Laboratory Evaluation of the OASys Indirect/Direct Evaporative
Laboratory Evaluation of the OASys Indirect/Direct Evaporative
Laboratory Evaluation of the OASys Indirect/Direct Evaporative
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Appendix – Figures<br />
CA T20 ECER (Btu/Wh)<br />
Water Consumption (GPH)<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
High<br />
Medium<br />
Low<br />
Figure 18: CA T20 ECER versus Supply Airflow<br />
10<br />
0 200 400 600 800 1,000 1,200 1,400 1,600<br />
4.0<br />
3.8<br />
3.6<br />
3.4<br />
3.2<br />
3.0<br />
2.8<br />
2.6<br />
2.4<br />
2.2<br />
Large Symbols have <strong>the</strong> Required<br />
0.3" <strong>of</strong> water Resistance<br />
High<br />
Medium<br />
Low<br />
491-06.12.doc A-4<br />
Supply Airflow (CFM)<br />
Intake Air at<br />
91°Fdb / 69°Fwb<br />
Figure 19: Water Consumption Rate versus Supply Airflow<br />
Exhaust Damper Open<br />
Exhaust Damper Closed<br />
2.0<br />
0 200 400 600 800 1,000 1,200 1,400 1,600<br />
Supply Airflow (CFM)<br />
Intake Air at<br />
91°Fdb / 69°Fwb<br />
Exhaust Damper Open<br />
Exhaust Damper Closed
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