Outdoor construction
1.Fillthewallhole.
Fill in any gaps between the air supply/exhaust
pipesandthewallholeswithoff-the-shelf
caulking.
Note
- Any spaces left unlled will allow rainwater
to enter.
Air supply/exhaust pipes
Caulking
2. Installing the weather covers
1)Inserttheweathercovermountingplatesinto
the air supply/exhaust pipes.
2)Tightentheangenuts.(Besurethat
theUPPERmarksontheweathercover
mounting plates are at the top.)
3) Attach the weather covers with the mounting
screws.
Note
- The weather covers are blocked in one area
to ensure that the air supply and exhaust do
not mix. Mount the blocked parts on both
the air supply and exhaust sides so that
they are on the left, as shown above.
- If the weather covers shift, check that the
air supply/exhaust pipes are cut to the
correct dimensions. (Pushing the pipes too
hard into the wall may cause the pipes to
shift or prevent the shutter from operating
properly.)
- Weather cover mounting plate have two
holes (φ5 mm) in them. Use these holes to
secure the anges to the wall.
Weather
cover
Flange nut
Screwforsecuring
weather cover
“Cap” area
U
P
P
E
R
U
P
P
E
R
U
P
P
E
R
Air supply/exhaust
pipe
Weather cover
mounting plate
3.Preventinginltrationofrainwater
Caulkaroundtheentireperimeteroftheweather
covers.
Caulking
Weather covers