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Figure 3-16
Butterfly flaps installation
K
Upper cone ring fits into inner hole.
L
Lower cone ring fits into outer hole.
NOTE:
Fan not shown for clarity.
CAUTION
Fan ring must be plumb and level in order for doors to operate properly.
7. Attach the springs (I) from the flaps (C) to the spring clip (B).
8. Push the flaps open and make sure that the flaps close automatically from the spring tension,
completely sealed by the magnets on the butterfly frame weldment assembly.
PNEG-1502
54" Galvanized Mega Flow Butterfly Fan
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