
.99
—
.99
.99
—
.99
.99
—
.99
.99
—
100' [30.48]
.95
.96
—
.95
.96
—
.94
.96
.97
.96
.97
—
.96
.98
—
.96
.98
—
.97
.98
—
150' [45.72]
.92
.93
—
.92
.94
—
.91
.93
.95
.94
.95
—
.94
.96
—
.95
.96
—
.94
.97
—
7/8" [22.23] I.D.
Suction Line Connection Size
3/4" [19.05] I.D.
5
/
8
" [15.88 mm] O.D. Optional
3
/
4
" [19.05 mm] O.D. Standard*
7
/
8
" [22.23 mm] O.D. Optional
System
Capacity
Line Size
(Inch O.D.)
[mm]
Liquid Line Size – Outdoor Unit Above Indoor Coil
(Cooling Only—Does not apply to Heat Pumps)
Liquid Line Size – Outdoor Unit Below Indoor Coil
Minimum Vertical Separation—Feet [m]
Maximum Vertical Separation—Feet [m]
25
[7.62]
50
[15.24]
75
[22.86]
100
[30.48]
125
[38.10]
150
[45.72]
25
[7.62]
50
[15.24]
75
[22.86]
100
[30.48]
125
[38.10]
150
[45.72]
Total Equivalent Length—Feet [m]
Total Equivalent Length—Feet [m]
5/16
*
[7.94]
0
0
0
0
0
0
25 [7.62]
50 [15.24]
62 [18.90]
58 [17.68]
53 [16.15]
49 [14.94]
1
1
/
2
Ton
1/4
[6.35]
0
0
0
0
8
[2.44]
24
[7.32]
25 [7.62]
40 [12.19]
25
[7.62]
9
[2.74]
N/A
N/A
3/8* [9.53]
0
0
0
0
0
0
25 [7.62]
50 [15.24]
75 [22.86]
72 [21.95]
70 [21.34]
68 [20.73]
3 Ton
5/16
[7.94]
0
0
0
0
0
9
[2.74]
25 [7.62]
50 [15.24]
37 [11.28]
22
[6.71]
7
[2.13]
N/A
3/8* [9.53]
0
0
0
0
0
0
25 [7.62]
50 [15.24]
68 [20.73]
63 [19.20]
58 [17.68]
53 [16.15]
3
1
/
2
Ton
5/16
[7.94]
0
0
0
16 [4.88]
35 [10.67]
54 [16.46]
25 [7.62]
23
[7.01]
4
[1.22]
N/A
N/A
N/A
3/8* [9.53]
0
0
0
0
0
0
25 [7.62]
50 [15.24]
43 [13.11]
36 [10.97]
30
[9.14]
24
[7.32]
4 Ton
3/8* [9.53]
0
0
0
0
0
0
25 [7.62]
46 [14.02]
38 [11.58]
30
[9.14]
22
[6.71]
15
[4.57]
1/2 [12.57]
0
0
0
0
0
0
25 [7.62]
50 [15.24]
56 [17.07]
55 [16.76]
53 [16.15]
52 [15.85]
Liquid Line Sizing (R-410A)
5/16
*
[7.94]
0
0
0
0
0
0
25 [7.62]
49 [14.94]
38 [11.58]
27
[8.23]
17
[5.18]
6
[1.83]
2
1
/
2
Ton
1/4
[6.35]
0
14 [4.27]
56 [17.07]
98 [29.87]
N/A
N/A
25 [7.62]
N/A
N/A
N/A
N/A
N/A
3/8* [9.53]
0
0
0
0
0
0
25 [7.62]
50 [15.24]
68 [20.73]
65 [19.81]
62 [18.90]
58 [17.68]
5/16
*
[7.94]
0
0
0
0
0
0
25 [7.62]
36 [10.97]
29
[8.84]
23
[7.01]
16
[4.88]
9
[2.74]
2 Ton
1/4
[6.35]
0
3 [0.91]
29
[8.84]
55 [16.76]
81 [24.69]
108 [32.92]
23 [7.01]
N/A
N/A
N/A
N/A
N/A
3/8* [9.53]
0
0
0
0
0
0
25 [7.62]
50 [15.24]
72 [21.95]
70 [21.34]
68 [20.73]
65 [19.81]
3/8
″
[9.53]
3/8
″
[9.53]
3/8
″
[9.53]
3/8
″
[9.53]
3/8
″
[9.53]
Liquid Line
Connection
Size
(Inch I.D.)
3/8
″
[9.53]
5 Ton
3/8* [9.53]
0
0
0
0
0
0
25 [7.62]
50 [15.24]
56 [17.07]
44 [13.41]
32
[9.75]
20
[6.10]
1/2 [12.57]
0
0
0
0
0
0
25 [7.62]
50 [15.24]
75 [22.86]
81 [24.69]
79 [24.08]
76 [23.16]
3/8
″
[9.53]
NOTES: *Standard line size
N/A = Application not recommended.
NOTES: *Standard line size
Using suction line larger than shown in chart will result in poor oil return and is not recommended.
3 Ton Suction Line Connection is 3/4"
[
] Designates Metric Conversions
Condensing Unit Refrigerant Line Size Information