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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
Make sure the intake hood is at least 6 feet (1.8 m) away from the following:
• Dryer exhaust, high efficiency furnace vent, central vacuum vent
• Gas meter exhaust, gas barbecue grill
• Any exhaust from a combustion source
• Garbage bin and any other sources of contamination
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
TAPE AND DUCT TIE
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)
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