Qei-24 class ii, Performance data, Qei-24ii – Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual
Page 33: Specification data
33
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-24 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
6800
1075
784
0.97
875
1.56
1051
2.96
1222
4.64
7500
1186
847
1.18
928
1.80
1090
3.25
1248
4.99
1405
6.94
8200
1297
911
1.43
987
2.08
1133
3.57
1281
5.36
1420
7.37
1568
9.57
8900
1408
976
1.71
1046
2.39
1184
3.96
1318
5.78
1453
7.85
1580
10.1
1717
12.5
9600
1518
1042
2.03
1107
2.74
1236
4.39
1360
6.25
1486
8.36
1607
10.7
1728
13.1
1854
15.7
10300
1629
1108
2.40
1169
3.15
1289
4.87
1405
6.76
1523
8.92
1641
11.3
1751
13.8
1865
16.5
1983
19.3
11000
1740
1176
2.81
1233
3.60
1345
5.39
1457
7.36
1566
9.54
1674
11.9
1784
14.5
1885
17.2
1994
20.1
11700
1851
1244
3.26
1298
4.11
1404
5.97
1509
8.02
1609
10.2
1714
12.7
1817
15.3
1918
18.1
2013
21.0
12400
1962
1312
3.76
1363
4.67
1464
6.59
1562
8.72
1660
11.0
1757
13.5
1853
16.1
1951
19.0
13100
2072
1380
4.32
1428
5.29
1524
7.27
1617
9.48
1712
11.8
1800
14.3
1895
17.0
1985
19.9
13800
2183
1449
4.94
1494
5.97
1585
8.00
1675
10.3
1765
12.7
1851
15.3
1938
18.0
2026
20.9
14500
2294
1518
5.61
1561
6.72
1648
8.82
1734
11.2
1818
13.7
1903
16.3
1982
19.0
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
600
100
69
76
71
66
65
64
52
43
71
600
100
76
79
70
70
67
65
56
45
73
80
67
73
68
64
63
59
51
41
68
80
76
78
68
68
67
65
59
49
72
60
66
71
66
61
61
59
51
41
66
60
75
77
67
67
66
64
59
49
71
50
69
73
67
62
62
60
52
41
67
50
76
78
67
66
65
64
59
47
71
850
100
73
81
75
73
71
74
61
53
78
850
100
79
82
76
77
74
74
65
55
80
80
71
76
71
70
68
67
60
50
74
80
75
78
73
75
73
70
64
53
77
60
72
74
71
68
67
67
61
51
73
60
76
79
72
73
71
69
65
54
76
50
76
78
72
68
67
67
60
51
73
50
83
81
73
73
71
69
65
55
77
1150
100
76
82
88
82
79
77
77
61
86
1150
100
83
84
86
86
82
78
77
65
87
80
72
78
85
79
76
73
67
59
82
80
80
80
81
83
80
75
71
64
84
60
76
77
80
76
74
71
66
60
79
60
81
82
81
81
78
74
70
65
83
50
80
84
85
76
73
71
66
61
81
50
83
83
81
81
77
74
70
65
82
1650
100
83
87
95
90
89
86
87
78
95
1650
100
88
90
94
94
92
87
87
81
96
80
78
82
92
86
86
82
77
69
91
80
84
87
90
93
90
84
80
72
94
60
84
84
89
84
83
79
75
71
88
60
88
91
91
89
87
82
79
72
92
50
86
89
91
84
82
78
75
71
88
50
89
92
91
89
87
82
80
73
92
2036
100
86
89
96
96
95
91
92
90
100
2036
100
94
95
97
99
97
93
92
91
102
80
80
84
91
92
92
88
83
76
95
80
88
89
93
94
93
89
85
77
97
60
87
88
89
89
88
84
80
77
92
60
93
94
93
93
91
87
83
77
95
50
89
94
94
89
87
84
80
77
93
50
94
95
94
93
91
87
83
78
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
25
30
0
5
10
15
20
DO
NO
T S
EL
EC
T
TO
T
H
E
LE
FT
O
F
TH
IS
S
Y
ST
EM
C
U
R
VE
0
2
4
6
8
10
12
14
16
18
20
0
1
2
3
4
5
6
7
8
9
10
QEI-24II
RPM
BHP
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m
3
918
1246
1426
1569
1796
60% WOV
70% WOV
80% WOV
90% WOV
2036
5
7½
2
10
15
20
25
Performance Data
Maximum Fan RPM
2036
Specification Data
Maximum Motor
Frame Size
284T
Minimum Motor
Starting hp
3/4 hp
.55 kW
Wheel Diameter
30 in.
762 mm
Approximate Weight
(Less Motor & Drives)
550 lbs.
249 kg.
Maximum Bhp = (Fan RPM / 729)
3
Outlet Velocity (FPM) = CFM / 6.21
Tip Speed (FPM) = Fan RPM x 7.85
% WOV = (CFM x 100) / (Fan RPM x 9.84)
Imperial data —
Metric data