Broan ERV90HCS, HRV90HS Installation Cont’D, Gas meter exhaust, gas barbecue grill

3.INSTALLATION (CONT’D)

3.9INSTALLING 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.

	6’’ Ø
EXHAUST HOOD	(152 MM)

INTAKE HOOD

18’’

(457 MM)

6’	18’’
(1.8 M)	(457 MM)

6’

(1.8 M)

18’’

OPTIONAL(457 MM)

DUCT LOCATION

TAPE AND DUCT TIE

VD0028

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