6-3
AIRFLOW CURVES
SM DNGRPM 1-E.4 GB
6.5 Model: DNG 44
6.6 DNG UNITS RANGE AIR FLOW CORRECTION FACTORS
(at nominal rating conditions).
Operating range
Low Speed Medium Speed High Speed
Air Flow Rate [% of nominal]
60% 70% 80% 90% 100%
Cooling
TC
0.88 0.91 0.94 0.97 1.00
SC 0.78 0.84 0.89 0.95 1.00
PI 0.95 0.97 0.98 0.99 1.00
Heating
PI 1.07 1.05 1.03 1.02 1.00
TC 0.90 0.92 0.95 0.97 1.00
* Permissible Air flow Rate - according to model Air Flow Curves
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