Frank OPAL 772-17 User Instructions page 15

screws/plugs or nuts, bolts and washers. If
the supplied plugs are to be used, drill 6
mm holes. Insert wall plugs D into the hol-
es. Check that the screws and plugs used
are intended for the ceiling material. Cut
out holes for connecting outlet air. Insert
and tighten screws C into the pre-drilled
holes for the keyhole attachments until
they protrude a few mm,Fig. 6 .
Check that the duct connection and electri-
cal connection can still be made once po-
wer is installed in the ceiling.
Assembly
Adjusting frame height
Fig. 5
Adjust frame height to ceiling height and
cooker hood installation height. Measure
the total ceiling height. Deduct stove
height, installation height and the chassis
dimensions; see dimensions drawing Fig. 1
.
Frame measurement = Total ceiling
height - stove height - installation height
- chassis height.
When adjusting the height of the frame, re-
move the screws, (8 pcs) Fig. 5A. Adjust
the height of the frame and lock it by
screwing in the screws again. It may be ne-
cessary to move the screws to other hole
positions.
Adjusting the length of the hose/duct
for connection to the outlet air duct
Fig. 5B
991.0379.422/D000000006851/180316/2021-10-01
Measured the frame's adjusted length. De-
duct the connection box dimensions; see
measurements drawing, Fig. 1.
Length of hose/duct = Frame measure-
ment - 235 mm.
Installing chimney drums
Fig. 6
Place the adjusted frame on the floor or on
a table that is protected with a piece of
cardboard from the packaging.
Slide the two drums onto the frame.
Fasten the outer drum to the frame using
screws E, Fig. 6A.
Ceiling installation
Lift up the frame and slot the key holes
over the four screws D Fig. 6, installed in
the ceiling/extension section.
Position the frame and tighten the screws.
Lock in place using the fifth screw, H Fig. 6.
Attention!
Turn the frame so that the arrow is on
the same side as the front of the cooker
hood.
Frame installation
Remove grease filter Fig. 15.
Adapt the length of the connection hose/
duct according to frame height, the ceiling
connection and the height of the connec-
tion box (235 mm).
Fit the connection hose/duct to the cooker
hood's outlet air collar.
15