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P a g e | 13
web: brohn.com.au
Jigsaw
Ladder
4.3 EXHAUST WAY SELECTION
Before beginning the installation of the rangehood, the method of ducting should be
considered and selected.
NOTE: Most rangehoods can be operated in recirculation mode. For better operation
and performance, it is recommended to duct vent outside wherever possible. The guide
below illustrates the various ducting options. Below information is only a reference and the
most suitable way of ventilation shall be decided by professional installer.
DUCTING OUTSIDE MODE
Please follow the tips below on how to correctly duct your rangehood:
Always use correctly sized ducting.
Do not reduce the size of the ducting.
Always use solid ducting.
Always use non-flammable ducting.
Do not use flexible ducting.
Do not duct into the ceiling space.
Avoid sharp 90-degree bends as much as possible. Use 45-degree bends instead
wherever possible.
Duct to the outside using the shortest duct run possible.
Use cylindrical ducting whenever possible.
1. Into the ceiling cavity and then vented through your eaves
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