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Installing the Fan into the Wall Opening - Internal Mount
1. Install the assembled fan into the wall opening (the wall opening must be square, plumb & flat), taking care to
ensure the housing slopes downward as shown in Figure 4.
Figure 4
OUTSIDE BUILDING
2. Use the appropriate shutter clips and screws at each pre-drilled hole on housing flange, for the material type of
your structure, to fasten the fan to the wall.
Number of shutter clips required
54" Fiberglass Fan
50" Fiberglass Fan
36" Fiberglass Fan
3. Screw the shutter clips through the predrilled
shutter clip holes in the fan housing flanges.
4. Manually rotate the fan blade to check for
centering one last time. Check belt alignment
across pulleys. Adjust if necessary.
5. Check belt tension
(see Figure 33 for reference.)
6. Wire motor.
INSIDE BUILDING
HOUSING
FLANGE
WALL
16
12
12
10
FAN MUST BE INSTALLED WITH
DOWNWARD SLOPE.
It is of the utmost importance to have the
opening in the wall square, plumb and flat
(to within 1/8"). These conditions must be
verified prior to installing.
Figure 5
IMPORTANT!
©2021 Valco Industries, Inc.
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