 |
Performance Adjustment Factors |
GLYCOL AND PERFORMANCE ADJUSTMENT FACTORS
Table 16-1 — Glycol Adjustment Factor for CGA
— 10 and 15 Ton Units Only
| Leaving Solution Temp. |
0 % |
10 % |
20 % |
30 % |
40 % |
50 % |
| Freezing Point =
32º F |
Freezing Point =
25º F |
Freezing Point =
16ºF |
Freezing Point =
4º F |
Freezing Point =
-11ºF |
Freezing Point =
- 32º F |
| CAP |
GPM |
KW |
CAP |
GPM |
KW |
CAP |
GPM |
KW |
CAP |
GPM |
KW |
CAP |
GPM |
KW |
CAP |
GPM |
KW |
| 20°F |
1.06 |
0.97 |
1.04 |
1.01 |
0.97 |
1.01 |
1.01 |
0.98 |
1.01 |
1.00 |
1.00 |
1.00 |
0.99 |
1.05 |
1.00 |
0.98 |
1.10 |
0.99 |
| 30°F |
1.04 |
0.98 |
1.02 |
1.01 |
0.99 |
1.00 |
1.00 |
1.00 |
1.00 |
0.99 |
1.02 |
0.99 |
0.98 |
1.07 |
0.99 |
0.97 |
1.12 |
0.98 |
| 35°F |
1.03 |
0.98 |
1.01 |
1.00 |
0.99 |
1.00 |
1.00 |
1.01 |
0.99 |
0.99 |
1.03 |
0.99 |
0.98 |
1.07 |
0.98 |
0.97 |
1.12 |
0.98 |
| 40°F |
1.00 |
1.00 |
1.00 |
0.98 |
1.00 |
0.99 |
0.98 |
1.03 |
0.98 |
0.97 |
1.06 |
0.98 |
0.96 |
1.11 |
0.98 |
0.95 |
1.15 |
0.97 |
| 45°F |
1.00 |
1.00 |
1.00 |
0.99 |
1.01 |
0.99 |
0.98 |
1.03 |
0.99 |
0.98 |
1.07 |
0.98 |
0.97 |
1.11 |
0.98 |
0.96 |
1.16 |
0.97 |
| 50°F |
1.00 |
1.00 |
1.00 |
0.99 |
1.01 |
0.99 |
0.99 |
1.04 |
0.99 |
0.98 |
1.07 |
0.98 |
0.97 |
1.11 |
0.98 |
0.96 |
1.16 |
0.97 |
| 60°F |
1.00 |
1.00 |
1.00 |
1.00 |
1.02 |
1.00 |
0.99 |
1.04 |
1.00 |
0.98 |
1.07 |
0.99 |
0.98 |
1.11 |
0.99 |
0.97 |
1.16 |
0.98 |
| Leaving Solution Temp. |
0 % |
10 % |
20 % |
30 % |
40 % |
50 % |
| Freezing Point =
32º F |
Freezing Point =
24º F |
Freezing Point =
15ºF |
Freezing
Point=54º F |
Freezing
Point=-12ºF |
Freezing Point=
-33º F |
| CAP |
GPM |
KW |
CAP |
GPM |
KW |
CAP |
GPM |
KW |
CAP |
GPM |
KW |
CAP |
GPM |
KW |
CAP |
GPM |
KW |
| 20°F |
— |
— |
— |
— |
— |
— |
— |
— |
— |
.998 |
1.008 |
1.000 |
.985 |
1.050 |
.997 |
.971 |
1.098 |
.995 |
| 25°F |
— |
— |
— |
— |
— |
— |
— |
— |
— |
.993 |
1.022 |
.999 |
.981 |
1.064 |
.996 |
.968 |
1.111 |
.994 |
| 30°F |
— |
— |
— |
— |
— |
— |
.999 |
1.003 |
1.000 |
.989 |
1.037 |
.998 |
.977 |
1.078 |
.995 |
.964 |
1.125 |
.993 |
| 35°F |
— |
— |
— |
— |
— |
— |
.995 |
1.016 |
.999 |
.985 |
1.049 |
1.009 |
.973 |
1.090 |
.994 |
.962 |
1.137 |
.992 |
| 40°F |
1.000 |
1.000 |
1.000 |
.956 |
.974 |
.984 |
.949 |
1.000 |
.984 |
.943 |
1.034 |
.984 |
.937 |
1.077 |
.984 |
.930 |
1.124 |
.979 |
| 45°F |
1.000 |
1.000 |
1.000 |
.965 |
.981 |
.990 |
.959 |
1.005 |
.990 |
.953 |
1.039 |
.985 |
.947 |
1.080 |
.985 |
.936 |
1.129 |
.979 |
| 50°F |
1.000 |
1.000 |
1.000 |
.962 |
.982 |
.990 |
.957 |
1.007 |
.990 |
.951 |
1.038 |
.990 |
.946 |
1.079 |
.990 |
.935 |
1.124 |
.985 |
Notes:
1. Use this table with the capacity table to correct performance for
ethylene glycol concentrations other than those listed.
2. Flow rate (GPM) correction factor required to maintain a 10°F
delta T.
3. Shaded area may result in freezing. |