Dimensional Diagrams
Cut-Out
24” - 30”
91/2”
Front 
View
Make your ductrun as straight and short as possible. The ductrun should not exceed 35 equivalent feet if ducted with the required minimum of 6” round duct. Count 45º angles
Recirculating Installations
For installations where ductwork to the outside of your home is impossible or highly impractical Charcoal Filters, which attach to the blower assembly, absorb smoke and odors.
as 3 feet, 90º elbows as 5 feet, and 90º flat elbows as 12 feet.
For best results, use no more than three 90° elbows. Make sure that there is a minimum of 24” of straight duct between elbows if more than one is used. Do not install two elbows together. If you must elbow right away, do it as far away from the hood’s exhaust opening as possible.
For more efficient airflow when venting to the rear: Rotate the Cristal HC blower housing so that the 6” round exhaust outlet faces the back, rather than running ductwork up and elbowing back.
cabinet
ceiling
vent grate
6” round
duct
hood
soffit
cabinet
6” round
duct
hood
ceiling
vent grate
Some ductwork must be installed to exhaust the rangehood back into the kitchen, either at the top of the cabinet or at the face of the soffit. Use a plastic vent grate to cover the duct opening. This duct work must not terminate into a dead air space.
WARNING! Product specifications are subject to change without notification. Consult the installation instructions before you begin installing this rangehood.
