Greenheck Fan QEP - Manual (Page 30)

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
70000 2109 449 20.9  33.4  47.0  61.2 633  672  710 106
  473 23.8  37.1   610 66.3  81.4 688 97.0 724 113  130 793 147
80000 2410 497 26.9  41.0   630 71.4 668 87.7  104 739 121 774 138 807 
   30.4   611 60.6  76.9 687 94.0 723 111  129 789 147 821 
90000 2711  34.2  49.9 633 66.0 671 82.8 707 101 740 119 774 137 806  836 
 2862  38.3 616   71.7 692 89.1 726 107 760 127 792 146 823   
100000 3012  42.9 640 60.2 678 77.9 714  748  780 134 811  841  871 
 3163 623 47.8 664  701  736 103 768 123 800 143 830 164   888 206
110000 3314 649  688 72.1 724 91.3  111 790 131 821   173 879  906 218
 3464   713 78.6 748 98.7 781 119 812 140 841 161 871 183 899 206 926 229
120000  701  737  772 107 804 128 834 149 863 171 891 194 919 217  241
 3766 727 72.0 762 93.0 796  827 137    182 912  940 229
RPM 
807
Inlet Sound Power, L
8J

<E#
SFG
 -12 XBUUT>
1 2 3 4  6 7 8 L
8J
A
 100 90 79 71   61   
80 86  66     47 68
60 86 74 64 62    47 66
 82 72  63    47 66
 100 98 87 79 81 77 71  60 82
80 94 83 74 73 67  60  76
60 92 81 71 70  62 60  73
 94 83 71 70  63 61  74
 100 98 103 90 88 86 81 77 73 92
80 96 103 86 83 78 74 71 68 89
60  97 83 79 74 71 70 68 
 98 99 83 78 74 72 70 69 86
700 100 99  99 98 93 90 86 82 100
80  103  93 87 82 80 77 
60 93 101 93 90 82 79 78 77 92
 96  93 88 82 80 80 79 93
 100 106 110 109  102 98  91 108
80 102 107 106 101 97 91 87 84 103
60 100  104 98 92 87  84 100
 101 108 106 97 92 88 86  101
RPM 
807
Outlet Sound Power, L
8P

<E#
SFG
 -12 XBUUT>
1 2 3 4  6 7 8 L
8P
A
 100 88 82 81 81 73 69  49 81
80 87 78 77 76 69    76
60 83 76 76  66 63   
 82  76  64 62   74
 100  88 87 86 81 78 71 64 87
80  86 84 83  73 67 62 83
60 92 87 84 82 74 70 66 62 82
 94 89 88 86 77 72 67 61 86
 100  103 98 94 90 87 82 77 97
80 93 101  90  83 78 74 93
60  98 93 88 83 81  70 91
 101 98 94 90 84 81 76 71 92
700 100 100 108 107 104 98  92 88 
80 97  104 100 93 89 86 82 101
60 99 104 100 97 91 87 83 79 98
 102 106 101 96 90 87 82 78 98
 100 106 111 114 112 107 103 100 97 113
80 104 109 112 108 103 98 94 91 109
60 106 109 109  100  91 88 107
 108 112 111  99  91 87 107
30
Plenum Size 66


QEP Class I Maximum rpm 
QEP Class II Maximum rpm 
QEP Class III Maximum rpm 
QEP Motor on Frame Limit 365T
Minimum Motor Size 7 1 ⁄ 2 [hp]
Wheel Diameter
66.00
1676
[in.]
[mm]
Peak Power
(rpm / 149) 3
(rpm / 164) 3
[hp]
[kW]
Wheel Outlet Velocity
cfm / 33.2
m 3 /s / 19.5
[ft/min]
[m/s]
Tip Speed
rpm x 17.3
rpm x 0.0878
[ft/min]
[m/s]
% Wide Open Volume (%WOV)
cfm / (rpm x 1.81)
m 3 /hr / (rpm x 3.075)
[%]
[%]
Imperial data — Metric data
0 1 2 3
0
5
10
15
20
25
30
0 2 4 6 8 10 12 14 16 18
0
2
4
6
8
10
12
14
90%
80%
70%
60%
Static Pr
essur
e (in. wg)
Volume (cfm x 10,000)
Volume (m 3 /hr x 100,000)
Static Pr
essur
e (Pa x 100)
15
20
30
40
50
25
75
rpm
hp
% WOV
Density 0.075 lb/ft 3
Density 1.2 kg/m 3
60
100
125 150
200
250 300
367
436
510
579
692
755
871
951
D
O
N
O
T
S
E
L
E
C
T
T
O
T
H
E
L
E
FT
O
F
T
H
IS
S
Y
S
T
E
M
C
U
R
V
E