General data – Trane CG-PRC007-EN User Manual
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CG-PRC007-EN
16
General Data
Table GD-1 — General Data — 10–60 Ton Units
10 Ton
15 Ton
20 Ton
25 Ton
30 Ton
40 Ton
50 Ton
60 Ton
Model Number
CGA120
CGA180
CGAF-C20
CGAF-C25
CGAF-C30
CGAF-C40
CGAF-C50
CGAF-C60
Compressor Data
Model
Scroll
Scroll
Scroll
Scroll
Scroll
Scroll
Scroll
Scroll
Quantity
2
2
2
1/1
2
4
2/2
4
Nominal Tons per Compressor
5
7.5
10
10/15
15
10
10/15
15
Evaporator
Nominal Size (Tons)
10
15
20
25
30
40
50
60
Water Storage Capacity (Gallons)
²
1.4
1.5
2.2
2.7
3.2
4.1
5.0
7.4
Min. Flow Rate (GPM)
12.0
18.0
24
30
36
48
60
72
Max. Flow Rate (GPM)
36.0
54.0
72
90
108
144
180
216
Max EWT At Start-Up — Deg F
³
100
100
108
108
108
108
108
108
Condenser
Nominal Size (Tons)
10
15
20
25
30
40
50
60
Number of Coils
1
2
1
2
2
2
2
2
Coil Size (ea., Inches)
4
28 x 108
28 x 83
61 x 71
45 x 71/35 x 71
56 x 70
56 x 70
57 x 96
57 x 96
Number of Rows
2
2
3
3
3
3
3
4
Subcooler Size (ea., Inches)
4 x 108
4 x 83
10 x 71
14 x 71
9 x 70
9 x 70
9 x 96
9 x 96
Condenser Fans
Quantity
1
2
2
3
4
4
6
6
Diameter (Inches)
28
26
26
26
26
26
26
26
CFM (Total)
8,120
11,600
15,000
21,650
29,200
29,200
42,300
40,700
Nominal RPM
1100
1100
1140
1140
1140
1140
1140
1140
Tip Speed (Ft/Min)
8060
7490
7750
7750
7750
7750
7750
7750
Motor HP (ea.)
1.0
1/2
1.0
1.0
1.0
1.0
1.0
1.0
Drive Type
Direct
Direct
Direct
Direct
Direct
Direct
Direct
Direct
Minimum Outdoor Air Temperature Permissible
For Mechanical Cooling¹
Standard Ambient Control Unit (°F)
50
50
30
30
30
30
30
30
Standard Ambient w/Hot Gas Bypass (°F)
60
60
40
40
40
40
40
40
Low Ambient Option (°F)
0
0
0
0
0
0
0
0
Low Ambient Control w/Hot Gas Bypass(°F)
15
15
10
10
10
10
10
10
General Unit
Unload Steps
100-50
100-50
100-50
100-60-40
100-50
100-75-50-25 100-80-60-30100-75-50-25
No. of Independent Refrig. Circuits
2
2
1
1
1
2
2
2
Refrigerant Charge (lbs. R22/Circuit)
8.25
11.5
40.5
54.0
72.0
38.0
49.0
75.00
Oil Charge (Pints/Circuit)
4.1
7.5
17.0
22.3
27.6
17.0
22.3
27.6
*Unloading steps depend upon which compressor is lead compressor.
Notes:
1. Minimum start-up ambient based on unit at minimum step of unloading and a 5 mph wind across the condenser.
2. Includes piping internal to chiller.
3. At 95°F ambient.
4. Does not include subcooling portion of coil.