13 - 14 SEER Single-Stage Air-Conditioners
Unit Size
Allowable
Liquid
Line Size
mm [in.]
Allowable
Suction
Line Size
mm [in.]
Apply Long Line Guidelines
if Linear Line Length Exceeds
Those Shown Below (Meters)
Equivalent Length (Meters)
< 8 8-15 16-23 24-30 31-38 39-46 47-53 54-61 62-69 70-76
DRAC13 DRAC14A/B DRAC14W
Maximum Vertical Rise (Outdoor Unit Below Indoor Unit) * / Capacity Multiplier
5.3 KW
[1.5 Ton]
**SEE NOTE 3
6.35 [1/4] 15.88 [5/8]
N/A N/A N/A 8 / 1.00 15 / 0.99 19 / 0.98 13 / 0.98 7 / 0.97 2 / 0.97 NR NR NR NR
7.94 [5/16] 15.88 [5/8]
69 57 58 8 / 1.00 15 / 0.99 23 / 0.98 30 / 0.98 28 / 0.97 27 / 0.97 25 / 0.96 24 / 0.96 22 / 0.95 21 / 0.94
9.53 [3/8] 15.88 [5/8]
46 38 39 8 / 1.00 15 / 0.99 23 / 0.98 30 / 0.98 30 / 0.97 30 / 0.97 30 / 0.96 30 / 0.96 30 / 0.95 30 / 0.94
6.35 [1/4] 19.05 [3/4]**
N/A N/A N/A 8 / 1.00 15 / 1.00 19 / 0.99 13 / 0.99 7 / 0.99 2 / 0.99 NR NR NR NR
7.94 [5/16] 19.05 [3/4]**
69 57 58 8 / 1.00 15 / 1.00 23 / 0.99 30 / 0.99 28 / 0.99 27 / 0.99 25 / 0.99 24 / 0.98 22 / 0.98 21 / 0.98
9.53 [3/8] 19.05 [3/4]**
46 38 39 8 / 1.00 15 / 1.00 23 / 0.99 30 / 0.99 30 / 0.99 30 / 0.99 30 / 0.99 30 / 0.98 30 / 0.98 30 / 0.98
7.0 KW
[2 Ton]
6.35 [1/4] 15.88 [5/8]
N/A N/A N/A 8 / 0.99 15 / 0.98 6 / 0.97 NR NR NR NR NR NR NR
7.94 [5/16] 15.88 [5/8]
68 55 55 8 / 0.99 15 / 0.98 23 / 0.97 27 / 0.96 23 / 0.95 21 / 0.94 19 / 0.93 16 / 0.92 14 / 0.91 11 / 0.90
9.53 [3/8] 15.88 [5/8]
45 37 37 8 / 0.99 15 / 0.98 23 / 0.97 30 / 0.96 30 / 0.95 30 / 0.94 30 / 0.93 29 / 0.92 28 / 0.91 27 / 0.90
6.35 [1/4] 19.05 [3/4]
N/A N/A N/A 8 / 1.00 15 / 1.00 6 / 0.99 NR NR NR NR NR NR NR
7.94 [5/16] 19.05 [3/4]
68 55 55 8 / 1.00 15 / 1.00 23 / 0.99 27 / 0.99 23 / 0.98 21 / 0.98 19 / 0.98 16 / 0.97 14 / 0.97 11 / 0.96
9.53 [3/8] 19.05 [3/4]
45 37 37 8 / 1.00 15 / 1.00 23 / 0.99 30 / 0.99 30 / 0.98 30 / 0.98 30 / 0.98 29 / 0.97 28 / 0.97 27 / 0.96
8.8 KW
[2.5 Ton]
7.94 [5/16] 15.88 [5/8]
45 45 34 8 / 0.99 15 / 0.98 23 / 0.96 21 / 0.94 18 / 0.93 15 / 0.91 11 / 0.90 NR NR NR
9.53 [3/8] 15.88 [5/8]
30 30 23 8 / 0.99 15 / 0.98 23 / 0.96 30 / 0.94 30 / 0.93 29 / 0.91 27 / 0.90 NR NR NR
7.94 [5/16] 19.05 [3/4]
45 45 34 8 / 1.00 15 / 0.99 23 / 0.99 21 / 0.98 18 / 0.98 15 / 0.97 11 / 0.96 8 / 0.96 4 / 0.95 NR
9.53 [3/8] 19.05 [3/4]
30 30 23 8 / 1.00 15 / 0.99 23 / 0.99 30 / 0.98 30 / 0.98 29 / 0.97 27 / 0.96 26 / 0.96 25 / 0.95 24 / 0.95
10.6 KW
[3 Ton]
7.94 [5/16] 15.88 [5/8]
N/A 22 22 8 / 0.99 15 / 0.97 20 / 0.94 15 / 0.92 10 / 0.90 NR NR NR NR NR
9.53 [3/8] 15.88 [5/8]
34 15 15 8 / 0.99 15 / 0.97 23 / 0.94 29 / 0.92 27 / 0.90 NR NR NR NR NR
7.94 [5/16] 19.05 [3/4]
N/A 22 22 8 / 1.00 15 / 0.99 20 / 0.98 15 / 0.98 10 / 0.97 5 / 0.96 NR NR NR NR
9.53 [3/8] 19.05 [3/4]
34 15 15 8 / 1.00 15 / 0.99 23 / 0.98 29 / 0.98 27 / 0.97 26 / 0.96 24 / 0.95 22 / 0.94 20 / 0.93 19 / 0.93
12.70 [1/2] 19.05 [3/4]
