universalblue UBCA2000-20 Instruction Manual page 25

If the cooker hood does not have an assembled air vent, it must be
added to the cooker hood following below notes. Please, note that
following pictures only are only example and your model may be
slightly different.
To assemble the air vent, following steps must be considered:
 Mount two half-parts (2) into the body (6)
 A pin (3) should be top oriented
 The axis (4) should be inserted in the holes (5) on body;
 Repeat all the operations for the 2nd half-part
If you have an outlet, your cooker hood can be connected as below
picture using an extraction duct (enamel, aluminum, flexible pipe or
non-flammable material with an interior diameter of 150mm).
 Before installation, turn the unit off and unplug it from the
outlet.
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