Emerson Liebert DS Series User Manual page 97

Table 51 Interconnecting piping refrigerant charge
R-22, lb/100 ft. (kg/30m)
Line Size,
O.D., in. Liquid Line
1/2 7.3 (3.3)
5/8 11.7 (5.3)
3/4 16.6 (7.5)
7/8 24.4 (11.1)
1-1/8 41.4 (18.9)
1-3/8 63.3 (28.7)
Table 52 R-22 and R-407C refrigerant required, approximate
Approximate R-22 Refrigerant Needed Approximate R-407C Refrigerant Needed
lb/circuit (kg/circuit)
Standard
Condenser FSC or
Models VFD
165 5 (2.3)
205 7 (3.2)
251 10 (4.6)
308 11 (5.0)
415 25 (11.3)
510 30 (13.6)
Quiet-Line Condenser Models
143 N/A
214 N/A
286 N/A
409 N/A
572 N/A
Hot Gas Line
—
2.1 (1.0)
3.0 (1.4)
4.4 (2.0)
7.8 (3.5)
11.8 (5.4)
Dual Circuit
Lee-Temp
(includes
receiver)
27 (12.3)
56 (25.3)
38 (17.2)
58 (26.3)
107 (48.4)
149 (67.6)
64 (29.0)
81 (36.7)
125 (56.7)
129 (58.5)
196 (88.9)
87
R-407C, lb/100 ft. (kg/30m)
Liquid Line Hot Gas Line
6.9 (3.1) —
11.0 (5.0 2.2 (1.0)
15.7 (7.1) 3.1 (1.3)
23.0 (10.4) 4.5 (1.9)
39.3 (17.8) 7.8 (3.5)
59.8 (27.1 11.8 (5.4)
Dual Circuit
lb/circuit (kg/circuit)
FSC or
VFD
5 (2.3)
7 (3.2)
10 (4.6)
11 (5.0)
24 (10.9)
29 (13.2)
N/A
N/A
N/A
N/A
N/A
Piping
Lee-Temp
(includes
receiver)
26 (11.8)
54 (24.4)
36 (16.3)
55 (24.9)
102 (46.2)
142 (64.4)
61 (27.7)
77 (34.9)
119 (54.0)
125 (55.8)
186 (84.4)