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 X2.0/Powerfoil D/
Powerfoil Breeze.
29 ft·lb (39.3 N·m)
8. HUB COVER
Powerfoil X3.0
Powerfoil X2.0
10-32 x 1/2" Pan Head Screw
10-16 x 1/2" Pan Head Screw
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.
Hole A should be
positioned over
top of hole B.
Powerfoil D
Powerfoil Breeze
10-32 x 1/2" Pan Head Screw
10-16 x 1/2" Pan Head Screw
Operating Instructions and Maintenance:
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A
B
5/16-18 x 2" Bolt
5/16" Flat Washer
5/16-18 Nylock Nut