VEVOR BT-RTR25-AC1 Bedienungsanleitung Seite 8

4. The fan is inserted into the center hole and fixed to the wall with 4
screws, and then the front panel is covered on the fan;
5.Put the flange joint into the rear grille, and put the rear grille into the wall
hole from the back of the wall to complete the installation.Note that the
outer side of the grille outlet is directed downward
If the wall thickness of the fan installation is 7.67-10inch, aluminum
foil hose needs to be installed.
6.Before the fourth step, the aluminum foil hose is fitted into the fan
exhaust pipe, and then the aluminum foil tape is used to fix the aluminum
foil hose and the fan;
7.First stretch the aluminum foil hose through the wall hole, then screw the
fan to the wall, and cover it with a front cover
8.Insert the flange joint into the rear grille, then insert the other end of the
aluminum foil hose into the flange joint, and finally push the rear grille into
the wall hole, the opening direction of the rear grille should be down;
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