Operating Instructions and Maintenance:
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9. CONTROLLER
If the fan’s wall controller is not already installed, install the controller. Make sure the controller wiring or cable is routed
from the fan or VFD to the controller installation location. Refer to the instructions that came in the controller box for
controller installation details.
7. AIRFOIL INSTALLATION (CONT.)
Secure Airfoils
Do not fully tighten the bolts until all retainers are
attached. Tighten the outer bolts fi rst.
Powerfoil X3.0
shown. Installation is the same for Powerfoil D.
5/16-18 x 2" Bolt
5/16" Flat Washer
29 ft·lb (39.3 N·m)
5/16-18 Nylock Nut
Hole A should be
positioned over
top of hole B.
A
B
8. HUB COVER
10-32 x 1/2" Pan Head Screw
Powerfoil X3.0
Powerfoil D
10-32 x 1/2" Pan Head Screw
009970-AA-BB-CCC-DDD-EEE-FFF-GG-HH
009971-AA-BB-CCC-DDD-EEE-FFF-GG-HH
009972-AA-BB-CCC-DDD-EEE-FFF-GG-HH