EF36                                                          



Frame opening  37” x 37”

   

Allow two inches of clearance around opening.  Securely mount fan to rigid framework with proper screws in prepunched mounting holes in outer frame

of shutter.


Vertical only.  


To insure proper automatic operation, install fan level and square, do not twist or tilt shutter frame, and attach mounting screws at a 90 degree angle.

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