TYPICAL INSTALLATION
MOUNTING (New Frame Construction)
8" ROUND DUCT
y y y y
yy
ADDITIONAL
1½" FRAMING
Blower factory-shipped
in horizontal
discharge position.
GRILLE
Install after
ceiling is
finished.
Factory-shipped unit installed in new construction.
MOUNTING (Existing Frame Construction)
2 X 4 FRAMING
(wide side down)
8" ROUND DUCT
CEILING JOIST
(16" centers
shown)
y y
MOUNTING
BRACKETS
(Attached to
opposite sides
of housing &
upside-down,
so housing is
flush with
finished ceiling)
GRILLE
Factory-shipped unit installed in existing construction.
Mounting brackets
factory-shipped in
position for ½"
ceiling material.
CEILING JOIST
(16" centers shown)
MOUNTING
SCREW
GRILLE
SCREW
yyy
yyy
yyy
yyy y y
y
yyy
y
yyy
FINISHED
CEILING
MATERIAL
GRILLE
SCREW
TYPICAL INSTALLATION
WIRING
BLACK
TO
BLACK
WHITE
TO
WHITE
Ventilator can be wired from outside of housing.
Use UL approved connectors to wire per local codes.
DUCTING (Horizontal blower discharge)
ROUND
ELBOW
Two ways to connect ductwork to a factory-shipped unit.
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.
Remove shipping ring from blower inlet
Remove the shipping ring from the blower inlet before operating the
ventilator.
MODEL • L300KMG
TOP / BACK
OF HOUSING
GROUND TO
WIRING PLATE
120 VAC LINE IN
ROOF CAP
8"
ROUND
DUCT
8"
Page 2
WIRING
PLATE
WALL
CAP