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3. INSTALLATION (CONT’D)
3.9 INSTALLING 2 EXTERIOR HOODS
Choose an appropriate location to install the exterior hoods:
• There must be a minimum distance of 6 feet (1.8 m) between the hoods to avoid cross-contamination
• There must be a minimum distance of 18 inches (457 mm) from the ground
Refer to figure below for connecting insulated ducts to the exterior hoods. An “Anti-gust intake hood” should be installed in regions where
a lot of snow is expected to fall.
VD0028
OPTIONAL
DUCT LOCATION
EXHAUST HOOD
INTAKE HOOD
18”
(457 MM)
18” (457 MM)
6” Ø
(152 MM)
18”
(457 MM)
6’
(1.8 M)
6’
(1.8 M)
- 16 -
WARNING
Make sure the intake hood is at least 6 feet (1.8 m) away (or more, as per applicable building codes or standards)
from sources of contamination such as:
• High efficiency furnace vent
• Any exhaust from a combustion source
• Gas meter exhaust, gas barbecue-grill
• Garbage bin
!
TAPE AND DUCT TIE