Greenheck Fan OFSD-311 Ventilation Hood User Manual


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of 6
 
12x12
48x12
24x24
36x36
12x48
*
* Sizes are in inches.
R
Greenheck Fan Corporation certifies that the
model OFSD-311 shown herein is licensed to bear
theAMCASeal.Theratingsshownarebasedon
tests and procedures performed in accordance
with AMCA Publication 511 and comply with
the requirements of the AMCA Certified Ratings
Programs.TheAMCACertifiedRatingsSeal
applies to air performance ratings only.
AMCA 5.2 Pressure Drop OFSD-311
5D 6D
5D
D
4 (W) (H)
3.14
Velocity
(fpm)
Pressure Drop
(in. wg)
Velocity
(fpm)
Pressure Drop
(in. wg)
Velocity
(fpm)
Pressure Drop
(in. wg)
Velocity
(fpm)
Pressure Drop
(in. wg)
Velocity
(fpm)
Pressure Drop
(in. wg)
500 0.03 500 0.01 500 0.01 500 0.01 500 0.02
1000 0.12 1000 0.06 1000 0.061000 0.051000 0.08
1500 0.26 1500 0.12 1500 0.121500 0.12 1500 0.18
2000 0.46 2000 0.22 2000 0.222000 0.21 2000 0.33
2500 0.72 2500 0.34 2500 0.342500 0.332500 0.51
3000 1.04 3000 0.49 3000 0.493000 0.483000 0.74
3500 1.41 3500 0.67 3500 0.673500 0.653500 1.00
4000 1.84 4000 0.87 4000 0.884000 0.854000 1.31
12in. X 48 in.
(
305mm x 1219mm
)
48 in. x 12 in.
(
1219mm x 305mm
)
24 in. x 24 in.
(
610mm x 610mm
)
36in. x 36 in.
(
914mm x 914mm
)
12 in. x 12 in.
(
305mm x 305mm
)
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