33
EN
2. Mark the middle of the window frame and the casement (see gure 2-4: Figure2
shows an open window, gure 3 a tilted window and gure 4 an open skylight).
M
B
A
M
B
A
S
M
B
S
A
M
B
A
S
3. Attach the Velcro tape to the front of the window frame (usually 1 cm wide) and to
the inside of the sash (at the height of the window handles). Fasten side A rst, then
side B, starting in the middle and then all the way to the left and right.
Note: When fastening the Velcro tape, make sure that point A is exactly opposite
point B. When closing the window take care that the seal is not jammed between the
casement and the window frame.
4. Open the zip preferably at the positions marked with “S” and insert the exhaust air
hose into the opening.
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