Broan ERV90HCT, HRV90HT installation instructions Installation Cont’D, High efficiency furnace vent

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

!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

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.

EXHAUST HOOD

18”

(457 MM)

6” Ø

(152 MM)

INTAKE HOOD

6’	18”
(1.8 M)	(457 MM)

6’

(1.8 M)

OPTIONAL 18” (457 MM)

DUCT LOCATION

TAPE AND DUCT TIE

VD0028

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