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6
For Non-Vented (Recirculating) Installations
If it is not possible to vent cooking fumes and vapors to the
outside, the hood can be used in the non-vented (recirculating)
version, using a Recirculation Kit (which includes charcoal
lters and a deector). To order, see the “Assistance or Service”
section.
The ducting from this fan to the outside of the building has a
strong effect on the air ow, noise and energy use of the fan.
Use the shortest, straightest duct routing possible for best
performance, and avoid installing the fan with smaller ducts than
recommended.
Insulation around the ducts can reduce energy loss and inhibit
mold growth. Fans installed with existing ducts may not achieve
their rated airow.
*The recirculating version are neither Energy Star nor HVI certified.
Ensure duct joints and exterior penetrations are sealed with
caulk or other similar material to create an air-tight path and to
minimize building heat loss and gain and reduce the potential for
condensation.
Place/wrap insulation around duct and/or fan in order to
minimize possible condensation buildup within the duct, building
heat loss and gain.
Calculating Vent System Length
To calculate the length of the system you need, add the
equivalent feet (meters) for each vent piece used in the system.
Vent Piece 6" (15.2 cm) Round
45° elbow 2.5 ft (0.8 m)
90° elbow 5 ft (1.5 m)
Maximum equivalent vent length is 35 ft (10.7 m).
Example Vent System
The following example falls within the maximum
recommendedvent length of 35 ft (10.7 m).
1 - 90° Elbow = 5 ft (1.5 m)
1 - Wall cap = 0 ft (0 m)
8 ft (2.4 m) straight = 8 ft (2.4 m)
Length of system = 13 ft (3.9 m)
Electrical Requirements
Observe all governing codes and ordinances.
Ensure that the electrical installation is adequate and in
conformance with National Electrical Code, ANSI/NFPA 70
(latest edition), or CSA Standards C22.1-94, Canadian Electrical
Code, Part 1 and C22.2 No. 0-M91 (latest edition) and all local
codes and ordinances.
If codes permit and a separate ground wire is used, it is
recommended that a qualied electrician determine that the
ground path is adequate.
A copy of the above code standards can be obtained from:
National Fire Protection Association
1 Batterymarch Park
Quincy, MA 02169-7471
CSA International
8501 East Pleasant Valley Road
Cleveland, OH 44131-5575
■ A 120 volt, 60 Hz., AC only, 15-amp, fused electrical
circuitisrequired.
■ If the house has aluminum wiring, follow the
procedurebelow:
1. Connect a section of solid copper wire to the
pigtailleads.
2. Connect the aluminum wiring to the added section
of copper wire using special connectors and/or tools
designed and UL listed for joining copper to aluminum.
Follow the electrical connector manufacturer's
recommended procedure. Aluminum/copper connection
must conform with local codes and industry accepted wiring
practices.
■ Wire sizes and connections must conform with the rating of
the appliance as specied on the model/serial/rating plate.
The model/serial/rating plate is located behind the left lter
on the rear wall of the range hood.
■ Wire sizes must conform to the requirements of the National
Electrical Code, ANSI/NFPA 70 (latest edition), or CSA
Standards C22. 1-94, Canadian Electrical Code, Part 1 and
C22.2 No. 0-M91 (latest edition) and all local codes and
ordinances.
Non-Vented
(Recirculating)
Wall Venting
Roof Venting
C
B
A
C
B
A
C
B
A
A. Deflector
B. 6" (15.2 cm)
round vent
C Seal duct joints
with duct tape/
caulk
A. Wall cap
B. 6" (15.2 cm)
round vent
C Seal duct joints
with duct tape/
caulk
A. Roof cap
B. 6" (15.2 cm)
round vent
C Seal duct joints
with duct tape/
caulk
90 Elbo
w
6 ft (1.8 m)
2 ft
(0.6 m)
Wall cap
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