Plenum size, Plenum size 44, Static pressure (in. wg) – Greenheck Fan QEP User Manual
Page 26

Plenum Size
1FSGPSNBODFDFSUJGJFEJTGPSJOTUBMMBUJPOUZQF"'SFFJOMFU
'SFFPVUMFU1PXFSSBUJOHT #IQEPOPUJODMVEFUSBOTNJTTJPOMPTTFT1FSGPSNBODFSBUJOHTEPOPUJODMVEF
the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to 10
-12
XBUUTDBMDVMBUFEQFS".$"*OUFSOBUJPOBM4UBOEBSE7BMVFTTIPXOBSFGPSJOMFU-
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
-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 -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