Line Size, O.D., in.
R-407C, lb/100 ft. (kg/30m)
Liquid Line
Suction Line
3/8 3.7 (1.7)
—
1/2 6.9 (3.1)
—
5/8 11.0 (5.0 0.4 (0.2)
3/4 15.7 (7.1) 0.6 (0.3)
7/8 23.0 (10.4) 1.0 (0.4)
1-1/8
—
1.7 (0.7)
1-3/8
—
2.7 (1.1)
Table 10.4 Line charges - refrigerant
per 100 ft. (30m) of Type L copper tube
Line Size, in. Length, ft. (m) Charge R-407C, oz (kg)
3/8 liquid
15 (4.5) 5 (0.14)
30 (9) 10 (0.28)
5/8 or 7/8 suction
15 (4.5) 5 (0.14)
30 (9) 10 (0.28)
Table 10.5 Refrigerant charge in Liebert pre-
charged R-407C line sets
Copper Pipe OD,
in.
90 Degree Elbow
Copper
90 Degree Elbow
Cast
45 Degree
Elbow
Tee
Gate
Valve
Globe
Valve
Angle
Valve
1/2 0.8 (0.24) 1.3 (0.39) 0.4 (0.12)
2.5
(0.76)
0.26 (0.07) 7.0 (2.13) 4.0 (1.21)
5/8 0.9 (0.27) 1.4 (0.42) 0.5 (0.15)
2.5
(0.76)
0.28 (0.08) 9.5 (2.89) 5.0 (1.52)
3/4 1.0 (0.3) 1.5 (0.45) 0.6 (0.18)
2.5
(0.76)
0.3 (0.09) 12.0 (3.65) 6.5 (1.98)
7/8 1.45 (0.44) 1.8 (0.54) 0.8 (0.24)
3.6
(1.09)
0.36 (0.1) 17.2 (5.24) 9.5 (2.89)
1-1/8 1.85 (0.56) 2.2 (0.67) 1.0 (0.3) 4.6 (1.4) 0.48 (0.14) 22.5 (6.85) 12.0 (3.65)
1-3/8 2.4 (0.73) 2.9 (0.88) 1.3 (0.39)
6.4
(1.95)
0.65 (0.19) 32.0 (9.75) 16.0 (4.87)
1-5/8 2.9 (0.88) 3.5 (1.06) 1.6 (0.48)
7.2
(2.19)
0.72 (0.21) 36.0 (10.97) 19.5 (5.94)
Refrigerant trap = Four times equivalent length of pipe per this table.
Table 10.6 Equivalent lengths for various pipe fittings, ft (m)
Vertiv | Liebert Mini-Mate2—2 and 3 ton Technical Data Manual | 60
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