Greenheck Fan QEP - Manual (Page 26)

Plenum Size


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
".$"
*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.
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
30000 1988 638  718 14.0 790 19.9  26.0 919 32.3 980 38.9 1036 
33000 2186 684 10.2 761 16.0 829 22.3 892 29.0   1008 42.7 1064 49.9 1116 
36000  732 12.0  18.3 869  930 32.1 987 39.4 1042 46.7 1093  1144 62.1 1193 70.1
39000  780 14.1 849 20.9 911 27.9 969  1024 43.2 1076  1127  1174 67.2 1222 
42000 2783 829 16.4  23.7  31.2 1010 39.0 1062 47.2 1113  1161 64.2 1208 72.7  
 2982 879 19.1 941 26.9 999 34.8  43.0 1103   60.4 1197 69.6 1243 78.6 1287 87.8
48000 3180 929 22.0 989 30.3 1044 38.8  47.3 1143  1191   74.9 1278 84.8 1321 94.4
 3379 979  1036 34.0 1089 43.0 1139  1186 61.3 1231 70.8 1274 80.7 1317 90.9  101
  1030 29.0  38.1 1136  1184  1229 66.8 1272 76.7  86.9  97.4  108
 3777 1081 33.0 1134 42.6 1183  1229  1273 72.7  83.0   1396 104
60000 3976 1133 37.4 1183 47.4 1230   68.3 1318 79.1  89.7 1398 101
63000 4174 1184 42.1 1232  1278 63.6 1322 74.6 1363  1403 96.9
RPM 
807
Inlet Sound Power, L
8J

<E#
SFG
 -12 XBUUT>
1 2 3 4  6 7 8 L
8J
A
400 100 83   71 70 62   
80 81 82 71 64 62   48 70
60 81 81 69 62    48 68
 80 77 68 62    48 67
 100 88 94 82 77 77 72 67 61 83
80  90 78 72 69 64 61  78
60 84 89 76 69 66 62   76
  90 77 69 66 62 60  77
800 100 90 98 97 87  82 78 74 93
80 90 97 96 83 79  72 69 90
60 88 94 91 80  71 69 67 86
 89 97 92 79  72 69 68 87
1100 100 96 99 102 96 94 90 87 82 100
80 92 96 100 92 89 83 79 77 96
60 89 93 98 89  79 77 76 93
 90 97 101 89 84 79 78 77 
1411 100 101 104 108 104 100 97 93 90 106
80 96 101  100  91 86 83 102
60 94 98 103 98 92 87 83 81 99
 94 101 107 99 91 87 84 83 101
RPM 
807
Outlet Sound Power, L
8P

<E#
SFG
 -12 XBUUT>
1 2 3 4  6 7 8 L
8P
A
400 100 81  80 79 77 70 64  81
80 80 83 76  72 66 61  77
60 80 80 74 74 70 63   
 80 79 74 74 70 62   
 100  92 86  82 78 73 66 87
80 84 92 83 81 78 72 69 63 84
60  90 84 81 77 70 67 62 83
 90 92 87  80 73 68 63 86
800 100 88 96 99  91 87 84 79 97
80 87  98 92 87 82 80  94
60 89   90  81 77 72 92
 92 98  91 86 81 77 72 93
1100 100 96 100 106 104 100  92 88 
80 94 98 104 100 96 90 86 83 101
60 96 99 102 97 92 87 83 79 99
 97 102 103 97 92 87 83 79 99
1411 100 100  110 110 107 102 98  111
80 99 103 107 107 103 97 92 89 108
60 101 104 107 104 99 94 90 86 
 101 106 110  99 94 90 86 106
26
Plenum Size 44


QEP Class I Maximum rpm 860
QEP Class II Maximum rpm 1120
QEP Class III Maximum rpm 1411
QEP Motor on Frame Limit 326T
Minimum Motor Size 3 [hp]
Wheel Diameter
44.50
1130
[in.]
[mm]
Peak Power
(rpm / 288) 3
(rpm / 318) 3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 15.1
m 3 /s / 8.88
[ft/min]
[m/s]
Tip Speed
rpm x 11.7
rpm x 0.0592
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 0.554)
m 3 /hr / (rpm x 0.941)
[%]
[%]
Imperial data — Metric data
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
2
4
6
8
10
12
14
90%
80%
70%
60%
1411
1337
1215
1120
985
860
782
620
492
15
10
7½
5
20
25
30
40
50
rpm
hp
Density 0.075 lb/ft 3
Density 1.2 kg/m 3
% WOV 60 75
100
125
0
5
10
15
20
25
30
Static Pr
essur
e (in. wg)
Static Pr
essur
e (Pa x 100)
0 2 4 6 8 10
Volume (cfm x 10,000)
Volume (m 3 /hr x 10,000)
0 1 2 3 4 5 6 7 8