Fantech AEV 1000 Nstallation, Operation And Maintenance Manual - page 7
3 Push the hood into
the opening. Attach
the hood to the
outside wall with
mounting screws.
Repeat the
installation procedure
for both the Supply
and Exhaust hood.
2 Pull the insulated
flexible duct through
the opening until it is
well extended and
straight. Slide the
duct’s inner vinyl
sleeve over the hood
collar and secure,
pull the insulation
over the duct and
then the vapour
barrier over the
sleeve and secure
with duct tape.
4 Using a caulking
gun, seal around
both hoods to pre-
vent any leaks.
1 Using the collar of
the outside hood,
outline the intake &
exhaust holes to be
cut.The holes should
be slightly larger
than the collar to
allow for the
thickness of the
insulated flexible
duct. Cut a hole
for both the intake
and exhaust hoods.
• Decide where your intake and
exhaust hoods will be located.
PRACTICAL
TIPS
INSTALLING DUCTS GOING TO / FROM OUTSIDE
A well designed and installed ducting system will allow the AEV to operate at its maximum efficiency.
Always try to keep duct runs as short and straight as possible.
See Installation Diagrams for installation examples.
INSTALLING THE DUCTING
TO THE WEATHERHOODS
The inner liner of the flexible insulated duct
must be clamped to the sleeve of the
weatherhoods (as close to the outside as
possible) and to the appropriate port on the
AEV. The insulation should remain full and
not be squished. The outer liner, which acts
as a vapor barrier must be completly sealed
to outer wall and the AEV using tape and or
caulking.
A good bead of high quality
caulking (preferably acoustical sealant) will
seal the inner flexible duct to both the AEV
port and the weatherhood prior to
clamping.
To minimize air flow restriction, the flexible
insulated duct that connects the two
outside weatherhoods to the AEV should be
stretched tightly and be as short as possible.
Twisting of folding the duct will severely
restrict air flow.
Locating the Intake
Weatherhood
• Should be located upstream
(if there are prevailing winds)
from the exhaust outlet
• At least 6’ (2m) from the
exhaust weatherhood
• At least 6’ (2m) away from
dryer vents and furnace
exhaust ( medium or high
efficiency furnaces)
• A minimum of at least 6’
(2m) from driveways, oil fill
pipers, gas meters, or
garbage containers
• At least 18” (457mm) above
the ground, or above the
depth of expected snow
accumulation
• At least 3’ (1m) from the
corner of the building
• Do not locate in a garage,
attic or crawl space
Locating the Exhaust
Weatherhood
• At least 6’ (2m) from the
ventilation air intake
• At least 18” (457mm) above
ground or above the depth of
expected snow accumulation
• At least 3’ (1m) away from
the corner of the building
• Not near a gas meter, electric
meter or a walkway where
fog or ice could create a
hazard
• Not into a garage, workshop
or other unheated space
When installing the
weatherhood, it’s outside
perimeter must be sealed with
exterior caulking.
5
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