 |
General Data |
Table 9-1 - General Data - 10 -60 Ton Units
| |
10 Ton |
15 Ton |
20 Ton |
25 Ton |
30 Ton |
40 Ton |
50 Ton |
60 Ton |
| Model Number |
CGA 120 |
CGA 180 |
CGAF-C20 |
CGAF-C25 |
CGAF-C30 |
CGAF-C40 |
CGAF-C50 |
CGAF-C60 |
| Compressor
Data |
|
|
|
|
|
|
|
|
| Model |
Climatuff |
TraneH |
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)3 |
1.4 |
1.5 |
11.7 |
10.7 |
16.3 |
13.8 |
21.0 |
37.8 |
| 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 F3 |
100 |
100 |
108 |
108 |
108 |
108 |
108 |
108 |
| Condensor |
|
|
|
|
|
|
|
|
| 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) |
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 |
| Condensor
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 |
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 |
45 |
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/HotGas 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 |
100-80-60-30 |
100-75-50-50-25 |
| No. of Independent
Refrig. Circuits |
2 |
2 |
1 |
1 |
1 |
2 |
2 |
2 |
| Refreigerant Charge
(lbs. R22/Circuit) |
9.5 |
12.4 |
40.5 |
54.0 |
72.0 |
38.0 |
47.0 |
67.0 |
| Oil Charge
(Pints/Circuit) |
4.2 |
7.5 |
8.0 |
8.0/14.0 |
14.0 |
8.0 |
8.0/14.0 |
14.0 |
*Unloading steps depend upon which compressor is lead
compressor.
Notes:
(1) Minimum start-up ambient based on unit a minimum step of
unloading and a 5 mph wind across the condensor.
(2) Includes piping internal to chiller.
(3) At 95°F ambient.
(4) Does not include subcooling portion of coil. |
