5
© Munters Corporation, January 2020
QM1041r5
Installation Instructions
2.
2.1 Installation
Step 1
Construct a framed opening of 24" x 32" in the pump-out lid, horizontal opening or opening in 12° slopped
top.
See
Figure 1A.
If pump-out lid is concrete, it is recommended to frame a double treated 2 x 4 sill
around the 24" x 32" opening, with an extra frame piece across the front of the opening.
See Figure 1B and 1C.
32"
Concrete Pump-Out or
Horizontal Opening
Figure 1A
2 x 4 Treated
Framing
24"
32"
ATxxFPT-12
Figure 1C
Figure 1B
32"
24"
8"
8"
24" - Opening
for airfl ow
ATxxFPT
Figure 1C
Building Wall
Frame out additional 8" for mounting
purposes only. Seal area air-tight.
Concrete Pump-Out or
Horizontal Opening
2 x 4 Treated
Framing
32"
8"
24" - Opening
for airfl
ow
Building Wall
Frame out additional 8" for mounting
purposes only. Seal area air-tight.