Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L - Manual (Page 49)

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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-54 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
33500 1105 364 4.71 407 7.61 485 14.7 562 23.0 636 32.0
37000 1221 394 5.71 433 8.78 505 16.1 577 24.8 645 34.3 710 44.4
40500 1336 425 6.88 460 10.1 527 17.7 592 26.7 656 36.6 719 47.2 777 58.3
44000 1452 457 8.22 488 11.7 552 19.6 611 28.8 671 39.0 728 50.1 786 61.7 840 73.7
47500 1567 488 9.76 516 13.4 576 21.6 632 31.1 687 41.6 743 53.1 796 65.2 849 77.7 899 90.7
51000 1683 520 11.5 546 15.4 602 23.9 655 33.6 707 44.4 759 56.2 810 68.7 859 81.8 909 95.2
54500 1798 552 13.5 577 17.6 629 26.5 680 36.5 728 47.5 775 59.5 825 72.3 872 85.9 918 99.9
58000 1914 584 15.7 608 20.0 656 29.3 704 39.5 750 50.8 796 63.2 840 76.2 887 90.1
61500 2029 617 18.1 639 22.7 684 32.3 729 42.9 775 54.5 818 67.1 860 80.4 903 94.5
65000 2145 650 20.9 671 25.6 712 35.7 756 46.6 800 58.5 840 71.2 881 85.0 920 99.3
68500 2260 682 23.9 702 28.9 741 39.3 784 50.7 824 62.8 865 75.9 903 89.7
72000 2376 715 27.2 734 32.4 771 43.3 811 55.0 850 67.4 889 80.8 926 94.9
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
275
100 81 75 72 75 69 58 50 44 74
275
100 84 78 77 78 71 61 54 47 78
80 79 72 70 71 65 55 47 38 71 80 84 77 76 76 68 59 51 44 76
60 77 70 68 70 64 55 47 39 70 60 83 75 74 76 68 59 51 44 75
50 76 69 68 70 63 55 47 39 69 50 83 75 73 76 67 58 51 45 75
375
100 90 84 80 79 81 70 60 54 83
375
100 88 85 85 82 81 71 61 54 84
80 87 80 77 77 72 64 56 49 78 80 88 84 83 81 75 67 59 51 82
60 83 77 75 76 72 63 56 50 77 60 88 82 81 80 74 66 59 52 80
50 84 77 74 76 70 62 56 50 76 50 88 81 79 79 73 65 59 53 79
525
100 93 92 89 87 89 82 72 63 92
525
100 93 93 94 90 89 83 73 64 93
80 91 89 87 85 81 74 67 60 86 80 90 90 91 88 83 77 69 60 89
60 88 85 83 82 79 74 67 61 84 60 88 87 88 85 81 75 68 62 87
50 90 86 82 81 78 72 67 63 83 50 91 88 87 85 80 74 68 63 86
750
100 95 101 100 96 94 97 86 70 101
750
100 96 99 103 99 96 97 87 73 103
80 91 98 97 94 89 85 78 70 95 80 93 96 101 98 93 88 81 72 99
60 90 95 93 90 87 83 77 71 93 60 94 94 97 95 90 86 79 73 96
50 91 93 92 89 86 82 78 73 92 50 97 96 98 94 90 84 79 74 96
929
100 97 104 105 102 99 101 95 79 106
929
100 100 104 108 105 101 102 96 82 108
80 92 99 102 100 95 92 86 77 101 80 97 101 105 104 98 94 88 79 105
60 93 96 98 96 92 89 84 79 98 60 99 99 102 100 96 91 86 79 101
50 95 96 97 95 92 89 85 80 97 50 101 102 103 100 95 91 85 80 101
Static Pr
essur
e (in. wg)
Static Pr
essur
e (Pa x 100)
Volume (cfm x 1000)
3 Volume (m /hr x 1000)
0 20 40 60 80 100 120 140 160
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 10 20 30 40 50 60 70 80 90 100
0
2
4
6
8
10
QEI-54II
RPM
BHP
% WOV
Density 0.075 lb/ft
3
Density 1.2 kg/m 3
424
534
611
725
60% WOV
70% WOV
80% WOV
90% WOV
830
10
20
30
929
50% WOV
50
75 100 125
Performance Data
Maximum Fan RPM 929
Specification Data
Maximum Motor
Frame Size
405T
Minimum Motor
Starting hp
15 hp 11 kW
Wheel Diameter 66 in. 1676 mm
Approximate Weight
(Less Motor & Drives)
3600 lbs. 1633 kg.
Maximum Bhp = (Fan RPM / 197) 3
Outlet Velocity (FPM) = CFM / 30.46
Tip Speed (FPM) = Fan RPM x 17.3
% WOV = (CFM x 100) / (Fan RPM x 104)
Imperial data —
Metric data