Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L - Manual (Page 23)

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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.
Shaded values show where Class I fan selections are more efficient than Class II.
Performance Data
QEI-15 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
2500 1077 1315 0.42 1471 0.64 1790 1.23 2082 1.91
2800 1206 1436 0.53 1575 0.77 1864 1.38 2131 2.09 2392 2.88
3100 1336 1559 0.65 1687 0.92 1948 1.54 2201 2.29 2435 3.11 2670 3.99 2884 4.93
3400 1465 1684 0.79 1805 1.10 2034 1.72 2275 2.51 2500 3.36 2713 4.28 2926 5.25 3122 6.28
3700 1594 1810 0.96 1926 1.30 2137 1.95 2358 2.75 2570 3.64 2771 4.59 2968 5.59 3164 6.66 3347 7.76
4000 1724 1938 1.15 2047 1.52 2242 2.21 2443 3.01 2647 3.94 2841 4.92 3023 5.96 3207 7.05 3389 8.20
4300 1853 2067 1.37 2170 1.76 2353 2.50 2538 3.31 2730 4.26 2913 5.29 3093 6.36 3261 7.48 3431 8.65
4600 1982 2197 1.61 2294 2.04 2471 2.84 2641 3.67 2816 4.61 2995 5.67 3164 6.78 3331 7.94
4900 2112 2328 1.89 2420 2.34 2590 3.22 2746 4.05 2908 5.01 3080 6.09 3243 7.24 3402 8.43
5200 2241 2460 2.20 2546 2.67 2710 3.64 2856 4.49 3011 5.47 3165 6.53 3326 7.72
5500 2370 2592 2.55 2673 3.04 2831 4.07 2973 4.99 3115 5.96 3259 7.04 3411 8.23
5800 2500 2724 2.93 2802 3.45 2953 4.53 3092 5.53 3221 6.50 3362 7.61
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
1000
100 64 70 70 72 66 65 55 48 73
1000
100 76 75 69 72 70 67 55 47 74
80 62 66 67 66 63 60 52 43 68 80 75 72 67 67 68 62 53 44 71
60 61 62 63 62 61 58 51 42 65 60 75 72 67 64 66 60 53 44 69
50 62 63 63 62 60 58 51 41 65 50 75 71 67 64 65 60 52 44 68
1400
100 67 69 73 74 71 72 64 56 78
1400
100 80 76 74 76 76 73 66 56 80
80 66 65 71 72 68 67 61 53 75 80 78 74 71 72 74 69 62 52 77
60 67 66 68 68 66 65 58 51 71 60 79 75 71 70 72 67 60 52 75
50 69 67 69 67 65 63 57 52 71 50 79 75 71 70 72 67 60 52 75
2000
100 71 73 78 77 77 75 79 66 84
2000
100 90 81 81 83 82 78 79 66 87
80 67 69 76 75 74 73 70 62 79 80 88 78 77 79 80 76 72 65 84
60 71 71 74 74 72 71 68 61 77 60 87 82 78 77 78 74 69 63 82
50 75 74 76 74 72 71 67 61 77 50 89 83 79 78 78 73 69 64 82
2700
100 78 78 79 85 85 83 87 77 91
2700
100 87 85 85 88 90 86 86 78 94
80 79 74 76 85 84 80 77 71 88 80 85 85 83 83 88 83 79 72 90
60 81 78 77 82 82 78 75 70 85 60 88 89 87 82 86 81 77 71 89
50 81 80 79 82 81 78 74 70 85 50 89 90 87 83 86 80 77 72 89
3445
100 79 82 84 89 90 88 91 87 96
3445
100 91 90 91 93 95 93 92 89 100
80 75 79 81 85 87 85 83 78 91 80 89 92 91 89 92 89 86 80 96
60 79 83 82 82 84 83 81 77 89 60 92 94 93 87 90 87 84 79 94
50 81 85 85 86 85 82 80 77 90 50 93 94 93 89 90 87 83 78 94
Static Pr
essur
e (in. wg)
Static Pr
essur
e (Pa x 100)
Volume (cfm x 1000)
3 Volume (m /hr x 1000)
0 2 4 6 8 10 12
0
5
10
15
20
DO
N
OT
S
EL
EC
T
TO
T
H
E
LE
FT
O
F
TH
IS
S
Y
S
TE
M
C
U
R
VE
0 1 2 3 4 5 6 7 8
0
1
2
3
4
5
6
7
8
9
10
QEI-15II
RPM
BHP
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m 3
1666
2
3
2099
2402
2847
3259
1
50% WOV
60% WOV
70% WOV
80% WOV
90% WOV
5
3445
7½
10
Performance Data
Maximum Fan RPM 3445
Specification Data
Maximum Motor
Frame Size
215T
Minimum Motor
Starting hp
1/3 hp .25 kW
Wheel Diameter 18.25 in. 464 mm
Approximate Weight
(Less Motor & Drives)
220 lbs. 100 kg.
Maximum Bhp = (Fan RPM / 1666) 3
Outlet Velocity (FPM) = CFM / 2.32
Tip Speed (FPM) = Fan RPM x 4.78
% WOV = (CFM x 100) / (Fan RPM x 2.20)
Imperial data —
Metric data