17 7 7 8 / 1.00 15 / 0.99 23 / 0.98 30 / 0.98 30 / 0.97 30 / 0.96 30 / 0.95 30 / 0.94 30 / 0.93 30 / 0.93
7.94 [5/16] 22.23 [7/8]
N/A 22 22 8 / 1.00 15 / 1.00 20 / 1.00 15 / 0.99 10 / 0.99 5 / 0.99 NR NR NR NR
9.53 [3/8] 22.23 [7/8]
34 15 15 8 / 1.00 15 / 1.00 23 / 1.00 29 / 0.99 27 / 0.99 26 / 0.99 24 / 0.98 22 / 0.98 20 / 0.98 19 / 0.97
12.70 [1/2] 22.23 [7/8]
17 7 7 8 / 1.00 15 / 1.00 23 / 1.00 30 / 0.99 30 / 0.99 30 / 0.99 30 / 0.98 30 / 0.98 30 / 0.98 30 / 0.97
12.3 KW
[3.5 Ton]
9.53 [3/8] 19.05 [3/4]
45 30 30 8 / 0.99 15 / 0.98 23 / 0.97 27 / 0.96 24 / 0.95 22 / 0.94 20 / 0.92 17 / 0.91 15 / 0.90 NR
12.70 [1/2] 19.05 [3/4]
23 15 15 8 / 0.99 15 / 0.98 23 / 0.97 30 / 0.96 30 / 0.95 30 / 0.94 30 / 0.92 30 / 0.91 30 / 0.90 NR
9.53 [3/8] 22.23 [7/8]
45 30 30 8 / 1.00 15 / 1.00 23 / 0.99 27 / 0.99 24 / 0.99 22 / 0.98 20 / 0.97 17 / 0.97 15 / 0.96 13 / 0.96
12.70 [1/2] 22.23 [7/8]
23 15 15 8 / 1.00 15 / 1.00 23 / 0.99 30 / 0.99 30 / 0.99 30 / 0.98 30 / 0.97 30 / 0.97 30 / 0.96 30 / 0.96
14.1 KW
[4 Ton]
9.53 [3/8] 19.05 [3/4]
25 25 0 8 / 0.99 15 / 0.98 23 / 0.96 24 / 0.95 20 / 0.93 17 / 0.92 14 / 0.91 NR NR NR
12.70 [1/2] 19.05 [3/4]
12 12 0 8 / 0.99 15 / 0.98 23 / 0.96 30 / 0.95 30 / 0.93 30 / 0.92 30 / 0.91 NR NR NR
9.53 [3/8] 22.23 [7/8]
25 25 0 8 / 1.00 15 / 0.99 23 / 0.99 24 / 0.98 20 / 0.97 17 / 0.97 14 / 0.96 11 / 0.96 8 / 0.95 5 / 0.95
12.70 [1/2] 22.23 [7/8]
12 12 0 8 / 1.00 15 / 0.99 23 / 0.99 30 / 0.98 30 / 0.97 30 / 0.97 30 / 0.96 30 / 0.96 30 / 0.95 30 / 0.95
17.6 KW
[5 Ton]
9.53 [3/8] 19.05 [3/4]
0 0 0 8 / 0.99 15 / 0.97 23 / 0.94 19 / 0.92 14 / 0.90 NR NR NR NR NR
12.70 [1/2] 19.05 [3/4]
0 0 0 8 / 0.99 15 / 0.97 23 / 0.94 30 / 0.92 30 / 0.90 NR NR NR NR NR
9.53 [3/8] 22.23 [7/8]
0 0 0 8 / 1.00 15 / 0.99 23 / 0.98 19 / 0.97 14 / 0.96 10 / 0.95 5 / 0.94 NR NR NR
12.70 [1/2] 22.23 [7/8]
0 0 0 8 / 1.00 15 / 0.99 23 / 0.98 30 / 0.97 30 /0.96 30 / 0.95 30 / 0.94 29 / 0.94 28 / 0.93 27 / 0.92
9.53 [3/8] 28.58 [1-1/8]
0 0 0 8 / 1.01 15 / 1.01 23 / 1.00 19 / 1.00 14 / 0.99 10 / 0.99 5 / 0.99 NR NR NR
12.70 [1/2] 28.58 [1-1/8]
0 0 0 8 / 1.01 15 / 1.01 23 / 1.00 30 / 1.00 30 / 0.99 30 / 0.99 30 / 0.99 29 / 0.99 28 / 0.99 27 / 0.98
Air Conditioner Refrigerant Line Size Information
[ ] Designates Metric Conversions
NOTES:
1. Do not exceed 61 meters linear line length.
2. *Do not exceed 30 meters vertical separation if outdoor unit is above indoor unit.
3. **
19.05 mm [3/4 in.] suction line should only be used for 1.5 ton systems if outdoor unit is below or at same level as indoor to
assure proper oil return.
4. Always use the smallest liquid line allowable to minimize refrigerant charge.
5.
Applications shaded in light gray indicate capacity multipliers between 0.90 and 0.96 which are not recommended,
but are allowed.
6.
Applications shaded in dark gray are not recommended due to excessive liquid or suction pressure drop.
Refrigerant Line Size Information
DRAC14 Series