Greenheck Fan QEP - Manual (Page 25)

1FSGPSNBODF
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
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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.
Plenum Size


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
26000 2106   822 12.4 899 17.4 971 22.7 1038 28.1 1102 33.6 1164 39.4 1222  1286 
28000 2269 778 8.90 861 13.9  19.1 1003 24.8 1069 30.4 1130 36.2 1189 42.2 1247 48.4 1301 
30000 2431 821 10.2 900  971 21.0 1038 26.8 1100 32.9 1160 39.0 1217  1272  1326 
32000   11.6 941 17.2 1009 23.0 1074 29.1 1134  1192 42.0 1247  1300   62.1
34000  909 13.1 982 19.1 1048  1110  1168 38.1 1224  1278  1330  1380 66.0
36000 2917  14.8 1024 21.1 1088  1147 34.0  40.9  48.1 1310  1361 62.7 1410 70.1
38000 3079 998 16.7 1066 23.3 1128 30.0 1186 36.8 1240 43.9 1293  1344  1393 66.8 1441 74.4
40000 3241 1043 18.8 1109  1169 32.7  39.8 1278 47.2 1330  1379 62.7 1426 70.8 1472 79.0
42000 3403 1089 21.0  28.2 1210   43.0 1317  1366  1414 66.6 1461 74.9  
44000     30.9  38.6  46.4   1403 62.4  70.7 1496 79.3  88.1
46000 3727 1180 26.1 1239 33.9 1294 41.9 1346    1442  1487   83.9
48000 3889 1227 28.9 1284 37.0 1337  1387   62.3 1481 70.9  79.7
RPM 
807
Inlet Sound Power, L
8J

<E#
SFG
 -12 XBUUT>
1 2 3 4  6 7 8 L
8J
A
 100 81 86 76 69 71 62   76
80 79 83 72 64 62   49 71
60 79 82 70 62    48 69
 81 79 69 62 60   49 68
600 100   82 76 76 72 66 61 83
80 82 91 78 70 69 63 60  78
60 81 89 76 68  61   76
 82 91 77 68 66 61   77
 100 88 96 97 86 84 81 76 72 91
80 87  96 82 78 73 70 67 89
60  92 91 78 74 70 67 66 
 86  92 78 74 70 68 67 86
1200 100 94 97 102  94 89 86 82 99
80 90 94 100 91 89 83 78 76 
60 88 91 98 88  78 76  92
 88 94 102 88 84 78 77 76 
 100 99 103 107 103 100 97 93 89 106
80 94 99 104 100  91 86 82 102
60 92 97 101 98 92 86 82 81 99
 92 99  99 91 86 83 82 101
RPM 
807
Outlet Sound Power, L
8P

<E#
SFG
 -12 XBUUT>
1 2 3 4  6 7 8 L
8P
A
 100 79  80 79 77 70 66  81
80 78 84 76  72 66 61  77
60 79 81 74 74 71 63 60  
 80 79 73 73 71 62   
600 100 82 92  84 82 77 73 66 86
80 81 92 82 80 78 71 69 63 83
60 82 89 83 80 77 70 66 62 82
 89 91 86 84 80 72 67 62 
 100  94 98 94 90 86 83 77 96
80  92 96 91  81 78 74 93
60 86 92 94 88 83 79 76 71 90
 89 96 94 89  79 76 71 91
1200 100 94 98  103 100 94 91 87 
80 92  103 99  89  82 101
60  97 101 96 92 86 83 79 98
  100 103 96 91 86 82 78 99
 100 98 104 108 110 106 102 98  111
80 97 101 106 107 102 97 92 89 108
60 99 103  104 99 94 90 86 
 99  108  99 94 89  106

Plenum Size 40


QEP Class I Maximum rpm 949
QEP Class II Maximum rpm 1238
QEP Class III Maximum rpm 
QEP Motor on Frame Limit 326T
Minimum Motor Size 2 [hp]
Wheel Diameter
40.25
1022
[in.]
[mm]
Peak Power
(rpm / 341) 3
(rpm / 376) 3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 12.3
m 3 /s / 7.27
[ft/min]
[m/s]
Tip Speed
rpm x 10.5
rpm x 0.0535
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 0.410)
m 3 /hr / (rpm x 0.697)
[%]
[%]
Imperial data — Metric data
0 2 4 6 8 10
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
0 1 2 3 4 5 6
0
2
4
6
8
10
12
14
90%
80%
70%
60%
492
Static Pr
essur
e (in. wg)
Volume (cfm x 10,000)
Volume (m 3 /hr x 10,000)
1560
1438
1238
1060
949
841
667
15
10
7½
5
3
20
25
30
40 50
rpm
hp
Density 0.075 lb/ft 3
Density 1.2 kg/m 3
% WOV 60
75
100
Static Pr
essur
e (Pa x 100)
0
5
10
15
20
25
30