Handleiding
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9
Install Ductwork (Ducted Installations Only)
NOTE: Distances over 30” are at the installer and user discretion.
1. Determine whether hood will discharge vertically (3¼" x 10" or 3¼" x 14" or 7"
round), or horizontally (3¼" x 10" or 3¼" x 14").
Note : 3¼"x14" discharge option only available for ALT4 model.
2. Decide where the ductwork will run between the hood and the outdoors.
3. The ducting from this fan to the outside of the building has a strong effect on the air
flow, 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 airflow. Refer to
the table below to help you plan the most efficient installation.
4. Install wall cap or roof cap (sold separately). Connect metal ductwork to cap and work
back towards the hood location. Use 2” metal foil duct tape to seal the joints between
ductwork sections.
For GLA3, MTR3, ALT3 Series
Maximum duct lengths recommended
to achieve 80% exhaust efficiency
3¼” X10”
HORIZONTAL
MAXIMUM DUCT
LENGTH
3¼” X10”
VERTICAL
MAXIMUM DUCT
LENGTH
7" ROUND
MAXIMUM
DUCT LENGTH
ROOF OR
WALL CAP
WITH DAMPER
ELBOW(S)*
(90° AND/OR 45°)
73 ft.
67 ft.
83 ft.
1
0
64 ft.
59 ft.
68 ft.
1
1
56 ft.
50 ft.
54 ft.
1
2
* Standard elbows with 1” internal radius
NOTE: 6" round ducting is possible but may reduce exhaust efficiency.
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Productinformatie
| Merk | Broan |
| Model | ALT4306SS |
| Categorie | Afzuigkap |
| Taal | Nederlands |
| Grootte | 9844 MB |
