User manual

3. INSTALL THE UNIT (CONT’D)
3.7 EXTERIOR OPENING(S) INSTALLATION (CONT’D)
CAUTION
Make sure the insulated ductwork vapor barrier does not tear during
installation.
3.7.3 CONNECTING INSULATED DUCTS TO TWO EXTERIOR HOODS
16
1. For each exterior hood, using a jig saw, cut a 6’’ diameter hole in the exterior
wall. Run each flexible duct through its respective hole in the wall.
CAUTION
The exterior backplate must be installed with the word “TOP” pointing
upward.
VD0096
3. Attach the exterior backplate to the
exterior wall. Using four provided
screws, fix it to the wall. Seal the
backplate with caulking, as shown
beside.
4. Snap each assembled exterior hood on its respective backplate location and
secure each of them with their 2 provided screws.
VD0087
SCREW
A
B
VD0095
2. For each exterior hood, pull back
the insulation to expose the flexible
duct and, using a tie wrap, attach
it to the inner ring of the exterior
backplate. Carefully seal with duct
tape (A). Pull the insulation over the
joint. Pull the vapor barrier over the
insulation and over the outer ring of
the exterior backplate. Gently apply
duct tape to the joint making an
airtight seal (B).
VD0097
SCREW