EN
70
3.
Screw the wall bracket in place and check that it is secure (figure 1).
4.
Drill a hole with a 70 mm diameter for a pipe lead through to the left or right of the fan. The
hole shall have a brief descent toward the outdoor side (figures 2 and 3).
5.
Check which regulations apply to pipe lead throughs on external walls. If a lead through
casing is needed, see figure 4.
Wall
Drill from the outside
3
Wall
Electric drill
Hole saw
Indoors
Outdoors
Brief descent
2
Wall
Wall bracket
Cover plate
Lead through casing
Cut off
4