Greenheck AX 103-400 User Manual
AX 103-275 6 Blades
Total
Pressure
96
95
Impeller Diameter = 40.38 inches 1026 mm
Outlet Velocity Ft/Min = Volume / 8.89
M/S = Volume / 0.83
Tip Speed Ft/Min = RPM X 10.6
M/S = RPM X 3.22
97
96
91
96
91
92
94
Air density = 1.2 kg/m
Air density = 0.075 lbs/ft
Peak Absorbed Power [bHP/kw (60 Hz), kw (50 Hz)]
RPM 5 10 15 20 25 30 35
1770 (bHP/kw) 5.61/4.18 9.93/7.40 14.9/11.1 20.6/15.3 27.2/20.3 35.2/26.2 45.2/33.8
1170 (bHP/kw) 1.62/1.21 2.87/2.14 4.30/3.21 5.94/4.43 7.84/5.85 10.2/7.58 13.1/9.75
1450 (kw) 2.30 4.07 6.11 8.43 11.1 14.4 18.6
950 (kw) 0.65 1.14 1.72 2.37 3.13 4.06 5.22
3
3
Pitch Angle º
Volume
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Inlet Sound
RPM LwA dBA
1770 +11 -0.5
1170 - -11.5
1450 +5 -6.5
950 -5 -16.5
Performance shown is for installation type B; free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances in the airstream. The
AMCA Certified Ratings Seal applies to air performance ratings only.
Sound power level ratings are shown in decibels, referred to 10-12 watts calculated per AMCA Standard 301. Values shown are for inlet LwA sound power
levels for 100%, 50% and 0% of peak pressure in Installation Type B: free inlet, ducted outlet. dBA sound pressure values are weighted with 11.5 dB
attenuation for each octave band at 5 feet.
42
Total
Pressure
AX 103-275 9 Blades
Impeller Diameter = 40.38 inches 1026 mm
Outlet Velocity Ft/Min = Volume / 8.89
M/S = Volume / 0.83
Tip Speed Ft/Min = RPM X 10.6
M/S = RPM X 3.22
99
98
94
97
Air density = 1.2 kg/m
Air density = 0.075 lbs/ft
3
97
96
94
93
96
3
Volume
Peak Absorbed Power [bHP/kw (60 Hz), kw (50 Hz)]
Pitch Angle º
RPM 5 10 15 20 25 30 35
1770 (bHP/kw) 8.58/6.40 13.8/10.3 20.0/14.9 27.3/20.3 36.1/26.9 46.8/34.9 59.8/44.6
1170 (bHP/kw) 2.48/1.85 3.99/2.98 5.77/4.30 7.87/5.87 10.4/7.77 13.5/10.1 17.3/12.9
1450 (kw) 3.52 5.67 8.19 11.2 14.8 19.2 24.5
950 (kw) 0.99 1.59 2.30 3.14 4.16 5.40 6.90
Performance shown is for installation type B; free inlet, ducted outlet. Performance ratings do not include the effects of appurtenances in the airstream. The
AMCA Certified Ratings Seal applies to air performance ratings only.
Sound power level ratings are shown in decibels, referred to 10-12 watts calculated per AMCA Standard 301. Values shown are for inlet LwA sound power
levels for 100%, 50% and 0% of peak pressure in Installation Type B: free inlet, ducted outlet. dBA sound pressure values are weighted with 11.5 dB
attenuation for each octave band at 5 feet.
Sound Power A-Weighted [LwA]
Sound Pressure [dBA]
Inlet Sound
RPM LwA dBA
1770 +10 -1.5
1170 - -11.5
1450 +4 -7.5
950 -6 -17.5
43
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