Ancona AN-1419 User Manual

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Installation

IMPORTANT:

•

A minimum of 6 in. (15.3 cm) round or 3-1/4 × 10 in. (8.3

cm × 25.4 cm) rectangular duct must be used to maintain

maximum airflow efficiency.

• Alwaysuserigidtypemetal/aluminumductsifavailableto

maximizeairflowwhenconnectingtoprovidedduct.

• PleaseuseDuctRunCalculationbelowtocompute

total available duct run when using elbows, transitions

and caps.

• ALWAYS,whenpossible,reducethenumberor

transitions and turns. If long duct run is required,

increaseductsizefrom6in.(15.3cm)to7in.(17.7

cm) or 8 in. (20.3 cm). If a reducer is used, install a

long reducer instead of a pancake reducer. Reducing

ductsizewillrestrictairflowanddecreaseairflow,thus

reduceductsizeasfarawayfromopeningaspossible.

• Ifturnsortransitionsarerequired,installasfaraway

from opening and as far apart, between two (2), as

possible.

• Minimummountheightbetweenstovetoptohood

bottom should be no less than 24-inch (61 cm) for

electric cook tops and minimum of 30-inch (76.2 cm)

for gas stove tops and no higher than 30-inch (76.2 cm)

for electric cook tops.

• Itisimportanttoinstallthehoodattheproper

mounting height. Hoods mounted too low could

resultinheatdamageandfirehazard;whilehoods

mounted too high may be hard to reach and will lose its

performance and efficiency.

• Ifavailable,alsorefertostovetopmanufacturer’s

height clearance requirements and recommended

hood mounting height above range.

• This range hood is factory set for venting through the roof or wall.

• Ventworkcanterminateeitherthroughtherooforwall.Toventthroughawall,a90°elbowisneeded.

IMPORTANT:

• NEVER exhaust air or terminate duct work into spaces between walls, crawl spaces, ceiling, attics or

garages. All exhaust must be ducted to the outside.

• Use metal/aluminum duct work only.

• Fasten all connections with sheet metal screws and tape all joints with certied Silver Tape or Duct Tape.

• Use caulking to seal exterior wall or roof opening around the cap.

TOP VENTING ROOF EXHAUST TOP VENTING WALL EXHAUST

Roof cap Side wall cap

Duct Run

Calculation

example:

One roof cap, two

90º elbows, and

one 45º elbow use.

0ft + 9ft + 9ft + 5ft

= 23ft used.

Deduct 23ft from

30ft, 7ft maximum

available for

straight duct run.

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Ancona AN-1419 Noturna IG 36 in. Island Glass Range Hood in Stainless Steel

User Manual - Page 11