AVG AVI-366IS – IOWA Instructions D'installation Et Guide De L'usager page 23

INSTALLING THE UNIT (continued)
Step 4:
Put the inner duct cover and the outer duct lid on the hood box.
Figure 4
Step 5:
Depending on the position of the screws on the upper support
frame, drill 4 holes (about φ 8 mm) and place the expansion
rubber in the holes. Aim the holes to the ceiling, attach the
ceiling cover with the expansible screws and tighten firmly.
Figure 5
Step 6:
Place the top support frame on the ceiling. Use 4 M4X10 screws
to attach each top bracket to the ceiling cover.
Figure 6
Step 7:
Lift the complete hood so that the bottom support frame covers
the top support frame by adjusting its height to the position you
marked. Secure with 4 M4x10 screws and tighten securely.
Figure 7
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