5
A
B
C
Air Outlet Assembly
A. Slide the slot on the upper back side of the front fan
guard onto the metal case.
B. Push upward from the bottom of the front fan and gen-
tly press into the metal casing, until attached.
C. Press the sides of the cover in to make sure cover is
securely attached.
A
B
C
D
Air Inlet Assembly
A. Line up the clips on the rear fan guard with the slots on
the BFN fan housing.
B. Push the rear fan guard into the corresponding slots.
C. Slide the two sides of the rear fan guard down.
D. Lightly pull the very bottom of the rear fan guard down-
ward with your thumb to lock it securely.
Caution: BFN series products have safety relay
switches where the front and rear fan guards attach to
the unit. These relays disable the fan/ionizer operation
when either fan guard is removed. Take care when at-
taching the fan guards to assure proper functioning of
the product.