Qei-20 Class Ii - Greenheck QEI-L Manual

QEI-20 Class II

Performance Data
Maximum Fan RPM
Specification Data
Maximum Motor
Frame Size
Minimum Motor
Starting hp
Wheel Diameter
Approximate Weight
360 lbs.
(Less Motor & Drives)
Maximum Bhp = (Fan RPM / 1038)
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
Performance Data
CFM OV 0.5
RPM BHP RPM
4500 1076 1002 0.74 1110
5000 1196 1090 0.92 1189
5500 1315 1181 1.13 1271
1272 1.38 1355
6000 1435
6500 1555 1364 1.66 1440
7000 1674 1457 1.99 1529
7500 1794 1551 2.36 1619
8000 1913 1645 2.77 1710
8500 2033 1740 3.24 1801
1835 3.75 1893
9000 2153
9500 2272 1930 4.33 1986
10000 2392 2026 4.96 2079
Shaded values show where Class I fan selections are more efficient than Class II.
Inlet Sound Power, L
RPM % WOV 1 2
100 68 74
80 65 70
700
60 64 68
50 76 72
100 72 80
80 64 75
1000
60 65 74
50 68 74
100 79 80
80 73 77
1450
60 75 77
50 78 78
100 82 86
80 76 80
2000
60 81 83
50 84 84
100 88 89
80 82 85
2517
60 86 87
50 89 90
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
L 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
Wo
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 A and L
Wi Wo
2517
254T
1/3 hp .25 kW
24.5 in. 622 mm
163 kg.
3
1 2
BHP RPM BHP RPM
1.14 1319 2.05 1526
1.34 1384 2.34 1570
1.58 1451 2.67 1615
1.86 1519 2.99
1679
2.18 1589 3.32 1745
2.54 1670 3.74 1813
2.95 1751 4.20 1882
3.40 1834 4.72 1953
3.91 1918 5.28 2033
4.48 2003 5.90 2115
5.10 2092 6.59 2197
5.78 2181 7.34 2280
[dB ref 10 watts]
-12
Wi
3 4 5 6 7 8 L
Wi
67 66 64 62 49 42 69
64 63 62 60 49 39 66
62 61 62 61 51 40 66
68 65 62 60 48 40 68
73 72 70 71 60 51 76
69 68 67 65 56 48 72
67 67 66 65 57 49 71
68 66 65 65 56 49 71
82 81 79 77 79 63 85
77 76 75 73 67 59 79
75 73 72 72 67 61 78
77 74 72 71 67 61 78
91 89 87 85 87 78 93
85 84 83 80 76 69 87
85 81 80 78 75 71 86
85 82 79 78 75 71 85
90 94 94 90 92 87 99
86 90 91 87 82 76 94
85 89 87 85 80 76 92
90 89 87 85 80 77 92
-12 watts, calculated per AMCA Standard 301. Values shown are for inlet L
A values only.
STATIC PRESSURE (inches wg)
3 4 5
BHP RPM BHP RPM BHP
3.15 1719 4.38
3.44 1750 4.71 1920 6.10
3.75 1788 5.08 1951 6.51
4.19 1833 5.48 1986 6.95
4.67 1882 5.94 2031 7.44
5.18 1948 6.53 2075 7.96
5.64 2015 7.18 2135 8.64
6.14 2082 7.88 2201 9.40
6.77 2151 8.48 2268 10.2
7.45
2220 9.12 2336 11.1
8.20 2297 9.89 2404 11.8
9.00 2378 10.7 2474 12.6
Outlet Sound Power, L
A RPM % WOV
100
80
700
60
50
100
80
1000
60
50
100
80
1450
60
50
100
80
2000
60
50
100
80
2517
60
50
6 7
RPM BHP RPM BHP
2105 8.04 2246 9.65
2136 8.53 2277 10.2
2170 9.05 2308 10.8
2214 9.64 2342 11.4
2258 10.3 2386 12.1
2310 11.0 2430 12.8
2376 11.9 2477 13.5
2443 12.8
2510 13.8
[dB ref 10 watts]
-12
Wo
1 2 3 4 5 6 7
74 76 66 69 67 63 52
71 73 64 67 66 61 52
71 72 63 65 65 61 52
71 72 64 65 65 61 52
80 85 75 76 75 72 63
75 78 70 74 72 68 60
76 77 69 71 71 68 60
78 79 71 71 71 68 60
88 86 84 86 83 79 77
84 81 78 82 81 75 70
85 80 78 80 79 74 69
86 82 79 79 78 74 69
90 90 92 93 91 87 86
86 87 87 89 89 83 79
90 88 87 87 87 82 78
92 90 89 87 86 82 78
95 94 93 97 98 93 92
90 92 89 93 96 90 86
95 94 92 90 93 88 85
97 96 93 92 93 88 84
, L
Wi Wi
8
RPM BHP
2408 11.9
2439 12.6
2471 13.2
2505 13.9
8 L A
Wo
43 71
44 70
45 69
46 69
52 79
50 76
52 75
52 75
63 88
61 84
62 83
62 82
80 96
73 92
73 90
73 90
89 102
79 98
79 96
79 96
A and outlet L ,
Wo
29