Specification Sheet
Rheem Manufacturing Company 11
Condensing Unit Refrigerant Line Size Information
Suction Line Connection Size
25'
[7.62]
50'
[15.24]
100'
[30.48]
150'
[45.72]
Optional
Standard
Optional
Optional
Standard
Optional
Optional
Standard
Optional
Optional
Standard
Optional
3/4" [19.05] I.D.
—
1.00
1.00
—
.99
1.00
—
.97
.98
—
.95
.97
Suction Line Length/Size versus Capacity Multiplier (2-Stage R-410A)
Unit Size 2 Ton
Suction Line Run
Feet [m]
5
/
8" [15.88 mm]O.D. Optional
3
/4" [19.05 mm]O.D. Standard
3 Ton
5
/
8" [15.88 mm]O.D. Optional
3
/4" [19.05 mm]O.D. Standard
3/4" [19.05] I.D.
99
1.00
—
.98
.99
—
.95
.97
—
.91
.95
—
System
Capacity
(2nd
Stage)
Line Size
(Inch O.D.)
[mm]
Liquid Line Size
Outdoor Unit above Indoor Coil (Cooling Only)
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]
3/8* [9.53] 0 0 0 0 0 0 25 [7.62] 50 [15.24] 45 [13.72] 42 [12.80] 39 [11.89] 37 [11.28]
2 Ton
1/4* [7.94] 0 0 17 [5.18] 43 [13.11] 70 [21.34] 95 [28.96] 25 [7.62] 10 [3.05] N/A N/A N/A N/A
3/8
″
[9.53]
Liquid Line
Connection
Size
(Inch I.D.)
[mm]
3/8* [9.53] 0 0 0 0 0 0 25 [7.62] 50 [15.24] 51 [15.54] 48 [14.63] 44 [13.41] 40 [12.19]
3 Ton
5/16 [7.94] 0 0 0 0 0 7 [2.13] 25 [7.62] 39 [11.89] 28 [8.53] 16 [4.88] 5 [1.52] N/A
3/8
″
[9.53]
Liquid Line Sizing (2-Stage R-410A)
5/16 [7.94] 0 0 0 0 0 0 25 [7.62] 50 [15.24] 40 [12.19] 35 [10.67] 29 [8.84] 22 [6.71]
NOTES:
*Standard line size.
N/A = Application not recommended.
Note: Using suction line larger than shown in chart will result in poor oil return.
[ ] Designates Metric Conversions