Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L - Manual (Page 29)

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Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not
include the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to 10
-12 watts, calculated per AMCA Standard 301. Values shown are for inlet L
Wi
, L
Wi
A and outlet L
Wo
,
L
Wo
A sound power levels for installation type B: Free inlet, Ducted outlet. Ratings for inlet sound do not include the effects of duct end correction. Ratings for outlet
sound include the effects of duct end correction. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. The AMCA Certified
Ratings Seal applies to L
Wi
A and L
Wo
A values only.
Performance Data
Shaded values show where Class I fan selections are more efficient than Class II.
QEI-20 Class II
CFM OV
STATIC PRESSURE (inches wg)
0.5 1 2 3 4 5 6 7 8
RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
4500 1076 1002 0.74 1110 1.14 1319 2.05 1526 3.15 1719 4.38
5000 1196 1090 0.92 1189 1.34 1384 2.34 1570 3.44 1750 4.71 1920 6.10
5500 1315 1181 1.13 1271 1.58 1451 2.67 1615 3.75 1788 5.08 1951 6.51 2105 8.04 2246 9.65
6000 1435 1272 1.38 1355 1.86 1519 2.99 1679 4.19 1833 5.48 1986 6.95 2136 8.53 2277 10.2 2408 11.9
6500 1555 1364 1.66 1440 2.18 1589 3.32 1745 4.67 1882 5.94 2031 7.44 2170 9.05 2308 10.8 2439 12.6
7000 1674 1457 1.99 1529 2.54 1670 3.74 1813 5.18 1948 6.53 2075 7.96 2214 9.64 2342 11.4 2471 13.2
7500 1794 1551 2.36 1619 2.95 1751 4.20 1882 5.64 2015 7.18 2135 8.64 2258 10.3 2386 12.1 2505 13.9
8000 1913 1645 2.77 1710 3.40 1834 4.72 1953 6.14 2082 7.88 2201 9.40 2310 11.0 2430 12.8
8500 2033 1740 3.24 1801 3.91 1918 5.28 2033 6.77 2151 8.48 2268 10.2 2376 11.9 2477 13.5
9000 2153 1835 3.75 1893 4.48 2003 5.90 2115 7.45 2220 9.12 2336 11.1 2443 12.8
9500 2272 1930 4.33 1986 5.10 2092 6.59 2197 8.20 2297 9.89 2404 11.8 2510 13.8
10000 2392 2026 4.96 2079 5.78 2181 7.34 2280 9.00 2378 10.7 2474 12.6
Inlet Sound Power, L
Wi
[dB ref 10 -12 watts] Outlet Sound Power, L
Wo
[dB ref 10 -12 watts]
RPM % WOV 1 2 3 4 5 6 7 8 L
Wi
A RPM % WOV 1 2 3 4 5 6 7 8 L
Wo
A
700
100 68 74 67 66 64 62 49 42 69
700
100 74 76 66 69 67 63 52 43 71
80 65 70 64 63 62 60 49 39 66 80 71 73 64 67 66 61 52 44 70
60 64 68 62 61 62 61 51 40 66 60 71 72 63 65 65 61 52 45 69
50 76 72 68 65 62 60 48 40 68 50 71 72 64 65 65 61 52 46 69
1000
100 72 80 73 72 70 71 60 51 76
1000
100 80 85 75 76 75 72 63 52 79
80 64 75 69 68 67 65 56 48 72 80 75 78 70 74 72 68 60 50 76
60 65 74 67 67 66 65 57 49 71 60 76 77 69 71 71 68 60 52 75
50 68 74 68 66 65 65 56 49 71 50 78 79 71 71 71 68 60 52 75
1450
100 79 80 82 81 79 77 79 63 85
1450
100 88 86 84 86 83 79 77 63 88
80 73 77 77 76 75 73 67 59 79 80 84 81 78 82 81 75 70 61 84
60 75 77 75 73 72 72 67 61 78 60 85 80 78 80 79 74 69 62 83
50 78 78 77 74 72 71 67 61 78 50 86 82 79 79 78 74 69 62 82
2000
100 82 86 91 89 87 85 87 78 93
2000
100 90 90 92 93 91 87 86 80 96
80 76 80 85 84 83 80 76 69 87 80 86 87 87 89 89 83 79 73 92
60 81 83 85 81 80 78 75 71 86 60 90 88 87 87 87 82 78 73 90
50 84 84 85 82 79 78 75 71 85 50 92 90 89 87 86 82 78 73 90
2517
100 88 89 90 94 94 90 92 87 99
2517
100 95 94 93 97 98 93 92 89 102
80 82 85 86 90 91 87 82 76 94 80 90 92 89 93 96 90 86 79 98
60 86 87 85 89 87 85 80 76 92 60 95 94 92 90 93 88 85 79 96
50 89 90 90 89 87 85 80 77 92 50 97 96 93 92 93 88 84 79 96
Static Pr
essur
e (in. wg)
Static Pr
essur
e (Pa x 100)
Volume (cfm x 1000)
3 Volume (m /hr x 1000)
0 5 10 15 20
0
5
10
15
20
0 1 2 3 4 5 6 7 8 9 10 11 12 13
0
1
2
3
4
5
6
7
8
9
10
QEI-20II
RPM
BHP
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m 3
DO
NO
T S
EL
EC
T
TO
T
HE
L
EF
T
O
F
TH
IS
S
YS
TE
M
C
U
R
VE
1188
3
1497
1774
2030
50% WOV
60% WOV
70% WOV
80% WOV
90% WOV
5
2235
7½
10 15
2517
1½
Performance Data
Maximum Fan RPM 2517
Specification Data
Maximum Motor
Frame Size
254T
Minimum Motor
Starting hp
1/3 hp .25 kW
Wheel Diameter 24.5 in. 622 mm
Approximate Weight
(Less Motor & Drives)
360 lbs. 163 kg.
Maximum Bhp = (Fan RPM / 1038) 3
Outlet Velocity (FPM) = CFM / 4.14
Tip Speed (FPM) = Fan RPM x 6.41
% WOV = (CFM x 100) / (Fan RPM x 5.07)
Imperial data —
Metric data