Page 2
MODELS
ILB9
ILB11
MOUNTING USING HANGER KIT (included)
Blower factory-shipped in straight-through
discharge position.
TYPICAL INSTALLATION
DUCTING
(Horizontal blower discharge)
Two ways to connect ductwork to a factory-shipped unit.
ROOF CAP
10” ROUND
ELBOW
10”
ROUND
DUCT
WALL
CAP
10”
ROUND
DUCT
ACCESS
PANEL
ACCESS
PANEL SCREW
GRILLE NUT
(Install into
square holes in
housing)
MOUNTING
BRACKET
HANGER
KIT NUT &
WASHER
HANGER
KIT BOLT
& WASHER
HANGER
KIT CHAIN
HANGER KIT
EYE-BOLT
TYPICAL INSTALLATION
MOUNTING
(New Frame Construction)
CEILING
JOIST
(24” cen-
ters
shown)
ACCESS
PANEL
Factory-shipped unit installed in new construction.
MOUNTING
SCREWS
ACCESS
PANEL SCREW
Ventilator factory-shipped
in straight-through
discharge position.
MOUNTING
BRACKETS
MOUNTING
(Existing Frame Construction)
Factory-shipped unit installed in existing construction.
ACCESS
PANEL
SCREW
Ventilator
factory-shipped
in straight-through
discharge position.
MOUNTING
BRACKETS
CEILING
JOIST
(24” centers
shown)
ACCESS PANEL
GRILLE NUT
(Install into square
holes in housing)
GRILLE NUT
(Install into
square
holes in hous-
ing)
IMPORTANT:
Remove shipping tape from damper
Remove the shipping tape from the damper flap and make sure that
damper flap opens and closes freely inside the ductwork. Use duct
tape to make ductwork connections secure and air-tight.
EXTENSION
SPRING
10” ROUND DUCT
(OUTLET)
8” X 12” TO
10” ROUND
TRANSITION
(FEMALE)
8” X 12” TO
10” ROUND
TRANSITION
(MALE)
10” ROUND
DUCT
(INTAKE)
10” ROUND
DUCT
(OUTLET)
10” ROUND
DUCT (INTAKE)
8” X 12” TO 10” ROUND
TRANSITION (FEMALE)
8” X 12” TO
10” ROUND
TRANSITION
(MALE)
10” ROUND
DUCT
(OUTLET)
10” ROUND
DUCT (INTAKE)
8” X 12” TO
10” ROUND
TRANSITION
(FEMALE)
8” X 12” TO
10” ROUND
TRANSITION
(MALE)
8” X 12” TO
10” ROUND
TRANSITION
(MALE)
8” X 12” TO 10” ROUND
TRANSITION (FEMALE)
