Greenheck Fan QEP - Manual (Page 23)

CFM OV
STATIC PRESSURE (in. wg)
1 2 3 4 5 6 7 8 9
RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1 RPM #)1
14000 1688 788  908 6.24 1016 9.10 1116 12.0 1208 
16000 1930 864 4.44  7.38  10.6 1168 13.9  17.2 1339 20.7
18000 2171 941  1047 8.71 1139 12.2 1227  1309  1387 23.2 1464 27.1  31.1
20000 2412 1021 6.72 1122 10.3 1208 13.9 1290 17.9 1368 22.0 1443 26.0  30.2  34.4  38.7
22000  1104 8.17 1197 12.0 1281 16.0  20.1 1431   29.1   1634 38.0 1698 42.6
24000  1188 9.86 1274 13.9  18.2 1428 22.6 1497 27.2  32.1 1629 37.1 1692 41.9  46.7
26000 3136 1273 11.8  16.1 1430 20.7    30.3 1630  1693    1811 
28000 3377  14.0 1432 18.6    28.6 1639 33.6 1699 38.9  44.3 1816 49.9 1872 
30000 3618 1446   21.4    31.9 1713 37.3 1771 42.8 1826 48.4 1881  1936 60.3
32000 3860  19.3   1662 29.9 1727  1788 41.3 1844 47.1 1898 
34000 4101 1620 22.4 1683 28.0 1742 33.6 1804  1863  1919 
36000 4342 1708  1768 31.8  37.7 1882 43.9 1939 
RPM 
807
Inlet Sound Power, L
8J

<E#
SFG
 -12 XBUUT>
1 2 3 4  6 7 8 L
8J
A
 100 80 88 77 71 70    76
80 79  74 67 64    73
60 84 84  67 61  49 43 72
 84 84  67 61  49 43 72
 100 80 89 88 79 76 73 67 60 84
80 81 91 87  72 67 61  81
60 80 86 82 72 68 64   77
 79 86 82 72 68 64 60  77
 100 84 92 97 87  82 76 70 92
80 81 91 96 83 80 76 71 66 89
60 80 88 91 79 76 73 70 67 
 79 86 88 76 73 72 69 68 83
1400 100 89 93 99 98 93 90  81 99
80 86 90  94 88 84 80  
60 87 92 94 90 83 80 77  91
 87 93 93 88 81 79 76 76 90
1949 100 96 100 104 106 103 99  90 107
80 93 97 101 102 98 93 89 84 103
60 93 98 101 99 93 89 86 83 100
 93 99 101 98 91 87  83 99
RPM 
807
Outlet Sound Power, L
8P

<E#
SFG
 -12 XBUUT>
1 2 3 4  6 7 8 L
8P
A
 100 83 87 79 77 76 71 61  80
80 83 84 77  71 64   77
60 82 83  73 70 63   
 81 83 73 72 70 64   
 100 81 89 91 86 82 78 72 62 88
80 81 88 88 83 78 72 66 61 84
60 83 86  81 76 70 66 64 83
 83 86  80  70 67 67 82
 100 86  102 96 92 87 82 74 98
80 83 92 99 92 88 82 76 71 94
60  91 94 87 84 79 74 71 90
  90 92  82 77 73 72 88
1400 100 91 96 103  100  91 87 
80 90 94 101 101 96 90 84 80 101
60 93  96  90  81 79 96
 96 97 94 93 88 83 81 79 94
1949 100 98 102 108 112 110  100 96 114
80 97 101 106 109 106 100 94 89 110
60 101 104 103 103 100  90 87 
 103 106 103 101 98 93 89 86 103
23
Plenum Size 33


QEP Class I Maximum rpm 1186
QEP Class II Maximum rpm 
QEP Class III Maximum rpm 1949
QEM Maximum rpm 1392
Note: Model QEM does not utilize class designations.
QEP Motor on Frame Limit 286T
Minimum Motor Size 1 1 ⁄ 2 [hp]
Wheel Diameter
33.00
838
[in.]
[mm]
Peak Power
(rpm / 485) 3
(rpm / 535) 3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 8.30
m 3 /s / 4.89
[ft/min]
[m/s]
Tip Speed
rpm x 8.64
rpm x 0.0439
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 0.219)
m 3 /hr / (rpm x 0.372)
[%]
[%]
Imperial data — Metric data
0 1 2 3 4 5 6 7
0
5
10
15
20
25
30
0 1 2 3 4
0
2
4
6
8
10
12
14
90%
80%
70%
60%
Static Pr
essur
e (in. wg)
Volume (cfm x 10,000)
3 Volume (m /hr x 10,000)
Static Pr
essur
e (Pa x 100)
D
O
N
O
T
S
E
L
E
C
T
T
O
T
H
E
L
E
F
T
O
F
T
H
IS
S
Y
S
T
E
M
C
U
R
V
E
15
10
7½
5
3
2
20
30 40
50
60
25
75
rpm
hp
% WOV
Density 0.075 lb/ft 3
Density 1.2 kg/m 3
1949
1787
1547
1392
1316
1186
1045
829
611
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DFSUJGJFE
JT
GPS
JOTUBMMBUJPO
UZQF
"
'SFF
JOMFU

'SFF
PVUMFU
1PXFS
SBUJOHT
#IQ

EP
OPU
JODMVEF
USBOTNJTTJPO
MPTTFT
1FSGPSNBODF
SBUJOHT
EP
OPU
JODMVEF

the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to 10 -12 XBUUT
DBMDVMBUFE
QFS
".$"
*OUFSOBUJPOBM
4UBOEBSE

7BMVFT
TIPXO
BSF
GPS
JOMFU
-
8J
, L
8J
A
and outlet L
8P
, L
8P
A sound power levels for installation type A: Free inlet, Free outlet. The A-weighted sound ratings shown have been calculated per AMCA
International Standard 301. Outlet ratings do not include the effects of duct end correction.
The AMCA International Certified Ratings Seal for Sound for model QEM only applies to the single L
8J
A and L
8P
A values.