Rheem (RA14) Specifications Sheet download pdf (Page 13)

Air

Refrigerant Line Size Information

RA14 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

Total 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 Vertical Separation – Feet [m]

18 3/8" [9.53]

1/4 [6.35] 25 [7.62] 50 [15.24] 65 [19.81] 50 [15.24] 35 [10.67] 20 [6.1]

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] 95 [28.96] 90 [27.43] 85 [25.91] 80 [24.38] 75 [22.86] 75 [22.86] 70 [21.34] 65 [19.81] 60 [18.29]

3/8 [9.53] 25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 100 [30.48] 100 [30.48] 100 [30.48] 100 [30.48] 95 [28.96] 95 [28.96] 95 [28.96] 90 [27.43]

7/16 [11.12] 25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 105 [32] 105 [32] 105 [32] 105 [32] 105 [32] 105 [32] 100 [30.48] 100 [30.48]

1/2 [12.71] 25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 105 [32] 105 [32] 105 [32] 105 [32] 105 [32] 105 [32] 105 [32] 105 [32]

24 3/8" [9.53]

1/4 [6.35] 25 [7.62] 50 [15.24] 30 [9.14]

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] 80 [24.38] 75 [22.86] 70 [21.34] 60 [18.29] 55 [16.76] 50 [15.24] 40 [12.19] 35 [10.67] 30 [9.14]

3/8 [9.53] 25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 95 [28.96] 95 [28.96] 90 [27.43] 90 [27.43] 85 [25.91] 85 [25.91] 80 [24.38] 80 [24.38]

7/16 [11.12] 25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 100 [30.48] 100 [30.48] 100 [30.48] 100 [30.48] 100 [30.48] 95 [28.96] 95 [28.96] 95 [28.96]

1/2 [12.71] 25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 105 [32] 105 [32] 105 [32] 105 [32] 105 [32] 100 [30.48] 100 [30.48] 100 [30.48]

30 3/8" [9.53]

1/4 [6.35] 25 [7.62] 25 [7.62]

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] 75 [22.86] 65 [19.81] 55 [16.76] 45 [13.72] 35 [10.67] 25 [7.62] 15 [4.57] 5 [1.52]

N/R N/R

3/8 [9.53] 25 [7.62] 50 [15.24] 75 [22.86] 90 [27.43] 90 [27.43] 85 [25.91] 80 [24.38] 80 [24.38] 75 [22.86] 70 [21.34] 70 [21.34] 65 [19.81]

7/16 [11.12] 25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 100 [30.48] 95 [28.96] 95 [28.96] 95 [28.96] 95 [28.96] 90 [27.43] 90 [27.43] 90 [27.43]

1/2 [12.71] 25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 100 [30.48] 100 [30.48] 100 [30.48] 100 [30.48] 100 [30.48] 100 [30.48] 100 [30.48] 95 [28.96]

36 3/8" [9.53]

1/4 [6.35] 25 [7.62] 10 [3.05]

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] 65 [19.81] 55 [16.76] 45 [13.72] 30 [9.14] 20 [6.1] 10 [3.05]

N/R N/R N/R N/R

3/8 [9.53] 25 [7.62] 50 [15.24] 75 [22.86] 85 [25.91] 80 [24.38] 80 [24.38] 75 [22.86] 70 [21.34] 65 [19.81] 60 [18.29] 55 [16.76] 55 [16.76]

7/16 [11.12] 25 [7.62] 50 [15.24] 75 [22.86] 95 [28.96] 95 [28.96] 90 [27.43] 90 [27.43] 90 [27.43] 85 [25.91] 85 [25.91] 85 [25.91] 80 [24.38]

1/2 [12.71] 25 [7.62] 50 [15.24] 75 [22.86] 100 [30.48] 100 [30.48] 95 [28.96] 95 [28.96] 95 [28.96] 95 [28.96] 95 [28.96] 95 [28.96] 90 [27.43]

42 3/8" [9.53]

1/4 [6.35] 15 [4.57]

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] 35 [10.67] 15 [4.57]

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] 65 [19.81] 60 [18.29] 50 [15.24] 45 [13.72] 40 [12.19] 35 [10.67] 25 [7.62] 20 [6.1] 15 [4.57]

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] 70 [21.34] 65 [19.81] 65 [19.81] 60 [18.29] 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]

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] 40 [12.19] 20 [6.1]

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] 65 [19.81] 55 [16.76] 50 [15.24] 40 [12.19] 35 [10.67] 25 [7.62] 20 [6.1] 10 [3.05]

N/R N/R

7/16 [11.12] 25 [7.62] 50 [15.24] 75 [22.86] 75 [22.86] 70 [21.34] 65 [19.81] 65 [19.81] 60 [18.29] 55 [16.76] 55 [16.76] 50 [15.24] 50 [15.24]

1/2 [12.71] 25 [7.62] 50 [15.24] 75 [22.86] 80 [24.38] 80 [24.38] 75 [22.86] 75 [22.86] 75 [22.86] 70 [21.34] 70 [21.34] 70 [21.34] 65 [19.81]

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] 5 [1.52]

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] 45 [13.72] 35 [10.67] 25 [7.62] 15 [4.57]

N/R N/R N/R N/R N/R N/R N/R

7/16 [11.12] 25 [7.62] 50 [15.24] 55 [16.76] 50 [15.24] 45 [13.72] 40 [12.19] 35 [10.67] 30 [9.14] 30 [9.14] 25 [7.62] 20 [6.1] 15 [4.57]

1/2 [12.71] 25 [7.62] 50 [15.24] 60 [18.29] 60 [18.29] 55 [16.76] 55 [16.76] 55 [16.76] 50 [15.24] 50 [15.24] 45 [13.72] 45 [13.72] 40 [12.19]

Refrigerant Line Size Information

NOTES: [ ] Designates Metric Conversions

N/R = Application not recommended.

Grey =This application is acceptable, but the long line guidelines must be followed. Reference Long Line Set section in the I&O

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Rheem (RA14) Specifications Sheet Page 13

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