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© Munters Corporation, August 2021
QM1077r16
Installation Instructions
2.
2.1 Wall framing
Step
1
Construct framed opening to correct size according to the Wall Opening listed in chart A below.
See Figure 1A and 1B.
When installing exterior sheet metal before fan, leave 2” of the framing
exposed on all sides so the orifice can mount flush to the frame.
Minimum Spacing
'Z'
Chart A
Wall Opening
(W. x H.)
Fan Dia.
36”
44½” W. x 44½” H.
Figure 1B 4 x 4 Post Construction - Elevation View
Ceiling
Framing
H
(see char
t A)
12"
W
(see chart A)
See minimum
spacing notes in
Chart A
Z
2 x 8 Header boards
4 x 4 or
4 x 6 Posts
2 x 4
Framing
2 x 8 Banner boards
Ceiling
4 x 4 or 4 x 6 Posts
W
(see chart A)
H
(see char
t A)
Note:
Damper doors should
be carefully set aside
out of direct sunlight
until needed.
Center To Center
Dimension
48” Minimum
Figure 1A Frame Construction
44½
" W.
Top View
48” W. O.C.
W x H W
all Opening
Sheet Metal Opening
Stud Wall
12” recommended; 3½” minimum
