User Guide
Planning Information
Model IH4227 Cooktop Island Hood
7
Dimensions in parentheses are in
millimeters unless otherwise specified.
Ducting considerations
for the Model IH4227
cooktop island hood.
DUCTING CONSIDERATIONS
The Wolf cooktop island hood is shipped
without the blower assembly. Internal, in-line or
remote blower assemblies are available. The
remote blower will be mounted on the roof.
The cooktop island hood has an 8" (203) round
vertical discharge. The ventilation hood will
operate most efficiently when ductwork does
not exceed 40' (12 m) in length. Ducting can run
through the roof or through an eave as shown in
the illustration below.
8" (203) ROUND DUCT
8" (203) ROUND ELBOW
CHIMNEY FLUE EXTENSION
TELESCOPIC CHIMNEY FLUE
8" (203) ROUND DUCT
24" TO 30"
(610– 762)
COUNTERTOP
TO BOTTOM OF
VENTILATION HOOD
COOKTOP
ISLAND HOOD
DUCTWORK INSTALLATION
THROUGH ROOF
DUCTWORK
INSTALLATION
THROUGH
EAVE –
INTERNAL
BLOWER ONLY
8" (203) ROUND
ELBOW
EAVE VENT
9
1
/4" (235)
27"
(686)
8" (203) ROUND
VERTICAL
DISCHARGE
ROOF CAP OR REMOTE BLOWER –
TRANSITION FROM 8" (203) TO 10" (254) DUCT
REQUIRED FOR REMOTE BLOWER
IMPORTANT NOTE: All Wolf ventilation hoods
must be vented to the outside. Use only metal
ductwork.
Local building codes may require the use of
make-up air. Consult your local HVAC profes-
sional for specific requirements in your area.
IMPORTANT NOTE: Install this ventilation hood
only with a Wolf blower.









