Testing Facility Capabilities
Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating
Small Chamber |
Large Chamber |
|
Figure 12 Max Outlet Area - Perpendicular Rotation |
0.252 m² (2.715 ft²) |
2.20 m² (23.67 ft²) |
Figure 12 Max Outlet Area - Parallel Rotation (Vane Axial Fans Only) |
0.142 m² (1.527 ft²) |
1.24 m² (13.34 ft²) |
Figure 12 Max Outlet Area - Parallel Rotation |
0.091 m² (0.977 ft²) |
0.794 m² (8.54 ft²) |
Figure 15 Max Inlet Area - Any Rotation |
0.454 m² (4.886 ft²) |
4.89 m² (52.62 ft²) |
Max Airflow at 0 in. wg |
4.54 m³/s (9,620 cfm) |
39.5 m³/s (83,500 cfm) - Fig 12 48.1 m3/s (102,000 cfm) - Fig 15 |
Max Static Pressure |
2500 Pa (10 in wg.) |
8000 Pa (32 in wg.) |
Max Brake Horsepower |
11kW (15HP) @ 2900 RPM 37 kW (50HP) @ 1500 RPM |
11kW (15HP) @ 2900 RPM 37 kW (50HP) @ 1500 RPM |
Max Dynamometer Speed |
1500 RPM @ 37kW (50HP) 2900 RPM @ All others |
1500 RPM @ 37kW (50HP) 2900 RPM @ All others |
Electric Motor (50 Hz) |
65 Amps, 440 Volts |
65 Amps, 440 Volts |
Reverberant Room Method for Sound Testing of Fans
Reverb Room |
|
Max Volume of Test Unit with Ductwork |
14.4 m³ (509 ft³) |
Frequency |
63 |
125 |
250 |
500 |
1000 |
2000 |
4000 |
8000 |
LwA |
Approx Min Fan Lw Reverb Room (dB) |
66 |
53 |
47 |
41 |
34 |
27 |
32 |
33 |
46 |
ANSI/AMCA Standard 500-D-18 | Laboratory Methods of Testing Dampers for Rating
Small Chamber |
Large Chamber |
|
Duct Sizes Round (mm) |
305, 610 |
914 |
Duct Sizes Rectangle (mm) |
305x305, 610x610 |
914x914, 305x1220 |
Figure 5.3 Max Free Area |
0.372 m² (4 ft²) |
0.837 m² (9 ft²) |
Figure 5.4 Max Free Area |
0.151 m² (1.63 ft²) |
1.323 m² (14.23 ft²) |
Figure 5.5 Max Free Area |
0.757 m² (8.14 ft²) |
8.15 m² (87.70 ft²) |
Air Movement and Control Association International, Inc.