Emerson 3000 User Manual
Air-Cooled Models—Self-Contained Compressor
27
Liebert
®
Challenger 3000
™
Table 5
Recommended line sizes — OD copper, inches *
Equivalent Length
3.5-ton 042A (040A)
5-ton 067A (065A)
Hot Gas Line
Liquid Line
Hot Gas Line
Liquid Line
50 ft. (15 m)
5/8
1/2
7/8
1/2
100 ft. (30 m)
3/4
1/2
7/8
5/8
150 ft. (45 m)
3/4
5/8
7/8
5/8
*Recommended vertical line sizes must be used for proper oil return at all cooling and dehumidification steps.
Table 6
Equivalent lengths (feet) for various pipe fittings
Copper Pipe
O.D. in.
90 Degree
Elbow Copper
90 Degree
Elbow Cast
45 Degree
Elbow
Tee
Gate
Valve
Globe
Valve
Angle
Valve
1/2
0.8
1.3
0.4
2.5
0.26
7.0
4.0
5/8
0.9
1.4
0.5
2.5
0.28
9.5
5.0
3/4
1.0
1.5
0.6
2.5
0.3
12.0
6.5
7/8
1.45
1.8
0.8
3.6
0.36
17.2
9.5
1-1/8
1.85
2.2
1.0
4.6
0.48
22.5
12.0
1-3/8
2.4
2.9
1.3
6.4
0.65
32.0
16.0
1-5/8
2.9
3.5
1.6
7.2
0.72
36.0
19.5
Refrigerant trap = 4 times equivalent length of pipe per this table.
Table 7
Indoor unit refrigerant charge
Model
R407C
Approximate Charge
lb (kg)
42A/40A
0.9 (0.4)
67A/65A
1.4 (0.6)
Table 8
Line charges - refrigerant per 100 ft. (30 m) of Type “L” copper tube
O.D.
R407C
Liquid Line
lb (kg)
Hot Gas Line
lb (kg)
1/2"
7.3 (3.3)
1.3 (0.6)
5/8"
11.7 (5.3)
2.1 (1.0)
3/4"
16.6 (7.5)
3.0 (1.4)
7/8"
24.4 (11.1)
4.4 (2.0)
Table 9
Condenser refrigerant (per serial tag)
Model
R407C
Approximate Charge
lb (kg)
Fan Speed
Liebert
Lee-Temp
™
*
083
5 (2.3)
26 (11.8)
104
8 (3.6)
37 (16.8)
165
15 (6.8)
50 (22.7)
* Charge includes the receiver charge.