Qei-18 Class Ii - Greenheck QEI-L Manual

QEI-18 Class II

Performance Data
Maximum Fan RPM
Specification Data
Maximum Motor
Frame Size
Minimum Motor
Starting hp
Wheel Diameter 22.25 in.
Approximate Weight
310 lbs.
(Less Motor & Drives)
Maximum Bhp = (Fan RPM / 1219)
Outlet Velocity (FPM) = CFM / 3.45
Tip Speed (FPM) = Fan RPM x 5.83
% WOV = (CFM x 100) / (Fan RPM x 3.80)
Imperial data — Metric data
Performance Data
CFM OV 0.5
RPM BHP RPM
3800 1101 1124 0.64 1239
4200 1217 1219 0.79 1326
4600 1333 1315 0.96 1414
1413 1.16 1503
5000 1449
5400 1565 1511 1.40 1595
5800 1681 1611 1.66 1690
6200 1797 1711 1.96 1786
6600 1913 1812 2.29 1883
7000 2028 1913 2.66 1981
2015 3.07 2079
7400 2144
7800 2260 2117 3.53 2178
8200 2376 2219 4.03 2277
Shaded values show where Class I fan selections are more efficient than Class II.
Inlet Sound Power, L
RPM % WOV 1 2
100 66 75
80 63 71
800
60 62 69
50 77 73
100 70 78
80 62 73
1100
60 63 72
50 66 72
100 78 79
80 71 76
1600
60 73 76
50 77 77
100 81 84
80 75 78
2200
60 79 81
50 83 83
100 85 88
80 80 83
2777
60 84 86
50 87 89
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
2777
254T
1/3 hp .25 kW
565 mm
141 kg.
3
1 2
BHP RPM BHP RPM
0.97 1467 1.74 1690
1.14 1538 1.98 1738
1.34 1609 2.25 1787
1.56 1682 2.50
1858
1.82 1758 2.77 1929
2.11 1844 3.11 2001
2.44 1932 3.48 2075
2.81 2020 3.89 2150
3.21 2110 4.34 2236
3.66 2200 4.83 2323
4.16 2295 5.38 2411
4.70 2390 5.98 2500
[dB ref 10 watts]
-12
Wi
3 4 5 6 7 8 L
Wi
67 66 63 65 51 43 70
64 63 62 62 51 41 67
63 61 62 63 53 42 67
69 65 62 62 50 41 68
72 72 68 72 60 51 76
68 67 66 66 57 48 71
66 66 65 66 57 49 71
67 65 64 65 56 49 70
82 80 78 76 80 64 85
77 75 74 73 67 60 79
74 73 72 72 67 61 77
76 73 72 71 66 61 77
89 88 87 84 87 78 93
83 83 82 80 76 69 87
84 81 79 78 75 71 85
84 81 78 77 74 70 85
89 93 93 90 91 87 98
85 89 90 87 82 76 93
85 88 87 85 80 76 91
89 88 86 84 80 76 91
-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
2.65 1900 3.67
2.88 1934 3.94 2120 5.09
3.15 1977 4.24 2154 5.42
3.50 2024 4.56 2193 5.78
3.89 2079 4.94 2241 6.18
4.29 2150 5.42 2289 6.60
4.66 2221 5.94 2354 7.14
5.07 2293 6.50 2424 7.76
5.57 2366 6.98 2495 8.42
6.12
2440 7.49 2568 9.11
6.70 2521 8.10 2641 9.71
7.34 2608 8.78 2715 10.4
Outlet Sound Power, L
A RPM % WOV
100
80
800
60
50
100
80
1100
60
50
100
80
1600
60
50
100
80
2200
60
50
100
80
2777
60
50
6 7
RPM BHP RPM BHP
2290 6.31
2323 6.69 2478 8.02
2356 7.09 2511 8.47
2394 7.51 2545 8.93
2441 7.98 2582 9.42
2489 8.48 2629 9.97
2544 9.06 2676 10.5
2615 9.77 2726 11.2
2686 10.5
2757 11.3
[dB ref 10 watts]
-12
Wo
1 2 3 4 5 6 7
73 79 66 69 68 66 54
70 76 63 67 66 63 53
70 74 63 65 66 63 53
70 75 63 65 65 62 53
78 83 74 76 74 72 63
73 77 69 73 72 68 60
75 75 68 71 71 68 60
77 77 70 71 70 68 60
87 86 83 85 84 78 79
84 80 77 81 80 75 70
85 80 77 79 78 74 70
86 82 78 79 77 74 69
89 89 91 92 91 86 86
85 86 85 88 89 83 79
89 88 86 86 87 82 78
91 89 88 87 86 81 77
93 94 93 96 97 93 91
88 91 89 92 94 90 86
94 94 92 89 92 88 84
96 95 92 91 92 88 84
, L
Wi Wi
8
RPM BHP
2656 9.91
2689 10.4
2723 10.9
2760 11.5
8 L A
Wo
45 72
46 70
46 70
47 69
53 79
50 76
52 74
53 75
64 88
61 84
62 82
62 82
80 96
73 92
73 90
73 90
88 101
79 97
79 95
79 96
A and outlet L ,
Wo
27