Emerson Liebert DS Series - Page 97

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