Broan BEST KEX42 Mode D'emploi page 5

EXTERIOR BLOWER SELECTION
CAUTION: To reduce the risk of fire and electric shock, install this rangehood only
with EB6, EB9, EB12 or EB15 Exterior Blowers.
The exterior ventilator must be UL listed for Canadian and U.S. use, and evaluated
for use with solid state speed control rated 120V, 60 Hz, 6.0 A max.
INSTALL THE DUCTWORK
NOTE: To reduce the risk of fire, use only
metal ductwork.
1. Decide where the ductwork will run
between the hood and the outside.
2. A straight, short duct run will allow the hood
to perform most efficiently.
3. Long duct runs, elbows, and transitions will
reduce the performance of the hood. Use
as few of them as possible. Larger ducting
may be required for best performance with
longer duct runs.
4. Install exterior blower. Connect round metal
ductwork to exterior blower and work back
towards hood location. Use duct tape to
seal the joints between ductwork sections.
5. An 8" round to 10" round duct adapter
(Model 414) is required. Install adapter as
close to hood as possible.
INSTALL MOUNTING
BRACKETS
1. Construct wood wall framing that is flush
with interior surface of wall studs.
Make sure:
a) the framing is centered over installation
location.
b) the height of the framing will allow the
mounting brackets to be secured to
the framing within the dimensions
shown.
2. After wall surface is finished, secure
mounting brackets to framing using
dimensions shown.
10" ROUND
8" ROUND
DUCT
DECORATIVE
FLUE
HOOD
24" TO 30" ABOVE
COOKING SURFACE
FRAMING BEHIND DRYWALL
39 / "= bottom of hood 24" above
1
16
cooktop
45 / "= bottom of hood 30" above
1
16
cooktop
- 5 -
EXTERIOR
DUCT BLOWER
8" TO 10"
ROUND
ADAPTER
EXTERIOR
BLOWER
10"
ROUND
DUCT
8" ROUND
ELBOW