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Planning Information
Plan where the duct work will be located. Install
proper-sized duct work, roof, or wall cap for the
type of blower you are using. Adjust your
measurements for various heights of ceilings,
soffits, cabinets, or ranges/rangetops.
Proper installation of ducting is extremely
important to ensure maximum performance
from any ventilation product.
• All CFMs are based on tests at 0.1 static pressure:
without applying static pressure, CFM would be
greatly overstated.
• Straight runs and gradual turns are best; for
example, each 90º elbow is equivalent to 5-10 feet
(1.52-3.05 cm) of straight run.
• Never use flexible duct; it creates back pressure/air
turbulence and greatly reduces performance.
• Proper performance is dependent on proper
ducting; make sure that a qualified and trained
installer is used.
• Check with a qualified and trained installer or local
codes for makeup air requirement, if any.
• Max. amp rating for hoods includes recommended
ventilator kit rating; all products must be hard
wired direct with 2-wire with ground.
Check Framing
NOTE: Because of the weight of the hood make sure
that the mounting screws are driven into the framing
and not just the drywall. It may be necessary to drill
additional holes in the canopy for proper alignment.
Electrical Supply
Some hoods require a locally supplied wood strip for
Run 120 VAC electrical wiring from service panel
mounting. Check installation procedure of your hood
to installation location. See specification pages
on page 34 to determine if a wood strip is required.
for the maximum amp requirements.
38
300 or 600 CFM
Roof cap
single blower
interior-power
7" round duct
typical ductwork
Duct cover or soffit
Hood
1200 CFM
Roof cap
single blower
interior power
10" round duct
typical ductwork
Duct cover or soffit
Hood
900, 1200, or
1500 CFM
Exterior blower
exterior power
10" round duct
typical ductwork
Duct cover or soffit
Hood
Wall installation
exterior power
typical ductwork
Wall cap
Duct
Duct cover or soffit
Hood
NOTE: Wall exhaust must be a minimum of 24" (61.0 cm)
from ground. This may vary depending on local codes
and geographic location.
Installation
(DCH 12"H. Classic Chimney Wall Hoods w/Standard Ventilator
and DPPV Custom Power Packs w/Standard Ventilator)
1
Check damper for unrestricted movement, adjust if
necessary.
3
Flip hood over and remove electrical box cover.
4
1
Insert 6" of electrical wiring through the top of vent
hood and secure using wiring restrain. Refer to local
codes.
39
2
Attach transition to damper. Seal with aluminum tape.
W A R N I N G
TO REDUCE THE RISK OF FIRE, ELECTRIC
SHOCK, OR INJURY TO PERSONS, OBSERVE THE
FOLLOWING
• Use this unit only in the manner intended by the
manufacturer. If you have any questions, contact
the manufacturer.
• Before servicing or cleaning unit, switch power off
at service panel and lock service panel to prevent
power from being switched on accidentally. When
the service disconnecting means cannot be locked,
securely fasten a prominent warning device, such
as a tag, to the service panel.
5
1
Slide duct over transition and tape around joint.
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