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INSTALLATION INSTRUCTIONS
Clearance Notes:
Step 1
Construct the framed opening to correct size according to the Chart
A (below) and your fan size. See Figure 1A and Chart A. If fan
and housing is to be framed into a 2 x 4 wall or concrete wall, See
Figure 1A, 1B, 1C and Chart A for details. For greater than 4" wall
thicknesses, See Figure 1D.
Fan with Discharge
Cone: maintain 12"
minimum clearance
on all sides
See Clearance
Notes, upper
right
Wall Opening
(see chart)
Framing
Wall Opening
(see chart)
12"
Ceiling
A - 2 x Wall Opening
A - 2 x 4 Wall Opening
B - Concrete Wall Opening
Figure 1A
2x4
Figure 1B
Figure 1C
2 x 4 FRAMING
CONCRETE FRAMING
31/2"
Catalog
No.
WF50
A
2 x 4 framing
55"W. x 561/4"H.
B
concrete framing
55"W. x 573/4"H.
Framing cut
at 12° to
match fan
housing
Chart A
Figure 1D
GREATER THAN 4"
WALL THICKNESSES
Munters Corporation
4215 Legion Dr. Mason, MI 48854-1036 USA
Ph. (517) 676-7070 Fax (517) 676-7078
www.munters.us/aerotech
FORM: QM1072
Rev. 4, June 2009
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