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V01-December 2020
55” BELT DRIVE
ECV
STORM FAN
| Installation Manual
pg. 11
Procedure – Testing air pattern/air speed
1.
Using a hand-held air speed meter measure the
air speed 1.2 m above the ground at 6m and 9m
from the fan
Minimum Target Air Speed should be:
Distance from Fan
Minimum Air Speed
6.0 m
2.5 m/s
9.0 m
2.5 m/s
Adjust the louvers accordingly
2.
Once the louvers are set in correct position,
tighten the bolts.
NOTE
: Do Not use power tools to tighten the
bolts.
6m
9m
1.2m
0m